SANUWAVE Health, Inc. (SNWV) ownership: Top institutional holder: Opaleye Management Inc. ($16.97M). Insider activity: Net Seller (0 buys, 18 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Opaleye Management Inc. | 981267.00 | $16.97M | 2026-03-31 |
| VANGUARD GROUP INC | 445206.00 | $13.28M | 2025-12-31 |
| BlackRock, Inc. | 481540.00 | $8.33M | 2026-03-31 |
| AWM Investment Company, Inc. | 454550.00 | $7.86M | 2026-03-31 |
| Praetorian PR LLC | 350000.00 | $6.05M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 348874.00 | $6.03M | 2026-03-31 |
| Solas Capital Management, LLC | 287514.00 | $4.97M | 2026-03-31 |
| STIFEL FINANCIAL CORP | 251633.00 | $4.35M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-04-30 | |
| Sell | null | 2026-04-30 | |
| Sell | null | 2026-04-29 | |
| Sell | null | 2026-04-29 | |
| Sell | null | 2026-04-28 | |
| Sell | null | 2026-04-28 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.