Dark Forest Capital Management’s Insmed INSM Stock Holding History

Dark Forest 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	$998K	Buy	9,356 +6,898	+281%	+$835K	0.06%	489
2026 Q1	$402K	Sell	2,458 -12,274	-83%	-$1.89M	0.04%	607
2025 Q4	$2.56M	Buy	14,732 +5,490	+59%	+$1M	0.12%	299
2025 Q3	$1.33M	Buy	+9,242	New	+$1.13M	0.05%	626
2024 Q2	–	Sell	-10,563	Closed	-$287K	–	771
2024 Q1	$287K	Buy	+10,563	New	+$296K	0.05%	483
2023 Q4	–	Sell	-73,129	Closed	-$1.85M	–	778
2023 Q3	$1.85M	Buy	73,129 +8,776	+14%	+$201K	0.14%	164
2023 Q2	$1.36M	Buy	64,353 +50,161	+353%	+$952K	0.13%	173
2023 Q1	$242K	Buy	+14,192	New	+$276K	0.06%	310
2022 Q4	–	Sell	-4,200	Closed	-$90K	–	1307
2022 Q3	$90K	Buy	+4,200	New	+$101K	0.02%	479
2022 Q1	–	Sell	-202	Closed	-$6K	–	1515
2021 Q4	$6K	Buy	+202	New	+$5.78K	﹤0.01%	1095

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

Dark Forest Capital Management's INSM Position: Q2 2026 in Review

Dark Forest Capital Management increased its Insmed (INSM) stake by 281% in Q2 2026, buying an estimated $835K and bringing the position to 9,356 shares worth $998K. The position accounts for 0.06% of the portfolio, ranked #489.

Dark Forest Capital Management first reported a position in INSM in Q4 2021 and has held it in 10 quarters since. The position peaked at $2.56M in Q4 2025. 664 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

Dark Forest Capital Management held 9,356 shares of Insmed worth $998K as of Q2 2026.
Dark Forest Capital Management bought 6,898 Insmed shares in Q2 2026, an estimated $835K.
Insmed made up 0.06% of Dark Forest Capital Management's portfolio in Q2 2026, its #489 holding.
Dark Forest Capital Management first reported a position in Insmed in Q4 2021 and has held it in 10 quarters since.
Dark Forest Capital Management's Insmed position peaked at $2.56M in Q4 2025.
664 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Dark Forest Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.