As of November 6, 2026, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of Xtant Medical Holdings, Inc. The largest reported stake is Nantahala Capital Management, LLC's, at 49.1%. 2 filings are on record since August 5, 2025 (Schedule 13D/A, August 5, 2025).
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Xtant Medical Holdings, Inc. has 2 Schedule 13D or 13G filings on record since 2025-08-05. 2 holders' latest filing reports 5% or more of common stock. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Nantahala Capital Management, LLC | 49.1% | 68,394,000 | SCHEDULE 13D/A, 2025-08-05 | 2025-08-01 |
| 5.5% | 7,702,002 | SCHEDULE 13G/A, 2026-02-17 | 2025-12-31 |
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More on Xtant Medical Holdings, Inc. and the records around it.
Xtant Medical Holdings, Inc. elsewhere on the record
Companies that share a holder
- LYTTON LAURENCE W also filed stake reports on 28 other companies: Retension Pharmaceuticals, Inc. (Oct 2026), Rank One Computing Corp (Aug 2026), MDxHealth SA (Aug 2026)
- Nantahala Capital Partners Limited Partnership also filed stake reports on 70 other companies: Research Alliance Corp III (Oct 2026), ADC Therapeutics SA (Aug 2026), Anteris Technologies Global Corp. (Aug 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Nantahala Capital Partners Limited Partnership | 0 | 16,380,396 | 0 | 16,380,396 | SCHEDULE 13D/A, 2025-08-05 |
| Nantahala Capital Management, LLC | 0 | 68,394,000 | 0 | 68,394,000 | SCHEDULE 13D/A, 2025-08-05 |
| Harkey Wilmot B. | 0 | 68,394,000 | 0 | 68,394,000 | SCHEDULE 13D/A, 2025-08-05 |
| Mack Daniel | 0 | 68,394,000 | 0 | 68,394,000 | SCHEDULE 13D/A, 2025-08-05 |
| Lytton Laurence W | 675,898 | 7,026,104 | 675,898 | 7,026,104 | SCHEDULE 13G/A, 2026-02-17 |
| Lytton-Kambara Foundation | 0 | 7,026,104 | 0 | 7,026,104 | SCHEDULE 13G/A, 2026-02-17 |
The latest filing names Xtant Medical Holdings, Inc., with its principal executive office as 664 CRUISER LANE, BELGRADE, MT 59714 (SCHEDULE 13G/A, 2026-02-17).
Purpose of Transaction (Item 4)
Nantahala Capital Management, LLC
Item 4 is amended by the addition of the following: On August 1, 2025, the Board of Directors (the "Board") of the Issuer elected Abhinav (Abi) Jain, an Analyst at NCM, to the Board. Mr. Jain was appointed to serve as a member of the Compensation Committee and Nominating and Corporate Governance Committee of the Board. Mr. Jain's appointment was described further by the Issuer in a Form 8-K filed with the SEC on August 4, 2025.Item 4 of the SCHEDULE 13D/A filed 2025-08-05
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-08-05 | Nantahala Capital Management, LLC | 49.1% | SCHEDULE 13D/A |
| 2026-02-17 | Lytton Laurence W | 5.5% | SCHEDULE 13G/A |
Questions about who owns Xtant Medical Holdings, Inc.
Who owns Xtant Medical Holdings, Inc.?
On this page, 2 holders' latest ownership filings report 5% or more of Xtant Medical Holdings, Inc.: Nantahala Capital Management, LLC (49.1%, Schedule 13D/A, filed 2025-08-05) and Lytton Laurence W (5.5%, Schedule 13G/A, filed 2026-02-17).
Who are the largest shareholders of Xtant Medical Holdings, Inc.?
By the share each holder's latest filing reports, the largest holders of Xtant Medical Holdings, Inc. on this page are Nantahala Capital Management, LLC (49.1%) and Lytton Laurence W (5.5%).
When did Nantahala Capital Management, LLC buy into Xtant Medical Holdings, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Nantahala Capital Management, LLC on this page is the Schedule 13D/A, filed 2025-08-05, reporting 49.1%. That earliest filing is itself an amendment, which updates an earlier report.
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%); 2 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.