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Series A investors active this year

1,053 US Series A investors filed a new fund, deal vehicle or board seat with the SEC in the last 12 months, 294 (28%) of them in the last 90 days. The top home states are California (337), New York (159) and Massachusetts (92); the most common sectors are AI & ML (171), Healthcare (98) and B2B Software (97). For the 411 with a stated or estimated check size, the median range is $1M–$3.1M. Stage comes from the investor's own website where it says; otherwise from fund size and the rounds it has joined, with angels, syndicates and accelerators counted as pre-seed and seed.

Updated from SEC filings · How we build this list

How many Series A investors are investing right now?

1,053 filed a new fund, deal vehicle or board seat with the SEC in the last 12 months, 294 of them in the last 90 days.

How much do Series A investors typically invest?

The median estimated check is $1M–$3.1M, across 411 investors with a plausible estimate. Actual checks vary by round and lead role.

Where are Series A investors based?

Most are in California (337), New York (159) and Massachusetts (92).

What sectors do Series A investors back most?

AI & ML (171), Healthcare (98) and B2B Software (97) lead, by investors with recent activity in each.

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  • OrionVC SeedVC firm

    Seed, Series A

    Sector focus not yet verified

  • FellowsVC firm · Campbell, CA

    Seed, Series A · checks $50K–$150K (est.)

    AI & ML

  • IgniteIRVC firm · San Jose, CA

    Seed, Series A

    Sector focus not yet verified

  • Ignite BlitzscalingVC firm · San Jose, CA

    Seed, Series A

    Sector focus not yet verified

  • AstoriaVC firm · New York, NY

    Seed, Series A

    Media, Gaming & CreatorDeveloper Tools

  • MW LSV KalshiVC firm · Los Angeles, CA

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

    Sector focus not yet verified

  • MW LSV PolymarketVC firm · Los Angeles, CA

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

    Sector focus not yet verified

  • Gilgamesh Pharma PMLVC firm · Miami, FL

    Seed, Series A

    Biotech & Pharma

  • Bay State CapitalVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Venrock AssociatesVC firm · Palo Alto, CA

    Seed to Growth

    Biotech & PharmaB2B SoftwareHealthcareAI & ML

  • Costanoa AscentVC firm · Palo Alto, CA

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

    Sector focus not yet verified

  • Friale Fund 2.0VC firm · Nashville, TN

    Seed, Series A · checks $750K–$2.25M (est.)

    Sector focus not yet verified

  • Rock Health CapitalVC firm · San Francisco, CA

    Series A · checks $500K–$1.5M (est.)

    Healthcare

  • TribecaVC firm · New York, NY

    Seed to Growth · checks $1.5M–$4.5M (est.)

    AI & MLB2B Software

  • MotherVC firm · New Hope, PA

    Seed, Series A

    Sector focus not yet verified

  • OnwardVC firm · Pasadena, CA

    Seed, Series A · checks $850K–$2.55M (est.)

    Developer Tools

  • Vista Cambium ComputeVC firm · Highland, MD

    Seed, Series A

    Developer Tools

  • Yard VenturesVC firm · Manchester, NH

    Seed, Series A

    Sector focus not yet verified

  • AV US Strategic TechVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • ZettaVC firm · San Francisco, CA

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

    AI & MLB2B SoftwareDeep Tech

  • 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

  • CFV Protein PintsVC firm · Houston, TX

    Seed, Series A

    Food & Agriculture

  • AV AI FirstVC firm · Boston, MA

    Seed, Series A

    AI & ML

  • Ribbit CapitalVC firm · Palo Alto, CA

    Seed to Growth

    Crypto & Web3

  • FT OpenovaVC firm · Wheaton, IL

    Seed, Series A

    Sector focus not yet verified

  • KWI Cyber Holdings OPVC firm · Hunt Valley, MD

    Seed, Series A

    Cybersecurity

  • Aalo AVCFVC firm · Ft. Lauderdale, FL

    Seed, Series A

    Sector focus not yet verified

  • NJP CrystalVC firm · Austin, TX

    Seed, Series A · checks $600K–$1.8M (est.)

    Sector focus not yet verified

  • Eqiq LLC VCVC firm · Chicago, IL

    Seed to Series B · checks $3.7M–$11.1M (est.)

    Sector focus not yet verified

  • FirstCapitalVC firm · Milford, NH

    Seed, Series A

    Sector focus not yet verified

  • All AboardVC firm · New York, NY

    Seed, Series A · checks $1.05M–$3.15M (est.)

    Climate & Energy

  • SuttonaVC firm · New York, NY

    Seed, Series A

    Sector focus not yet verified

  • Altimeter AdirondackVC firm · Boston, MA

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

    Sector focus not yet verified

  • HDDC TMRWVC firm · New York, NY

    Seed, Series A

    Sector focus not yet verified

  • Aether VenturesVC firm · Cambridge, MA

    Seed, Series A

    Sector focus not yet verified

  • Climate AvengersVC firm · Seattle, WA

    Seed, Series A

    Climate & Energy

  • Bluestein VenturesVC firm · Chicago, IL

    Seed, Series A · checks $450K–$1.35M (est.)

    Biotech & PharmaFood & Agriculture

  • Fernbrook ConvergenceVC firm · New York, NY

    Seed, Series A

    Sector focus not yet verified

  • xAIVC firm · Dunwoody, GA

    Seed, Series A

    AI & ML