Laurion Capital Management’s Insmed INSM Stock Holding History

Laurion Capital 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
2025 Q3	–	Sell	-14,347	Closed	-$1.44M	–	337
2025 Q2	$1.44M	Buy	+14,347	New	+$1.1M	0.03%	182
2024 Q2	–	Sell	-28,173	Closed	-$764K	–	649
2024 Q1	$764K	Hold	28,173	–	–	0.01%	401
2023 Q4	$873K	Buy	+28,173	New	+$731K	0.01%	353
2020 Q4	–	Sell	-27,700	Closed	-$890K	–	795
2020 Q3	$890K	Buy	+27,700	New	+$796K	0.01%	473
2019 Q3	–	Sell	-350,865	Closed	-$8.98M	–	1144
2019 Q2	$8.98M	Buy	+350,865	New	+$9.77M	0.09%	200
2017 Q4	–	Sell	-31,981	Closed	-$998K	–	1665
2017 Q3	$998K	Buy	+31,981	New	+$609K	﹤0.01%	972

Other funds holding INSM

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

DGM

Darwin Global Management St. Helier, Jersey $3.77B AUM 307.72% 1-Year Est. Return

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

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

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

Laurion Capital Management's INSM Position: Q3 2025 in Review

Laurion Capital Management sold out of Insmed (INSM) in Q3 2025, closing a stake of 14,347 shares — an estimated $1.44M sold.

Laurion Capital Management first reported a position in INSM in Q3 2017 and held it in 6 quarters. The position peaked at $8.98M in Q2 2019. 566 funds tracked by Wall St. Rank hold INSM as of Q3 2025.

Laurion Capital Management reported no remaining Insmed position as of Q3 2025 after selling out during the quarter.
Laurion Capital Management sold 14,347 Insmed shares in Q3 2025, an estimated $1.44M.
Laurion Capital Management first reported a position in Insmed in Q3 2017 and held it in 6 quarters.
Laurion Capital Management's Insmed position peaked at $8.98M in Q2 2019.
566 funds tracked by Wall St. Rank held Insmed as of Q3 2025.

Based on Laurion Capital Management's 13F filing for Q3 2025, filed 17 Nov 2025.