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Woodline Partners’s Insmed INSM Stock Holding History

Woodline Partners’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 		$16.3M Buy
152,618
+4,165
+3% +$504K 0.05% 414
2026
Q1 		$24.3M Buy
148,453
+18,301
+14% +$2.81M 0.09% 289
2025
Q4 		$22.7M Buy
130,152
+3,890
+3% +$710K 0.09% 289
2025
Q3 		$18.2M Sell
126,262
-122,659
-49% -$15M 0.09% 306
2025
Q2 		$25.1M Buy
248,921
+151
+0.1% +$11.5K 0.13% 232
2025
Q1 		$19M Buy
248,770
+86,540
+53% +$6.62M 0.12% 238
2024
Q4 		$11.2M Sell
162,230
-54,149
-25% -$3.9M 0.08% 316
2024
Q3 		$15.8M Buy
216,379
+61,224
+39% +$4.52M 0.13% 221
2024
Q2 		$10.4M Buy
+155,155
New +$6.02M 0.1% 243
2023
Q1 		– Sell
-190,000
Closed -$3.8M – 704
2022
Q4 		$3.8M Buy
+190,000
New +$3.67M 0.05% 358
2022
Q1 		– Sell
-100,185
Closed -$2.73M – 770
2021
Q4 		$2.73M Sell
100,185
-113,783
-53% -$3.25M 0.04% 379
2021
Q3 		$5.89M Sell
213,968
-182,583
-46% -$4.79M 0.1% 232
2021
Q2 		$11.3M Buy
+396,551
New +$11.8M 0.21% 122

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

Woodline Partners's INSM Position: Q2 2026 in Review

Woodline Partners increased its Insmed (INSM) stake by 2.8% in Q2 2026, buying an estimated $504K and bringing the position to 152,618 shares worth $16.3M. The position accounts for 0.05% of the portfolio, ranked #414.

Woodline Partners first reported a position in INSM in Q2 2021 and has held it in 13 quarters since. The position peaked at $25.1M in Q2 2025. 665 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Woodline Partners held 152,618 shares of Insmed worth $16.3M as of Q2 2026.
  • Woodline Partners bought 4,165 Insmed shares in Q2 2026, an estimated $504K.
  • Insmed made up 0.05% of Woodline Partners's portfolio in Q2 2026, its #414 holding.
  • Woodline Partners first reported a position in Insmed in Q2 2021 and has held it in 13 quarters since.
  • Woodline Partners's Insmed position peaked at $25.1M in Q2 2025.
  • 665 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Woodline Partners's 13F filing for Q2 2026, filed 14 Aug 2026.