Angel investor · United States
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.
Justin Mateen has dated investments in 46 companies. 29 first entries were at Angel, Pre-Seed or Seed (63.0%). 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 5 in the preceding window. The latest recorded investment is 2026-05-05. This describes observed activity through 2026-05-22; it does not establish current availability.
Explore the evidence ↗19 of 43 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 ↗FinTech is the largest displayed sector by company count, appearing in 10 portfolio companies; sector tags overlap. 13 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 39 disclosed first rounds. Total round size; the investor’s own cheque is undisclosed.
Size your round ↗22 May 2024–22 May 2026, versus 5 in the preceding 24 months.
See the rhythm ↗19 of 43 companies with a full observation window. The next round can include any investor.
Follow the path ↗3 of the same 43 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 large context language models for software engineering tasks
$29M total first roundAPI for cross-chain decentralized wallets on the Odsy blockchain
$72M total first roundProvider of self collecting COVID-19 testing centers listing platform
$153M total first round| Sector | Angel | Seed | Series A | All stages |
|---|---|---|---|---|
| FinTech | 10 | |||
| B2C E-Commerce | 9 | |||
| HealthTech | 4 | |||
| Healthcare Booking Platforms | 4 | |||
| Food Tech | 4 | |||
| Web 3.0 | 3 | |||
| Investment Tech | 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 0 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 | 2 / 3 | 1 / 3 |
| Seed | 25 | 11 / 25 | 1 / 25 |
| Series A | 11 | 4 / 11 | 1 / 11 |
| Series B | 1 | 1 / 1 | 0 / 1 |
| Series D | 1 | 1 / 1 | 0 / 1 |
| Unattributed | 2 | 0 / 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.
14 shared rounds · 14 companies
Latest shared round May 202314 shared rounds · 14 companies
Latest shared round May 202310 shared rounds · 10 companies
Latest shared round Mar 20228 shared rounds · 8 companies
Latest shared round May 20236 shared rounds · 5 companies
Latest shared round Mar 2022Shared 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? |
|---|---|---|---|---|
Subquadratic ↗Miami | May 2026 | Seed | $29M | No later round recorded |
Fun ↗San Francisco | May 2026 | Series A | $72M | No later round recorded |
Curative ↗Austin | Oct 2025 | Series B | $153M | No later round recorded |
Slash ↗San Francisco | May 2023 | Series A | $19M | No later round recorded |
| May 2023 | Series A | $19M | No later round recorded | |
Speak ↗San Francisco | Nov 2022 | Series B | $27M | No later round recorded |
Reworth ↗Mexico City | Oct 2022 | Seed | $6.6M | No later round recorded |
Playdex ↗Sacramento | Jun 2022 | Seed | $2.0M | No later round recorded |
Instant ↗Sydney | Feb 2022 | Seed | $23M | No later round recorded |
Quo ↗Palo Alto | Dec 2021 | Seed | $7.2M | No later round recorded |
SWAP ↗Sao Paulo | Oct 2021 | Series A | $25M | No later round recorded |
Blisser ↗Stockholm | Oct 2021 | Seed | $1.0M | No later round recorded |
Gobillion ↗Delhi | Sep 2021 | Seed | $2.9M | No later round recorded |
BreachQuest ↗Dallas | Aug 2021 | Seed | $4.4M | No later round recorded |
Hike ↗Delhi | Aug 2021 | Series D | Undisclosed | No later round recorded |
yela ↗London | Aug 2021 | Unattributed | $2.2M | No later round recorded |
Yummy ↗Caracas | Jul 2021 | Seed | $4.0M | No later round recorded |
TradeX ↗Delhi | Jul 2021 | Seed | $1.0M | No later round recorded |
Nowports ↗Monterrey | Jul 2021 | Series A | $24M | No later round recorded |
WAGR ↗San Francisco | Jun 2021 | Seed | $4.0M | No later round recorded |
Usage AI ↗New York City | Mar 2021 | Seed | Undisclosed | No later round recorded |
Koinz ↗Riyadh | Mar 2021 | Series A | $4.8M | No later round recorded |
Method & Madness ↗Toronto | Feb 2021 | Angel | $2.0M | No later round recorded |
Blox ↗Mumbai | Feb 2021 | Seed | $2.0M | No later round recorded |
Volopay ↗Singapore | Jan 2021 | Seed | $2.1M | Yes · Mar 2022 |
Varda Space Industries ↗El Segundo | Dec 2020 | Seed | $9.0M | No later round recorded |
Wellory ↗New York City | Dec 2020 | Seed | $4.2M | No later round recorded |
| Nov 2020 | Angel | Undisclosed | No later round recorded | |
BukuWarung ↗Jakarta | Sep 2020 | Seed | Undisclosed | No later round recorded |
Aeris Health ↗Cham | Aug 2020 | Series A | $3.3M | No later round recorded |
avionschool ↗Taguig | Jul 2020 | Seed | Undisclosed | No later round recorded |
goDutch ↗Mumbai | Jul 2020 | Seed | $1.7M | No later round recorded |
Ohza ↗Cambridge | May 2020 | Seed | Undisclosed | No later round recorded |
Papa’s Pops ↗New York City | Feb 2020 | Seed | $1.3M | No later round recorded |
Catalyte ↗Baltimore | Jan 2020 | Unattributed | $4.0M | No later round recorded |
Kovi ↗Sao Paulo | Nov 2019 | Series A | $30M | No later round recorded |
| Oct 2019 | Angel | Undisclosed | Yes · Jul 2020 | |
PayMongo ↗Manila | Sep 2019 | Seed | $2.7M | No later round recorded |
Digi-Prex ↗Hyderabad | Sep 2019 | Seed | $5.5M | No later round recorded |
Mosh ↗Sydney | Aug 2019 | Seed | $676K | No later round recorded |
Tenderd ↗Dubai | Jun 2019 | Seed | $5.8M | No later round recorded |
Little Spoon ↗San Francisco | Feb 2019 | Series A | $7.0M | No later round recorded |
Voi ↗Stockholm | Nov 2018 | Series A | $50M | Yes · Mar 2019 |
SkydropX ↗Monterrey | Oct 2018 | Series A | $4.5M | No later round recorded |
Waldo ↗London | Jul 2018 | Series A | $5.0M | No later round recorded |
| Mar 2017 | Seed | $120K | Yes · Nov 2022 |
No companies match these filters. Try a broader sector or stage.
Kept in the 46-company portfolio; excluded from entry-timing calculations.
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