Radar › Companies › Infectious Diseases · San Francisco
Radar · Infectious Diseases in San Francisco

Best Infectious Diseases Companies in San Francisco, United States

The 53 best Infectious Diseases companies in San Francisco, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Brii Biosciences.

53companies tracked
$2.2Bdisclosed funding
0unicorns
36have raised
FLIAR INTELLIGENCE · INFECTIOUS DISEASES × SAN FRANCISCO

Our analysis of 50 Infectious Diseases companies

$7.1b in tracked funding; 59% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

50companies analysed
59%cloud-native stacks
2025funding peak (by rounds)
1unicorns
2014median founding year
143kcombined LinkedIn audience
48%of audience held by top 3
1companies hiring publicly (12 mo)

Ranked: Best Infectious Diseases companies in San Francisco

#CompanyDisclosed fundingLast roundEmployeesFounderStagePatents & IP focusRecent signals
1Brii Biosciences
Developer of biologics to treat hepatitis B infection
$515M58 mo ago68
68 → 83 (+22%) · sector median +39%
Zhi Hong
Co-Founder & CEO
Public106 patents
Antiviral nucleoside analogs/capsid inhibitors and neurosteroid-based CNS therapeutics
—
2Bluejay Therapeutics
Developer of therapeutics for the treatment of infectious diseases
$243M26 mo ago3Keting Chu
Founder
Acquired——
3Aligos Therapeutics
Developer of therapies to treat hepatologic diseases and viral infections
50Patents top 12%Innovation top 16%Funding top 26%Moat top 35%
All 12 signals ▾
Patentstop 12%
Innovationtop 16%
Fundingtop 26%
Moattop 35%
Partnerstop 40%
Techtop 42%
Talenttop 45%
Globaltop 46%
Newstop 47%
Marketbottom 46%
Growthbottom 32%
Fin. healthbottom 25%
Patents: 503 patents matched (strict assignee match) · 389 filings since 2022 vs 114 in 2017-21
Innovation: 503 patents (top 5% of patent-holders) · 389 filings since 2022 vs 114 in 2017-21
rank vs industry peers · Fliar Intelligence Index 50/100
$225M17 mo ago70
70 → 99 (+41%) · sector median +39%
Lawrence Blatt
CEO
Public503 patents
RNA interference therapeutics and PD‑L1 immuno‑oncology using heterocyclic siRNA delivery compounds
—
4Vir Biotechnology
Developer of therapeutics for the treatment of infectious diseases
$216M74 mo ago417
417 → 471 (+13%) · sector median +39%
Klaus Frueh
Co-Founder
Public423 patents
Broadly neutralizing antiviral antibodies and combination therapies for hepatitis B and respiratory viruses
—
5CytoVale
Microfluidic-based biomarkers for the early detection of sepsis
60Funding top 19%Product top 21%Patents top 26%Innovation top 32%
All 10 signals ▾
Fundingtop 19%
Producttop 21%
Patentstop 26%
Innovationtop 32%
Moattop 32%
Techtop 38%
Growthtop 47%
Marketbottom 42%
Globalbottom 42%
Newsbottom 21%
Funding: Raised $207M across 14 rounds · 14 rounds over 13 yrs (1.1/yr)
Product: 4 distinct product lines · Company stage: Series D
rank vs industry peers · Fliar Intelligence Index 60/100
$207M21 mo ago58
58 → 120 (+107%) · sector median +39%
—Series D38 patents
Point-of-care diagnostic platforms for immune activity and sepsis monitoring
—
6Inflammatix
Provider of diagnostic solutions for systemic infections
74Funding top 17%Patents top 22%Growth top 26%Innovation top 27%
All 10 signals ▾
Fundingtop 17%
Patentstop 22%
Growthtop 26%
Innovationtop 27%
Moattop 28%
Talenttop 35%
Techtop 43%
Marketbottom 45%
Globalbottom 42%
Newsbottom 18%
Funding: Raised $191M across 11 rounds · 11 rounds over 9 yrs (1.2/yr)
Patents: 52 patents matched (strict assignee match) · 36 filings since 2022 vs 16 in 2017-21
rank vs industry peers · Fliar Intelligence Index 74/100
$191M22 mo ago54
54 → 75 (+39%) · sector median +39%
Jonathan Romanowsky
Co-Founder and Chief Business Officer
Series E52 patents
Patents concentrated in chemistry & materials
1 launch · 2 partnerships
7Achaogen
Developer of antibiotics to treat multi-drug resistant bacterial infections
$101M110 mo ago42—Public230 patents
Patents concentrated in chemistry & materials
—
8Presidio Pharmaceuticals
Developer of small-molecule antiviral therapeutics
$92M145 mo ago12Omar Haffar
Co-Founder
Series C177 patents
Patents concentrated in chemistry & materials
—
9Rigel
Developer of drugs for hematologic disorders, cancer, and rare immune disease
$76M65 mo ago147
147 → 292 (+99%) · sector median +39%
Raul Rodriguez
President and CEO
Public6 patents
Patents concentrated in computing, sensing & instrumentation
3 partnerships
10Vaxart
Developer of therapeutic solutions for treating multiple infectious diseases
$58M138 mo ago110
110 → 108 (-2%) · sector median +39%
Steve Lo
Chief Executive Officer
Public104 patents
Patents concentrated in health & consumer products
—
11Epiphany Biosciences
Trusted online lottery and *toto* platform with complete markets
$36M111 mo ago2—Deadpooled——
12Prosetta Biosciences
Developer of antiviral and other therapeutics using proprietary drug discovery platform
$35M128 mo ago14
14 → 23 (+64%) · sector median +39%
Vishwanath Lingappa
CEO and CTO
Series D——
13Delve Bio
Developer of sequencing platform to detect neuro-infectious pathogens
$35M37 mo ago2Bradley Murray
Founder & CEO
Series A——
14KAINOMYX
Developer of therapeutic solutions for treating malaria and other parasitic diseases
$16M22 mo ago9—Seed——
15Lighthouse Pharma
Developer of therapeutics for neurology and infectious diseases
11Funding top 46%Talent bottom 49%Tech bottom 45%Global bottom 25%
All 5 signals ▾
Fundingtop 46%
Talentbottom 49%
Techbottom 45%
Globalbottom 25%
Marketbottom 18%
Funding: Raised $15.2M across 1 rounds · 1 rounds over 1 yrs (1.0/yr)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
rank vs industry peers · Fliar Intelligence Index 11/100
$15M3 mo ago4Casey Lynch
Chief Executive Officer
Series A—1 job opening
16Phylagen
Provider of genome sequencing technology for microbial analysis
$14M89 mo ago44Peter Karlen
CEO & Board of Directors
Deadpooled10 patents
Patents concentrated in computing, sensing & instrumentation
—
17Specific Technologies
Detection and antibiotic susceptibility testing for blood infection
$12M77 mo ago68Paul Rhodes
Co-Founder & CEO
Acquired4 patents
Patents concentrated in chemistry & materials
—
18Jaguar Health
Developing gastrointestinal products for human prescription use and animals
50Product top 14%Funding top 24%Innovation top 34%Growth top 43%
All 11 signals ▾
Producttop 14%
Fundingtop 24%
Innovationtop 34%
Growthtop 43%
Talentbottom 49%
Marketbottom 48%
Fin. healthbottom 48%
Moatbottom 45%
Newsbottom 41%
Techbottom 33%
Globalbottom 32%
Product: 4 distinct product lines · Company stage: Public
Funding: Raised $11.6M across 28 rounds · 28 rounds over 12 yrs (2.3/yr)
rank vs industry peers · Fliar Intelligence Index 50/100
$12M6 mo ago46
46 → 35 (-24%) · sector median +39%
