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HighVista Strategies’s Insmed INSM Stock Holding History

HighVista Strategies’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 		$3.98M Sell
24,316
-15,084
-38% -$2.32M 1.1% 18
2025
Q4 		$6.86M Sell
39,400
-10,549
-21% -$1.92M 1.77% 12
2025
Q3 		$7.19M Buy
49,949
+38,354
+331% +$4.7M 1.76% 12
2025
Q2 		$1.17M Sell
11,595
-9,845
-46% -$753K 0.43% 98
2025
Q1 		$1.64M Sell
21,440
-6,172
-22% -$472K 0.63% 56
2024
Q4 		$1.91M Sell
27,612
-17,835
-39% -$1.28M 0.71% 46
2024
Q3 		$3.32M Sell
45,447
-81,333
-64% -$6M 1.14% 21
2024
Q2 		$8.49M Hold
126,780
– – 3.1% 2
2024
Q1 		$3.44M Hold
126,780
– – 1.23% 24
2023
Q4 		$3.93M Buy
126,780
+46,780
+58% +$1.21M 1.43% 18
2023
Q3 		$2.02M Buy
+80,000
New +$1.83M 0.93% 30
2020
Q4 		– Sell
-17,635
Closed -$567K – 127
2020
Q3 		$567K Buy
17,635
+1,729
+11% +$49.7K 0.41% 31
2020
Q2 		$438K Buy
+15,906
New +$377K 0.36% 37

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

HighVista Strategies's INSM Position: Q1 2026 in Review

HighVista Strategies reduced its Insmed (INSM) stake by 38% in Q1 2026, selling an estimated $2.32M and leaving 24,316 shares worth $3.98M. The position accounts for 1.1% of the portfolio, ranked #18.

HighVista Strategies first reported a position in INSM in Q2 2020 and has held it in 13 quarters since. The position peaked at $8.49M in Q2 2024. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • HighVista Strategies held 24,316 shares of Insmed worth $3.98M as of Q1 2026.
  • HighVista Strategies sold 15,084 Insmed shares in Q1 2026, an estimated $2.32M.
  • Insmed made up 1.1% of HighVista Strategies's portfolio in Q1 2026, its #18 holding.
  • HighVista Strategies first reported a position in Insmed in Q2 2020 and has held it in 13 quarters since.
  • HighVista Strategies's Insmed position peaked at $8.49M in Q2 2024.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on HighVista Strategies's 13F filing for Q1 2026, filed 15 May 2026.