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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
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

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

TCW Group's INSM Position: Q1 2026 in Review

TCW Group increased its Insmed (INSM) stake by 5.1% in Q1 2026, buying an estimated $25.7K and bringing the position to 3,452 shares worth $564K. The position accounts for ﹤0.01% of the portfolio, ranked #451.

TCW Group first reported a position in INSM in Q1 2021 and has held it in 3 quarters since. The position peaked at $572K in Q4 2025. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • TCW Group held 3,452 shares of Insmed worth $564K as of Q1 2026.
  • TCW Group bought 167 Insmed shares in Q1 2026, an estimated $25.7K.
  • Insmed made up ﹤0.01% of TCW Group's portfolio in Q1 2026, its #451 holding.
  • TCW Group first reported a position in Insmed in Q1 2021 and has held it in 3 quarters since.
  • TCW Group's Insmed position peaked at $572K in Q4 2025.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on TCW Group's 13F filing for Q1 2026, filed 14 May 2026.