Lisa Conte
Founder & CEO
Public—1 launch · 1 partnership
19Trellis Bioscience
Human antibodies against infectious diseases and cancer
$10M15 mo ago6Stefan Ryser
President & CEO
Series C170 patents
Antibody-based therapeutics and vaccines targeting RSV and influenza viral proteins.
—
20Centivax
Provider of drug discovery services
55Growth top 25%News top 28%Funding top 32%Patents top 32%
All 9 signals ▾
Growthtop 25%
Newstop 28%
Fundingtop 32%
Patentstop 32%
Innovationtop 40%
Moattop 47%
Globalbottom 40%
Techbottom 39%
Marketbottom 29%
Growth: Fresh capital in last 24 mo
News: 5 BI events in 12 mo (of 5 tracked, 2 types) · 4 high-value events (IPO/M&A/funding/contracts) in 12 mo
rank vs industry peers · Fliar Intelligence Index 55/100
$10M3 mo ago19—Series A39 patents
Peptide-derived therapeutic antibodies and low-dose vaccine formulations targeting viral antigens
—
21Senzo
Developer of point-of-care diagnostic device for the detection of infectious diseases
$10M33 mo ago13—Seed——
22Granza Bio
Developer of therapeutics for the treatment of cancer
$8M24 mo ago—Ashwin Nandakumar
Co-Founder & CEO
Seed—1 award
23Ascella Biosystems
Developer of diagnostic device for the detection of infectious diseases
$6M31 mo ago6Deepak Boggavarapu
Co-Founder
Series A——
24EpiBiome
Developer of small-molecule antibiotics for use in agriculture and human health
$6M109 mo ago14—Acquired7 patents
Patents concentrated in health & consumer products
—
25Gemmus Pharma
Develops therapeutics for influenza
$5M145 mo ago6Daryl Faulds
Co-Founder & CEO
Deadpooled——
26CellScope
In-ear visibility using mobile device for at-home diagnosis
$5M152 mo ago12—Series A3 patents
Patents concentrated in health & consumer products
—
27Flow Pharma
Developer of immunotherapy platform for infectious disease prevention and cancer therapy
$4M23 mo ago18Reid Rubsamen
Founder & CEO
Seed——
28Wave 80 Biosciences
Instruments and consumables for infectious diseases
$3M170 mo ago—Dan Laser
CEO & Founder
Funding Raised——
29MicroQuin
Developer of therapies for treating multiple diseases
$2M14 mo ago4Scott Robinson
Founder
Funding Raised13 patents
Peptide-based anticancer therapeutics and substituted chalcone small‑molecule drugs
—
30BioSynesis
Developer of biofilm-specific therapeutics for the treatment of infectious diseases
$1M47 mo ago—Clarissa Nobile
Founder & CEO
Funding Raised——
31Advanced Genetic Systems
Developer of Ribonucleoprotein complex based antiviral therapeutics for HIV treatment
$848K210 mo ago—Alan Frankel
Founder
Deadpooled——
32EnGen Bio
Developer of vaccines for influenza disease
$817K63 mo ago6Mark Alfenito
CEO & President
Seed——
33Encentrio Therapeutics
Developer of therapeutics to treat multiple diseases
$400K39 mo ago—Natascha Schill
CEO
Seed——
34CASPR Biotech
Developer of Cas-based diagnostics platform
$400K72 mo ago20Franco Goytia
Co-Founder & CEO
Seed——
35mFluiDx
Point-of-care molecular diagnostics enabling rapid, low-cost DNA/RNA testing
$250K97 mo ago3—Seed2 patents
Patents concentrated in computing, sensing & instrumentation
—
36TheraBiol
Antibodies to treat viral infections.
$150K165 mo ago—Girish Vyas
Founder & CEO
Deadpooled6 patents
Patents concentrated in chemistry & materials
—
37One Codex
Microbiome sequencing and analysis platform for accelerating research and discovery
$120K144 mo ago16—Seed——

