Angel investor ·
Recorded investments.
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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.
Sam Altman has dated investments in 11 companies. 4 first entries were at Angel, Pre-Seed or Seed (36.4%). An early-stage founder can use the sector and stage filters to find comparable companies before approaching the investor.
Explore the evidence ↗0 first company relationships appear in the latest 24 months, compared with 6 in the preceding window. The latest recorded investment is 2023-06-07. This describes observed activity through 2026-05-22; it does not establish current availability.
Explore the evidence ↗2 of 11 companies with a full 24-month observation window raised another equity round. This investor backed 0 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 ↗Loneliness Economy is the largest displayed sector by company count, appearing in 2 portfolio companies; sector tags overlap. 5 first entries carry a recorded lead flag and the median first-round syndicate includes 4 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 9 disclosed first rounds. Total round size; the investor’s own cheque is undisclosed.
Size your round ↗22 May 2024–22 May 2026, versus 6 in the preceding 24 months.
See the rhythm ↗2 of 11 companies with a full observation window. The next round can include any investor.
Follow the path ↗0 of the same 11 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.
Manufacturer of magnesium from seawater
$10M total first roundOnline platform offering Q&A-based learning solutions
$29M total first roundProvider of education administration programs
$29M total first round| Sector | Seed | Series A | Series D | All stages |
|---|---|---|---|---|
| Loneliness Economy | 2 | |||
| Social Platforms | 2 | |||
| Advanced Materials | 1 | |||
| Digital Publishing Platforms | 1 | |||
| EdTech | 1 | |||
| Higher Education Tech | 1 | |||
| K-12 EdTech | 1 |
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. 0 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 |
|---|---|---|---|
| Seed | 4 | 1 / 4 | 0 / 4 |
| Series A | 4 | 0 / 4 | 0 / 4 |
| Series D | 1 | 0 / 1 | 0 / 1 |
| Unattributed | 2 | 1 / 2 | 0 / 2 |
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.
2 shared rounds · 2 companies
Latest shared round May 20232 shared rounds · 2 companies
Latest shared round May 20232 shared rounds · 2 companies
Latest shared round Jan 20232 shared rounds · 2 companies
Latest shared round May 2023Shared 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? |
|---|---|---|---|---|
Magrathea Metals ↗San Francisco | Jun 2023 | Seed | $10M | No later round recorded |
Campuswire ↗San Francisco | May 2023 | Series A | $29M | No later round recorded |
Campus ↗Sacramento | May 2023 | Unattributed | $29M | No later round recorded |
Unearthly Materials ↗Rochester | Apr 2023 | Series A | $20M | No later round recorded |
Beek ↗Austin | Feb 2023 | Series A | $13M | No later round recorded |
Queer Spaces ↗Los Angeles | Jan 2023 | Seed | Undisclosed | No later round recorded |
| Apr 2022 | Seed | $20M | No later round recorded | |
CONTEXT ↗London | Apr 2022 | Unattributed | $20M | No later round recorded |
Retro ↗San Francisco | Apr 2022 | Series D | $180M | No later round recorded |
| Mar 2021 | Series A | Undisclosed | No later round recorded | |
Rain ↗Redwood City | Jun 2018 | Seed | $5.0M | Yes · Feb 2022 |
No companies match these filters. Try a broader sector or stage.
Kept in the 12-company portfolio; excluded from entry-timing calculations.
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