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TCW Group’s Insmed INSM Stock Holding History

TCW 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 		$384K Buy
3,604
+152
+4% +$18.4K ﹤0.01% 550
2026
Q1 		$564K Buy
3,452
+167
+5% +$25.7K ﹤0.01% 451
2025
Q4 		$572K Buy
+3,285
New +$599K ﹤0.01% 445
2021
Q2 		– Sell
-14,508
Closed -$494K – 351
2021
Q1 		$494K Buy
+14,508
New +$554K ﹤0.01% 316

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

TCW Group's INSM Position: Q2 2026 in Review

TCW Group increased its Insmed (INSM) stake by 4.4% in Q2 2026, buying an estimated $18.4K and bringing the position to 3,604 shares worth $384K. The position accounts for ﹤0.01% of the portfolio, ranked #550.

TCW Group first reported a position in INSM in Q1 2021 and has held it in 4 quarters since. The position peaked at $572K in Q4 2025. 666 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • TCW Group held 3,604 shares of Insmed worth $384K as of Q2 2026.
  • TCW Group bought 152 Insmed shares in Q2 2026, an estimated $18.4K.
  • Insmed made up ﹤0.01% of TCW Group's portfolio in Q2 2026, its #550 holding.
  • TCW Group first reported a position in Insmed in Q1 2021 and has held it in 4 quarters since.
  • TCW Group's Insmed position peaked at $572K in Q4 2025.
  • 666 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on TCW Group's 13F filing for Q2 2026, filed 3 Aug 2026.