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Justin Mateen

Angel · Beverly Hills, United States

#157 Investor Ranking 2026 Top 1% of investors worldwide
LinkedIn ↗
91 Portfolio companies+17% in 5 years
18 Unicorns
2 Decacorns
103 Investments
May 2026 Last investment
01 · Biggest holdings

Justin Mateen’s biggest current holdings.

The most valuable companies Justin Mateen still holds, ordered by Dealroom’s latest valuation. Companies that have been acquired or gone public are in Exits instead. Dealroom has no parsed shareholder register for Justin Mateen, so the size of each stake isn’t shown.

#CompanyValuation
  1. 1 KalshiDecacorn · Fintech · USA $22.0B
  2. 2 DeelDecacorn · Fintech · USA $17.3B
  3. 3 HadrianUnicorn · Robotics · USA $8.0B
  4. 4 DutchieUnicorn · Fintech · USA $3.8B
  5. 5 Stoke SpaceUnicorn · Telecom · USA $2.5B
  6. 6 KavakUnicorn · Transportation · Mexico $2.2B
  7. 7 Varda SpaceUnicorn · Health · USA $1.6B
  8. 8 WhopUnicorn · Media · USA $1.6B
  9. 9 SlashUnicorn · Fintech · USA $1.4B
  10. 10 CurativeUnicorn · Health · USA $1.3B
  11. 11 NowportsUnicorn · Fintech · Mexico $1.1B
  12. 12 GeniesUnicorn · Media · USA $1.0B

Unicorns and thoroughbreds Justin Mateen has backed and still holds, at Dealroom’s latest valuation. Justin Mateen also appears inside investor groups in Nowports, where a standalone stake isn’t disclosed. See the underlying shareholder registers on Dealroom →

02 · 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. USA91
  2. India8
  3. UK8
  4. Mexico6
  5. Brazil4
  6. Canada3
  7. Colombia3
  8. France3
  9. Germany3
  10. Philippines3
  11. Australia2
  12. Ghana2
By sectorCount
  1. Fintech35
  2. Health24
  3. Food20
  4. Transportation16
  5. Enterprise Software14
  6. Marketing9
  7. Media9
  8. Real Estate7
  9. Home Living6
  10. Jobs Recruitment6
  11. Wellness Beauty6
  12. Education5
By stage enteredCount
  1. Seed61
  2. Series A22
  3. Series B+8
By growth stageCount
  1. Early Growth65
  2. Breakout Stage49
  3. Late Growth38
  4. Mature2
03 · 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
Kavak
Transportation · Unicorn
$2.2B
Hadrian
Robotics · Unicorn
$8.0B
Stoke Space
Telecom · Unicorn
$2.5B
Brex
Fintech · Unicorn
$5.2B
Deel
Fintech · Decacorn
$17B
Varda Space
Health · Unicorn
$1.6B
Dutchie
Fintech · Unicorn
$3.8B
Zenefits
Jobs Recruitment
$200M
Voi
Transportation
$375M
Omio
Travel
$40M
Revel Transit
Energy
$504M
COMPASS Pathways
Health · Unicorn
$1.4B
Candid
Health
$254M
hike
Media · Unicorn
$1.4B
Genies
Media · Unicorn
$1.0B
Nowports
Fintech · Unicorn
$1.1B
Owner
Food · Unicorn
$1.0B
Speak
Education · Unicorn
$1.0B
Slash
Fintech · Unicorn
$1.4B
Curative
Health · Unicorn
$1.3B
Ready
Health
$350M
Urbanic
Fashion
$600M
Kovi
Transportation
$416M
Wasoko
Transportation
$625M
Common
Real Estate
$200M
Munchery
Food
$340M
LendUp
Fintech
Cover Technologies
Real Estate
$240M
Spotahome
Real Estate
$200M
Endless West
Food
$240M
Breadfast
Food
$382M
mPharma
Health
$120M
FabFitFun
Wellness Beauty
$320M
Fun
Fintech
$288M
Ollie
Food
$85M
Chiper
Food
$212M
Yummy
Food
$188M
Little Spoon
Food
$176M
Conta Simples
Fintech
$166M
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
Blank Street
Food
$125M
idwall
Security
$71M
Paymongo.com
Fintech
$124M
StyleSeat
Wellness Beauty
$100M
Catalyte
Jobs Recruitment
$135M
Rain
Semiconductors
$125M
Roswell Biotechnologies
Health
$128M
Tenderd
Real Estate
$120M
Whop
Media · Unicorn
$1.6B
Clicoh
Transportation
$100M
FOSSA
Legal
$93M
DoNotPay
Legal
$80M
04 · Portfolio founders

Where Justin Mateen’s portfolio founders come from.

159 founders across the 100 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 States82
  2. Brazil12
  3. Mexico8
  4. Colombia7
  5. Sweden5
  6. United Kingdom5
  7. Egypt4
  8. Ghana4
  9. Philippines4
  10. Argentina2
UniversityCount
  1. Harvard Business School10
  2. Stanford University8
  3. Stanford University Graduate School of Business8
  4. Massachusetts Institute of Technology7
  5. Colegio de Estudios Superiores de Administración (CESA)4
  6. Harvard University4
  7. MIT Sloan School of Management4
  8. University of Oxford4
  9. Insper3
  10. Technological Institute of Monterrey3
Previous companyCount
  1. The Thiel Foundation7
  2. McKinsey & Company6
  3. Microsoft6
  4. Alphabet | Google5
  5. 994
  6. DiDi4
  7. estagio99.com.br4
  8. Amazon3
  9. Bain & Company3
  10. Banco Original3
05 · Similar investors

Similar investors.

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

Y Combinator
Accelerator · San Francisco
#62 rank 7,127 companies $1.9T portfolio
500 Global
Venture Capital · Palo Alto
#431 rank 2,321 companies $284B portfolio
FJ Labs
Venture Capital · New York City
#228 rank 784 companies $207B portfolio
Sequoia
Venture Capital · Menlo Park
#3 rank 1,921 companies $23T portfolio
Andreessen Horowitz
Venture Capital · Menlo Park
#2 rank 1,188 companies $4.4T portfolio
Partech
Venture Capital · Paris
#255 rank 395 companies $77B portfolio
Kleiner Perkins
Private Equity · Menlo Park
#51 rank 778 companies $9.0T portfolio
Tiger Global
Private Equity · New York City
#19 rank 811 companies $3.9T portfolio