National Pension Service
INSM icon

National Pension Service’s Insmed INSM Stock Holding History

National Pension Service’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 		$2.84M Sell
26,678
-285,203
-91% -$34.5M ﹤0.01% 477
2026
Q1 		$51M Buy
311,881
+31,439
+11% +$4.83M 0.04% 331
2025
Q4 		$48.8M Buy
+280,442
New +$51.2M 0.04% 334

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

National Pension Service's INSM Position: Q2 2026 in Review

National Pension Service reduced its Insmed (INSM) stake by 91% in Q2 2026, selling an estimated $34.5M and leaving 26,678 shares worth $2.84M. The position accounts for ﹤0.01% of the portfolio, ranked #477.

National Pension Service first reported a position in INSM in Q4 2025 and has held it in 3 quarters since. The position peaked at $51M in Q1 2026. 667 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • National Pension Service held 26,678 shares of Insmed worth $2.84M as of Q2 2026.
  • National Pension Service sold 285,203 Insmed shares in Q2 2026, an estimated $34.5M.
  • Insmed made up ﹤0.01% of National Pension Service's portfolio in Q2 2026, its #477 holding.
  • National Pension Service first reported a position in Insmed in Q4 2025 and has held it in 3 quarters since.
  • National Pension Service's Insmed position peaked at $51M in Q1 2026.
  • 667 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on National Pension Service's 13F filing for Q2 2026, filed 13 Aug 2026.