Flagship Pioneering
CAMBRIDGE, MAfiles as Flagship Pioneering, LLC
$1.5bn in 5 US stocks at the end of 30 June 2026. The top 10 are 100.0% of the money. It changed about 2.0% of the portfolio this quarter.
Value
$1.5bn
Stocks
5
Top 10 share
100.0%
Turnover
2.0%
What changed this quarter
New
Bought for the first time this quarter.
None this quarter.
Added
Bought more of a stock they already held.
None this quarter.
Cut
Sold some of their stake.
None this quarter.
Sold out
Sold their entire stake.
None this quarter.
Holdings
- Generate BiomedicinesGENB
- Share
- 68.7%
- Value
- $1.1bn
- Shares
- 62,673,117
Held
| Company | Share of fund | Value | Shares | Change |
|---|---|---|---|---|
| Generate BiomedicinesGENB | 68.7% | $1.1bn | 62,673,117 | Held |
| ModernaMRNA | 21.1% | $324m | 4,632,149 | Held |
| Sana BiotechnologySANA | 5.7% | $87m | 25,001,856 | Held |
| Foghorn TherapeuticsFHTX | 4.0% | $62m | 12,674,120 | Held |
| Seres TherapeuticsMCRB | 0.6% | $9m | 1,155,850 | Held |
Over time and by industry
Value over time
Jun '25
Dec '25
Jun '26
Value is up 473.6% since 30 June 2025.
Where the money is
Health care100.0%
From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.