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Summit Partners Public Asset Management’s Insmed INSM Stock Holding History

Summit Partners Public Asset Management’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
Q2 		– Sell
-653,445
Closed -$107M – 189
2026
Q1 		$107M Sell
653,445
-255,635
-28% -$39.3M 2.87% 5
2025
Q4 		$158M Sell
909,080
-132,765
-13% -$24.2M 3.29% 3
2025
Q3 		$150M Buy
1,041,845
+32,908
+3% +$4.03M 3.11% 3
2025
Q2 		$102M Buy
1,008,937
+304,571
+43% +$23.3M 2.57% 7
2025
Q1 		$53.7M Buy
704,366
+65,518
+10% +$5.01M 1.38% 21
2024
Q4 		$44.1M Buy
638,848
+60,492
+10% +$4.36M 0.84% 45
2024
Q3 		$42.2M Buy
578,356
+306,821
+113% +$22.6M 1.31% 29
2024
Q2 		$18.2M Buy
+271,535
New +$10.5M 0.7% 50
2024
Q1 		– Sell
-338,491
Closed -$9.47M – 152
2023
Q4 		$10.5M Buy
+338,491
New +$8.78M 0.44% 80

Other funds holding INSM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
DGM
Darwin Global Management St. Helier, Jersey $3.76B AUM 342.13% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Summit Partners Public Asset Management's INSM Position: Q2 2026 in Review

Summit Partners Public Asset Management sold out of Insmed (INSM) in Q2 2026, closing a stake of 653,445 shares — an estimated $107M sold.

Summit Partners Public Asset Management first reported a position in INSM in Q4 2023 and held it in 9 quarters. The position peaked at $158M in Q4 2025. 665 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Summit Partners Public Asset Management reported no remaining Insmed position as of Q2 2026 after selling out during the quarter.
  • Summit Partners Public Asset Management sold 653,445 Insmed shares in Q2 2026, an estimated $107M.
  • Summit Partners Public Asset Management first reported a position in Insmed in Q4 2023 and held it in 9 quarters.
  • Summit Partners Public Asset Management's Insmed position peaked at $158M in Q4 2025.
  • 665 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.