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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

Who are the most active Series A investors?

By new SEC filings in the last 12 months, the most active are AVSF, MVP, HCM, Lightspeed and HCM S14Ai.

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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  • AVSFVC firm · Manchester, NH

    Pre-seed to Growth · checks $25K–$100K (est.)

    AI & MLHealthcareSpaceBiotech & Pharma+1

  • MVPSyndicate · Menlo Park, CA

    Seed, Series A

    AI & MLB2B SoftwareDeveloper Tools

  • HCMVC firm · San Francisco, CA

    Seed to Series B · checks $4.2M–$12.6M (est.)

    Sector focus not yet verified

  • LightspeedVC firm · Menlo Park, CA

    Seed to Growth

    CybersecurityAI & ML

  • HCM S14AiVC firm · San Francisco, CA

    Seed, Series A · checks $1.02M–$3.05M (est.)

    AI & MLCrypto & Web3

  • AstroSyndicate · New York, NY

    Pre-seed to Growth

    SpaceAI & ML

  • GC VentureVC firm · Cambridge, MA

    Seed, Series A · checks $800K–$2.45M (est.)

    Sector focus not yet verified

  • Thrive Capital PartnersVC firm · New York, NY

    Seed to Growth

    Sector focus not yet verified

  • EclipseVC firm · Palo Alto, CA

    Series A · checks $150K–$450K (est.)

    Climate & EnergyAI & MLHardware & RoboticsIndustrial & Manufacturing

  • Sequoia CapitalVC firm · Menlo Park, CA

    Seed to Growth

    AI & ML

  • SOJA Ventures InvestmentsVC firm · New York, NY

    Seed, Series A

    Media, Gaming & CreatorReal Estate & PropTech

  • DeviationVC firm · New York, NY

    Seed to Series B

    Biotech & PharmaHardware & RoboticsAI & MLHealthcare

  • Nea CHVC firm · Menlo Park, CA

    Seed to Growth

    Biotech & PharmaB2B SoftwareAI & MLConsumer+1

  • AccelVC firm · Palo Alto, CA

    Seed to Growth

    B2B SoftwareHealthcare

  • Tandem VenturesVC firm · Lehi, UT

    Pre-seed to Series B · checks $500K–$1M (est.)

    Media, Gaming & CreatorFintech

  • Nucleation CapitalVC firm · Seattle, WA

    Seed, Series A

    Mobility & Logistics

  • Spark CapitalVC firm · Boston, MA

    Seed to Growth

    AI & ML

  • Caffeinated CapitalVC firm · Aspen, CO

    Seed to Growth · checks $150K–$450K (est.)

    B2B SoftwareHealthcareIndustrial & ManufacturingFintech

  • Andreessen HorowitzVC firm · Menlo Park, CA

    Seed to Growth

    AI & MLDeveloper Tools

  • BenchmarkVC firm · Gig Harbor, WA

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

    Deep TechAI & MLDeveloper Tools

  • Denver AngelsSyndicate · Denver, CO

    Pre-seed to Series B · checks $250K–$3M (est.)

    ConsumerReal Estate & PropTechHealthcareB2B Software+1

  • CostanoaVC firm · Palo Alto, CA

    Seed to Series B · checks $500K–$1.5M (est.)

    B2B Software

  • Bessemer VentureVC firm · Larchmont, NY

    Seed to Growth

    B2B SoftwareCybersecurity

  • J2 Ventures StrategicVC firm · Boston, MA

    Seed, Series A · checks $125K–$350K (est.)

    AI & MLDeveloper ToolsCybersecurityGovTech & Public Sector

  • Anchor CapitalSyndicate · Boston, MA

    Pre-seed to Series A · checks $350K–$2.6M (est.)

    Industrial & Manufacturing

  • DecisiveVC firm · New York, NY

    Seed to Growth · checks $600K–$1.8M (est.)

    Climate & EnergyB2B SoftwareDefense & AerospaceAI & ML

  • RebelSyndicate · San Juan, PR

    Seed, Series A · checks $150K–$300K (est.)

    CybersecurityAI & MLMedia, Gaming & Creator

  • Silverton PartnersVC firm · Austin, TX

    Seed to Series B · checks $250K–$750K (est.)

    HealthcareAI & MLCybersecurity

  • Javelin Venture PartnersVC firm · San Francisco, CA

    Seed, Series A · checks $500K–$4M (est.)

    AI & MLConsumerHealthcareDeveloper Tools

  • AlphaVC firm · Richmond, VA

    Seed, Series A

    Developer ToolsHealthcareMedia, Gaming & CreatorB2B Software

  • Khosla VenturesVC firm · Menlo Park, CA

    Seed to Growth

    AI & MLHealthcareClimate & Energy

  • Modi VenturesVC firm · Sugar Land, TX

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

    Sector focus not yet verified

  • Positive SumVC firm · Greenwich, CT

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

    AI & MLCybersecurityB2B Software

  • USVVC firm · New York, NY

    Seed to Series B · checks $4M–$12M (est.)

    Climate & EnergyB2B Software

  • EngineVC firm · Cambridge, MA

    Seed to Series B · checks $5M–$15M (est.)

    Climate & EnergyAI & MLIndustrial & ManufacturingSpace

  • EvolutionVC firm · Richmond, VA

    Seed, Series A

    Sector focus not yet verified

  • Jude GomilaVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • GreycroftVC firm · New York, NY

    Seed to Series B · checks $6M–$18M (est.)

    ConsumerClimate & EnergyAI & ML

  • LayerVC firm · New York, NY

    Seed, Series A

    AI & ML

  • Kleiner PerkinsVC firm · Menlo Park, CA

    Seed to Growth

    Biotech & PharmaDefense & Aerospace