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
2026 Q2	$611K	Buy	+5,728	New	+$694K	0.02%	279
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

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

Laurion Capital Management's INSM Position: Q2 2026 in Review

Laurion Capital Management opened a new position in Insmed (INSM) in Q2 2026: 5,728 shares worth $611K. The stake represents 0.02% of the portfolio and ranks #279 among its holdings. This is a return to the name: Laurion Capital Management previously reported a position in INSM as recently as Q2 2025.

Laurion Capital Management first reported a position in INSM in Q3 2017 and has held it in 7 quarters since. The position peaked at $8.98M in Q2 2019. 665 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

Laurion Capital Management held 5,728 shares of Insmed worth $611K as of Q2 2026.
Insmed was a new Laurion Capital Management position in Q2 2026.
Insmed made up 0.02% of Laurion Capital Management's portfolio in Q2 2026, its #279 holding.
Laurion Capital Management first reported a position in Insmed in Q3 2017 and has held it in 7 quarters since.
Laurion Capital Management's Insmed position peaked at $8.98M in Q2 2019.
665 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Laurion Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.