Sumitomo Mitsui Trust Group
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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
Q3 		$52M Buy
455,298
+17,585
+4% +$2.07M 0.03% 427
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

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
Amundi
Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return
Fiera Capital (Canada)
Fiera Capital (Canada) Montreal, Quebec, Canada $25.3B AUM 15.9% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $72.4B AUM 24.61% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.8B AUM 33.92% 1-Year Est. Return

Sumitomo Mitsui Trust Group's INSM Position: Q3 2026 in Review

Sumitomo Mitsui Trust Group increased its Insmed (INSM) stake by 4% in Q3 2026, buying an estimated $2.07M and bringing the position to 455,298 shares worth $52M. The position accounts for 0.03% of the portfolio, ranked #427.

Sumitomo Mitsui Trust Group first reported a position in INSM in Q4 2025 and has held it in 4 quarters since. The position peaked at $82M in Q1 2026. 332 funds tracked by Wall St. Rank hold INSM as of Q3 2026.

  • Sumitomo Mitsui Trust Group held 455,298 shares of Insmed worth $52M as of Q3 2026.
  • Sumitomo Mitsui Trust Group bought 17,585 Insmed shares in Q3 2026, an estimated $2.07M.
  • Insmed made up 0.03% of Sumitomo Mitsui Trust Group's portfolio in Q3 2026, its #427 holding.
  • Sumitomo Mitsui Trust Group first reported a position in Insmed in Q4 2025 and has held it in 4 quarters since.
  • Sumitomo Mitsui Trust Group's Insmed position peaked at $82M in Q1 2026.
  • 332 funds tracked by Wall St. Rank held Insmed as of Q3 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q3 2026, filed 29 Oct 2026.