SNWV · SANUWAVE Health, Inc. · Holdings

$4.10 +0.10 (+2.50%) At close · Sep 11

Market Cap

$35.27M

8.60M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 49

Total Value: $32,056,300

Total Shares: 3,205,630

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 49 13F filers · Δ vs Mar 31, 2026

Top Holder

19.1%

−4.5 pts

Top 5

66.1%

+3.2 pts

Top 10

85.0%

−3.4 pts

HHI

1,043

Broadly held−55

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -14

Institutional value: -55.4%

Shares held: -22.9%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Small Solas Capital Management, LLC	+323,454	610,968
Mega UBS Group AG	+46,528	256,791
Small Praetorian PR LLC	+45,000	395,000
Mega CITADEL ADVISORS LLC	+41,375	59,473
Mega JPMORGAN CHASE & CO	+36,649	39,697

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid Opaleye Management Inc.	−675,127	306,140
Mega BlackRock, Inc.	−321,673	159,867
Mega STATE STREET CORP	−107,807	32,282
Mega GEODE CAPITAL MANAGEMENT, LLC	−85,700	86,098
Mega NORTHERN TRUST CORP	−46,337	16,454

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large MARSHALL WACE, LLP	42,125	$421,250
Mid Luxor Capital Group, LP	37,200	$372,000
Mega JANE STREET GROUP, LLC	23,847	$238,470
Mega AQR CAPITAL MANAGEMENT LLC	22,908	$229,080
Large Squarepoint Ops LLC	18,243	$182,430

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large STIFEL FINANCIAL CORP	251,633	$4,350,734
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	44,328	$766,431
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC	21,935	$379,256
Mega Bank of New York Mellon Corp	15,817	$273,475
Mega Nuveen, LLC	13,136	$227,120

Filter: New 11 Increased 14 Reduced 15 Sold out 25 Unchanged 9

Showing 49 of 49

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Solas Capital Management, LLC

$6,109,680

19.06%

610,968

AWM Investment Company, Inc.

$4,545,500

14.18%

454,550

Praetorian PR LLC

$3,950,000

12.32%

395,000

VANGUARD CAPITAL MANAGEMENT LLC

$3,527,560

11.00%

352,756

Opaleye Management Inc.

$3,061,400

9.55%

306,140

UBS Group AG

$2,567,910

8.01%

256,791

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	37,576	$375,760	14.6%	Defined
UBS Switzerland AG	219,215	$2,192,150	85.4%	Defined

BlackRock, Inc.

$1,598,670

4.99%

159,867

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	10,513	$105,130	6.6%	Sole
BlackRock Investment Management, LLC	1,759	$17,590	1.1%	Sole
BlackRock Fund Advisors	26,001	$260,010	16.3%	Sole
BlackRock Institutional Trust Company, N.A.	121,594	$1,215,940	76.1%	Sole

GEODE CAPITAL MANAGEMENT, LLC

$860,980

2.69%

86,098

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	16,288	$162,880	18.9%	Defined
Held directly	69,810	$698,100	81.1%	Defined

CITADEL ADVISORS LLC

$594,730

1.86%

59,473

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	45,186	$451,860	76.0%	Defined
Held directly	14,287	$142,870	24.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$430,970

1.34%

43,097

MARSHALL WACE, LLP

$421,250

1.31%

42,125

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	42,125	$421,250	100.0%	Other

GOLDMAN SACHS GROUP INC

$404,260

1.26%

40,426

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	27,773	$277,730	68.7%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	12,653	$126,530	31.3%	Defined

JPMORGAN CHASE & CO

$396,970

1.24%

39,697

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	91	$910	0.2%	Defined
J.P. Morgan Securities LLC	39,488	$394,880	99.5%	Defined
J.P. Morgan Securities plc	118	$1,180	0.3%	Defined

Stonebridge Wealth Management, LLC

$384,340

1.20%

38,434

Luxor Capital Group, LP

$372,000

1.16%

37,200

STATE STREET CORP

$322,820

1.01%

32,282

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	32,282	$322,820	100.0%	Defined

MORGAN STANLEY

$316,190

0.99%

31,619

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	639	$6,390	2.0%	Defined
MORGAN STANLEY & CO. LLC	159	$1,590	0.5%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	29,875	$298,750	94.5%	Defined
MORGAN STANLEY SMITH BARNEY LLC	946	$9,460	3.0%	Defined

