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

United States · Investor
Filed with the SEC to raise a fund in Sep 2026, closing $1M. Last cheque observed Sep 2025.
QuietNew fund $750K, Sept 2026VC firm
1 rounds on record
Mostly Seed: 100% of its rounds
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.
Named by the firm itself, on a filing, its Form ADV or its company registration3 named
We also hold 3 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
The latest companies Operator Stack Fund put money into.
Operator Stack Fund invests most often at Seed (100% of the rounds on record), in sectors such as Venture Capital & Private Equity.
1 investments on record, 0 of them in the last 12 months. The most recent was in Sept 2025.
Its most recent investments on record: Parento (Seed, Sept 2025).
The median round it joins is $5.9M.
No investments in the last 12 months; the latest was in Sept 2025.
Operator Stack Fund is a VC firm based in San Francisco, United States.
Its latest fund filing with the SEC was in Sept 2026, reporting $750K 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