HMC Needles

VC firm · San Francisco, CA

SEC-registered adviser

Venture firm based in San Francisco, CA. Most recent fund on file: HMC Needles III, L.P. ($19.8M offering), filed Jun 2025.

“Haystack VC partners with innovative software and tech startups. We invest $500K-$2M in initial rounds, leading or participating. Discover how our decade of experience can fuel your startup” (from the firm’s website)

Stages: Seed
Typical check (est.): $500K–$2M
Latest fund: $19.8M · Jun 2025
Last verified activity: Jun 2025

Focus

Developer ToolsAI & MLDefense & AerospaceIndustrial & Manufacturing

Funds and vehicles on SEC file

HMC Needles III, L.P.
Fund · $19.8M offering
Jun 2025
HMC Needles II, L.P.
Fund · $25M offering
Jan 2025
HMC Needles I, L.P.
Fund · $25M offering
Jan 2025

Sources

SEC Form D: HMC Needles III, L.P.Jun 12, 2025
SEC Form D: HMC Needles II, L.P.Jan 13, 2025
SEC Form D: HMC Needles I, L.P.Jan 13, 2025
SEC adviser record: Haystack Management Company, LLCMar 13, 2026
Firm websiteOct 12, 2026

Profile last verified Oct 12, 2026. Is this you? Correct or remove this profile.