CAU
INSM icon

Caxton Associates (UK)’s Insmed INSM Stock Holding History

Caxton Associates (UK)’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 		$504K Buy
+4,726
New +$572K 0.01% 537
2025
Q2 		– Sell
-5,785
Closed -$441K – 791
2025
Q1 		$441K Buy
+5,785
New +$443K 0.02% 523

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

Caxton Associates (UK)'s INSM Position: Q2 2026 in Review

Caxton Associates (UK) opened a new position in Insmed (INSM) in Q2 2026: 4,726 shares worth $504K. The stake represents 0.01% of the portfolio and ranks #537 among its holdings. This is a return to the name: Caxton Associates (UK) previously reported a position in INSM as recently as Q1 2025.

Caxton Associates (UK) first reported a position in INSM in Q1 2025 and has held it in 2 quarters since. 667 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Caxton Associates (UK) held 4,726 shares of Insmed worth $504K as of Q2 2026.
  • Insmed was a new Caxton Associates (UK) position in Q2 2026.
  • Insmed made up 0.01% of Caxton Associates (UK)'s portfolio in Q2 2026, its #537 holding.
  • Caxton Associates (UK) first reported a position in Insmed in Q1 2025 and has held it in 2 quarters since.
  • 667 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Caxton Associates (UK)'s 13F filing for Q2 2026, filed 14 Aug 2026.