Ameriprise’s Insmed INSM Stock Holding History

Ameriprise’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
2025 Q4	–	Sell	-19,700	Closed	-$2.84M	–	4143
2025 Q3	$2.84M	Buy	+19,700	New	+$2.41M	﹤0.01%	2801
2025 Q1	–	Sell	-28,900	Closed	-$2M	–	4090
2024 Q4	$2M	Buy	+28,900	New	+$2.08M	﹤0.01%	2930

Other funds holding INSM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

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 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

OAG

Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Ameriprise's INSM Position: Q2 2026 in Review

Ameriprise increased its Insmed (INSM) stake by 102% in Q2 2026, buying an estimated $378M and bringing the position to 6,179,571 shares worth $659M. The position accounts for 0.13% of the portfolio, ranked #166.

Ameriprise first reported a position in INSM in Q2 2013 and has held it in 53 quarters since. 665 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

Ameriprise held 6,179,571 shares of Insmed worth $659M as of Q2 2026.
Ameriprise bought 3,121,853 Insmed shares in Q2 2026, an estimated $378M.
Insmed made up 0.13% of Ameriprise's portfolio in Q2 2026, its #166 holding.
Ameriprise first reported a position in Insmed in Q2 2013 and has held it in 53 quarters since.
665 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Ameriprise's 13F filing for Q2 2026, filed 14 Aug 2026.