United States · Investor

MassChallenge

Last cheque observed Sep 2026; 984 cheques on record.

Deploying nowAccelerator

Pre-seedSeedSeries ASustainabilitySustainableSocial Impact

Deploying now
47%of best year77cheques in 12 months, 984 on record
Since the last cheque55days00hrs00min00sec
Median round$1.8MRounds led0 of 984Sole investor259 roundsExits3 from the portfolioMostly inUnited States, 53%
Pitch MassChallenge

MassChallenge highlights

  1. 01

    77 cheques in the last 12 months

  2. 02

    Mostly Venture and Seed: 67% of its rounds

  3. 03

    Sole investor in 259 rounds, median $373K

  4. 04

    3 exits from the portfolio

What they do

Type
Accelerator (from a list, unverified)
Cheque size
Not stated
Stages
Pre-seedSeedSeries ASeries B
Sectors
SustainabilitySustainableSocial Impact
Based in
Boston, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first984 appearances

  1. 2026

    54 rounds

  2. Sept
    INIA BiosciencesSeed · US$1.5MWith 2 others
  3. Sept
    GreencoverySeed · NL$1.2MSole investor
  4. Sept
    OkloUS$1.0BWith 2 others
  5. Sept
    DynamiCare HealthVenture · US$720KWith 1 other
  6. Jul
    moneyHOPVenture · GB$826KSole investor
  7. Jul
    NALA MembranesGrowth · US$11MWith 2 others
  8. Jul
    MicrocapsVenture · CH$10MWith 1 other
  9. Jul
    TreelessSeed · CH$1.5MSole investor
  10. Jul
    WaveguideDebt · US$200KSole investor
  11. Jul
    Infinite CoolingVenture · US$5.3MWith 2 others
  12. Jun
    RrreefsCrowdfunding · CH$1.1MSole investor
  13. Jun
    Combioxin S.A.Grant · CH$1.4MSole investor
  14. Jun
    HydromeaGrant · CH$1.0MWith 3 others
  15. May
    iSpecimenUS$2.5MSole investor
  16. May
    NoriwareGrant · CH$1.4MWith 1 other
  17. May
    PerPlantSeed · DK$1.2MWith 3 others
  18. May
    SALT ATHLETICUS$365KSole investor
  19. May
    NatrionVenture · USUndisclosedWith 1 other
  20. Apr
    UMNAIPre-seed · GB$232KSole investor
  21. Apr
    BLP DigitalSecondary · CH$50MWith 2 others
  22. Apr
    MuukTestGrant · US$499KWith 4 others
  23. Apr
    ConfidentialmindSeed · FI$4.1MWith 2 others
  24. Apr
    NeuravaGrant · US$4.0MWith 2 others
  25. Apr
    PatientoryVenture · US$500KWith 2 others
  26. Apr
    NaturbeadsGrant · GB$4.8MWith 3 others
  27. Mar
    Flourish CareSeed · US$5.7MWith 2 others
  28. Mar
    AgZenSeries B · US$10MWith 2 others
  29. Mar
    Matidor.comVenture · CAUndisclosedWith 3 others
  30. Mar
    Malama HealthSeed · US$6.9MWith 2 others
  31. Mar
    Surf TherapeuticsSeed · US$6.0MWith 2 others
  32. Mar
    SolidWattsSeed · CH$2.3MWith 3 others
  33. Mar
    EnVision EndoscopySeries A · US$500KWith 2 others
  34. Mar
    Cyclops.ioSeed · US$8.0MWith 1 other
  35. Mar
    PlairVenture · CH$1.3MWith 2 others
  36. Mar
    Starling MedicalVenture · US$825KWith 3 others
  37. Mar
    Clean Valley Bio-filtration TechnologiesDebt · CA$4.0MWith 2 others
  38. Mar
    AmuletDebt · US$758KWith 2 others
  39. Feb
    BreakerSeed · AU · Startup Daily$9.0MWith 2 others
  40. Feb
    Shearwater AerospaceSeed · CA$3.0MSole investor
  41. Feb
    Apeiron labsSeries A · US$9.5MWith 2 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

We hold 2 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

Exits from the portfolio

Companies it backed that were later bought or listed3 in all

UbersenseBought by HudlUndisclosedSept 2014
IntegralReachBought by Rovi CorporationUndisclosedApr 2013
LocatelyBought by Service Management GroupUndisclosedAug 2012

An exit counts when it came after the firm's first round in the company. From historical deal records.

Who they invest alongside

The investors most often in the same rounds as MassChallenge. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies MassChallenge put money into.

On podcasts

1 episode naming MassChallenge in the title, and 1 more that mention it.

Mentioned in

Quick answers about MassChallenge

What does MassChallenge invest in?

MassChallenge invests most often at Venture and Seed (67% of the rounds on record), in sectors such as Sustainability, Sustainable and Social Impact.

How active is MassChallenge?

984 investments on record, 77 of them in the last 12 months. The most recent was in Sept 2026.

What has MassChallenge invested in recently?

Its most recent investments on record: INIA Biosciences (Seed, Sept 2026), Greencovery (Seed, Sept 2026) and Oklo (Undisclosed round, Sept 2026).

How big are MassChallenge's cheques?

The median round it joins is $1.8M.

Does MassChallenge lead rounds?

Rarely, if at all: none of its 984 investments on record names it as the lead.

Where does MassChallenge invest?

Most of the companies it backs are in the United States (53%), Switzerland (23%) and the United Kingdom (8%).

Is MassChallenge investing now?

Yes: it is actively investing, with 77 investments in the last 12 months.

Who does MassChallenge invest alongside?

Most often National Science Foundation (104 rounds together), Techstars (71 rounds together) and Venture Kick (43 rounds together).

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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it