Bank of America’s Insmed INSM Stock Holding History

Bank of America’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	-222,300	Closed	-$32M	–	7836
2025 Q3	$32M	Buy	222,300 +210,000	+1,707%	+$25.7M	﹤0.01%	2149
2025 Q2	$1.24M	Buy	+12,300	New	+$940K	﹤0.01%	5148
2017 Q4	–	Sell	-55,400	Closed	-$1.73M	–	7127
2017 Q3	$1.73M	Buy	+55,400	New	+$1.06M	﹤0.01%	4100

Other funds holding INSM

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

BlackRock New York $6.73T AUM 46.02% 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

Bank of America's INSM Position: Q1 2026 in Review

Bank of America reduced its Insmed (INSM) stake by 13% in Q1 2026, selling an estimated $34.3M and leaving 1,502,281 shares worth $246M. The position accounts for 0.02% of the portfolio, ranked #633.

Bank of America first reported a position in INSM in Q2 2013 and has held it in 52 quarters since. The position peaked at $300M in Q4 2025. 673 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

Bank of America held 1,502,281 shares of Insmed worth $246M as of Q1 2026.
Bank of America sold 223,400 Insmed shares in Q1 2026, an estimated $34.3M.
Insmed made up 0.02% of Bank of America's portfolio in Q1 2026, its #633 holding.
Bank of America first reported a position in Insmed in Q2 2013 and has held it in 52 quarters since.
Bank of America's Insmed position peaked at $300M in Q4 2025.
673 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Bank of America's 13F filing for Q1 2026, filed 18 May 2026.