vcvibes

Sosv Investments LLC (F/K/A Sosventures LLC)

SOSV DECARBONIZATION CONSORTIUM, L.P.

Late investment period

Late investment period: first sale Nov 2021, per Form D (fund age approximates vintage)

Vintage
2021
Fund size
$20M (Form D)
Stages
Not stated
Sectors
Climate hardware, Energy, Carbon capture
Regions
Not stated

01 · Thesis

SOSV is a deep tech venture capital firm that invests at pre-seed, often as a founder's very first check. It backs deep tech founders building companies for human and planetary health.Inferred from the firm's website

02 · Initial check

$200K to $333K (estimated from fund size)

Estimated from Form D

03 · Who to approach

Named on this fund's Form D

  • Sean O’Sullivan, Managing General Partner, SOSV

04 · Deals

No deals attributed to this fund yet.

05 · Evidence

No quoted evidence from the firm's website yet.

06 · Sources

  1. https://www.sec.gov/Archives/edgar/data/1891953/000189195321000003/

Last verified: Oct 28, 2026