INSMED INC (INSM) Institutional Ownership

INSM is currently held by 2 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $152.27M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.

The largest disclosed holder is Duquesne Family Office Llc, which reported ownership valued at approximately $151.90M in its June 30, 2026 13F filing. Based on current market prices and the latest disclosed share count, Duquesne Family Office Llc's INSM position is now estimated to be worth approximately $170.96M, representing an estimated gain of +12.55% since the filing period.

Major shareholders tracked on this page include Duquesne Family Office Llc, Sequoia Financial Advisors, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks institutional position trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward INSMED INC (INSM).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q2 20262$152,269,4391,428,155
Q1 20264$204,120,5851,248,290
Q4 20254$272,413,3821,565,235
Q3 20254$401,407,2642,787,356
Q2 20253$258,650,3352,570,052
Q1 20251$104,445,0001,369,050
Q4 20242$42,718,814618,757
Q3 20241$1,460,00020,000
Q2 20242$70,749,9901,055,970
Q1 20241$3,635,000133,987
Q4 20221$545,00027,300
Q2 20201$33,803,0001,227,400

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