What does Sierra Ventures invest in?
Sierra Ventures invests most often at Series A and Series B (47% of the rounds on record), in sectors such as Advanced Materials, Deep Tech and Infra.

United States · Investor
Last cheque observed Oct 2026; 271 cheques on record.
Deploying nowNew fund $266M, Sept 2023VC firm
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11 cheques in the last 12 months
Mostly Series A and Series B: 47% of its rounds
Sole investor in 28 rounds, median $5.0M
37 exits from the portfolio
Early-stage venture capital for first-principles founders.From their own website
Every round we can evidence, newest first271 appearances
11 rounds
15 rounds
16 rounds
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 registration5 named
We also hold 20 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
From their own portfolio page (on their website)
ChronosphereLiberty Strategic CapitalNetskopeBankinfosecurity
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.
Companies it backed that were later bought or listed37 in all
The latest 20 here. An exit counts when it came after the firm's first round in the company. From historical deal records.
The investors most often in the same rounds as Sierra Ventures. A count of rooms they were both in, not a relationship either has claimed.
The latest companies Sierra Ventures put money into.
Sierra Ventures invests most often at Series A and Series B (47% of the rounds on record), in sectors such as Advanced Materials, Deep Tech and Infra.
271 investments on record, 11 of them in the last 12 months, and it led 6. The most recent was in Oct 2026.
Its most recent investments on record: Thrixel (Seed, Oct 2026), Siena AI (Series A, Oct 2026) and AI Hospitality Group (Seed, Sept 2026).
The median round it joins is $12M. It says it writes cheques of $1.0M to $6.0M.
Sometimes: it led 6 of its 271 investments on record (2%).
Most of the companies it backs are in the United States (87%) and Mexico (5%).
Yes: it is actively investing, with 11 investments in the last 12 months.
Most often Storm Ventures (10 rounds together), Translink Capital (10 rounds together) and Alumni Ventures (9 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