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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
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

JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T 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 $62.3B AUM 26.25% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Woodline Partners's INSM Position: Q1 2026 in Review

Woodline Partners increased its Insmed (INSM) stake by 14% in Q1 2026, buying an estimated $2.81M and bringing the position to 148,453 shares worth $24.3M. The position accounts for 0.09% of the portfolio, ranked #289.

Woodline Partners first reported a position in INSM in Q2 2021 and has held it in 12 quarters since. The position peaked at $25.1M in Q2 2025. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Woodline Partners held 148,453 shares of Insmed worth $24.3M as of Q1 2026.
  • Woodline Partners bought 18,301 Insmed shares in Q1 2026, an estimated $2.81M.
  • Insmed made up 0.09% of Woodline Partners's portfolio in Q1 2026, its #289 holding.
  • Woodline Partners first reported a position in Insmed in Q2 2021 and has held it in 12 quarters since.
  • Woodline Partners's Insmed position peaked at $25.1M in Q2 2025.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Woodline Partners's 13F filing for Q1 2026, filed 15 May 2026.