As of November 6, 2026, SANUWAVE Health, Inc. is a publicly traded company (Nasdaq: SNWV). The largest holder reporting an active stake on Schedule 13D is Manchester Management Co. LLC, at 11.1%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Solas Capital Management, LLC (7.1%) (Schedule 13D/A, December 10, 2025).
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Is SANUWAVE Health, Inc. a real, registered company?
- SANUWAVE Health, Inc. files with the SEC under CIK 1417663 (its SEC filings).
- Its shares are listed under the ticker SNWV on Nasdaq (SEC company record).
- Incorporated in Nevada; business address in Eden Prairie, Minnesota, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under SANUWAVE Health, Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Solas Capital Management, LLC (filed 2026-08-14).
Who are SANUWAVE Health, Inc.'s owners and officers?
SANUWAVE Health, Inc.: incorporated in Nevada; business address in Eden Prairie, Minnesota; industry Surgical & Medical Instruments & Apparatus (Schedule 13G/A, 2026-08-14).
Officers and directors, each with the role and the filing that names them:
- : Director, Executive Officer (Form D, 2024-07-02)
- : Executive Officer (Form D, 2024-07-02)
- : Executive Officer (Form D, 2024-07-02)
- : Executive Officer (Form D, 2024-07-02)
- : Executive Officer (Form D, 2024-07-02)
- : Director (Form D, 2024-07-02)
- : Director (Form D, 2024-07-02)
- : Director (Form D, 2024-07-02)
- : Director (Form D, 2024-07-02)
- : Director (Form D, 2024-07-02)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-14 | Solas Capital Management, LLC | 7.1% |
| Schedule 13G/A, 2026-07-31 | Opaleye Management Inc. | 3.6% |
| Schedule 13G/A, 2026-07-30 | Blackrock, Inc. | 1.5% |
| Schedule 13G/A, 2026-05-04 | Opaleye Management Inc. | 9.99% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13D/A, 2025-12-15 | Manchester Management Company, LLC | 10.8% |
| Schedule 13D/A, 2025-12-10 | Manchester Management Co LLC | 11.1% |
| Schedule 13G, 2025-10-17 | Blackrock, Inc. | 5.6% |
| Schedule 13G/A, 2025-08-14 | Solas Capital Management, LLC | 3.5% |
| Schedule 13G, 2025-07-29 | The Vanguard Group | 5.19% |
Questions about who owns SANUWAVE Health, Inc.
Who owns SANUWAVE Health, Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of SANUWAVE Health, Inc.: Manchester Management Co LLC (11.1%, Schedule 13D/A, filed 2025-12-10), Manchester Management Company, LLC (10.8%, Schedule 13D/A, filed 2025-12-15) and Solas Capital Management, LLC (7.1%, Schedule 13G/A, filed 2026-08-14).
Who are the largest shareholders of SANUWAVE Health, Inc.?
By the share each holder's latest filing reports, the largest holders of SANUWAVE Health, Inc. on this page are Manchester Management Co LLC (11.1%), Manchester Management Company, LLC (10.8%) and Solas Capital Management, LLC (7.1%).
When did Manchester Management Co LLC buy into SANUWAVE Health, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Manchester Management Co LLC on this page is the Schedule 13D/A, filed 2025-12-10, reporting 11.1%. 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%); 10 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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Which insiders own SANUWAVE Health, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a 10% owner: 982,632 shares (11.4% of shares outstanding), 54,653 held directly and 927,979 indirectly, on a joint filing (Form 4, 2025-12-15).
- , L.P.: 982,632 shares (11.4% of shares outstanding), 54,653 held directly and 927,979 indirectly, on a joint filing (Form 4, 2025-12-15).
- James E. Besser: 982,632 shares (11.4% of shares outstanding), 54,653 held directly and 927,979 indirectly, on a joint filing (Form 4, 2025-12-15).
- Manchester Management PR, LLC: 982,632 shares (11.4% of shares outstanding), 54,653 held directly and 927,979 indirectly, on a joint filing (Form 4, 2025-12-15).
- Manchester Management Co. LLC: 982,632 shares (11.4% of shares outstanding), 54,653 held directly and 927,979 indirectly, on a joint filing (Form 4, 2025-12-15).
Shares outstanding: 8,602,309 as of 2026-08-04, from the company's latest SEC cover page.
How much has SANUWAVE Health, Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2024-07-02 | $1.80M | $1.80M |
| Form D, 2024-02-05 | $4.56M | $4.56M |
| Form D, 2024-01-05 | $1.86M | $1.86M |
| Form D, 2023-08-07 | $3.04M | $3.04M |
| Form D, 2023-05-16 | $1.23M | $1.23M |
| Form D, 2022-12-27 | $3.98M | $3.98M |
Latest IPO step: SANUWAVE Health, Inc. filed to go public (S-1, 2024-12-03).
IPO filings: S-1, 2024-12-03.
Keep reading
More on SANUWAVE Health, Inc. and the records around it.
SANUWAVE Health, Inc. elsewhere on the record
- 5%+ stake filings Aug 2026
Companies that share a holder
- MANCHESTER MANAGEMENT CO LLC also filed stake reports on 2 other companies: Alpha Cognition Inc. (Sep 2026), EUPRAXIA PHARMACEUTICALS INC. (Aug 2026)
- Solas Capital Management, LLC also filed stake reports on 5 other companies: FENNEC PHARMACEUTICALS INC. (Aug 2026), MAIA Biotechnology, Inc. (Aug 2026), Modular Medical, Inc. (Aug 2026)
- Opaleye Management Inc. also filed stake reports on 12 other companies: Codexis, Inc. (Nov 2026), Gossamer Bio, Inc. (Nov 2026), Pasithea Therapeutics Corp. (Nov 2026)
Related pages
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