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

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

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 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 Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Ameriprise's INSM Position: Q1 2026 in Review

Ameriprise increased its Insmed (INSM) stake by 55% in Q1 2026, buying an estimated $167M and bringing the position to 3,057,718 shares worth $500M. The position accounts for 0.12% of the portfolio, ranked #194.

Ameriprise first reported a position in INSM in Q2 2013 and has held it in 52 quarters since. 670 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

Ameriprise held 3,057,718 shares of Insmed worth $500M as of Q1 2026.
Ameriprise bought 1,088,861 Insmed shares in Q1 2026, an estimated $167M.
Insmed made up 0.12% of Ameriprise's portfolio in Q1 2026, its #194 holding.
Ameriprise first reported a position in Insmed in Q2 2013 and has held it in 52 quarters since.
670 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Ameriprise's 13F filing for Q1 2026, filed 15 May 2026.