Asset Management One
INSM icon

Asset Management One’s Insmed INSM Stock Holding History

Asset Management One’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 		$8.48M Sell
79,510
-2,871
-3% -$348K 0.02% 510
2026
Q1 		$13.5M Buy
82,381
+1,494
+2% +$230K 0.04% 373
2025
Q4 		$14.3M Buy
+80,887
New +$14.8M 0.04% 372
2016
Q4 		– Sell
-265,927
Closed -$3.71M – 1095
2016
Q3 		$3.71M Sell
265,927
-15,747
-6% -$197K 0.06% 405
2016
Q2 		$2.78M Sell
281,674
-17,146
-6% -$200K 0.04% 492
2016
Q1 		$3.68M Buy
298,820
+6,288
+2% +$82.7K 0.05% 402
2015
Q4 		$5.55M Buy
292,532
+51,087
+21% +$900K 0.08% 284
2015
Q3 		$4.21M Sell
241,445
-16,429
-6% -$410K 0.06% 376
2015
Q2 		$6.05M Sell
257,874
-14,988
-5% -$340K 0.08% 316
2015
Q1 		$5.75M Buy
272,862
+32,372
+13% +$570K 0.07% 349
2014
Q4 		$3.73M Buy
240,490
+43,156
+22% +$612K 0.05% 494
2014
Q3 		$2.67M Buy
+197,334
New +$2.98M 0.04% 529

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

Asset Management One's INSM Position: Q2 2026 in Review

Asset Management One reduced its Insmed (INSM) stake by 3.5% in Q2 2026, selling an estimated $348K and leaving 79,510 shares worth $8.48M. The position accounts for 0.02% of the portfolio, ranked #510.

Asset Management One first reported a position in INSM in Q3 2014 and has held it in 12 quarters since. The position peaked at $14.3M in Q4 2025. 666 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Asset Management One held 79,510 shares of Insmed worth $8.48M as of Q2 2026.
  • Asset Management One sold 2,871 Insmed shares in Q2 2026, an estimated $348K.
  • Insmed made up 0.02% of Asset Management One's portfolio in Q2 2026, its #510 holding.
  • Asset Management One first reported a position in Insmed in Q3 2014 and has held it in 12 quarters since.
  • Asset Management One's Insmed position peaked at $14.3M in Q4 2025.
  • 666 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Asset Management One's 13F filing for Q2 2026, filed 28 Jul 2026.