Top 12 Infectious Diseases companies in San Francisco

#1
Series A · San Francisco, California · founded 2019 · 4 employees
$15.2Mraised
▾

Developer of therapeutics for neurology and infectious diseases. It offers a pipeline of drug candidates which include LHP588, is a next-generation gingipain inhibitor for gingivalis infection which causes Alzheimer's disease, Parkinson's disease, and oral dyslapsia. It also offers LHP852 for gingivalis infection and LHP803 for coronavirus infection.

Fliar Intelligence Index™ 11how this company ranks against its industry peers
Funding
top 46%
Talent
bottom 49%
Tech
bottom 45%
Global
bottom 25%
Market
bottom 18%
Funding: Raised $15.2M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series A (Apr 2026)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Tech: 13 technologies across 4/8 capability areas · Cloud: Google Cloud, Google Cloud Cdn · Observability: Sentry
Audience (LinkedIn): 705 LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: CTA/Sr. CTA
Activity (LinkedIn): 1 partnerships · 1 expansions (incl. Lighthouse Pharmaceuticals, Inc.) announced in 12 mo
Funding rounds
  • Apr 2026Series A$15.2M
Founders & team
Casey LynchChief Executive Officer
Investors
Double Point Ventures
Tech stack
BootstrapGoogle CloudGoogle Cloud CdnGsapHstsHttp/3
#2
Series A · San Francisco, California · founded 2019 · 19 employees
$10Mraised
▾

Provider of drug discovery services

Fliar Intelligence Index™ 55how this company ranks against its industry peers
Growth
top 25%
News
top 28%
Funding
top 32%
Patents
top 32%
Innovation
top 40%
Moat
top 47%
Growth: Fresh capital in last 24 mo
News: 5 BI events in 12 mo (of 5 tracked, 2 types) · 4 high-value events (IPO/M&A/funding/contracts) in 12 mo · Top themes: Funding, Capital raise
Funding: Raised $10.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) · Last round Series A (Mar 2026)
Funding rounds
  • Mar 2026Series A$37M
  • Jul 2025Series A$45M
  • Jul 2025Grant (prize money)$24M
  • Nov 2022Seed$10M
Investors
NFX, Global Health Investment, HHS, Future Ventures, Bold Capital Partners, Kendall Capital Partners
Tech stack
AngularCart FunctionalityCore-JsGoogle WorkspaceHstsModernizr
#3
Public · San Francisco, California · founded 2013 · 46 employees
$11.6Mraised
▾

Jaguar Health is engaged in developing novel, sustainably derived gastrointestinal products for humans and animals. The company focuses on developing and commercializing proprietary human gastrointestinal pharmaceuticals for the global marketplace from plants used traditionally in rainforest areas. Canalevia is the company's lead animal prescription drug product candidate intended for the treatment of various forms of diarrhea in dogs and Equilevia is Jaguar's non-prescription product for total gut health in equine athletes.

Fliar Intelligence Index™ 50how this company ranks against its industry peers
Product
top 14%
Funding
top 24%
Innovation
top 34%
Growth
top 43%
Talent
bottom 49%
Market
bottom 48%
Product: 4 distinct product lines · Company stage: Public
Funding: Raised $11.6M across 28 rounds · 28 rounds over 12 yrs (2.3/yr) · Last round Grant (prize money) (Jan 2026)
Innovation: 4 product lines
Audience (LinkedIn): 5k LinkedIn followers — 3.4% of this cohort's audience
Activity (LinkedIn): 1 product launches · 1 partnerships (incl. Japan Health and Filament Health) announced in 12 mo
Funding rounds
  • Jan 2026Grant (prize money)$240K
  • Sep 2025Post IPO$2.4M
  • Feb 2023Post IPO—
  • Jul 2022Post IPO$300K
Founders & team
Lisa ConteFounder & CEO
Investors
Sagard Holdings, Hercules Capital, Napo Pharma, FDA
Tech stack
WordpressMysqlPhpBootstrapYoast SeoNginx
#4
Public · San Francisco, California · founded 2018 · 70 employees
$225Mraised
▾

Aligos Therapeutics has developed small molecule-based therapeutics for the treatment of hepatologic diseases and viral infections. The drugs target viral nucleic acids, encoded proteins, oncogenes, and resultant proteins for the treatment. It has developed drugs to treat chronic hepatitis B, nonalcoholic steatohepatitis, and hepatocellular carcinoma.

