What does Act One Ventures invest in?
Act One Ventures invests most often at Seed and Series A (100% of the rounds on record), in sectors such as Software, Productivity Tools and Collaboration Tools.

United States · Investor
Last cheque observed Nov 2026; 6 cheques on record.
VC firmDeploying nowLast fund $73M, Dec 2023
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1 cheques in the last 12 months
Mostly Seed and Series A: 100% of its rounds
Sole investor in 1 rounds, median $1.0M
Act One Ventures is a community focused, early stage venture capital firm leading pre-seed and seed rounds in compliance, vertical SaaS, service-as-software, and fintech.From their own website
Every round we can evidence, newest first6 appearances
1 round
1 round
2 rounds
1 round
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 registration2 named
We also hold 8 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.
From the firm's own filings with the SEC, which it must file accurately by law
The investors most often in the same rounds as Act One Ventures. A count of rooms they were both in, not a relationship either has claimed.
The latest companies Act One Ventures put money into.
1 episode naming Act One Ventures in the title.

Act One Ventures Silton and Guerrero on the Diversity Rider initiative, building meaningful partnerships, and operating experience has been key to their model
Act One Ventures invests most often at Seed and Series A (100% of the rounds on record), in sectors such as Software, Productivity Tools and Collaboration Tools.
6 investments on record, 1 of them in the last 12 months. The most recent was in Nov 2026.
Its most recent investments on record: Shackleton AI (Seed, Nov 2026), Latii (Seed, Nov 2024) and Blaze (Seed, Jul 2019).
The median round it joins is $5.0M. It says it writes cheques of $250K to $1.0M.
Rarely, if at all: none of its 6 investments on record names it as the lead.
Most of the companies it backs are in the United States (100%).
Yes: it is actively investing, with 1 investments in the last 12 months.
Most often Homebrew (2 rounds together).
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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