JANE STREET GROUP, LLC

$238,470

0.74%

23,847

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	12,822	$128,220	53.8%	Defined
Jane Street Global Trading, LLC	11,025	$110,250	46.2%	Defined

AQR CAPITAL MANAGEMENT LLC

$229,080

0.71%

22,908

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Arax Advisory Partners	646	$6,460	2.8%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	10	$100	0.0%	Other
Stokes Family Office, LLC	2	$20	0.0%	Other
Held directly	22,250	$222,500	97.1%	Defined

XTX Topco Ltd

$218,340

0.68%

21,834

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	21,834	$218,340	100.0%	Defined

BANK OF AMERICA CORP /DE/

$185,590

0.58%

18,559

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	18,559	$185,590	100.0%	Defined

Squarepoint Ops LLC

$182,430

0.57%

18,243

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	18,243	$182,430	100.0%	Defined

Jain Global LLC

$173,520

0.54%

17,352

MILLENNIUM MANAGEMENT LLC

$169,250

0.53%

16,925

NORTHERN TRUST CORP

$164,540

0.51%

16,454

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	16,454	$164,540	100.0%	Defined

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$163,400

0.51%

16,340

BNP PARIBAS ARBITRAGE, SA

$133,040

0.42%

13,304

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$115,000

0.36%

11,500

FMR LLC

$44,540

0.14%

4,454

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	4,229	$42,290	94.9%	Defined
STRATEGIC ADVISERS LLC	225	$2,250	5.1%	Defined

RHUMBLINE ADVISERS

$34,770

0.11%

3,477

Vanguard Global Advisers, LLC

$32,370

0.10%

3,237

State of Alaska, Department of Revenue

$32,350

0.10%

3,235

KIRTLAND HILLS CAPITAL MANAGEMENT, LLC

$31,000

0.10%

3,100

Strategic Investment Solutions, Inc. /IL

$13,330

0.04%

1,333

Tower Research Capital LLC (TRC)

$9,110

0.03%

911

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	911	$9,110	100.0%	Defined

Arax Advisory Partners

$6,460

0.02%

646

AdvisorNet Financial, Inc

$5,670

0.02%

567

BARCLAYS PLC

$3,800

0.01%

380

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	1	$10	0.3%	Defined
BARCLAYS CAPITAL INC.	379	$3,790	99.7%	Defined

ROYAL BANK OF CANADA

$1,490

0.00%

149

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	17	$170	11.4%	Defined
RBC Capital Markets, LLC	120	$1,200	80.5%	Defined
Held directly	12	$120	8.1%	Sole

JONES FINANCIAL COMPANIES LLLP

$1,330

0.00%

133

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	133	$1,330	100.0%	Sole

US BANCORP \DE\

$660

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	66	$660	100.0%	Defined

Russell Investments Group, Ltd.

$490

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	49	$490	100.0%	Defined

PNC FINANCIAL SERVICES GROUP, INC.

$400

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	40	$400	100.0%	Defined

NewEdge Advisors, LLC

$260

0.00%

Essential Partners LLC

$130

0.00%

OSAIC HOLDINGS, INC.

$120

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	12	$120	100.0%	Defined

EverSource Wealth Advisors, LLC

$110

0.00%

Caitong International Asset Management Co., Ltd

$10

0.00%

IFP Advisors, Inc

$10

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	251,633	$4,350,734	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	4,349	$75,194	27.5%	Defined
The Bank of New York Mellon	11,387	$196,881	72.0%	Defined
BNY Mellon, NA joint	80	$1,383	0.5%	Defined
Held directly	1	$17	0.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	4,030	$69,678	30.7%	Defined
TEACHERS ADVISORS, LLC joint	9,106	$157,442	69.3%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	164	$2,835	2.5%	Defined
DWS Investments UK Ltd	6,438	$111,313	97.5%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
COGHILL CLINT D	6,500	$112,385	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	4,490	$77,632	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	3,555	$61,465	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	2,522	$43,605	93.4%	Defined
Wells Fargo Securities, LLC	178	$3,077	6.6%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	2,126	$36,758	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	716	$12,379	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	639	$11,048	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	390	$6,743	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Institutional Asset Management Trust Co	3	$51	100.0%	Sole

Key facts CIK 1417663 CUSIP 80303D305 13F (30d) 1 filings 1 filers Visit website Investor relations