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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 		$67.2M Buy
630,000
+586,800
+1,358% +$71.1M 0.31% 60
2026
Q1 		$7.06M Sell
43,200
-192,000
-82% -$29.5M 0.04% 428
2025
Q4 		$40.9M Sell
235,200
-142,300
-38% -$26M 0.28% 78
2025
Q3 		$54.4M Buy
377,500
+43,300
+13% +$5.3M 0.42% 40
2025
Q2 		$33.6M Buy
334,200
+281,900
+539% +$21.6M 0.37% 45
2025
Q1 		$3.99M Sell
52,300
-310,600
-86% -$23.8M 0.04% 472
2024
Q4 		$25.1M Buy
362,900
+270,100
+291% +$19.5M 0.24% 61
2024
Q3 		$6.77M Sell
92,800
-1,091,800
-92% -$80.6M 0.11% 228
2024
Q2 		$79.4M Buy
1,184,600
+1,148,800
+3,209% +$44.6M 1.22% 10
2024
Q1 		$971K Buy
+35,800
New +$1M 0.01% 744
2023
Q4 		– Sell
-112,500
Closed -$2.84M – 1497
2023
Q3 		$2.84M Buy
112,500
+24,500
+28% +$560K 0.04% 493
2023
Q2 		$1.86M Sell
88,000
-20,000
-19% -$379K 0.03% 514
2023
Q1 		$1.84M Buy
108,000
+81,000
+300% +$1.57M 0.04% 461
2022
Q4 		$539K Buy
+27,000
New +$522K 0.01% 906
2022
Q3 		– Sell
-30,000
Closed -$592K – 1665
2022
Q2 		$592K Hold
30,000
– – 0.01% 1031
2022
Q1 		$705K Buy
+30,000
New +$697K 0.01% 1072
2021
Q4 		– Sell
-90,000
Closed -$2.48M – 1751
2021
Q3 		$2.48M Buy
90,000
+30,000
+50% +$787K 0.03% 682
2021
Q2 		$1.71M Buy
+60,000
New +$1.78M 0.02% 729
2020
Q4 		– Sell
-36,700
Closed -$1.18M – 1106
2020
Q3 		$1.18M Buy
+36,700
New +$1.05M 0.03% 583
2020
Q2 		– Sell
-14,400
Closed -$231K – 1064
2020
Q1 		$231K Buy
14,400
+6,800
+89% +$161K 0.01% 681
2019
Q4 		$181K Sell
7,600
-27,400
-78% -$557K 0.01% 729
2019
Q3 		$617K Buy
+35,000
New +$676K 0.03% 464
2019
Q2 		– Sell
-30,000
Closed -$872K – 733
2019
Q1 		$872K Buy
+30,000
New +$778K 0.05% 382

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.