| 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 31 Dec 2025, 59 institutional investors reported holding 3,875,965 shares of SANUWAVE Health, Inc. - Common Stock, par value $0.001 (SNWV). This represents 45% 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 44% 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% | 981,267 | +0.13% | 3.9% | $29,281,007 |
| BlackRock, Inc. | 5.7% | 490,519 | +2.8% | 0% | $14,637,088 |
| AWM Investment Company, Inc. | 5.3% | 454,550 | 0% | 1.3% | $13,563,772 |
| VANGUARD GROUP INC | 5.2% | 445,206 | +1.1% | 0% | $13,284,947 |
| Solas Capital Management, LLC | 3.4% | 293,529 | +46% | 5% | $8,758,905 |
| Praetorian PR LLC | 3.1% | 265,000 | +1436% | 3.8% | $7,907,600 |
| STIFEL FINANCIAL CORP | 2.1% | 177,303 | 0% | $5,290,723 | |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 167,256 | +3.3% | 0% | $4,992,018 |
| STATE STREET CORP | 1.6% | 136,164 | -1.2% | 0% | $4,063,134 |
| NORTHERN TRUST CORP | 0.71% | 61,357 | -0.73% | 0% | $1,830,893 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.46% | 39,279 | +76% | 0.02% | $1,172,085 |
| Stonebridge Wealth Management, LLC | 0.45% | 38,384 | -18% | 1.1% | $1,145,379 |
| GOLDMAN SACHS GROUP INC | 0.43% | 37,450 | -46% | 0% | $1,117,508 |
| Huntleigh Advisors, Inc. | 0.39% | 33,445 | 0.17% | $997,991 | |
| RICE HALL JAMES & ASSOCIATES, LLC | 0.29% | 25,156 | -7.9% | 0.04% | $750,655 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.28% | 24,398 | +4.9% | 0% | $728,036 |
| BANK OF AMERICA CORP /DE/ | 0.28% | 24,321 | -22% | 0% | $725,739 |
| JANE STREET GROUP, LLC | 0.23% | 19,666 | 0% | $586,833 | |
| UBS Group AG | 0.22% | 18,621 | +105% | 0% | $555,651 |
| Bank of New York Mellon Corp | 0.18% | 15,599 | -0.55% | 0% | $465,474 |
| Shay Capital LLC | 0.16% | 14,200 | 0.07% | $423,728 | |
| LAZARD ASSET MANAGEMENT LLC | 0.15% | 13,266 | -33% | 0% | $395,857 |
| MORGAN STANLEY | 0.15% | 12,827 | +79% | 0% | $382,758 |
| BARCLAYS PLC | 0.13% | 11,610 | +13% | 0% | $346,442 |
| Nuveen, LLC | 0.11% | 9,106 | 0% | 0% | $271,723 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 3,875,965 | $115,659,217 | +$13,833,367 | $29.84 | 59 |
| 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 |