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Disclosery

INSM INSMED INC

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Stock (common), issuer CIK 1104506

Filings received so far for Q3 2026: 26 13F filers report a position in INSM shares at 2026-09-30. The quarter is not complete: its 13F deadline is 2026-11-14, and the counts grow as filings arrive.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2026

Filers in the available 13F reports with a share position at 2026-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Perpetual Ltdin group Perpetual Ltd9,273$1.06M0.02%+5,76013F-HRTimelineGroup
NorthCrest Asset Manangement, LLC5,710$574K0.01%new13F-HRTimeline
Farther Finance Advisors, LLC3,935$449K<0.01%+1,61813F-HRTimeline
Everhart Financial Group, Inc.3,765$430K0.03%new13F-HRTimeline
Avior Wealth Management, LLC3,385$386K0.01%-1,52813F-HRTimeline
RIVERSEDGE ADVISORS, LLC2,350$268K0.03%new13F-HRTimeline
Whalen Wealth Management Inc.2,129$243K0.1%new13F-HRTimeline
GAMMA Investing LLC1,778$203K0.01%+1213F-HRTimeline
Versant Capital Management, Inc648$74K0.01%+35213F-HRTimeline
True Wealth Design, LLC604$68.9K0.02%+58713F-HRTimeline
Avanza Fonder AB445$50.8K<0.01%013F-HRTimeline
CX Institutional404$46K<0.01%new13F-HRTimeline
HARBOR INVESTMENT ADVISORY, LLC401$45.8K<0.01%-8513F-HRTimeline
MassMutual Private Wealth & Trust, FSB201$22.9K<0.01%+2813F-HRTimeline
Grove Bank & Trust77$8.79K<0.01%+6113F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC61$6.96K<0.01%+2713F-HRTimeline
CoreCap Advisors, LLC21$2.4K<0.01%+1413F-HRTimeline
Retirement Wealth Solutions LLC21$2.4K<0.01%+313F-HRTimeline
Investors Research Corp16$1.83K<0.01%013F-HRTimeline
Roxbury Financial LLC15$1.71K<0.01%013F-HRTimeline
TOTH FINANCIAL ADVISORY CORP12$1.37K<0.01%new13F-HRTimeline
Meriwether Wealth & Planning, LLC12$1.37K<0.01%new13F-HRTimeline
Planning Strategies Inc.9$1.03K<0.01%+513F-HRTimeline
Davis Capital Management6$685<0.01%013F-HRTimeline
Marquette Asset Management, LLC5$571<0.01%new13F-HRTimeline
Trust Co4$457<0.01%013F-HRTimeline