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Insmed Incorporated (INSM) Institutional Ownership & Insider Trading

665 institutions reported holding Insmed Incorporated shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 169 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

INSMInsmed IncorporatedFollow INSM — free
Biotechnology · Healthcare
—
Price chart with a free account
Market cap
20.4B
P/E TTM
—
Dividend yield
—
52-week
—
Next earnings
29 Oct, in 5 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

665 institutions held —% of the shares. Across filers that reported both quarters, shares held changed -1.7%.

Increased+228New+99Decreased-216Closed-107

Largest moves, shares (millions)

Orbis Allan Gray+4.2MAmeriprise Financial+3.1MFMR+3.0MJPMorgan Chase-13.7MDarwin Global Management-10.4MInvesco-6.1M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
+11.0Sep 24+0.2Dec 24+7.4Mar 25+10.2Jun 25+25.3Sep 25-26.6Dec 25+6.2Mar 26-3.7Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 26665224-1.7%22899216107
Mar 26663216+3.3%2647419879
Dec 25663212-11.3%22314417069
Sep 25551234+12.2%18310619055
Jun 25511210+5.1%15111618142
Mar 25432198+3.9%1694413844
Dec 24429193+0.1%1684513239
Sep 24409186+6.9%1706611134

Insmed Incorporated — questions

Who owns Insmed Incorporated stock?
665 institutions reported Insmed Incorporated shares in 13F filings for the quarter ended 2026-06-30. The largest: FMR LLC (7.4%), BlackRock, Inc. (7.2%), JPMORGAN CHASE & CO (4.8%).
Are Insmed Incorporated insiders buying or selling?
169 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Insmed Incorporated's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.