Ampersand Biomedicines

Ampersand is enabling potent mechanisms to treat disease by creating and programming therapeutics that are more efficacious, without compromising on safety or tolerability.

Health and bio

Latest funding

$65M Series B+ · March 19, 2025

Source: fundraisingfox.com

Funding history ↓

Website: ampersand.bio.

X: @AmpersandBio · 117 followers.

LinkedIn: linkedin.com.

Category: Health and bio.

Sectors: Biopharma, Biotechnology, Medical, Therapeutics.

Stage: Series B+.

Based in: Boston, United States.

Founded: 2021.

Last round: Mar 19, 2025 · 603 days ago.

Headcount: 11–50 employees.

On Recent Funding since: Nov 8, 2026.

Signals

X account@AmpersandBio · created Dec 5, 2022 (3 years old) · 117 followers

Website registeredAug 16, 2022 (4 years old)

TIMELINE · MONEY RAISED

Ampersand Biomedicines | 946 days from website to first raise on record

@AmpersandBio·Raised $65M in 1 sourced round·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

March 19, 2025
Series B+ · $65M
EEli Lilly, FFlagship Pioneering
Source: fundraisingfox.com
December 5, 2022
X account created
August 16, 2022
Website created

Founders and team

AK
Avak Kahvejian Founder

@avakk · LinkedIn · also Cellarity
NA
Noubar Afeyan Founder

@NoubarAfeyan
RA
Raffi Afeyan Founder

LinkedIn
JG
Jason Gardner CEO & Director

Acquisitions

Acquired company	Price	Announced
AAbCheck	Not disclosed publicly	Date not given

Investors

Companies like Ampersand Biomedicines

NNewLimit$435M Series B+ · Jun 2026
AAugustine Therapeutics$85M Series A · Mar 2025
OOctant BioSeries B+ · Oct 2025
FFive Alarm BioSeed · Feb 2023
MMatchpoint Therapeutics$150M Series B+ · Oct 2026
SStorm Therapeutics$56M Series B+ · Apr 2026

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/ampersand-biomedicines (get a free API key).