Israel Englander’s Insmed INSM Stock Holding History

Israel Englander’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	$1.73M	Buy	+16,200	New	+$1.96M	﹤0.01%	3931
2026 Q1	–	Sell	-1,200	Closed	-$209K	–	6021
2025 Q4	$209K	Buy	+1,200	New	+$219K	﹤0.01%	5456
2025 Q1	–	Sell	-7,500	Closed	-$518K	–	6115
2024 Q4	$518K	Buy	+7,500	New	+$540K	﹤0.01%	4723
2024 Q3	–	Sell	-42,300	Closed	-$2.83M	–	6277
2024 Q2	$2.83M	Buy	+42,300	New	+$1.64M	﹤0.01%	3219
2019 Q3	–	Sell	-50,000	Closed	-$1.28M	–	4355
2019 Q2	$1.28M	Buy	+50,000	New	+$1.39M	﹤0.01%	2655
2014 Q2	–	Sell	-120,000	Closed	-$2.29M	–	3627
2014 Q1	$2.29M	Buy	+120,000	New	+$2.28M	0.01%	1681

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

Israel Englander's INSM Position: Q2 2026 in Review

Israel Englander increased its Insmed (INSM) stake by 77% in Q2 2026, buying an estimated $108M and bringing the position to 2,048,005 shares worth $218M. The position accounts for 0.08% of the portfolio, ranked #218.

Israel Englander first reported a position in INSM in Q2 2013 and has held it in 45 quarters since. The position peaked at $336M in Q3 2025. 663 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

Israel Englander held 2,048,005 shares of Insmed worth $218M as of Q2 2026.
Israel Englander bought 890,219 Insmed shares in Q2 2026, an estimated $108M.
Insmed made up 0.08% of Israel Englander's portfolio in Q2 2026, its #218 holding.
Israel Englander first reported a position in Insmed in Q2 2013 and has held it in 45 quarters since.
Israel Englander's Insmed position peaked at $336M in Q3 2025.
663 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

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