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Winton Group’s Insmed INSM Stock Holding History

Winton Group’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 		$400K Buy
+3,753
New +$454K 0.01% 776
2025
Q3 		– Sell
-22,268
Closed -$2.24M – 873
2025
Q2 		$2.24M Buy
+22,268
New +$1.7M 0.11% 235
2024
Q3 		– Sell
-12,884
Closed -$863K – 706
2024
Q2 		$863K Sell
12,884
-16,910
-57% -$656K 0.06% 353
2024
Q1 		$808K Buy
+29,794
New +$834K 0.06% 376
2023
Q1 		– Sell
-11,919
Closed -$238K – 1013
2022
Q4 		$238K Sell
11,919
-1,567
-12% -$30.3K 0.02% 832
2022
Q3 		$290K Buy
+13,486
New +$323K 0.02% 805
2022
Q1 		– Sell
-13,137
Closed -$358K – 1055
2021
Q4 		$358K Buy
+13,137
New +$376K 0.02% 776
2021
Q2 		– Sell
-10,858
Closed -$370K – 1462
2021
Q1 		$370K Sell
10,858
-8,388
-44% -$321K 0.02% 1038
2020
Q4 		$641K Sell
19,246
-16,067
-45% -$587K 0.05% 660
2020
Q3 		$1.14M Buy
35,313
+21,629
+158% +$622K 0.04% 770
2020
Q2 		$377K Buy
+13,684
New +$324K 0.01% 1239
2018
Q3 		– Sell
-9,534
Closed -$225K – 1060
2018
Q2 		$225K Sell
9,534
-11,722
-55% -$302K 0.01% 940
2018
Q1 		$479K Buy
+21,256
New +$559K 0.01% 802

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

Winton Group's INSM Position: Q2 2026 in Review

Winton Group opened a new position in Insmed (INSM) in Q2 2026: 3,753 shares worth $400K. The stake represents 0.01% of the portfolio and ranks #776 among its holdings. This is a return to the name: Winton Group previously reported a position in INSM as recently as Q2 2025.

Winton Group first reported a position in INSM in Q1 2018 and has held it in 13 quarters since. The position peaked at $2.24M in Q2 2025. 667 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Winton Group held 3,753 shares of Insmed worth $400K as of Q2 2026.
  • Insmed was a new Winton Group position in Q2 2026.
  • Insmed made up 0.01% of Winton Group's portfolio in Q2 2026, its #776 holding.
  • Winton Group first reported a position in Insmed in Q1 2018 and has held it in 13 quarters since.
  • Winton Group's Insmed position peaked at $2.24M in Q2 2025.
  • 667 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.