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Confirmed by the firmCalifornia

Heavybit

Heavybit, based in California, backs Pre-Seed and Seed infrastructure and developer tool startups, leading rounds with checks from $500k to $10M, including Stripe and PagerDuty.

Website LinkedIn XPortfolioTeam page
Entry stagePre-seed, Seed
Check size$500K to $10M
Leads roundsYes
FocusDev tools and infra
Latest fundn/a
Investing team6 peopleNo activity since Sep

Who you would pitch at Heavybit

6 people on the investing team, 6 of them partners who can make the call. Partners are listed first.

James Lindenbaum
James LindenbaumFounding PartnerHe advises on developer product design and early GTM, and serves on Begin's board.
Jesse Robbins
Jesse RobbinsGeneral PartnerHe has been involved in discussions on data science, algorithms, and AI infrastructure challenges.
Joseph Ruscio
Joseph RuscioGeneral PartnerHe currently works with startups including Tailscale, Localstack, Groundcover, and Partnerpage.
Tom Drummond
Tom DrummondManaging DirectorHe raised over $150m from Accel, Redpoint, and Bessemer Venture Partners, and previously worked at Reed Elsevier Ventures and the University of…
Amir Zohrenejad
Amir ZohrenejadPart-Time PartnerHe focuses on AI, natural language interfaces, and database infrastructure for early-stage startups.
Dana Oshiro
Dana OshiroPart-time PartnerShe joined in 2014 and has led positioning for over 50 companies, including Snyk and Tailscale.

Work here and something is wrong? Ask for a correction.

Writes $500K to $10M checks. Its smallest check is larger than 71% of firms in the atlas.

Bars: how many firms in the atlas report each band. Highlighted: this firm.

No recent activity since September 2026. Quiet does not mean closed.

Weekly count of activity updates. Activity is not a confirmed deal.

Before you pitch

Ownership target> 12%

Notable investments

PagerDutyStripeNetlifySnykCircleCILaunchDarklyContentfulMuxTailscaleReplicated

In their words

Heavybit is the leading investor in enterprise infrastructureSince 2013, Heavybit has continuously launched and scaled startups across multiple innovation cycles, from DevSecOps, feature flagging, AI and beyond.www.heavybit.com
Founders and investors at a Mode VC gathering

Send Mode VC your deck

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

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One email when this firm shows new activity. Nothing else.

Firms like Heavybit

1984 Ventures$500K to $3M · active Oct 14
Amplify Partners$500K to $10M
OSS Capital L.P.$500K to $10M
Rally Ventures$500K to $10M
Vertex Ventures (US)$500K to $10M
Hat-Trick Capital$500K to $3M

On these lists

Seed dev tools and infra investors in California85Pre-seed dev tools and infra investors in California56Seed investors in United States2836Pre-seed investors in United States1561Seed investors in California699Pre-seed investors in California434Seed dev tools and infra investors162Pre-seed dev tools and infra investors108

Questions

What stage does Heavybit invest in?

Heavybit reports entry at pre-seed, seed.

How much does Heavybit invest?

Heavybit reports checks of $500K to $10M.

Does Heavybit lead rounds?

Yes. Heavybit says it can lead.

Who are the partners at Heavybit?

James Lindenbaum (Founding Partner), Jesse Robbins (General Partner), Joseph Ruscio (General Partner), Tom Drummond (Managing Director), Amir Zohrenejad (Part-Time Partner), Dana Oshiro (Part-time Partner).

Is Heavybit active right now?

No recent activity since September 2026.

Work at Heavybit? Claim or correct this profile.