American Trust’s Insmed INSM Stock Holding History

American Trust’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	$280K	Buy	1,710 +196	+13%	+$30.1K	0.02%	241
2025 Q4	$263K	Sell	1,514 -39	-3%	-$7.12K	0.02%	257
2025 Q3	$224K	Buy	+1,553	New	+$190K	0.02%	290

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

American Trust's INSM Position: Q1 2026 in Review

American Trust increased its Insmed (INSM) stake by 13% in Q1 2026, buying an estimated $30.1K and bringing the position to 1,710 shares worth $280K. The position accounts for 0.02% of the portfolio, ranked #241.

American Trust first reported a position in INSM in Q3 2025 and has held it in 3 quarters since. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

American Trust held 1,710 shares of Insmed worth $280K as of Q1 2026.
American Trust bought 196 Insmed shares in Q1 2026, an estimated $30.1K.
Insmed made up 0.02% of American Trust's portfolio in Q1 2026, its #241 holding.
American Trust first reported a position in Insmed in Q3 2025 and has held it in 3 quarters since.
669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on American Trust's 13F filing for Q1 2026, filed 1 May 2026.