Institutions / Flagship Pioneering Fund VI, L.P.

Flagship Pioneering Fund VI, L.P.

CIK 1400240 · Institutionalso an insider · as of Mar 31, 2026
Portfolio value
$1.16B
Positions
5
As of
Mar 31, 2026

Portfolio trend

Portfolio value

$1.16B+258.5%
$1.16B$742.80M$324.04MQ4 '25Q1 '26

Positions

5+25.0%
554Q4 '25Q1 '26

Top holdings

Mar 31, 2026
CompanyClassValueShares% of portfolio
Generate Biomedicines, Inc.—$783.41M62,673,11767.4%
Moderna, Inc.—$235.31M4,632,14920.3%
Sana Biotechnology, Inc.—$72.01M25,001,8566.2%
Foghorn Therapeutics Inc.—$60.58M12,674,1205.2%
Seres Therapeutics, Inc.MCRBCommon Stock$10.25M1,155,8500.9%

Activity

Mar 31, 2026View full history →
InsidersInstitutions
This fund's 13F position changes — what it's buying and selling.
DateActionCompanyValueShares ΔPosition afterImpact
Q1 2026
as of
NewGenerate Biomedicines, Inc.$783.41M+62.7M
62,673,117
67.44% of portfolio
high

Insider transactions

Also files Forms 3 / 4 / 5
DateActionCompanyValueShares ΔPosition afterImpact
Jan 13, 2026GrantFHTX
Foghorn Therapeutics Inc.
Series 2 Warrants to purchase Common Stock
—+1.1M
1,117,734
1.88% of shares
low
Jan 13, 2026GrantFHTX
Foghorn Therapeutics Inc.
Series 1 Warrants to purchase Common Stock
—+1.1M
1,117,734
1.88% of shares
low
Jan 13, 2026GrantFHTX
Foghorn Therapeutics Inc.
Pre-Funded Warrants to purchase Common Stock
—+2.2M
2,235,468
3.76% of shares
low