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Investor profile

Justin Mateen

Angel · Beverly Hills, United States

LinkedIn ↗
91 portfolio companies Angel · $2.0B invested · 103 investments · Investor rank #1,512 · Last investment 5/2026
Portfolio companies 91 ↑ 17% 5y
Decacorns 2
Thoroughbreds 11 ↑ 22% 5y
Power Law #157Investor Ranking · Global · 2026 · Top 1%
Estimated holdings

Justin Mateen’s biggest current holdings.

An estimate of Justin Mateen’s largest live positions — disclosed shareholding × Dealroom’s latest valuation — across 1 companies where Justin Mateen is a named shareholder, worth about $35M in estimated equity value.

#CompanyEst. stakeValuationEst. value
  1. 1 SpeakEducation · Unicorn 3.5% $1.0B $35M

Estimated value = Justin Mateen’s disclosed ownership % × Dealroom’s latest company valuation; direct named stakes only, exited positions excluded. Figures are indicative, not reported marks. Justin Mateen also appears inside investor groups in Nowports, where a standalone stake isn’t disclosed. See the underlying cap tables on Dealroom →

Portfolio analysis

Where Justin Mateen’s portfolio is concentrated.

Distribution of portfolio companies by headquarters country, sector, entry stage and current growth stage. Across all 91 portfolio companies. "Stage entered" is the first priced round the investor joined, derived from the investor’s transaction history.

By countryCount
  1. USA61
  2. India4
  3. Mexico4
  4. Philippines3
  5. Australia2
  6. Brazil2
  7. Colombia2
  8. Singapore2
  9. Sweden2
  10. UK2
  11. Argentina1
  12. Ghana1
By sectorCount
  1. Fintech21
  2. Health14
  3. Transportation11
  4. Enterprise Software9
  5. Food8
  6. Media6
  7. Real Estate6
  8. Marketing5
  9. Education4
  10. Fashion4
  11. Home Living4
  12. Wellness Beauty4
By stage enteredCount
  1. Seed61
  2. Series A22
  3. Series B+8
By growth stageCount
  1. Breakout Stage34
  2. Early Growth33
  3. Late Growth23
  4. Mature1
Portfolio market map

Inside Justin Mateen’s portfolio.

The 60 highest-funded portfolio companies, of 91 tracked.

Kalshi
Fintech · Decacorn
$22B
Relativity
Space · Unicorn
$4.2B
Brex
Fintech · Unicorn
$5.2B
Deel
Fintech · Decacorn
$17B
Varda Space
Health · Unicorn
$1.6B
Zenefits
Jobs Recruitment
$200M
Voi
Transportation
$375M
Revel Transit
Energy
$504M
Candid
Health
$254M
hike
Media · Unicorn
$1.4B
Nowports
Fintech · Unicorn
$1.1B
Speak
Education · Unicorn
$1.0B
Slash
Fintech · Unicorn
$1.4B
Curative
Health · Unicorn
$1.3B
Ready
Health
$350M
Kovi
Transportation
$416M
Common
Real Estate
$200M
LendUp
Fintech
Cover Technologies
Real Estate
$240M
FabFitFun
Wellness Beauty
$320M
Fun
Fintech
$288M
Ollie
Food
$85M
Yummy
Food
$188M
Little Spoon
Food
$176M
LAIKA
Home Living
$192M
BukuWarung
Fintech
$240M
Proxy
Security
$168M
Home Chef
Food
$200M
Firefly Health
Health
$160M
Cargomatic
Transportation
$140M
Solve Intelligence
Legal
$160M
Paymongo.com
Fintech
$124M
StyleSeat
Wellness Beauty
$100M
Rain
Semiconductors
$125M
Tenderd
Real Estate
$120M
Whop
Media · Unicorn
$1.6B
Clicoh
Transportation
$100M
FOSSA
Legal
$93M
Subquadratic
Enterprise Software
$116M
Swap
Fintech
$100M
Mason America
Telecom
$100M
Volopay
Fintech
$58M
Huckleberry
Fintech
$72M
Ohi
Marketing
$76M
SkydropX
Transportation
$80M
Wagr
Gaming
$48M
OUR HABITAS
Travel
$80M
Instant
Fintech
$100M
Mosh
Health
$65M
Hutch
Fashion
$40M
Ollie co
Travel
$60M
Bego
Transportation
$56M
Verse Medical
Health
$500K
Rio Grande
Marketing
$48M
Quo Finance
Real Estate
$29M
Tradexapp
Event Tech
$18M
Shield Bio
Health
$20M
Usage AI
Fintech
$36M
Rich Uncles Real Estate Investment Trust
Fintech
$1.8M
Waldo
Health
$20M
Portfolio founders

Where Justin Mateen’s portfolio founders come from.

131 founders across the 91 highest-funded portfolio companies — by current location, university attended, and the companies they worked at before founding. Sourced from the founder records the API links to each portfolio company.

LocationCount
  1. United States69
  2. Philippines7
  3. Sweden7
  4. Brazil6
  5. Colombia6
  6. Mexico5
  7. India3
  8. United Kingdom3
  9. Argentina2
  10. Australia2
UniversityCount
  1. Massachusetts Institute of Technology7
  2. Harvard Business School5
  3. Stanford University5
  4. Colegio de Estudios Superiores de Administración (CESA)4
  5. Stanford University Graduate School of Business4
  6. University of Oxford4
  7. Ateneo de Manila University3
  8. Harvard University3
  9. University of Cambridge3
  10. University of São Paulo3
Previous companyCount
  1. The Thiel Foundation6
  2. Microsoft5
  3. 994
  4. Alphabet | Google4
  5. DiDi4
  6. estagio99.com.br4
  7. Boston Consulting Group3
  8. Carousell3
  9. IBM3
  10. Massachusetts Institute of Technology3
How Justin Mateen stacks up

Similar investors.

Peers the API surfaces as most similar by portfolio shape, with Dealroom investor rank and portfolio scale.

Y Combinator
Accelerator · San Francisco
#64 rank 7,094 companies $1.9T portfolio
500 Global
Venture Capital · Palo Alto
#430 rank 2,321 companies $289B portfolio
FJ Labs
Venture Capital · New York City
#226 rank 783 companies $205B portfolio
Sequoia
Venture Capital · Menlo Park
#3 rank 1,919 companies $22T portfolio
Andreessen Horowitz
Venture Capital · Menlo Park
#2 rank 1,187 companies $4.5T portfolio
Partech
Venture Capital · Paris
#254 rank 395 companies $77B portfolio
Kleiner Perkins
Private Equity · Menlo Park
#51 rank 776 companies $8.1T portfolio
Tiger Global
Private Equity · New York City
#18 rank 811 companies $3.9T portfolio
Figures on this page are sourced live from the Dealroom next-gen API, joined with Dealroom’s cap-table dataset (estimated holdings) and the Power Law Investor Ranking. News in “Featured in” is drawn from Dealroom’s own coverage — the stories that name this investor, not only those it is the subject of. Market sentiment is omitted until the API exposes it.