Phosphor Capital

Early-stage venture fund that invests exclusively in Y Combinator-backed startups, founded in 2024 by solo GP Kulveer Taggar and based in San Francisco.

Profile

• Founder / GP: Kulveer Taggar — solo general partner; two-time YC founder (Auctomatic W07, Zeus Living S11) and prolific angel investor. Also a Visiting Partner at Y Combinator.
• Stage: Early-stage (pre-seed / seed).
• Focus: Exclusively Y Combinator startups — “invests in the top founders in each Y Combinator batch” — with an emphasis on young AI companies.
• Check size: $100,000–$500,000.
• Fund size / AUM: ~$34Mtotalcommittedcapital,raisedacrosstwofunds(thefir{m}^{\prime }sownsitelistsa$17M Fund I; press reports the cumulative ~$34M figure).
• Backers / LPs: Backed by Y Combinator CEO Garry Tan (named in press). ^[single-source — TechCrunch]
• Location: San Francisco, California.
• Founded: 2024 (firm site lists January 2024).
• Team: Small (~3 people per firm profile). ^[single-source]
• Portfolio: ~225 portfolio companies, which had raised a combined ~$720M as of the July 2025 launch announcement. Named portfolio companies include Reducto, Delve, Circleback, Gumloop, Deepnight, Corgi, Harper, Parahelp, Brainbase, CrustData and many other YC-batch startups. Several have raised Series A rounds (e.g., Gumloop, Circleback).
• Website: phosphorcap.com

Fundraise Relationship (init.inc)

init.inc’s contact at Phosphor Capital is its founder/GP, Kulveer Taggar (intro via Karun Kaushik). See the Kulveer Taggar page for the connection status and conversation details.

Phosphor’s portfolio includes Delve (Sazzad’s prior company), which makes Phosphor / Kulveer a context-rich fundraise relationship for init.inc.

Related

• Kulveer Taggar — founder / solo GP (init.inc contact)
• Delve — Phosphor portfolio company (Sazzad’s prior company)