DFO
INSM icon

Duquesne Family Office’s Insmed INSM Stock Holding History

Duquesne Family Office’s Portfolio INSM Stock Details INSM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$189M Sell
1,154,090
-327,662
-22% -$50.4M 6.43% 2
2025
Q4 		$258M Sell
1,481,752
-941,683
-39% -$172M 6.11% 3
2025
Q3 		$349M Buy
2,423,435
+170,000
+8% +$20.8M 8.88% 2
2025
Q2 		$227M Buy
2,253,435
+884,385
+65% +$67.6M 5.79% 3
2025
Q1 		$104M Buy
1,369,050
+775,580
+131% +$59.3M 3.5% 8
2024
Q4 		$41M Buy
593,470
+573,470
+2,867% +$41.3M 1.15% 28
2024
Q3 		$1.46M Hold
20,000
– – 0.05% 72
2024
Q2 		$1.34M Buy
+20,000
New +$776K 0.05% 60
2020
Q3 		– Sell
-1,227,400
Closed -$33.8M – 73
2020
Q2 		$33.8M Buy
+1,227,400
New +$29.1M 1.04% 27

Other funds holding INSM

JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
DGM
Darwin Global Management St. Helier, Jersey $3.77B AUM 307.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $61.3B AUM 26.25% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $127B AUM 43.98% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return