Who owns MDxHealth SA, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
Laurence W. Lytton: 19.5% · 18,558,988 shares — Lytton-Kambara Foundation: 12.1% · 11,583,098 shares
Bleichroeder LP: 33.2% · 31,648,563 shares — Bleichroeder Holdings LLC: 33.2% · 31,648,563 shares — Andrew Gundlach: 33.2% · 31,648,563 shares
3 more 5% stakes behind a free account
See every investor who has disclosed crossing 5% of MDxHealth SA.
Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of MDxHealth SA they hold. Together these 68 managers report 53.03% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. | $12M | 5,221,282 | 1.33% | 10.17% | March 31, 2026 |
| Samjo Management, LLC | $3.33M | 1,449,450 | 1.44% | 2.82% | March 31, 2026 |
66 more institutional holders behind a free account
See every manager reporting MDxHealth SA, how much of the company they hold, and how big the position is inside their own portfolio.
Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 2 funds hold 0.18% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| Small Cap Core Fund | $132K | 0.04% | 0.11% | March 31, 2026 |
| AlphaCentric Life Sciences and Healthcare Fund | $75.8K | 0.19% | 0.06% | March 31, 2026 |
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