Harbor Capital Advisors’s Insmed INSM Stock Holding History

Harbor Capital Advisors’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	-46,786	Closed	-$4.71M	–	1415
2025 Q2	$4.71M	Sell	46,786 -26,030	-36%	-$1.99M	0.2%	170
2025 Q1	$5.55M	Buy	72,816 +13,216	+22%	+$1.01M	0.25%	138
2024 Q4	$4.12M	Buy	59,600 +41,918	+237%	+$3.02M	0.18%	167
2024 Q3	$1.29M	Buy	+17,682	New	+$1.3M	0.06%	412

Other funds holding INSM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

DGM

Darwin Global Management St. Helier, Jersey $3.76B AUM 342.13% 1-Year Est. Return

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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Harbor Capital Advisors's INSM Position: Q3 2025 in Review

Harbor Capital Advisors sold out of Insmed (INSM) in Q3 2025, closing a stake of 46,786 shares — an estimated $4.71M sold.

Harbor Capital Advisors first reported a position in INSM in Q3 2024 and held it in 4 quarters. The position peaked at $5.55M in Q1 2025. 566 funds tracked by Wall St. Rank hold INSM as of Q3 2025.

Harbor Capital Advisors reported no remaining Insmed position as of Q3 2025 after selling out during the quarter.
Harbor Capital Advisors sold 46,786 Insmed shares in Q3 2025, an estimated $4.71M.
Harbor Capital Advisors first reported a position in Insmed in Q3 2024 and held it in 4 quarters.
Harbor Capital Advisors's Insmed position peaked at $5.55M in Q1 2025.
566 funds tracked by Wall St. Rank held Insmed as of Q3 2025.

Based on Harbor Capital Advisors's 13F filing for Q3 2025, filed 15 Oct 2025.