Entry stagePre-seed, Seed, Series A
Check sizeUp to $1M
Leads roundsMostly follows
FocusGeneralist
Latest fundn/a
Investing team1 peopleNo activity since Sep
Who you would pitch at SBXi
1 person on the investing team. Partners are listed first.
Work here and something is wrong? Ask for a correction.
Writes Up to $1M checks. Its smallest check is larger than 0% 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< 5%
Notable investments
LightmatterAvocaPolygenceCambridge TerahertzBasalt TechnologiesFarmWise Labs1849 BioBlueShift
In their words
SBXi - We Back MIT Founders.SBXi is jointly sponsored by eight firms. We offer equity funding for MIT founders who are working on a term sheet with a lead investor.www.sbxi.com
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.
Send your deckAlert me when SBXi is active
One email when this firm shows new activity. Nothing else.
On these lists
Questions
What stage does SBXi invest in?
SBXi reports entry at pre-seed, seed, series a.
How much does SBXi invest?
SBXi reports checks of Up to $1M.
Does SBXi lead rounds?
SBXi mostly follows other investors.
Who are the partners at SBXi?
Robert Harrington.
Is SBXi active right now?
No recent activity since September 2026.
Work at SBXi? Claim or correct this profile.