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TMDX TRANSMEDICS GROUP INC

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COM (common), issuer CIK 1756262

Filings received so far for Q3 2026: 14 13F filers report a position in TMDX 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
ZEVENBERGEN CAPITAL INVESTMENTS LLC267,282$22.3M0.51%-41,10913F-HRTimeline
CONGRESS ASSET MANAGEMENT CO252,952$21.1M0.14%+25,11813F-HRTimeline
Central Pacific Bank - Trust Division8,417$702K0.07%new13F-HRTimeline
Plan A Wealth LLC5,370$448K0.16%+20313F-HRTimeline
Farther Finance Advisors, LLC2,594$216K<0.01%+1,60613F-HRTimeline
GAMMA Investing LLC1,978$165K0.01%+29213F-HRTimeline
GK Wealth Management LLC922$76.9K0.04%new13F-HRTimeline
TOTH FINANCIAL ADVISORY CORP400$33.4K<0.01%013F-HRTimeline
Byrne Asset Management LLC300$23.6K0.01%new13F-HRTimeline
MassMutual Private Wealth & Trust, FSB163$13.6K<0.01%-6013F-HRTimeline
Versant Capital Management, Inc22$1.84K<0.01%new13F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC5$418<0.01%-213F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC3$251<0.01%013F-HRTimeline
Davis Capital Management2$167<0.01%013F-HRTimeline