Latest Period
Q4 2025
- Info
- Insider Trading
- Financials
- Holders
Security Snapshot
SANUWAVE Health, Inc. - Common Stock (SNWV) Institutional Ownership
CUSIP: 80303D305
13F Institutional Holders and Ownership History from Q4 2024 to Q1 2026
Institutions Reporting
59
Shares (Excl. Options)
3,875,965
Price
$29.84
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- Type / Class
- Equity / Common Stock
- Symbol
- SNWV on Nasdaq
- Shares outstanding
- 8,610,917
- Price per share
- $17.29
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 3,875,965
- Total reported value
- $115,659,217
- % of total 13F portfolios
- 0%
- Share change
- +492,795
- Value change
- +$13,833,367
- Number of holders
- 59
- Price from insider filings
- $17.29
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- SNWV - SANUWAVE Health, Inc. - Common Stock is tracked under CUSIP 80303D305.
- 59 institutions reported positions in Q4 2025.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 59 to 5 between Q4 2025 and Q1 2026.
- Reported value moved from $115,659,217 to $800,198.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 59 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 80303D305?
CUSIP 80303D305 identifies SNWV - SANUWAVE Health, Inc. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 80303D305:
Significant Owners of SANUWAVE Health, Inc. - Common Stock (SNWV) based on Schedule 13D/G filings
| 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 | |||
| 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 (SNWV). This represents 45% of the company’s total 8,610,917 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of SANUWAVE Health, Inc. - Common Stock (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 |
Institutional Holders of SANUWAVE Health, Inc. - Common Stock (SNWV) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 46,281 | $800,198 | +$119,422 | $17.29 | 5 |
| 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 |