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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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  • Redpoint OmegaVC firm · Woodside, CA

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

    Insurtech

  • BOC VenturesVC firm · New York, NY

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

    AI & ML

  • Heartland VenturesVC firm · Columbus, OH

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

    Sector focus not yet verified

  • Harpoon VenturesVC firm · San Diego, CA

    Seed, Series A · checks $1.4M–$4.2M (est.)

    Biotech & PharmaAI & MLDeep TechClimate & Energy

  • HealthXVC firm · Madison, WI

    Pre-seed to Series A · checks $300K–$900K (est.)

    HealthcareCybersecurity

  • Vida VenturesVC firm · Los Angeles, CA

    Series A to Growth · checks $5M–$15M (est.)

    Biotech & Pharma

  • NexileonVC firm · Miami, FL

    Seed, Series A

    Sector focus not yet verified

  • Lux VenturesVC firm · New York, NY

    Seed to Growth · checks $4.28M–$34.6M (est.)

    AI & MLB2B SoftwareMedia, Gaming & CreatorDefense & Aerospace

  • ARCH VentureVC firm · Chicago, IL

    Seed to Growth · checks $4.05M–$92.5M (est.)

    Biotech & PharmaHealthcare

  • UpfrontVC firm · Los Angeles, CA

    Pre-seed to Series B · checks $100K–$300K (est.)

    B2B SoftwareHealthcare

  • CongruentVC firm · San Francisco, CA

    Seed to Series B · checks $850K–$2.55M (est.)

    Hardware & RoboticsClimate & EnergyDeep Tech

  • KairosVC firm · Beverly Hills, CA

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

    Sector focus not yet verified

  • KittyHawk HeavyVC firm · Seattle, WA

    Seed, Series A

    AI & MLHealthcare

  • Azolla VenturesVC firm · Cambridge, MA

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

    Climate & EnergyB2B Software

  • First Round CapitalVC firm · Philadelphia, PA

    Seed to Series B · checks $3.25M–$9.75M (est.)

    HealthcareAI & MLB2B SoftwareFood & Agriculture

  • AmplifyVC firm · Menlo Park, CA

    Seed to Growth · checks $3M–$9M (est.)

    Biotech & PharmaDeep Tech

  • TerrainVC firm · Hunt Valley, MD

    Seed, Series A

    Sector focus not yet verified

  • Ride HomeVC firm · Seattle, WA

    Seed, Series A

    AI & MLConsumerReal Estate & PropTech

  • DendrionVC firm · Chicago, IL

    Seed, Series A

    Healthcare

  • F.Inc CapitalVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Technology ImpactVC firm · Palo Alto, CA

    Series A to Growth · checks $7M–$21M (est.)

    Climate & EnergyDeep TechIndustrial & Manufacturing

  • AustenVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Mana VenturesVC firm · Seattle, WA

    Seed to Growth

    AI & MLSpaceHardware & Robotics

  • Coelius CapitalVC firm · Seattle, WA

    Seed, Series A

    Climate & Energy

  • BurklandSaaS.vcVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • REFASHIOND Ventures SeedVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Paradox CapitalVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Mystic VenturesVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • MentorsVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Schox Venture CapitalVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Agent VentureVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Climate Venture CapitalVC firm · Seattle, WA

    Seed, Series A

    Climate & Energy

  • CapitalXVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Rolling FunVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • Triangle TweenerVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified

  • V360 Holdings LLC Series Ohio State Early Investor NetworkVC firm · Columbus, OH

    Seed, Series A

    Healthcare

  • MC LongevityVC firm · New York, NY

    Seed to Growth · checks $5.08M–$15.3M (est.)

    Biotech & PharmaHealthcare

  • Fuel Venture CapitalVC firm · Miami, FL

    Seed to Series B · checks $3M–$9M (est.)

    AI & MLCybersecurityClimate & Energy

  • CollabVC firm · Atlanta, GA

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

    HealthcareDeveloper ToolsMobility & LogisticsFintech

  • Funders & FoundersVC firm · Seattle, WA

    Seed, Series A

    Sector focus not yet verified