Fliar Intelligence Index™ 50how this company ranks against its industry peers
Patents
top 12%
Innovation
top 16%
Funding
top 26%
Moat
top 35%
Partners
top 40%
Tech
top 42%
Patents: 503 patents matched (strict assignee match) · 389 filings since 2022 vs 114 in 2017-21 · Latest publication 2026
Innovation: 503 patents (top 5% of patent-holders) · 389 filings since 2022 vs 114 in 2017-21
Funding: Raised $225M across 4 rounds · 4 rounds over 8 yrs (0.5/yr) · Last round Post IPO (Feb 2025)
Audience (LinkedIn): 7k LinkedIn followers — 5.2% of this cohort's audience
Funding rounds
  • Feb 2025Post IPO$105M
  • Oct 2023Post IPO$92.2M
  • Jan 2020Series B$125M
  • 2018Series A$100M
Founders & team
Lawrence BlattCEOMargarita ChavezBoard Member
Investors
Wellington, Boxer Capital, Logos, Vivo Capital, Novo Holdings, Roche
Tech stack
Acquia Cloud PlatformAcquia Cloud Site FactoryAdobe AnalyticsAdobe Experience Platform Identity ServiceAdobe Experience Platform LaunchAkamai
#5
Series D · San Francisco, California · founded 2013 · 58 employees
$206.8Mraised
▾

CytoVale is focussed on developing biomarkers for the early detection of sepsis, an infectious reaction that can lead to lung, kidney and liver failure. Its technology is based on the mechanical properties of individual cells (mechanomics). The instrument uses microfluidics to route and physically probe individual cells and claims to have the capacity to measure over 10 biophysical cell markers at rates above 2k cells per second, providing a high-throughput detection of the disease.

Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 19%
Product
top 21%
Patents
top 26%
Innovation
top 32%
Moat
top 32%
Tech
top 38%
Funding: Raised $207M across 14 rounds · 14 rounds over 13 yrs (1.1/yr) · Last round Series D (Oct 2024)
Product: 4 distinct product lines · Company stage: Series D
Patents: 38 patents matched (strict assignee match) · 30 filings since 2022 vs 8 in 2017-21 · Latest publication 2026
Audience (LinkedIn): 16k LinkedIn followers — 11.2% of this cohort's audience
Funding rounds
  • Oct 2024Series D$100M
  • Nov 2023Series C$84M
  • Feb 2022Grant (prize money)$9M
  • Jan 2021Conventional Debt$8M
Investors
Breakout Labs, Sands Capital, CPP Investments, Medical Countermeasures, Western Technology Investment, Breakout Ventures
Tech stack
AutoptimizeCdnjsCloudflareCloudflare Bot ManagementComplianzCore-Js
#6
Series E · San Francisco, California · founded 2016 · 54 employees
$191.5Mraised
▾

Provider of diagnostic solutions for systemic infections. Its proprietary technology, based on research from Stanford University, measures gene expression patterns related to the immune system to diagnose sepsis. It provides products such as InSep for acute infection and sepsis tests, ViraBac for acute infection tests, SARC-CoV-2 swabs, etc.

Fliar Intelligence Index™ 74how this company ranks against its industry peers
Funding
top 17%
Patents
top 22%
Growth
top 26%
Innovation
top 27%
Moat
top 28%
Talent
top 35%
Funding: Raised $191M across 11 rounds · 11 rounds over 9 yrs (1.2/yr) · Last round Series E (Sep 2024)
Patents: 52 patents matched (strict assignee match) · 36 filings since 2022 vs 16 in 2017-21 · Latest publication 2026
Growth: Headcount 30 → 54 (+80%) across vintages · Fresh capital in last 24 mo
Audience (LinkedIn): 10k LinkedIn followers — 6.9% of this cohort's audience
Activity (LinkedIn): 1 product launches · 2 partnerships (incl. University of Nebraska Medical Center and the National Quarantine Unit) announced in 12 mo
Funding rounds
  • Sep 2024Series E$57M
  • Jul 2023Grant (prize money)$299.8K
  • Nov 2021Grant (prize money)$12.1M
  • Nov 2021Grant (prize money)$1.7M
Founders & team
Jonathan RomanowskyCo-Founder and Chief Business Officer
Investors
GSVP, Khosla Ventures, Think.Health, Northpond Ventures, StartX, DARPA
Tech stack
BootstrapBricksCloudflareCloudflare Bot ManagementContact Form 7Core-Js
#7
Series C · San Francisco, California · founded 1998 · 6 employees
$10.2Mraised
▾

Trellis Bioscience is a biotech company that develops human antibodies against infectious diseases and cancer. The company's technology platform, CellSpot, identifies B-cells that produce desirable human antibodies for therapeutic use. The company licensed a pre-IND stage anti-RSV mAb to MedImmune in 2009 and licensed its influenza A and B program to ContraFect in 2014. The company's current lead program is focused on pandemic influenza. The company also has discovered antibodies against following immuno-oncology targets: TIM-3 (T-cell immunoglobulin and mucin domain 3), LAG-3 (Lymphocyte-activation gene 3), KIR (Killer cell immunoglobulin-like receptors), CEACAM (Carcino-Ebryonic Antigen) and B7-H3.

