What does Phosphor Capital invest in?
Phosphor Capital invests most often at Seed (100% of the rounds on record), in sectors such as Venture Capital & Private Equity.

United States · Investor
Last cheque observed Mar 2026; 1 cheques on record.
VC firmDeploying nowNew fund $34M, Jul 2025
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1 cheques in the last 12 months
Mostly Seed: 100% of its rounds
Phosphor Capital invests in the top founders in each Y Combinator batch.From their own website
Every round we can evidence, newest first1 appearances
1 round
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
From their own portfolio page (on their website)
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Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.
The latest companies Phosphor Capital put money into.
Phosphor Capital invests most often at Seed (100% of the rounds on record), in sectors such as Venture Capital & Private Equity.
1 investments on record, 1 of them in the last 12 months. The most recent was in Mar 2026.
Its most recent investments on record: AgentMail (Seed, Mar 2026).
The median round it joins is $6.0M.
Yes: it is actively investing, with 1 investments in the last 12 months.
Phosphor Capital is a VC firm based in San Francisco, United States.
Its latest fund filing with the SEC was in Jul 2025, reporting $34M raised.
From 1 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it