| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| MANCHESTER MANAGEMENT CO LLC | 11% | -2.7% | $31,014,800 | -$600,300 | 929,979 | -1.9% | JAMES E. BESSER | 11 Dec 2025 |
| AWM Investment Company, Inc. | 6% | -16% | $15,268,592 | -$2,761,722 | 513,230 | -15% | AWM Investment Company, Inc. | 09 May 2025 |
| BlackRock, Inc. | 5.6% | $17,848,126 | 476,204 | BlackRock, Inc. | 30 Sep 2025 | |||
| VANGUARD GROUP INC | 5.2% | $14,616,325 | 444,806 | The Vanguard Group | 30 Jun 2025 | |||
| Solas Capital Management, LLC | 3.5% | -47% | $10,686,810 | -$10,350,599 | 296,691 | -49% | Solas Capital Management, LLC | 30 Jun 2025 |
As of 30 Sep 2025, 58 institutional investors reported holding 3,383,022 shares of SANUWAVE Health, Inc. - Common Stock, par value $0.001 (SNWV). This represents 39% of the company’s total 8,610,917 outstanding shares.
The largest institutional shareholders of SANUWAVE Health, Inc. - Common Stock, par value $0.001 (SNWV) together control 39% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Opaleye Management Inc. | 11% | 980,000 | 0% | 5.2% | $36,730,400 |
| BlackRock, Inc. | 5.5% | 477,202 | +29% | 0% | $17,885,531 |
| AWM Investment Company, Inc. | 5.3% | 454,550 | -7.1% | 1.6% | $17,036,534 |
| VANGUARD GROUP INC | 5.1% | 440,284 | -1% | 0% | $16,501,844 |
| Solas Capital Management, LLC | 2.3% | 201,304 | -32% | 4.6% | $7,544,874 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 161,878 | +2.6% | 0% | $6,068,639 |
| STATE STREET CORP | 1.6% | 137,812 | +110% | 0% | $5,165,194 |
| CenterBook Partners LP | 1% | 87,947 | +529% | 0.16% | $3,296,254 |
| GOLDMAN SACHS GROUP INC | 0.81% | 69,790 | 0% | $2,615,729 | |
| NORTHERN TRUST CORP | 0.72% | 61,810 | -0.54% | 0% | $2,316,638 |
| Stonebridge Wealth Management, LLC | 0.54% | 46,924 | -9.1% | 1.5% | $1,758,712 |
| BANK OF AMERICA CORP /DE/ | 0.36% | 31,366 | -2.8% | 0% | $1,175,598 |
| RICE HALL JAMES & ASSOCIATES, LLC | 0.32% | 27,302 | 0.06% | $1,023,279 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.27% | 23,263 | 0% | 0% | $871,897 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.26% | 22,279 | +29% | 0.02% | $835,017 |
| LAZARD ASSET MANAGEMENT LLC | 0.23% | 19,887 | -11% | 0% | $745,365 |
| Evernest Financial Advisors, LLC | 0.2% | 17,600 | -30% | 0.18% | $659,648 |
| Praetorian PR LLC | 0.2% | 17,250 | 0.39% | $646,530 | |
| Bank of New York Mellon Corp | 0.18% | 15,686 | +6.8% | 0% | $587,911 |
| BARCLAYS PLC | 0.12% | 10,304 | -79% | 0% | $386,194 |
| Nuveen, LLC | 0.11% | 9,106 | 0% | 0% | $341,293 |
| UBS Group AG | 0.11% | 9,063 | -1.3% | 0% | $339,681 |
| RHUMBLINE ADVISERS | 0.11% | 9,051 | +41% | 0% | $339,226 |
| MORGAN STANLEY | 0.08% | 7,163 | -24% | 0% | $268,469 |
| Sanctuary Advisors, LLC | 0.08% | 6,753 | 0% | $253,102 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 38,390 | $1,145,558 | -$255,252 | $29.84 | 2 |
| 2025 Q3 | 3,383,022 | $126,797,040 | +$6,111,385 | $37.48 | 58 |
| 2025 Q2 | 3,224,696 | $105,964,620 | +$21,701,401 | $32.86 | 45 |
| 2025 Q1 | 2,501,719 | $88,485,602 | +$88,438,454 | $35.37 | 19 |
| 2024 Q4 | 1,333 | $30,659 | +$30,659 | $23.00 | 1 |