Funding rounds
  • Apr 2025Grant (prize money)$297.9K
  • Sep 2020Grant (prize money)$3M
  • Jan 2020Grant (prize money)$3.2M
  • Feb 2016Grant (prize money)$5.8M
Founders & team
Stefan RyserPresident & CEO
Investors
Pac-Link, Easton Capital Investment Group, Morgenthaler, Novartis Venture Fund, CARB-X, HHS
#8
Acquired · San Francisco, California · founded 2019 · 3 employees
$243Mraised
▾

Developer of therapeutics for the treatment of infectious diseases. The company's lead candidate drug is BJT-778, a human anti-HBsAg monoclonal antibody for the restoration of adaptive immunity. Another drug candidate is BJT-754, a small molecule HBsAg inhibitor an oral small molecule drug for HBV infection.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 5k LinkedIn followers — 3.2% of this cohort's audience
Funding rounds
  • May 2024Series C$182M
  • Aug 2022Series B$41M
  • 2020Series A$20M
Founders & team
Keting ChuFounder
Investors
HBM Healthcare Investments, Arkin Holdings, Octagon Capital Advisors, RiverVest Venture Partners, Novo Holdings, Wellington
#9
Seed · San Francisco, California · founded 2019 · 9 employees
$15.6Mraised
▾

Developer of therapeutic solutions for treating malaria and other parasitic diseases

LinkedIn Pulse recent public activity · Jul 2026
Audience: 706 LinkedIn followers
Funding rounds
  • Sep 2024Grant (prize money)$175K
  • Oct 2021Angel$6M
  • Sep 2021Grant (prize money)$2M
  • May 2020Angel$7.5M
Investors
United States Department of Agriculture, IISD
#10
Funding Raised · San Francisco, California · founded 2016 · 4 employees
$1.7Mraised
▾

Developer of therapies for treating multiple diseases. The company has developed targeted therapeutics to modulate TMBIM6 an intracellular transmembrane protein. The company has developed a drug pipeline for Oncology, infectious diseases, and Parkinson's disease.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 487 LinkedIn followers
Activity: 1 partnerships (incl. Eli Lilly and Company's TuneLab) announced in 12 mo
Funding rounds
  • Apr 2025Grant (prize money)$299.2K
  • Sep 2023Grant (prize money)$999.3K
  • Jun 2023Grant (prize money)$348.9K
  • Jul 2022Grant (prize money)$97.3K
Founders & team
Scott RobinsonFounder
Investors
MassChallenge, Military Health
Tech stack
WixReactGoogle CloudPolyfillLodashSectigo
#11
Public · San Francisco, California · founded 2018 · 68 employees
$515Mraised
▾

Developer of biologics to treat hepatitis B infection. It has clinical programs focused on hepatitis B virus (HBV) infection and immunotherapeutics to treat infectious diseases. It has licensed rights to develop a recombinant protein-based immunotherapeutic (VBI-2601) from VBI Vaccines in China. It is also developing VIR-2218, an investigational RNA interference (RNAi) therapeutics to treat hepatitis B infection (licensed from Vir Biotechnology).

