ZInvestorHunting
Sign inStart 3-day trial

Startup investors in Boston

115 investors based in Boston filed a new fund, deal vehicle or board seat with the SEC in the last 12 months, 32 (28%) of them in the last 90 days. The most common sectors are Healthcare (17), AI & ML (14) and Biotech & Pharma (14). For the 73 with a stated or estimated check size, the median range is $950K–$2.85M. Counted by the office address on their SEC filings; many invest well beyond Boston.

Updated from SEC filings · How we build this list

How many startup investors in Boston are investing right now?

115 filed a new fund, deal vehicle or board seat with the SEC in the last 12 months, 32 of them in the last 90 days.

How much do startup investors in Boston typically invest?

The median estimated check is $950K–$2.85M, across 73 investors with a plausible estimate. Actual checks vary by round and lead role.

What sectors do startup investors in Boston back most?

Healthcare (17), AI & ML (14) and Biotech & Pharma (14) lead, by investors with recent activity in each.

Start a 3-day trial to rank these 115 investors by fit with your startup and see contacts and warm paths.

Rank them for me

  • Green D VenturesVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Aurelia FoundryVC firm · Wellesley, MA

    Pre-seed to Growth · checks $750K–$2.25M (est.)

    Hardware & RoboticsSpace

  • WaveVC firm · Boston, MA

    Pre-seed to Growth · checks $1M–$3M (est.)

    Deep TechClimate & Energy

  • BCV EmergeVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • CompanyonVC firm · Boston, MA

    Seed, Series A · checks $1M–$3M (est.)

    AI & MLB2B SoftwareMedia, Gaming & CreatorFintech

  • Bain Capital VentureVC firm · Boston, MA

    Seed to Growth · checks $4.33M–$49.4M (est.)

    Climate & EnergyReal Estate & PropTechBiotech & PharmaCybersecurity

  • Altimeter Venture PartnersVC firm · Boston, MA

    Series A to Growth · checks $7.5M–$22.5M (est.)

    Sector focus not yet verified

  • Socratic EriduVC firm · Boston, MA

    Pre-seed, Seed · checks $400K–$1.15M (est.)

    Sector focus not yet verified

  • OT QuantumVC firm · Boston, MA

    Seed, Series A

    Deep Tech

  • OT Confidential ComputingVC firm · Boston, MA

    Pre-seed, Seed · checks $50K–$150K (est.)

    Sector focus not yet verified

  • Material ImpactVC firm · Boston, MA

    Seed, Series A · checks $1.5M–$4.5M (est.)

    Deep TechHardware & Robotics

  • Bay State CapitalVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • AV US Strategic TechVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Ring VenturesVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Av CioVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • AV AI FirstVC firm · Boston, MA

    Seed, Series A

    AI & ML

  • Altimeter AdirondackVC firm · Boston, MA

    Seed, Series A · checks $1.68M–$5.05M (est.)

    Sector focus not yet verified

  • Aether VenturesVC firm · Cambridge, MA

    Seed, Series A

    Sector focus not yet verified

  • Stackpoint VentureVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Vianti CapitalVC firm · Boston, MA

    Seed to Growth · checks $2M–$6M (est.)

    Biotech & PharmaHealthcare

  • Milemark catalanVC firm · Cambridge, MA

    Seed, Series A

    Sector focus not yet verified

  • OmegaVC firm · Boston, MA

    Seed to Growth · checks $5.8M–$17.4M (est.)

    Biotech & PharmaHealthcareAI & MLCybersecurity

  • RA CapitalVC firm · Boston, MA

    Seed to Growth · checks $1.23M–$3.65M (est.)

    HealthcareBiotech & Pharma

  • Pembroke Ventures VITVC firm · Newton, MA

    Seed, Series A

    Sector focus not yet verified

  • Cure VenturesVC firm · Boston, MA

    Seed to Growth · checks $3.5M–$10.5M (est.)

    Biotech & Pharma

  • Altimeter ReindustrializationVC firm · Boston, MA

    Seed, Series A · checks $1.25M–$3.75M (est.)

    Sector focus not yet verified

  • W Health VenturesVC firm · Boston, MA

    Pre-seed, Seed · checks $450K–$1.35M (est.)

    Healthcare

  • AV WomensVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • GC CreationVC firm · Cambridge, MA

    Seed, Series A

    Sector focus not yet verified

  • Altimeter VesuviusVC firm · Boston, MA

    Pre-seed, Seed · checks $500K–$1.5M (est.)

    Sector focus not yet verified

  • Wavecrest DealerwareVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Clean Energy VentureVC firm · Boston, MA

    Seed to Series B · checks $3.05M–$9.15M (est.)

    Climate & EnergyB2B Software

  • Altimeter Rocky MountainVC firm · Boston, MA

    Seed, Series A · checks $825K–$2.45M (est.)

    Sector focus not yet verified

  • T.Rx CapitalVC firm · Boston, MA

    Seed, Series A · checks $1.75M–$5.25M (est.)

    Biotech & PharmaHealthcare

  • Nassau Street VenturesVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified