As of November 9, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of MDxHealth SA. The largest reported stake is Bleichroeder LP's, at 32.04%. 7 filings are on record since November 14, 2025 (Schedule 13D/A, October 15, 2026).
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Key facts
- · Reporting person: Bleichroeder LP · Sole voting: 30,571,922 · Shared voting: 0 · Sole dispositive: 30,571,922 · Shared dispositive: 0 · SCHEDULE 13D/A, 2026-10-15
- · Reporting person: Laurence W. Lytton · Sole voting: 3,933,448 · Shared voting: 14,625,540 · Sole dispositive: 3,933,448 · Shared dispositive: 14,625,540 · SCHEDULE 13G/A, 2026-08-17
- · Holder: Bleichroeder LP · Percent: 33.2% · SCHEDULE 13D
- · Holder: Lytton Laurence W · Percent: 9.6% · SCHEDULE 13G/A
- · Reporting person: AWM Investment Company, Inc. · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-07-08
MDxHealth SA has 7 Schedule 13D or 13G filings on record since 2025-11-14. 3 holders' latest filing reports 5% or more of ordinary shares. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Bleichroeder LP | 32.04% | 30,571,922 | SCHEDULE 13D/A, 2026-10-15 | 2026-10-13 |
| 19.5% | 18,558,988 | SCHEDULE 13G/A, 2026-08-17 | 2026-08-13 | |
| Genomic Health, Inc. | 12% | 6,441,171 | SCHEDULE 13G/A, 2026-01-16 | 2026-01-09 |
| AWM Investment Company, Inc. | 0% | 0 | SCHEDULE 13G/A, 2026-07-08 | 2026-06-30 |
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More on MDxHealth SA and the records around it.
MDxHealth SA elsewhere on the record
Companies that share a holder
- Bleichroeder LP also filed stake reports on 16 other companies: Identiv, Inc. (INVE) (Aug 2026), Cellectar Biosciences, Inc. (Aug 2026), Duos Technologies Group, Inc. (Aug 2026)
- LYTTON LAURENCE W also filed stake reports on 28 other companies: Retension Pharmaceuticals, Inc. (Oct 2026), Rank One Computing Corp (Aug 2026), Aprea Therapeutics, Inc. (Aug 2026)
- AWM Investment Company, Inc. also filed stake reports on 32 other companies: 908 Devices Inc. (Aug 2026), Brazil Potash Corp. (Aug 2026), EVERSPIN TECHNOLOGIES INC. (Aug 2026)
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What the Full Report on MDxHealth SA covers
The Short Answer
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What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Bleichroeder LP | 30,571,922 | 0 | 30,571,922 | 0 | SCHEDULE 13D/A, 2026-10-15 |
| Bleichroeder Holdings LLC | 30,571,922 | 0 | 30,571,922 | 0 | SCHEDULE 13D/A, 2026-10-15 |
| Andrew Gundlach | 30,571,922 | 0 | 30,571,922 | 0 | SCHEDULE 13D/A, 2026-10-15 |
| Laurence W. Lytton | 3,933,448 | 14,625,540 | 3,933,448 | 14,625,540 | SCHEDULE 13G/A, 2026-08-17 |
| Lytton-Kambara Foundation | 0 | 11,583,098 | 0 | 11,583,098 | SCHEDULE 13G/A, 2026-08-17 |
| AWM Investment Company, Inc. | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-07-08 |
The latest filing identifies MDxHealth SA by CUSIP 58286E102 and gives its principal executive office as CAP Business Center, Zone Industrielle des Hauts-Sarts, Herstal (SCHEDULE 13D/A, 2026-10-15).
Source of funds (Item 3)
Item 3 of the Schedule 13D is hereby amended and restated as follows: Accounts and funds managed by the reporting person hold 30,571,922 Shares. The 30,571,922 Shares were acquired on the open market and in transactions with the Issuer by accounts and funds managed by Bleichroeder LP at an aggregate cost of $46,267,320.19.Bleichroeder LP, SCHEDULE 13D/A, 2026-10-15
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-11-14 | Lytton Laurence W | 6.4% | SCHEDULE 13G/A |
| 2026-01-16 | Genomic Health, Inc. | 12% | SCHEDULE 13G/A |
| 2026-07-08 | AWM Investment Company, Inc. | 0% | SCHEDULE 13G/A |
| 2026-08-13 | Lytton Laurence W | 9.6% | SCHEDULE 13G/A |
| 2026-08-14 | Bleichroeder LP | 33.2% | SCHEDULE 13D |
| 2026-08-17 | Laurence W. Lytton | 19.5% | SCHEDULE 13G/A |
| 2026-10-15 | Bleichroeder LP | 32.04% | SCHEDULE 13D/A |
Questions about who owns MDxHealth SA
Who owns MDxHealth SA?
On this page, 3 holders' latest ownership filings report 5% or more of MDxHealth SA: Bleichroeder LP (32.04%, Schedule 13D/A, filed 2026-10-15), Laurence W. Lytton (19.5%, Schedule 13G/A, filed 2026-08-17) and Genomic Health, Inc. (12%, Schedule 13G/A, filed 2026-01-16).
Who are the largest shareholders of MDxHealth SA?
By the share each holder's latest filing reports, the largest holders of MDxHealth SA on this page are Bleichroeder LP (32.04%), Laurence W. Lytton (19.5%) and Genomic Health, Inc. (12%).
When did Bleichroeder LP buy into MDxHealth SA?
The filings give report dates, not purchase dates. The earliest filing from Bleichroeder LP on this page is the Schedule 13D, filed 2026-08-14, reporting 33.2%; its latest, Schedule 13D/A filed 2026-10-15, reports 32.04%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 7 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.