United States · 
What does Flagship Pioneering, LLC invest in?
Flagship Pioneering, LLC invests most often at Series A and Series B (46% of the rounds on record).
Flagship Pioneering, LLC highlights
- 01
95 rounds on record
- 02
Mostly Series A and Series B: 46% of its rounds
- 03
Sole investor in 6 rounds, median $9.7M
- 04
15 exits from the portfolio
What they do
SEC Form ADV: exempt reporting adviserFrom their own website
- Type
- VC firm (from a list, unverified)
- Cheque size
- Not stated
- Based in
- Cambridge, MA, United States
- Cold pitches
- Not stated
The record
Every round we can evidence, newest first95 appearances
- 2013
8 rounds
- Dec
- Nov
- Nov
- Oct
- Apr
- Mar
- Mar
- Mar
- 2012
10 rounds
- Dec
- Dec
- Nov
- Nov
- Sept
- Jun
- May
- Mar
- Feb
- Jan
- 2011
6 rounds
- Nov
- Aug
- Jun
- Jun
- May
- Apr
- 2010
12 rounds
- Dec
- Oct
- Aug
- Jun
- Jun
- Jun
- Jun
- May
- Apr
- Apr
- Mar
- Mar
- 2009
14 rounds
- Nov
- Oct
- Sept
- Aug
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
The team
Named by the firm itself, on a filing, its Form ADV or its company registration2 named
CRCharles Robert CarelliCFOiForm ADV
NBNoubar B AfeyanCEO & PresidentiForm ADV
We also hold 2 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
What the register says
From the firm's own filings with the SEC, which it must file accurately by law
$13Bgross assets of its fundsOct 2026
Exemptreporting adviserventure or small private funds
- Legal name
- Flagship Pioneering, LLC
- SEC number
- CRD 161864
Exits from the portfolio
Companies it backed that were later bought or listed15 in all
Seahorse BioscienceBought by Agilent Technologies$235MSept 2015
LS9Bought by Renewable Energy Group$62MJan 2014
KovioBought by Thin Film Electronics ASA$3.7MJan 2014
Agios PharmaceuticalsListed$86MJun 2013
Everyday SolutionsBought by Synovia, Inc.UndisclosedSept 2012
TripAdvisorListedUndisclosedDec 2011
Accuri CytometersBought by (Becton, Dickinson and Company)UndisclosedMar 2011
AdnexusBought by Bristol-Myers Squibb$415MAug 2010
Interactive SupercomputingBought by MicrosoftUndisclosedSept 2009
Calpurnia CorporationBought by Tyco InternationalUndisclosedJul 2008
AdnexusBought by Bristol-Myers Squibb$415MSept 2007
TripAdvisorBought by ExpediaUndisclosedAug 2005
TripAdvisorBought by IAC$210MMar 2004
An exit counts when it came after the firm's first round in the company. From historical deal records.