What does Addition invest in?
Addition invests most often at Series B and Series A (52% of the rounds on record), in sectors such as Technology.

United States · Investor
Last cheque observed Sep 2026; 58 cheques on record.
Deploying nowNew fund $97M, Jun 2026Private equity
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19 cheques in the last 12 months
Mostly Series B and Series A: 52% of its rounds
Sole investor in 5 rounds, median $29M
We invest in early & growth stage technology companies.From their own website
Every round we can evidence, newest first58 appearances
13 rounds
17 rounds
10 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 registration4 named
We also hold 10 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 Addition. A count of rooms they were both in, not a relationship either has claimed.
The latest companies Addition put money into.
2 episodes naming Addition in the title, and 4 more that mention it.

Base Power Raises $1B led by Addition, with Trust Ventures, Valor Equity, Thrive, Lightspeed, a16z, Altimeter, Stepstone, Elad Gil

Base Power's $200M Series B Co-Led by Lee Fixel of Addition, A16Z, Lightspeed, & Valor Equity Partners
MentionsAdditionLee FixelValor Equity Partners+4

Base Power Hits $13B Valuation on $1B Series D

Applied Intuition: The $15B Physical AI Company (You Should Know)

How to build a company you’ll run forever | Zack Kanter (Founder and CEO of Stedi)

20VC: Who Wins the AI Race; Startups or Incumbents & Does Having Proprietary Data Really Matter For Startups Today?
Addition invests most often at Series B and Series A (52% of the rounds on record), in sectors such as Technology.
58 investments on record, 19 of them in the last 12 months, and it led 10. The most recent was in Sept 2026.
Its most recent investments on record: Snorkel AI (Growth, Sept 2026), Base Power (Series D, Aug 2026) and Satispay (Debt, Jul 2026).
The median round it joins is $38M. It says it writes cheques of $1.0M to $500M.
Yes: it led 10 of its 58 investments on record (17%).
Most of the companies it backs are in the United States (72%) and the United Kingdom (13%).
Yes: it is actively investing, with 19 investments in the last 12 months.
Most often Coatue (6 rounds together), Lightspeed Venture Partners (6 rounds together) and Andreessen Horowitz (5 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