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
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

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

National Pension Service's INSM Position: Q1 2026 in Review

National Pension Service increased its Insmed (INSM) stake by 11% in Q1 2026, buying an estimated $4.83M and bringing the position to 311,881 shares worth $51M. The position accounts for 0.04% of the portfolio, ranked #331.

National Pension Service first reported a position in INSM in Q4 2025 and has held it in 2 quarters since. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • National Pension Service held 311,881 shares of Insmed worth $51M as of Q1 2026.
  • National Pension Service bought 31,439 Insmed shares in Q1 2026, an estimated $4.83M.
  • Insmed made up 0.04% of National Pension Service's portfolio in Q1 2026, its #331 holding.
  • National Pension Service first reported a position in Insmed in Q4 2025 and has held it in 2 quarters since.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on National Pension Service's 13F filing for Q1 2026, filed 12 May 2026.