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Investor profile

Atlas Venture

Venture Capital · Founded 1984 · Cambridge, United States

Early Stage VC in Life Science and Tech

298 portfolio companies Venture Capital · $16B invested · 589 investments · Investor rank #163 · Last investment 7/2026
Portfolio companies 298 ↑ 11% 5y
Decacorns 5
Thoroughbreds 27
Estimated holdings

Atlas Venture’s biggest current holdings.

An estimate of Atlas Venture’s largest live positions — disclosed shareholding × Dealroom’s latest valuation — across 3 companies where Atlas Venture is a named shareholder, worth about $818M in estimated equity value.

#CompanyEst. stakeValuationEst. value
  1. 1 WhoopHealth · Decacorn 6% $10.1B $606M
  2. 2 HopperEnterprise Software · Unicorn 4% $5.0B $200M
  3. 3 Secret EscapesTravel · Thoroughbred 2.7% $436M $12M

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

Exits

Atlas Venture’s biggest exits.

Portfolio companies that IPO’d or were acquired at $1B+, with the valuation recorded at exit and — for those still public — their value today. Exit events come from each company’s funding-round history; entry stage from Atlas Venture’s transaction record.

IPO · 2013
Entered Series ANow $30BHealth
$114M IPO · 2004
Entered Series B+Now $25BHealth
$550M IPO · 2000
Entered SeedNow $13BHealth
$6.5B IPO · 2020
Entered Series ANow $13BGaming
$174M IPO · 2020
Entered Series ANow $8.2BHealth
$35M IPO · 2004
Entered Series B+Now $6.5BHealth
$268M IPO · 2020
Entered Series ANow $4.1BHealth
$433M IPO · 2019
Entered Series ANow $3.8BHealth
$3.3B IPO · 2021
Entered Series B+Now $1.6BMedia
$582M IPO · 2018
Entered Series ANow $3.2BHealth
$1.2B IPO · 2014
Entered SeedNow $2.9BReal Estate
IPO · 2018
Entered SeedNow $2.7BHealth
Portfolio analysis

Where Atlas Venture’s portfolio is concentrated.

Distribution of portfolio companies by headquarters country, sector, entry stage and current growth stage. Across all 298 portfolio companies. "Stage entered" is the first priced round the investor joined, derived from the investor’s transaction history.

By countryCount
  1. USA239
  2. UK25
  3. Germany11
  4. Canada9
  5. France6
  6. Singapore6
  7. Israel3
  8. Italy3
  9. Cuba2
  10. Pakistan2
  11. Philippines2
  12. Sweden2
By sectorCount
  1. Health129
  2. Enterprise Software45
  3. Media22
  4. Marketing21
  5. Telecom20
  6. Security18
  7. Fintech17
  8. Education15
  9. Semiconductors13
  10. Sports8
  11. Gaming7
  12. Energy6
By stage enteredCount
  1. Series A158
  2. Seed80
  3. Series B+79
By growth stageCount
  1. Breakout Stage133
  2. Late Growth103
  3. Early Growth83
  4. Mature2
Portfolio market map

Inside Atlas Venture’s portfolio.

The 60 highest-funded portfolio companies, of 298 tracked.

DataRobot
Enterprise Software · Unicorn
$6.3B
Kailera Therapeutics
Health · Unicorn
$1.7B
Whoop
Health · Decacorn
$10B
DraftKings
Gaming · Decacorn
$13B
Solyndra
Energy
Hopper
Travel · Unicorn
$5.0B
Bicycle Therapeutics
Health
Obsidian Therapeutics
Health
$642M
Nimbus Therapeutics
Health
$840M
Scorpion Therapeutics
Health · Unicorn
$2.5B
Korro Bio
Health
$79M
Day One Biopharmaceuticals
Health · Unicorn
$1.8B
Be Bio
Health
$650M
Patreon
Music · Unicorn
$4.0B
Ikena Oncology
Health
$629M
Viridian Therapeutics
Health · Unicorn
$1.6B
Sionna Therapeutics
Health · Unicorn
$1.9B
SecurityScorecard Inc.
Security
$950M
Secret Escapes
Travel
$290M
Triveni Bio
Health
$575M
JenaValve Technology
Health
$400M
Chroma Medicine
Health
$540M
Generation Bio
Health
Diagonal Therapeutics
Health
$500M
Mariana Oncology
Health · Unicorn
$1.8B
Aiolos Bio
Health · Unicorn
$1.0B
Xilio Therapeutics
Health
Icera
Telecom
$45M
Kinaset Therapeutics
Health
$412M
Remix Therapeutics
Health
$280M
AAVantgarde Bio
Health
$564M
Affinia Therapeutics
Health
$550M
HotSpot Therapeutics
Health
$400M
Kymera Therapeutics
Health · Unicorn
$8.2B
Arkuda Therapeutics
Health
$256M
Disc Medicine
Health · Unicorn
$2.4B
Carbon Black
Security · Unicorn
$1.9B
Pheon Therapeutics
Health
$480M
Currencycloud
Fintech · Unicorn
$1.0B
Accent Therapeutics
Health
$300M
Antares Therapeutics
Health
$708M
Plastiq
Fintech
Dyne Therapeutics
Health · Unicorn
$4.1B
Unum Therapeutics
Health
$260M
Ellacoya Networks
Transportation
$52M
Third Harmonic Bio
Health
FreshBooks
Fintech · Unicorn
$1.0B
Magenta Therapeutics
Health
Q32 Bio
Health
$425M
Spero Therapeutics
Health
$16M
Vig­il Neu­ro­science
Health
$321M
Translate Bio
Health · Unicorn
$3.2B
Akero Therapeutics
Health · Unicorn
$3.8B
Lilliputian Systems
Energy
$160M
Zafgen
Health
$223M
K36 Therapeutics
Health
$280M
MorphoSys
Health · Unicorn
$2.7B
Earnest
Fintech
$155M
Yuantai Technology Industrial
Energy
$64M
Wellfound
Jobs Recruitment
$400M
Portfolio founders

Where Atlas Venture’s portfolio founders come from.

123 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 States92
  2. United Kingdom10
  3. Canada5
  4. Germany3
  5. Australia2
  6. France2
  7. Italy1
  8. Netherlands1
UniversityCount
  1. Harvard University12
  2. Massachusetts Institute of Technology10
  3. Stanford University5
  4. Columbia University4
  5. Dartmouth College3
  6. MIT Sloan School of Management3
  7. Penn State University3
  8. Stanford University Graduate School of Business3
  9. University of Oxford3
  10. University of Pennsylvania3
Previous companyCount
  1. Atlas Venture7
  2. Harvard Medical School4
  3. Merck & Co.4
  4. Novartis4
  5. Biogen3
  6. Massachusetts Institute of Technology3
  7. Scripps Translational Science Institute3
  8. Takeda Oncology3
  9. Vistaprint3
  10. Alantos Pharmaceuticals2
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.