Cubist Systematic Strategies’s Insmed INSM Stock Holding History

Cubist Systematic Strategies’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	-283,102	Closed	-$34.7M	–	3255
2025 Q2	$28.5M	Buy	+283,102	New	+$21.6M	0.13%	188
2024 Q4	–	Sell	-191,229	Closed	-$14M	–	3251
2024 Q3	$14M	Buy	+191,229	New	+$14.1M	0.09%	317
2024 Q2	–	Sell	-67,111	Closed	-$2.6M	–	3469
2024 Q1	$1.82M	Sell	67,111 -107,584	-62%	-$3.01M	0.01%	1724
2023 Q4	$5.41M	Sell	174,695 -95,151	-35%	-$2.47M	0.04%	821
2023 Q3	$6.81M	Buy	269,846 +260,177	+2,691%	+$5.95M	0.05%	581
2023 Q2	$204K	Buy	+9,669	New	+$183K	﹤0.01%	2811
2023 Q1	–	Sell	-40,035	Closed	-$800K	–	4142
2022 Q4	$800K	Sell	40,035 -346,270	-90%	-$6.69M	﹤0.01%	2653
2022 Q3	$8.32M	Buy	386,305 +336,132	+670%	+$8.06M	0.05%	615
2022 Q2	$989K	Buy	50,173 +41,446	+475%	+$868K	0.01%	2495
2022 Q1	$205K	Sell	8,727 -85,891	-91%	-$2M	﹤0.01%	3030
2021 Q4	$2.58M	Buy	94,618 +75,630	+398%	+$2.16M	0.02%	1154
2021 Q3	$523K	Buy	18,988 +18,171	+2,224%	+$477K	0.01%	2005
2021 Q2	$23K	Sell	817 -10,161	-93%	-$302K	﹤0.01%	2839
2021 Q1	$374K	Sell	10,978 -7,825	-42%	-$299K	﹤0.01%	2123
2020 Q4	$626K	Sell	18,803 -41,193	-69%	-$1.5M	0.01%	1656
2020 Q3	$1.93M	Buy	59,996 +53,396	+809%	+$1.53M	0.03%	928
2020 Q2	$182K	Sell	6,600 -51,996	-89%	-$1.23M	﹤0.01%	2067
2020 Q1	$939K	Buy	58,596 +53,448	+1,038%	+$1.27M	0.03%	871
2019 Q4	$123K	Sell	5,148 -14,152	-73%	-$288K	﹤0.01%	2146
2019 Q3	$340K	Buy	19,300 +6,588	+52%	+$127K	0.01%	1489
2019 Q2	$325K	Buy	12,712 +5,975	+89%	+$166K	0.01%	1745
2019 Q1	$196K	Sell	6,737 -51,861	-89%	-$1.34M	0.01%	1793
2018 Q4	$769K	Buy	58,598 +50,892	+660%	+$812K	0.04%	694
2018 Q3	$156K	Sell	7,706 -762	-9%	-$17.2K	0.01%	1485
2018 Q2	$200K	Buy	+8,468	New	+$218K	0.01%	1359
2017 Q4	–	Sell	-1,924	Closed	-$60K	–	1991
2017 Q3	$60K	Buy	+1,924	New	+$36.6K	﹤0.01%	1712
2017 Q2	–	Sell	-800	Closed	-$14K	–	1771
2017 Q1	$14K	Buy	+800	New	+$12.3K	﹤0.01%	1559
2016 Q4	–	Sell	-10,387	Closed	-$151K	–	1797
2016 Q3	$151K	Sell	10,387 -17,851	-63%	-$223K	0.01%	1367
2016 Q2	$278K	Buy	+28,238	New	+$329K	0.02%	1128
2016 Q1	–	Sell	-10,365	Closed	-$188K	–	1715
2015 Q4	$188K	Sell	10,365 -5,219	-33%	-$91.9K	0.01%	1379
2015 Q3	$289K	Buy	+15,584	New	+$389K	0.01%	1259
2015 Q1	–	Sell	-77	Closed	-$1K	–	1987
2014 Q4	$1K	Hold	77	–	–	﹤0.01%	1851
2014 Q3	$1K	Sell	77 -10,647	-99%	-$161K	﹤0.01%	1714
2014 Q2	$214K	Buy	+10,724	New	+$159K	0.01%	1130

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

Cubist Systematic Strategies's INSM Position: Q3 2025 in Review

Cubist Systematic Strategies sold out of Insmed (INSM) in Q3 2025, closing a stake of 283,102 shares — an estimated $34.7M sold.

Cubist Systematic Strategies first reported a position in INSM in Q2 2014 and held it in 34 quarters. The position peaked at $28.5M in Q2 2025. 566 funds tracked by Wall St. Rank hold INSM as of Q3 2025.

Cubist Systematic Strategies reported no remaining Insmed position as of Q3 2025 after selling out during the quarter.
Cubist Systematic Strategies sold 283,102 Insmed shares in Q3 2025, an estimated $34.7M.
Cubist Systematic Strategies first reported a position in Insmed in Q2 2014 and held it in 34 quarters.
Cubist Systematic Strategies's Insmed position peaked at $28.5M in Q2 2025.
566 funds tracked by Wall St. Rank held Insmed as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.