What does Max Mullen invest in?
Max Mullen invests most often at Seed and Pre-seed (60% of the rounds on record), in sectors such as Software, Marketplace and Fintech.

United States · Investor
Last cheque observed Oct 2026; 5 cheques on record.
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3 cheques in the last 12 months
Mostly Seed and Pre-seed: 60% of its rounds
I've also invested in 100+ startups and run a founder community in San Francisco called Workshop.From their own website
Every round we can evidence, newest first5 appearances
3 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.
We hold 1 person 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 their own portfolio page (on their website)
AnomaloAtoBChampCheckrCrosbyDeelFloat HealthFrecGumloopHighstockHoneydewInstacartLatticeMercuryMiddeskMultiplyNewfrontNuvoOmniOwnerRootlySavvy WealthShefSpanStediStordSuperblocksVerifiableWorkshopYouTangle
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 investors most often in the same rounds as Max Mullen. A count of rooms they were both in, not a relationship either has claimed.
The latest companies Max Mullen put money into.
5 episodes naming Max Mullen in the title.

Max Mullen: How Instacart Solved the Problem of Grocery Delivery
MentionsMax Mullen

Uncapped #47 | Max Mullen from Instacart
MentionsMax Mullen

Instacart co-founder Max Mullen gets tactical on crafting company values and intentionally building culture
MentionsMax Mullen

The State and Future of Food On-Demand with Max Mullen, Mike Duboe, and Brandon Hill
MentionsMax MullenGreylock

The Founders' List: Max Mullen (Co-Founder of Instacart) on "How to Run a Product Brainstorm"
MentionsMax Mullen
Max Mullen invests most often at Seed and Pre-seed (60% of the rounds on record), in sectors such as Software, Marketplace and Fintech.
5 investments on record, 3 of them in the last 12 months. The most recent was in Oct 2026.
Its most recent investments on record: Sava (Seed, Oct 2026), Highstock (Series A, Sept 2026) and Champ AI (Seed, May 2026).
The median round it joins is $9.3M.
Rarely, if at all: none of its 5 investments on record names it as the lead.
Yes: it is actively investing, with 3 investments in the last 12 months.
Most often SV Angel (3 rounds together) and Y Combinator (2 rounds together).
Max Mullen is an angel based in United States.
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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