LinkedIn Pulse recent public activity · Jul 2026
Audience: 9k LinkedIn followers — 6.1% of this cohort's audience
Activity: 1 partnerships (incl. Bii Biosciences) announced in 12 mo
Funding rounds
  • Sep 2021Post IPO$100M
  • Mar 2021Series D$155M
  • May 2018Series D$260M
Founders & team
Zhi HongCo-Founder & CEO
Investors
Invesco, Lake Bleu Capital, GIC, Yunfeng Capital, Arch Venture Partners, 6 Dimensions Capital
Tech stack
Animate.CssAnime.JsAosApple Icloud MailBootstrapGodaddy
#12
Seed · San Francisco, California · founded 2002 · 18 employees
$3.8Mraised
▾

Developer of immunotherapy platform for infectious disease prevention and cancer therapy. It offers T-cell therapy platform for development of therapeutics which include FLOVID-20 for covid, FlowVAx is an Ebola vaccine, FlowVax BreastCA for breast cancers, and FlowVax HPV for HPV-induced cervical and throat cancer.

Funding rounds
  • Jul 2024Seed$225K
  • Nov 2022Seed$180K
  • Mar 2016Seed$2.3M
  • Apr 2011Seed$1.1M
Founders & team
Reid RubsamenFounder & CEO
Investors
Button Capital

Funding & investor landscape

$2.2Btotal disclosed funding
37companies funded
176disclosed rounds
0rounds last 90 days
Most active investors
HHS13 rounds
Gates5 rounds
Military Health5 rounds
Alta Partners3 rounds
Arch Venture Partners3 rounds
SOSV3 rounds
Western Technology Investment3 rounds
Altitude Life Science Ventures2 rounds
Ataria2 rounds
Beast Ventures2 rounds

Notable founders

Casey Lynch
Chief Executive Officer · Lighthouse Pharma
Lisa Conte
Founder & CEO · Jaguar Health
Lawrence Blatt
CEO · Aligos Therapeutics
Margarita Chavez
Board Member · Aligos Therapeutics
Jonathan Romanowsky
Co-Founder and Chief Business Officer · Inflammatix
Stefan Ryser
President & CEO · Trellis Bioscience
Keting Chu
Founder · Bluejay Therapeutics
Scott Robinson
Founder · MicroQuin
Zhi Hong
Co-Founder & CEO · Brii Biosciences
Reid Rubsamen
Founder & CEO · Flow Pharma
Klaus Frueh
Co-Founder · Vir Biotechnology
George Scangos
CEO · Vir Biotechnology
Prism market signals · United States · country-scoped Prism corpus, 1,265,774 docs

Market landscape — 10 sub-themes by coverage

Share of Infectious Diseases coverage by sub-theme.

Regulatory-risk over time falling

Funding & growth over time

funding flat · growth falling

RESEARCH SIGNALS · United States

How research on Diagnostics is moving in the United States

A read on the academic research around Diagnostics — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 8,526 United States-affiliated papers.

research sentiment over time
200820172026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and intensifying — the enthusiastic (strongly-positive) share moved 53% → 57% across 2008–2026.
top research entities
  • Harvard University330
  • Johns Hopkins University318
  • Heidelberg University249
  • Massachusetts General Hospital214
  • The University of Texas MD Anderson Cancer Center191
leading researchers
Gerald J. Kost · Liya Xu · Charlotte A. Gaydos · Andrew A. Davis · Yu‐Hsiang Hsieh · Stephanie N. Shishido · Helen J. Huang · David T. Wong
▲ Breakthroughs1,879 · 22%
▲ 18%→24% share
▲1.3× share momentum1 median citations56% since 2021mostly methods-led
Breakthroughs are rising (18%→24% of field), led by Liquid biopsy.
rising sub-themes (early→recent)
  • Liquid biopsy125→427
  • Biopsy15→114
  • Biomarker17→103
  • Point-of-care testing112→195
  • Cancer67→146
Newly emergingSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) 0→58 · Coronavirus disease 2019 (COVID-19) 0→45 · Methylation 0→33
Landmark Inertial Focusing for Tumor Antigen–Dependent and –Independent Sorting of Rare Circulating Tumor Cells · 1,071 cites
◆ Advancements3,687 · 43%
▲ 39%→45% share
▲1.2× share momentum2 median citations54% since 2021mostly empirical
Advancements are rising (39%→45% of field), led by Liquid biopsy.
rising sub-themes (early→recent)
  • Liquid biopsy183→739
  • Biopsy42→285
  • Biomarker55→208
  • Cancer115→260
  • Oncology57→183
Newly emergingTranscriptome 0→19 · Glioblastoma 0→18 · Precision oncology 0→16
Landmark Detection of Circulating Tumor DNA in Early- and Late-Stage Human Malignancies · 5,005 cites
▼ Concerns2,138 · 25%
▼ 32%→22% share
▼0.7× share momentum7 median citations45% since 2021mostly empirical
Concerns are cooling (32%→22% of field), led by Liquid biopsy.
rising sub-themes (early→recent)
  • Liquid biopsy67→239
  • Biopsy17→99
  • Biomarker28→86
  • Coronavirus disease 2019 (COVID-19)1→44
  • Cancer55→92
Newly emergingSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) 0→40 · Extracellular vesicles 0→21 · Glioma 0→11
Landmark Point-of-Care Diagnostics for Global Health · 1,066 cites
RESEARCH HOTSPOTS · United States

