SANUWAVE Health, Inc.
SNWV- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001417663
No open-market purchases or sales by SANUWAVE Health, Inc. insiders were filed in the last 90 days; 49 institutions reported holding it in 13F filings for Q2 2026, worth $32.3M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −13 vs. previous quarter
- 49
- 13F valueReported value at the end of Q2 2026
- $32.3M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding SNWV, Q2 2026
No superinvestor reported holding SNWV at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by SANUWAVE Health, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 4, 2026 (view filing) | Apr 30-May 1 | 4 days | Opaleye Management Inc.10% Owner | SSaleCommon Stock, par value $0.001 per share | −35.6K | $16.14 | −$574.2K | −87.7%5.00K after | 4 lots |
| Apr 30, 2026 (view filing) | Apr 28-29 | 2 days | Opaleye Management Inc.10% Owner | SSaleCommon Stock, par value $0.001 per share | −70.6K | $18.05 | −$1.28M | −91.6%6.50K after | 4 lots |
| Apr 21, 2026 (view filing) | Apr 17-21 | 4 days | Opaleye Management Inc.10% Owner | SSaleCommon Stock, par value $0.001 per share | −16.5K | $20.46 | −$337.0K | −1.7%954.8K after | 3 lots |
| Dec 15, 2025 (view filing)5:22 PM ET | Dec 11-12 | 4 days | Manchester Management Co LLC and 4 othersOther: Director by Deputization | SSaleCommon Stock, par value $0.001 | −20.0K | $27.95 | −$559.1K | −23.8%64.0K after | 2 lots |
| Dec 11, 2025 (view filing)3:08 PM ET | Dec 8-10 | 3 days | Manchester Management Co LLC and 4 othersOther: Director by Deputization | SSaleCommon Stock, par value $0.001 | −142.8K | $30.72 | −$4.39M | −14.2%864.0K after | Amended3 lots |
| Dec 11, 2025 (view filing)3:08 PM ET | Dec 8 | 3 days | Manchester Management Co LLC and 4 othersOther: Director by Deputization | SSaleCommon Stock, par value $0.001 | −2.00K | $31.60 | −$63.2K | −50.0%2.00K after | Amended |
| Oct 9, 2025 (view filing) | Oct 6 | 3 daysLate | Opaleye Management Inc.10% Owner | PPurchaseCommon Stock, par value $0.001 per share | +1.27K | $30.28 | +$38.4K | +0.1%966.3K after | |
| Jun 9, 2025 (view filing) | Jun 5 | 4 days | Stegagno PeterChief Operating Officer | SSale | −1.86K | $27.71 | −$51.6K | −47.8%2.03K after | |
| May 16, 2025 (view filing) | May 15 | 1 day | Cioanta IulianChief Sci. and Tech. Officer | SSale | −3.64K | $31.60 | −$115.0K | −98.9%41 after | |
| Apr 30, 2025 (view filing) | Apr 29 | 1 day | Opaleye Management Inc.10% Owner | PPurchaseCommon Stock, par value $0.001 per share | +8.00K | $25.49 | +$203.9K | +114.2%15.0K after | 2 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in SANUWAVE Health, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Solas Capital Management, LLC | 610,968 | $6.11M | 3.27% | +323,454+112.5% | Added |
| AWM Investment Company, Inc. | 454,550 | $4.55M | 0.39% | 00.0% | Unchanged |
| Praetorian PR LLC | 395,000 | $3.95M | 1.26% | +45,000+12.9% | Added |
| Vanguard Capital Management LLC | 352,756 | $3.53M | 0.00% | +3,882+1.1% | Added |
| Opaleye Management Inc. | 306,140 | $3.06M | 0.28% | −675,127−68.8% | Reduced |
| UBS Group AG | 256,791 | $2.57M | 0.00% | +46,528+22.1% | Added |
| BlackRock, Inc. | 159,867 | $1.60M | 0.00% | −321,673−66.8% | Reduced |
| Geode Capital Management, LLC | 86,098 | $861.4K | 0.00% | −85,700−49.9% | Reduced |
| Citadel Advisors LLC | 59,473 | $594.7K | 0.00% | +41,375+228.6% | Added |
| Vanguard Fiduciary Trust Co | 43,097 | $431.0K | 0.00% | −6,184−12.5% | Reduced |