Robeco Institutional Asset Management
INSM icon

Robeco Institutional Asset Management’s Insmed INSM Stock Holding History

Robeco Institutional Asset 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 		$2.78M Buy
26,115
+5,341
+26% +$647K ﹤0.01% 622
2026
Q1 		$3.4M Buy
20,774
+19,102
+1,142% +$2.94M ﹤0.01% 603
2025
Q4 		$291K Buy
+1,672
New +$305K ﹤0.01% 801

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

Robeco Institutional Asset Management's INSM Position: Q2 2026 in Review

Robeco Institutional Asset Management increased its Insmed (INSM) stake by 26% in Q2 2026, buying an estimated $647K and bringing the position to 26,115 shares worth $2.78M. The position accounts for ﹤0.01% of the portfolio, ranked #622.

Robeco Institutional Asset Management first reported a position in INSM in Q4 2025 and has held it in 3 quarters since. The position peaked at $3.4M in Q1 2026. 667 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Robeco Institutional Asset Management held 26,115 shares of Insmed worth $2.78M as of Q2 2026.
  • Robeco Institutional Asset Management bought 5,341 Insmed shares in Q2 2026, an estimated $647K.
  • Insmed made up ﹤0.01% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #622 holding.
  • Robeco Institutional Asset Management first reported a position in Insmed in Q4 2025 and has held it in 3 quarters since.
  • Robeco Institutional Asset Management's Insmed position peaked at $3.4M in Q1 2026.
  • 667 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.