Latest Period
Q1 2026
Security Snapshot
SANUWAVE Health, Inc. - Common Stock, par value $0.001 per share (SNWV) Institutional Ownership
CUSIP: 80303D305
13F Institutional Holders and Ownership History from Q4 2024 to Q1 2026
Institutions Reporting
62
Shares (Excl. Options)
4,157,317
Price
$17.29
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- SNWV on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 4,157,317
- Total 13F value
- $71,880,374
- Portfolio coverage rank
- 0%
- Share change
- +280,813
- Value change
- +$3,325,269
- Number of holders
- 62
- Shares outstanding
- 8,594,284
- SEC-reported price per share
- $16.66
- Insider filing price
- $16.66
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SNWV - SANUWAVE Health, Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 80303D305.
- 62 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 59 to 62 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $115,659,217 to $71,880,374.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 62 institutions filings for Q1 2026.
Security key
80303D305
Latest holder period
Q1 2026
13F holders
62
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
SNWV full holder history
SANUWAVE Health, Inc. SEC filings
SANUWAVE Health, Inc. company facts
SANUWAVE Health, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 80303D305:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
SNWV
| 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 |
| Opaleye Management Inc. | 10% | $14,793,144 | 858,569 | Opaleye Management Inc. | 01 May 2026 | |||
| 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 Mar 2026, 62 institutional investors reported holding 4,157,317 shares of SANUWAVE Health, Inc. - Common Stock, par value $0.001 per share (SNWV). This represents 48% of the company’s total 8,594,284 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
48%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Opaleye Management Inc. | 11% | 981,267 | 0% | 2.4% | $16,966,106 |
| BlackRock, Inc. | 5.6% | 481,540 | -1.8% | 0% | $8,325,828 |
| AWM Investment Company, Inc. | 5.3% | 454,550 | 0% | 0.87% | $7,859,170 |
| Praetorian PR LLC | 4.1% | 350,000 | +32% | 2.2% | $6,051,500 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 348,874 | 0% | 0% | $6,032,031 |
| Solas Capital Management, LLC | 3.3% | 287,514 | -2% | 2.9% | $4,971,117 |
| STIFEL FINANCIAL CORP | 2.9% | 251,633 | +42% | 0% | $4,350,730 |
| UBS Group AG | 2.4% | 210,263 | +1029% | 0% | $3,635,448 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 171,798 | +2.7% | 0% | $2,971,056 |
| STATE STREET CORP | 1.6% | 140,089 | +2.9% | 0% | $2,422,139 |
| NORTHERN TRUST CORP | 0.73% | 62,791 | +2.3% | 0% | $1,085,657 |
| VANGUARD FIDUCIARY TRUST CO | 0.57% | 49,281 | 0% | 0% | $852,068 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.52% | 44,328 | 0% | 0% | $766,431 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.47% | 40,779 | +3.8% | 0.01% | $705,069 |
| GOLDMAN SACHS GROUP INC | 0.45% | 38,505 | +2.8% | 0% | $665,752 |
| Stonebridge Wealth Management, LLC | 0.43% | 37,184 | -3.1% | 0.62% | $642,911 |
| BANK OF AMERICA CORP /DE/ | 0.3% | 25,503 | +4.9% | 0% | $440,947 |
| MILLENNIUM MANAGEMENT LLC | 0.29% | 24,669 | 0% | $426,527 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.26% | 21,935 | -10% | 0% | $379,256 |
| CITADEL ADVISORS LLC | 0.21% | 18,098 | 0% | $312,914 | |
| Bank of New York Mellon Corp | 0.18% | 15,817 | +1.4% | 0% | $273,475 |
| XTX Topco Ltd | 0.17% | 14,681 | 0% | $253,834 | |
| Nuveen, LLC | 0.15% | 13,136 | +44% | 0% | $227,122 |
| RHUMBLINE ADVISERS | 0.1% | 8,420 | -0.09% | 0% | $145,575 |
| SALEM INVESTMENT COUNSELORS INC | 0.09% | 8,100 | 0% | $140,049 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
6
Latest
Q1 2026
Rows shown
1-6 of 6
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 4,157,317 | $71,880,374 | +$3,325,269 | $17.29 | 62 |
| 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 |