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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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  • ADD Capital InvestmentVC firm · New York, NY

    Seed, Series A

    Sector focus not yet verified

  • Coreline StrategyVC firm · Redwood City, CA

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

    Sector focus not yet verified

  • Avego BioScience CapitalVC firm · Alpharetta, GA

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

    Biotech & Pharma

  • Twin Track I USVC firm

    Seed, Series A

    Sector focus not yet verified

  • Cloudberry I USVC firm

    Seed, Series A

    Sector focus not yet verified

  • Aurelia FoundryVC firm · Wellesley, MA

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

    Hardware & RoboticsSpace

  • Lerer HippeauVC firm · New York, NY

    Seed to Series B · checks $4.17M–$12.5M (est.)

    AI & MLMobility & LogisticsMedia, Gaming & Creator

  • Kamerra EagleVC firm · Austin, TX

    Seed, Series A

    Sector focus not yet verified

  • Fearless Axiom MathVC firm

    Seed, Series A

    Sector focus not yet verified

  • Swift Street CapitalVC firm · Durham, NC

    Seed, Series A

    Sector focus not yet verified

  • ADvantageSyndicate · New York, NY

    Pre-seed to Series A · checks $100K–$200K (est.)

    B2B Software

  • WaveVC firm · Boston, MA

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

    Deep TechClimate & Energy

  • Bettor CapitalVC firm · Spring Lake, NJ

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

    Media, Gaming & Creator

  • AifVC firm · Orlando, FL

    Seed to Growth · checks $325K–$1M (est.)

    Healthcare

  • TressesVC firm · Napa, CA

    Seed, Series A

    Sector focus not yet verified

  • Magnetic VenturesVC firm · Miami Beach, FL

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

    Biotech & PharmaB2B Software

  • Cultura Liquida VenturesVC firm · Miami, FL

    Seed, Series A

    Sector focus not yet verified

  • VersantVC firm · San Francisco, CA

    Seed to Growth · checks $2.98M–$8.95M (est.)

    Biotech & Pharma

  • GradientVC firm · Arden Hills, MN

    Seed to Series B · checks $2.27M–$6.8M (est.)

    Deep Tech

  • Am TechVC firm · Beverly Hills, CA

    Seed, Series A

    Sector focus not yet verified

  • BCV EmergeVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Sivulka InvestmentsVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Smash CapitalVC firm · West Hollywood, CA

    Series A to Growth · checks $8.28M–$24.8M (est.)

    AI & ML

  • CompanyonVC firm · Boston, MA

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

    AI & MLB2B SoftwareMedia, Gaming & CreatorFintech

  • AlleyCorpVC firm · New York, NY

    Seed to Series B · checks $3.35M–$10.1M (est.)

    Climate & EnergyHealthcareBiotech & Pharma

  • Lynett Capital PartnersVC firm · Jupiter, FL

    Pre-seed to Series A · checks $275K–$850K (est.)

    AI & MLDefense & AerospaceFintechDeveloper Tools

  • Bain Capital VentureVC firm · Boston, MA

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

    Climate & EnergyReal Estate & PropTechBiotech & PharmaCybersecurity

  • GRCRTVC firm

    Seed, Series A

    Sector focus not yet verified

  • BGVVC firm · Menlo Park, CA

    Seed, Series A · checks $1.2M–$3.6M (est.)

    AI & MLB2B Software

  • Altimeter Venture PartnersVC firm · Boston, MA

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

    Sector focus not yet verified

  • Optim CircleVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • First BightVC firm · Houston, TX

    Seed, Series A · checks $800K–$2.4M (est.)

    Sector focus not yet verified

  • Zero ShotVC firm · Moraga, CA

    Seed, Series A

    Sector focus not yet verified

  • BBG VenturesVC firm · New York, NY

    Pre-seed to Series A · checks $600K–$1.8M (est.)

    HealthcareAI & MLConsumer

  • Project Ventures USVC firm

    Seed, Series A

    Sector focus not yet verified

  • EdenBase QuantumVC firm · Orlando, FL

    Seed, Series A

    Deep Tech

  • ARC GenesisVC firm · Garden City, NY

    Seed, Series A

    Sector focus not yet verified

  • Twelve BelowVC firm · New York, NY

    Pre-seed to Series A · checks $550K–$1.65M (est.)

    HealthcareCybersecurityB2B Software

  • 18 West AlphaVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • BroadvailVC firm · Houston, TX

    Seed to Series B · checks $3.92M–$11.8M (est.)

    Real Estate & PropTech