Angel investor · San Francisco, 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.
Aydin Senkut has dated investments in 25 companies. 13 first entries were at Angel, Pre-Seed or Seed (52.0%). An early-stage founder can use the sector and stage filters to find comparable companies before approaching the investor.
Explore the evidence ↗2 first company relationships appear in the latest 24 months, compared with 0 in the preceding window. The latest recorded investment is 2025-11-26. This describes observed activity through 2026-05-22; it does not establish current availability.
Explore the evidence ↗15 of 23 companies with a full 24-month observation window raised another equity round. This investor backed 1 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 ↗B2C E-Commerce is the largest displayed sector by company count, appearing in 3 portfolio companies; sector tags overlap. 5 first entries carry a recorded lead flag and the median first-round syndicate includes 7 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 25 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 ↗15 of 23 companies with a full observation window. The next round can include any investor.
Follow the path ↗1 of the same 23 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 a platform converting gameplay concepts into web-accessible interactive formats
$20M total first roundDeveloper of next generation of induced-proximity medicines
$16M total first roundProvider of biotechnology based carbon storage solutions
$15M total first round| Sector | Angel | Seed | Series A | All stages |
|---|---|---|---|---|
| B2C E-Commerce | 3 | |||
| FinTech | 3 | |||
| Commerce Enablers | 3 | |||
| Content Management System (CMS) | 2 | |||
| E-Commerce Enablers | 2 | |||
| E-Commerce SaaS | 2 | |||
| MarketingTech | 2 |
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. 2 newer companies and 1 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 | 6 | 6 / 6 | 0 / 6 |
| Seed | 5 | 2 / 5 | 1 / 5 |
| Series A | 8 | 5 / 8 | 0 / 8 |
| Series B | 4 | 2 / 4 | 0 / 4 |
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.
6 shared rounds · 6 companies
Latest shared round Feb 20223 shared rounds · 3 companies
Latest shared round Jan 2021Shared 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? |
|---|---|---|---|---|
Fifth Door ↗San Francisco | Nov 2025 | Seed | $20M | No later round recorded |
General Proximity ↗San Francisco | Jan 2025 | Seed | $16M | No later round recorded |
Living Carbon ↗San Francisco | Feb 2022 | Series A | $15M | No later round recorded |
Literati ↗Del Valle | Jan 2021 | Series B | $40M | No later round recorded |
YotaScale ↗Menlo Park | Oct 2020 | Series B | $13M | No later round recorded |
| Jul 2019 | Angel | $18M | No later round recorded | |
Notion ↗San Francisco | Jul 2019 | Angel | $18M | No later round recorded |
Guideline ↗Burlingame | Aug 2017 | Series B | $15M | No later round recorded |
Opendoor ↗Tempe | Sep 2014 | Series A | $10M | No later round recorded |
Vicarious ↗San Francisco | Mar 2014 | Series B | $40M | No later round recorded |
Breezy ↗San Francisco | Mar 2011 | Angel | $750K | No later round recorded |
MUBI ↗Palo Alto | Jan 2011 | Angel | $2.4M | No later round recorded |
Optimizely ↗San Francisco | Nov 2010 | Angel | $1.2M | No later round recorded |
MOVIECLIPS ↗Los Angeles | Aug 2010 | Series A | $3.5M | No later round recorded |
Wildfire ↗Redwood City | Apr 2010 | Series A | $4.0M | No later round recorded |
Post Intelligence ↗San Francisco | Apr 2010 | Seed | $630K | No later round recorded |
Erply Retail POS ↗New York City | Mar 2010 | Series A | $2.0M | No later round recorded |
Worldly Developments | Mar 2010 | Seed | $800K | No later round recorded |
Posterous ↗San Francisco | Mar 2010 | Series A | $4.4M | No later round recorded |
Inkling ↗San Francisco | Jan 2010 | Angel | $1.0M | No later round recorded |
Credit Karma ↗San Francisco | Nov 2009 | Series A | $2.5M | No later round recorded |
CarWoo ↗Burlingame | Jun 2009 | Seed | $1.5M | Yes · Jan 2010 |
VentureBeat ↗San Francisco | Feb 2008 | Seed | $320K | No later round recorded |
Weebly ↗United States | May 2007 | Seed | $650K | No later round recorded |
BrightRoll ↗San Francisco | Nov 2006 | Series A | $1.0M | No later round recorded |
No companies match these filters. Try a broader sector or stage.
Kept in the 26-company portfolio; excluded from entry-timing calculations.
Search San Francisco, 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.