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Caption Management’s Insmed INSM Stock Holding History

Caption 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 		$25.2M Buy
+236,000
New +$28.6M 0.12% 180
2026
Q1 		– Sell
-130,000
Closed -$20M – 1786
2025
Q4 		$22.6M Buy
130,000
+129,919
+160,394% +$23.7M 0.16% 153
2025
Q3 		$11.7K Sell
81
-210,847
-100% -$25.8M ﹤0.01% 1591
2025
Q2 		$21.2M Buy
+210,928
New +$16.1M 0.24% 87
2025
Q1 		– Sell
-348,994
Closed -$26.7M – 1778
2024
Q4 		$24.1M Buy
348,994
+250,194
+253% +$18M 0.23% 63
2024
Q3 		$7.21M Buy
+98,800
New +$7.29M 0.12% 213
2024
Q2 		– Sell
-99,888
Closed -$3.87M – 1328
2024
Q1 		$2.71M Buy
+99,888
New +$2.8M 0.04% 455
2023
Q3 		– Sell
-100,000
Closed -$2.29M – 1386
2023
Q2 		$2.11M Buy
100,000
+86,700
+652% +$1.64M 0.04% 483
2023
Q1 		$227K Buy
+13,300
New +$258K ﹤0.01% 910
2022
Q4 		– Sell
-7,000
Closed -$135K – 1478
2022
Q3 		$151K Sell
7,000
-8,000
-53% -$192K ﹤0.01% 1277
2022
Q2 		$296K Sell
15,000
-15,000
-50% -$314K ﹤0.01% 1178
2022
Q1 		$705K Buy
+30,000
New +$697K 0.01% 1073
2021
Q4 		– Sell
-35,000
Closed -$964K – 1752
2021
Q3 		$964K Buy
+35,000
New +$918K 0.01% 1033
2021
Q1 		– Sell
-12,800
Closed -$427K – 1222
2020
Q4 		$427K Buy
+12,800
New +$468K 0.01% 763
2020
Q2 		– Sell
-15,000
Closed -$240K – 1065
2020
Q1 		$240K Sell
15,000
-70,000
-82% -$1.66M 0.01% 672
2019
Q4 		$2.03M Buy
85,000
+25,000
+42% +$509K 0.07% 350
2019
Q3 		$1.06M Buy
60,000
+30,000
+100% +$579K 0.06% 369
2019
Q2 		$768K Sell
30,000
-47,500
-61% -$1.32M 0.04% 412
2019
Q1 		$2.25M Sell
77,500
-128,700
-62% -$3.34M 0.12% 218
2018
Q4 		$2.71M Buy
+206,200
New +$3.29M 0.22% 140

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

Caption Management's INSM Position: Q2 2026 in Review

Caption Management opened a new position in Insmed (INSM) in Q2 2026: 236,000 shares worth $25.2M. The stake represents 0.12% of the portfolio and ranks #180 among its holdings. This is a return to the name: Caption Management previously reported a position in INSM as recently as Q4 2025.

Caption Management first reported a position in INSM in Q4 2018 and has held it in 20 quarters since. 665 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Caption Management held 236,000 shares of Insmed worth $25.2M as of Q2 2026.
  • Insmed was a new Caption Management position in Q2 2026.
  • Insmed made up 0.12% of Caption Management's portfolio in Q2 2026, its #180 holding.
  • Caption Management first reported a position in Insmed in Q4 2018 and has held it in 20 quarters since.
  • 665 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Caption Management's 13F filing for Q2 2026, filed 14 Aug 2026.