Massachusetts

Xontogeny

Xontogeny, based in Massachusetts, backs Seed-stage life sciences startups, typically following other investors, with notable investments including Apogee Therapeutics and Solid Biosciences.

Entry stageSeed
Check sizen/a
Leads roundsMostly follows
FocusLife sciences
Latest fundn/a
Investing team6 peopleNo activity since Sep

Who you would pitch at Xontogeny

6 people on the investing team, 2 of them partners who can make the call. Partners are listed first.

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Check size not reported yet.

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

How to reach them[email protected]

Notable investments

Apogee TherapeuticsAstria TherapeuticsCargo TherapeuticsSolid BiosciencesLandos BiopharmaForge BiologicsA-Alpha BioLian BioSurf BioNeurosterix

In their words

Designing Success Into Your Life Sciences Venture - XontogenyXontogeny is a life sciences accelerator that collaborates with entrepreneurs, scientific founders and first-time CEOs to drive the successful development of their technoxontogeny.com
Founders and investors at a Mode VC gathering

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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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Alert me when Xontogeny is active

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

Firms like Xontogeny

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Questions

What stage does Xontogeny invest in?

Xontogeny reports entry at seed.

How much does Xontogeny invest?

Xontogeny has not reported a check size.

Does Xontogeny lead rounds?

Xontogeny mostly follows other investors.

Who are the partners at Xontogeny?

Fred Callori (Senior Partner), Gianna Hoffman-Luca (Partner).

Is Xontogeny active right now?

No recent activity since September 2026.

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