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LMR Partners’s Insmed INSM Stock Holding History

LMR Partners’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
Q1 		– Sell
-271,400
Closed -$47.2M – 1657
2025
Q4 		$47.2M Buy
+271,400
New +$49.5M 0.09% 103
2025
Q1 		– Sell
-600
Closed -$41.4K – 1500
2024
Q4 		$41.4K Buy
+600
New +$43.2K ﹤0.01% 1048
2024
Q3 		– Sell
-55,500
Closed -$3.72M – 1396
2024
Q2 		$3.72M Buy
55,500
+41,700
+302% +$1.62M 0.03% 397
2024
Q1 		$374K Buy
+13,800
New +$386K ﹤0.01% 799

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

LMR Partners's INSM Position: Q2 2026 in Review

LMR Partners increased its Insmed (INSM) stake by 155% in Q2 2026, buying an estimated $618K and bringing the position to 8,400 shares worth $896K. The position accounts for ﹤0.01% of the portfolio, ranked #1073.

LMR Partners first reported a position in INSM in Q1 2025 and has held it in 6 quarters since. The position peaked at $18.7M in Q4 2025. 666 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • LMR Partners held 8,400 shares of Insmed worth $896K as of Q2 2026.
  • LMR Partners bought 5,100 Insmed shares in Q2 2026, an estimated $618K.
  • Insmed made up ﹤0.01% of LMR Partners's portfolio in Q2 2026, its #1073 holding.
  • LMR Partners first reported a position in Insmed in Q1 2025 and has held it in 6 quarters since.
  • LMR Partners's Insmed position peaked at $18.7M in Q4 2025.
  • 666 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on LMR Partners's 13F filing for Q2 2026, filed 14 Aug 2026.