United States · 
Who invested in Semma Therapeutics?
Semma Therapeutics's investors include ARCH Venture Partners, F-Prime Capital, Medtronic, Eight Roads Ventures and MPM Capital, and 7 more on record.
20162017
$44MSeries A$114MSeries BUnited States · Series B startup
Who invested in Semma Therapeutics
Funding summaryUpdated 26 Oct 2026
$158Mraised across 2 rounds since 2015, from 2 sources
$44MSeries A$114MSeries B
- Latest round
- Series B, $114MNov 2017
- Step-upi
- 2.6×
- Investors
- 12
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $44M Mar 2015
- Biggest round
- $114M Series B · Nov 2017
- Between rounds
- 2.7 years from the last two
The rounds
- Nov 2017Series B$114M8 new3 returning
ARCH Venture Partners
Eight Roads Ventures
F-Prime Capital
Novartis- Medtronic
6 Dimensions Capital- Wu Capital
- JDRF T1D
ORI Capital- Cowen Healthcare Investments/ MPM
- SinoPharm
Reported by FinSMEsSEC filing: $54M sold, first sale Nov 2017
- Mar 2015Series A$44M4 new
From a historical funding recordSEC filing: $15M sold, first sale Mar 2015
Founders and team
From the SEC filings it signed: 3 on the team.
- Bastiano SannaExecutive Officer, Directori
- Kingsley TaftExecutive Officeri
- Todd FoleyExecutive Officer, Directori
On the board, as filediDaniel AuerbachKevin RaidyMark FishmanMitchell FinerStephen KnightWilliam Sahlman
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
MedtronicGrowth equity2rounds
Wu CapitalFamily office1round
JDRF T1DGrowth equity1round
Cowen Healthcare Investments/ MPMno record of our own yet1round
SinoPharmno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Semma Therapeutics
How much has Semma Therapeutics raised?
Semma Therapeutics has raised $158M across 2 rounds since 2015.
When did Semma Therapeutics last raise?
Semma Therapeutics's most recent round was a Series B of $114M in Nov 2017.
What was Semma Therapeutics's biggest round?
Its most recent round, $114M in Nov 2017, is also its largest on record.
Who backed Semma Therapeutics first?
Semma Therapeutics's first round on record, in Mar 2015, was backed by ARCH Venture Partners, F-Prime Capital and MPM Capital and 1 others.
What stage is Semma Therapeutics at?
Semma Therapeutics's latest named round is a Series B, in Nov 2017.
Where is Semma Therapeutics based?
Semma Therapeutics is based in the United States.
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