13FBOX
Flagship Pioneering, LLC · 13F Holdings
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Flagship Pioneering, LLC

No.2104 Data as of 2026Q2
Latest AUM (Q2 2026)
$1.54B
QoQ Change Q1 2026
+$378.3M+32.6%
Holdings
5
New Buys
0
Adds
0
Reduces
0
Exits
0
Unchanged
5
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
GGENERATE BIOMEDICINES INGENB
68.66%67.44%$1.06B62.7M$783.4M62.7M00.00%Unchanged
MODERNA INCMRNA
21.07%20.26%$324.4M4.6M$235.3M4.6M00.00%Unchanged
SSANA BIOTECHNOLOGY INCSANA
5.67%6.2%$87.3M25.0M$72.0M25.0M00.00%Unchanged
FFOGHORN THERAPEUTICS INCFHTX
4.02%5.22%$61.8M12.7M$60.6M12.7M00.00%Unchanged
SSERES THERAPEUTICS INCMCRB
0.59%0.88%$9.1M1.2M$10.3M1.2M00.00%Unchanged

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow