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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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  • Chestnut Street VenturesVC firm · Manchester, NH

    Seed, Series A

    Sector focus not yet verified

  • Congress Avenue VenturesVC firm · Manchester, NH

    Seed, Series A

    Sector focus not yet verified

  • Doepfner CapitalVC firm · Los Angeles, CA

    Seed, Series A · checks $900K–$2.7M (est.)

    Sector focus not yet verified

  • ValkyrieVC firm · Park City, UT

    Seed, Series A · checks $425K–$1.25M (est.)

    AI & ML

  • Day One VenturesSyndicate · Dallas, TX

    Seed to Growth · checks $7.38M–$14.8M (est.)

    AI & MLSpaceB2B Software

  • American DeepTech InfiniteVC firm · Reston, VA

    Seed, Series A

    Deep Tech

  • Star51 CapitalVC firm · New York, NY

    Seed, Series A

    Biotech & PharmaHealthcare

  • Ion Pacific Ostrich ZetaVC firm · Venice, CA

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

    Sector focus not yet verified

  • TraceVC firm · Los Angeles, CA

    Seed, Series A

    Sector focus not yet verified

  • AntimatterVC firm · San Francisco, CA

    Seed, Series A

    Sector focus not yet verified

  • Springdale VenturesVC firm · Austin, TX

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

    Consumer

  • FiDi VenturesVC firm · New York, NY

    Seed, Series A

    Sector focus not yet verified

  • Singularity Opportunity SpringVC firm · Tucson, AZ

    Seed, Series A

    Sector focus not yet verified

  • 4pipoVC firm · Lehi, UT

    Seed, Series A

    Sector focus not yet verified

  • Golden EagleVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Showcase VenturesVC firm · Beverly Hills, CA

    Seed, Series A

    Sector focus not yet verified

  • AV SeedVC firm · Boston, MA

    Seed, Series A

    Sector focus not yet verified

  • Dimension CapitalVC firm · Coral Gables, FL

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

    Biotech & PharmaFintech

  • Venus PMLVC firm · Miami, FL

    Seed, Series A

    Sector focus not yet verified

  • Ve PGSVC firm · Palo Alto, CA

    Seed, Series A · checks $775K–$2.35M (est.)

    Sector focus not yet verified

  • SMSVC firm · Palo Alto, CA

    Seed, Series A

    Sector focus not yet verified

  • EldridgeVC firm · Palo Alto, CA

    Seed, Series A

    Sector focus not yet verified

  • Founders United FounderCoVC firm · Concord, MA

    Seed, Series A

    Sector focus not yet verified

  • Volition CapitalVC firm · Boston, MA

    Series A, Growth · checks $8.75M–$26.3M (est.)

    ConsumerAI & MLB2B SoftwareDeveloper Tools

  • AV AI & RoboticsVC firm · Boston, MA

    Seed, Series A

    AI & MLHardware & Robotics

  • Tech Innovation IndiaVC firm · Pompton Lakes, NJ

    Seed, Series A

    Sector focus not yet verified

  • Kapor CapitalVC firm · Oakland, CA

    Pre-seed to Series A · checks $500K–$1.5M (est.)

    EducationAI & MLConsumerMedia, Gaming & Creator

  • MercuryVC firm · Houston, TX

    Pre-seed to Growth · checks $1.5M–$4.5M (est.)

    Crypto & Web3AI & MLMedia, Gaming & CreatorE-commerce & Retail

  • BAG VenturesVC firm · San Francisco, CA

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

    Space

  • S Squared - HADVC firm · Englewood, NJ

    Seed, Series A

    Sector focus not yet verified

  • OT AI CyberVC firm · Boston, MA

    Seed, Series A

    AI & MLCybersecurity

  • Magellan Partners MCVC firm · Cary, NC

    Seed, Series A

    Sector focus not yet verified

  • Fluid Tech SAFEVC firm · Provo, UT

    Seed, Series A

    Sector focus not yet verified

  • Logos OdinVC firm · New York, NY

    Seed, Series A

    Sector focus not yet verified

  • HPA Karoo Health InvestmentVC firm · Darien, IL

    Seed, Series A

    Healthcare

  • North Haven Venture CapitalVC firm · West Conshohocken, PA

    Seed to Series B · checks $2.45M–$7.35M (est.)

    Sector focus not yet verified

  • Undeterred CapitalVC firm · Los Angeles, CA

    Seed, Series A

    Sector focus not yet verified

  • Protagonist SomaVC firm · Bay Harbor Islands, FL

    Seed, Series A · checks $875K–$2.65M (est.)

    Sector focus not yet verified

  • Solari Capital Radial HealthVC firm · New York, NY

    Seed, Series A

    Healthcare

  • Schematic VenturesVC firm · San Francisco, CA

    Pre-seed to Series A · checks $1M–$2M (est.)

    AI & MLMobility & LogisticsIndustrial & ManufacturingB2B Software