Where diagnostics is researched across United States

Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.

Boston642 · +0.40
Hot · Point-of-care testingAdvancing · Liquid biopsyOpportunity · AsymptomaticConcern · Antibiotic resistance
New York419 · +0.36
Hot · Liquid biopsyAdvancing · BiomarkerOpportunity · Immune systemConcern · Lung
SF Bay Area370 · +0.36
Hot · MalariaAdvancing · NanotechnologyOpportunity · Extracellular vesicleConcern · Odds ratio
Los Angeles278 · +0.50
Hot · RetinoblastomaAdvancing · Lyme diseaseOpportunity · MethylationConcern · Chlamydia trachomatis
Philadelphia194 · +0.30
Hot · Plasmodium vivaxAdvancing · Cervical cancerOpportunity · microRNAConcern · Pediatrics
Chicago182 · +0.40
Hot · Breast cancerAdvancing · Metastatic breast cancerOpportunity · Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Concern · Intensive care medicine
Seattle166 · +0.34
Hot · ArtemisininAdvancing · Congenital syphilisOpportunity · ConcordanceConcern · Primary care
San Diego165 · +0.43
Hot · Cell-free fetal DNAAdvancing · PhenotypeOpportunity · Renal cell carcinomaConcern · Disease
Atlanta127 · +0.28
Hot · AnemiaAdvancing · Prostate cancerOpportunity · Coronavirus disease 2019 (COVID-19)Concern · MEDLINE
Ann Arbor108 · +0.47
Hot · Circulating tumor cellAdvancing · Nanoparticle tracking analysisOpportunity · Circulating tumor DNAConcern · Disease
PATENT SIGNAL · United States

Who's filing diagnostics patents in the United States

United States diagnostics patent filing is accelerating — 418 filings from 196 assignees (2016–2025), led by Detect, UNIV Leland Stanford Junior, Washington University ST Louis; annual filings 13→55.

418 filings196 assigneespeak 67/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
  • Detect42
  • UNIV Leland Stanford Junior33
  • Washington University ST Louis20
  • UNIV California19
  • Nuclein19
  • Texas A & M UNIV SYS19
  • New England Biolabs18
  • Tempus LABS18

Common questions

How many Infectious Diseases companies are there in San Francisco, United States?
Radar tracks 53 indexable Infectious Diseases companies headquartered in San Francisco, United States that meet our profile-completeness bar.
What is the total funding raised by Infectious Diseases companies in San Francisco, United States?
The Infectious Diseases companies in San Francisco, United States on this list have raised a combined $2.2B in disclosed equity funding across 37 funded companies.
Which is the highest-funded Infectious Diseases company in San Francisco, United States?
Brii Biosciences is the highest-funded Infectious Diseases company in San Francisco, United States, with $515M in disclosed equity funding.
How many Infectious Diseases companies in San Francisco, United States are funded?
37 of the 53 Infectious Diseases companies in San Francisco, United States on this list have disclosed at least one equity funding round.
How many Infectious Diseases unicorns are there in San Francisco, United States?
None of the Infectious Diseases companies in San Francisco, United States on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in San Francisco, United States Infectious Diseases companies?
The most active investors in San Francisco, United States Infectious Diseases companies on this list include HHS, Gates, Military Health, Alta Partners, Arch Venture Partners.
Riya SenguptaFinancials

Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.

Coming soon