Angel investor · New York City, United States
Recorded investments.
A clearer sense of fit.
Find where your company fits, how rounds are assembled, and what happened after the first investment.
of dated first investments
were at Angel, Pre-Seed or Seed
One dot = one company at first recorded investment.
Written insights from the recorded portfolio, with the evidence linked below.
Esther Dyson has dated investments in 35 companies. 22 first entries were at Angel, Pre-Seed or Seed (62.9%). An early-stage founder can use the sector and stage filters to find comparable companies before approaching the investor.
Explore the evidence ↗3 first company relationships appear in the latest 24 months, compared with 0 in the preceding window. The latest recorded investment is 2025-11-11. This describes observed activity through 2026-05-22; it does not establish current availability.
Explore the evidence ↗18 of 32 companies with a full 24-month observation window raised another equity round. This investor backed 3 of those companies again within that window. The difference is a reason to research the wider syndicate, rather than assume the same investor will fund the next round.
Explore the evidence ↗HealthTech is the largest displayed sector by company count, appearing in 13 portfolio companies; sector tags overlap. 1 first entries carry a recorded lead flag and the median first-round syndicate includes 5 other named backers. Shared rounds are evidence of co-investment, not evidence of an introduction route.
Explore the evidence ↗Start with observed behavior.
Every rate has a defined denominator.
25th–75th percentile across 33 disclosed first rounds. Total round size; the investor’s own cheque is undisclosed.
Size your round ↗22 May 2024–22 May 2026, versus 0 in the preceding 24 months.
See the rhythm ↗18 of 32 companies with a full observation window. The next round can include any investor.
Follow the path ↗3 of the same 32 companies. Build a financing plan around the wider investor market.
Explore co-investors ↗Choose your sector and stage to find
companies he first backed in that space.
A match means a recorded investment in this category. It does not establish current interest or availability.
All sectors · All entry stages. Round amounts are total financing, in USD.
Developer of wireless earbuds that monitor brain activity and enhance sleep
$16M total first roundMobile application for individuals to track GLP-1 shots for weight loss
$2.3M total first roundProvider of imaging technologies for medical diagnosis and treatments
$54M total first round| Sector | Angel | Seed | Series A | All stages |
|---|---|---|---|---|
| HealthTech | 13 | |||
| Disease Self Management | 6 | |||
| Chronic Disease Management | 4 | |||
| Healthcare IT | 4 | |||
| IoT in Healthcare | 3 | |||
| Medical Devices | 3 | |||
| Non-Invasive Health Monitoring Devices | 3 |
Use stage-specific financing ranges
to frame the size of your syndicate.
Logarithmic scale. A dot marks the median; the band spans the 25th–75th percentiles. These are entire rounds, not individual cheques.
A subsequent round and repeat backing
answer different fundraising questions.
Includes first investments on or before 22 May 2024. 3 newer companies and 3 undated histories are excluded. Follow-up stops at the dataset’s latest round on 22 May 2026. These observations do not measure returns or predict a company’s outcome.
| First stage | Eligible companies | Next round ≤24 mo | Same investor again ≤24 mo |
|---|---|---|---|
| Angel | 3 | 1 / 3 | 0 / 3 |
| Seed | 18 | 14 / 18 | 2 / 18 |
| Series A | 9 | 3 / 9 | 1 / 9 |
| Series B | 1 | 0 / 1 | 0 / 1 |
| Series C | 0 | 0 / 0 | 0 / 0 |
| Series D | 1 | 0 / 1 | 0 / 1 |
Separate first investments from later
rounds in companies already backed.
*2026 is partial, through 22 May. Bar height counts first investments + repeat rounds; earlier years are complete calendar periods in this dataset.
Frequent shared rounds suggest a place
to investigate sector and stage alignment.
5 shared rounds · 5 companies
Latest shared round May 20155 shared rounds · 2 companies
Latest shared round Feb 20244 shared rounds · 2 companies
Latest shared round Feb 20243 shared rounds · 1 companies
Latest shared round Feb 20243 shared rounds · 1 companies
Latest shared round Feb 20243 shared rounds · 3 companies
Latest shared round Feb 2024Shared rounds establish recorded co-investment. They do not establish a personal connection, introduction route, or current willingness to invest.
First investment comes first.
Amounts refer to that entry round.
| Company | First backed | Entry stage | Total entry round | Same investor again? |
|---|---|---|---|---|
NextSense ↗Mountain View | Nov 2025 | Series A | $16M | No later round recorded |
Shotsy ↗Salem | Feb 2025 | Seed | $2.3M | No later round recorded |
Openwater ↗San Francisco | Aug 2024 | Series C | $54M | No later round recorded |
Boxhub ↗New York City | Apr 2022 | Seed | $2.7M | No later round recorded |
Localized ↗San Francisco | Apr 2021 | Series A | $2.4M | No later round recorded |
| Mar 2021 | Series A | Undisclosed | No later round recorded | |
Robust ↗San Carlos | Oct 2020 | Series A | $15M | No later round recorded |
MindRight ↗Newark | Aug 2020 | Seed | $1.0M | No later round recorded |
Humanity ↗London | Aug 2020 | Seed | $2.5M | Yes · Aug 2021 |
Turbine ↗Budapest | Nov 2019 | Seed | $3.3M | No later round recorded |
Ilara Health ↗Nairobi | Aug 2019 | Seed | $735K | No later round recorded |
Trella ↗Cairo | Feb 2019 | Seed | $600K | No later round recorded |
Daivergent ↗New York City | Jan 2019 | Seed | $950K | No later round recorded |
| Nov 2018 | Seed | $802K | No later round recorded | |
Ezra ↗New York City | Nov 2018 | Seed | $4.0M | Yes · Jun 2020 |
Circle ↗New York City | Nov 2018 | Seed | $802K | No later round recorded |
Cecelia Health ↗New York City | Sep 2018 | Series A | $4.0M | No later round recorded |
CogX | Jun 2018 | Angel | $6.0M | No later round recorded |
doppel ↗London | May 2018 | Seed | $1.9M | No later round recorded |
Swvl ↗Cairo | Mar 2018 | Series A | $8.0M | Yes · Nov 2018 |
Trimian ↗San Francisco | Oct 2017 | Seed | $3.0M | No later round recorded |
The Sync Project ↗Boston | May 2017 | Series A | $5.0M | No later round recorded |
Oradian ↗Zagreb | May 2015 | Seed | Undisclosed | No later round recorded |
BeneStream ↗New York City | Jul 2014 | Seed | $1.6M | No later round recorded |
JUMP Bikes ↗Brooklyn | May 2013 | Angel | $1.1M | Yes · Jan 2018 |
Zeel ↗New York City | Jan 2012 | Seed | $1.5M | No later round recorded |
Omada ↗San Francisco | Dec 2011 | Seed | $800K | No later round recorded |
VoxImplant ↗Palo Alto | Oct 2011 | Series A | $1.2M | No later round recorded |
AlterGeo ↗Moscow | Jun 2011 | Series A | $10M | No later round recorded |
HealthTap ↗Palo Alto | Mar 2011 | Seed | $2.4M | No later round recorded |
The Extraordinaries ↗San Francisco | May 2010 | Seed | $1.1M | No later round recorded |
SkyGrid ↗Sunnyvale | Aug 2008 | Series B | $11M | No later round recorded |
School of Everything ↗Wallington | Apr 2008 | Angel | $350K | No later round recorded |
| Feb 2006 | Series A | $1.0M | Yes · Apr 2008 | |
Brightmail ↗San Francisco | Jul 2000 | Series D | $35M | No later round recorded |
No companies match these filters. Try a broader sector or stage.
Kept in the 37-company portfolio; excluded from entry-timing calculations.
Search New York City, United States investor companies in Radar. Filter the company directory to explore the businesses behind your market and investor research.
Explore companies in Radar ↗We build customized research dashboards for companies. Tell us which competitors, markets and questions matter to your team, and discuss a dashboard designed around your needs.
Discuss a custom dashboard ↗A customized service from Fliar. Contact us to discuss your requirements.Use Fliar Prism to research a company, market or topic, with reports and insights drawn from its research dataset.
Explore Fliar Prism ↗Start with the company or question you want to understand.