SANUWAVE Health, Inc. (SNWV) Ownership

NASDAQ: SNWVTop holders, insider trades and short interest.

SNWV ownership summary

as of October 18, 2026
Institutions
37.4%
of shares outstanding
Insiders
1.31%
of shares outstanding
Shares outstanding
8.6M
Float
6.2M
shares available to trade
Short interest
4.30%
246K shares short
Days to cover
4.33
short interest up 2.2% vs prior month
  • Institutions 37.39%
  • Insiders 1.31%
  • Other investors 61.31%

SNWV top institutional holders

20 largest
SANUWAVE Health, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Solas Capital Management LLC7.10%611K$3.0M+323,454 (+112.5%)June 30, 2026
2Awm Investment Company Inc5.28%455K$2.3M—June 30, 2026
3Praetorian PR LLC4.59%395K$2.0M+45,000 (+12.9%)June 30, 2026
4Vanguard Capital Management, LLC4.10%353K$1.7M+3,882 (+1.1%)June 30, 2026
5Opaleye Management Inc3.56%306K$1.5M−675,127 (−68.8%)June 30, 2026
6UBS Group AG2.99%257K$1.3M+46,528 (+22.1%)June 30, 2026
7BlackRock Inc1.86%160K$792,940−321,673 (−66.8%)June 30, 2026
8Geode Capital Management, LLC1.00%86K$427,046−85,700 (−49.9%)June 30, 2026
9Citadel Advisors Llc0.69%59K$294,986+41,375 (+228.6%)June 30, 2026
10Vanguard Fiduciary Trust Co0.50%43K$213,761−6,184 (−12.5%)June 30, 2026
11Marshall Wace Asset Management Ltd0.49%42K$208,940+42,125 (0.0%)June 30, 2026
12The Goldman Sachs Group Inc0.47%40K$200,513+1,921 (+5.0%)June 30, 2026
13JPMorgan Chase & Co0.46%40K$196,897+36,649 (+1,202.4%)June 30, 2026
14Stonebridge Wealth Management, LLC0.45%38K$190,633+1,250 (+3.4%)June 30, 2026
15Luxor Capital Group, LP0.43%37K$184,512+37,200 (0.0%)June 30, 2026
16State Street Corp0.38%32K$160,119−107,807 (−77.0%)June 30, 2026
17Morgan Stanley - Brokerage Accounts0.37%32K$156,830+25,826 (+445.8%)June 30, 2026
18Jane Street Group LLC0.28%24K$118,281+23,847 (0.0%)June 30, 2026
19AQR Capital Management LLC0.27%23K$113,624+22,908 (0.0%)June 30, 2026
20XTX Topco Ltd0.25%22K$108,297+7,153 (+48.7%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 659K shares and 5 cut 1.2M.

SNWV top mutual fund and ETF holders

16 largest
SANUWAVE Health, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.08%265K$1.3M—August 31, 2026
2Fidelity Extended Market Index0.46%40K$198,326+4,137 (+11.5%)August 31, 2026
3Invesco NASDAQ Future Gen 200 ETF0.30%26K$126,842—September 30, 2026
4iShares Micro-Cap ETF0.29%25K$123,028−171 (−0.7%)September 30, 2026
5Fidelity Total Market Index0.16%14K$67,302—August 31, 2026
6Fidelity Series Total Market Index0.12%11K$52,338—August 31, 2026
7Goldman Sachs Absolute Ret Trckr Instl0.11%9,271$45,984+5,973 (+181.1%)June 30, 2026
8BSF Systematic US Eq Abs Ret A2 USD0.07%6,078$30,147—December 31, 2025
9Fidelity ZERO Extended Market Index0.07%5,663$28,088+3,274 (+137.0%)August 31, 2026
10Vanguard Balanced Index Inv0.05%4,706$23,342—August 31, 2026
11Vanguard MStar Inst Ttl StkMktIdxInstlPl0.05%4,232$20,991—August 31, 2026
12Fidelity ZERO Total Market Index0.04%3,564$17,677—August 31, 2026
13Vanguard U.S. Eq Idx £ Acc0.04%3,237$16,056—August 31, 2026
141290 VT Micro Cap K0.02%1,747$8,665—August 31, 2026
15Fidelity Flex Small Cap Index0.02%1,454$7,212+420 (+40.6%)July 31, 2026
16Victory Extended Market Index0.01%940$4,662+17 (+1.8%)June 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

SNWV shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns SNWV

Institutional investors own 37.4% of SANUWAVE Health's shares and insiders 1.31%. The largest holder is Solas Capital Management LLC with 7.10% of the shares (611K), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 5 reduced their stake in the latest filings. Short interest is 4.30% of the float, or 4.33 days of average trading volume. The share count rose 5,312.7% since 2014.

Related: SNWV analyst forecast, SNWV key metrics. See the SNWV stock overview for the latest quote and news.

SNWV ownership FAQ

Who owns the most SANUWAVE Health stock?

The largest shareholders of SANUWAVE Health are Solas Capital Management LLC (7.10%), Awm Investment Company Inc (5.28%), Praetorian PR LLC (4.59%), Vanguard Capital Management, LLC (4.10%), Opaleye Management Inc (3.56%).

What percentage of SANUWAVE Health is owned by institutions?

Institutions hold 37.4% of SANUWAVE Health's shares outstanding; insiders hold 1.31%.

Which funds own SANUWAVE Health?

The largest fund holders of SANUWAVE Health are Vanguard MStar Total Stk Mkt Idx Invest (3.08%), Fidelity Extended Market Index (0.46%), Invesco NASDAQ Future Gen 200 ETF (0.30%), iShares Micro-Cap ETF (0.29%), Fidelity Total Market Index (0.16%).

What is SANUWAVE Health's short interest?

246K shares of SANUWAVE Health were sold short, 4.30% of the float; at the average daily volume it would take 4.33 days to cover.

How many shares of SANUWAVE Health are outstanding?

SANUWAVE Health has 8.6M shares outstanding, of which 6.2M are in the public float.

Medical Devices: ownership