UBS O'Connor’s Insmed INSM Stock Holding History

UBS O'Connor’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 Q3	–	Sell	-27,000	Closed	-$138K	–	364
2025 Q2	$138K	Buy	+27,000	New	+$2.06M	﹤0.01%	307

Other funds holding INSM

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

DGM

Darwin Global Management St. Helier, Jersey $3.76B AUM 342.13% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

UBS O'Connor's INSM Position: Q3 2025 in Review

UBS O'Connor sold out of Insmed (INSM) in Q3 2025, closing a stake of 26,301 shares — an estimated $2.65M sold.

UBS O'Connor first reported a position in INSM in Q3 2014 and held it in 19 quarters. The position peaked at $8.35M in Q1 2015. 566 funds tracked by Wall St. Rank hold INSM as of Q3 2025.

UBS O'Connor reported no remaining Insmed position as of Q3 2025 after selling out during the quarter.
UBS O'Connor sold 26,301 Insmed shares in Q3 2025, an estimated $2.65M.
UBS O'Connor first reported a position in Insmed in Q3 2014 and held it in 19 quarters.
UBS O'Connor's Insmed position peaked at $8.35M in Q1 2015.
566 funds tracked by Wall St. Rank held Insmed as of Q3 2025.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.