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INSM icon

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
-34,000
Closed -$5.92M – 1656
2025
Q4 		$5.92M Sell
34,000
-24,200
-42% -$4.42M 0.01% 531
2025
Q3 		$8.38M Sell
58,200
-44,800
-43% -$5.49M 0.04% 377
2025
Q2 		$10.4M Buy
+103,000
New +$7.88M 0.07% 269
2025
Q1 		– Sell
-75,000
Closed -$5.18M – 1499
2024
Q4 		$5.18M Buy
75,000
+33,400
+80% +$2.41M 0.04% 376
2024
Q3 		$3.04M Sell
41,600
-32,600
-44% -$2.41M 0.02% 490
2024
Q2 		$4.97M Sell
74,200
-36,200
-33% -$1.4M 0.04% 329
2024
Q1 		$3M Buy
110,400
+70,400
+176% +$1.97M 0.03% 457
2023
Q4 		$1.24M Buy
+40,000
New +$1.04M 0.01% 541

Other funds holding INSM

JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DGM
Darwin Global Management St. Helier, Jersey $3.77B AUM 307.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

LMR Partners's INSM Position: Q1 2026 in Review

LMR Partners reduced its Insmed (INSM) stake by 97% in Q1 2026, selling an estimated $16M and leaving 3,300 shares worth $540K. The position accounts for ﹤0.01% of the portfolio, ranked #1074.

LMR Partners first reported a position in INSM in Q1 2025 and has held it in 5 quarters since. The position peaked at $18.7M in Q4 2025. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • LMR Partners held 3,300 shares of Insmed worth $540K as of Q1 2026.
  • LMR Partners sold 104,210 Insmed shares in Q1 2026, an estimated $16M.
  • Insmed made up ﹤0.01% of LMR Partners's portfolio in Q1 2026, its #1074 holding.
  • LMR Partners first reported a position in Insmed in Q1 2025 and has held it in 5 quarters since.
  • LMR Partners's Insmed position peaked at $18.7M in Q4 2025.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on LMR Partners's 13F filing for Q1 2026, filed 15 May 2026.