Sumitomo Mitsui Trust Group
INSM icon

Sumitomo Mitsui Trust Group’s Insmed INSM Stock Holding History

Sumitomo Mitsui Trust 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 		$46.7M Sell
437,713
-63,569
-13% -$7.7M 0.03% 472
2026
Q1 		$82M Buy
501,282
+65,840
+15% +$10.1M 0.05% 326
2025
Q4 		$75.8M Buy
+435,442
New +$79.5M 0.04% 352

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

Sumitomo Mitsui Trust Group's INSM Position: Q2 2026 in Review

Sumitomo Mitsui Trust Group reduced its Insmed (INSM) stake by 13% in Q2 2026, selling an estimated $7.7M and leaving 437,713 shares worth $46.7M. The position accounts for 0.03% of the portfolio, ranked #472.

Sumitomo Mitsui Trust Group first reported a position in INSM in Q4 2025 and has held it in 3 quarters since. The position peaked at $82M in Q1 2026. 666 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Sumitomo Mitsui Trust Group held 437,713 shares of Insmed worth $46.7M as of Q2 2026.
  • Sumitomo Mitsui Trust Group sold 63,569 Insmed shares in Q2 2026, an estimated $7.7M.
  • Insmed made up 0.03% of Sumitomo Mitsui Trust Group's portfolio in Q2 2026, its #472 holding.
  • Sumitomo Mitsui Trust Group first reported a position in Insmed in Q4 2025 and has held it in 3 quarters since.
  • Sumitomo Mitsui Trust Group's Insmed position peaked at $82M in Q1 2026.
  • 666 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q2 2026, filed 30 Jul 2026.