Ostrum Asset Management’s Insmed INSM Stock Holding History

Ostrum Asset Management’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	$361K	Buy	3,385 +1,557	+85%	+$189K	0.02%	414
2026 Q1	$299K	Buy	1,828 +27	+1%	+$4.15K	0.02%	428
2025 Q4	$313K	Buy	+1,801	New	+$329K	0.02%	422

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

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

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

Ostrum Asset Management increased its Insmed (INSM) stake by 85% in Q2 2026, buying an estimated $189K and bringing the position to 3,385 shares worth $361K. The position accounts for 0.02% of the portfolio, ranked #414.

Ostrum Asset Management first reported a position in INSM in Q4 2025 and has held it in 3 quarters since. 666 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

Ostrum Asset Management held 3,385 shares of Insmed worth $361K as of Q2 2026.
Ostrum Asset Management bought 1,557 Insmed shares in Q2 2026, an estimated $189K.
Insmed made up 0.02% of Ostrum Asset Management's portfolio in Q2 2026, its #414 holding.
Ostrum Asset Management first reported a position in Insmed in Q4 2025 and has held it in 3 quarters since.
666 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Ostrum Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.