SCWO · 374Water Inc. · Holdings

$3.24 +0.04 (+1.25%) At close · Sep 11

Customer concentration — top customer 88% of revenue

One customer — 88% of revenue (the three months ended June 30, 2026)

“For the three and six months ended June 30, 2026, we generated approximately 88% of our total consolidated revenues from one customer and two customers, respectively.”

2 customers — 88% of revenue (the six months ended June 30, 2026)

“For the three and six months ended June 30, 2026, we generated approximately 88% of our total consolidated revenues from one customer and two customers, respectively.”

3 customers — 94% of revenue (the three months ended June 30, 2025)

“For the three and six months ended June 30, 2025, we generated approximately 94% and 78% of our consolidated revenues with three customers, respectively.”

3 customers — 78% of revenue (the six months ended June 30, 2025)

“For the three and six months ended June 30, 2025, we generated approximately 94% and 78% of our consolidated revenues with three customers, respectively.”

One customer — 100% of receivables (June 30, 2026)

“At June 30, 2026, one customer comprised approximately 82% and 100% of our consolidated accounts receivable and unbilled accounts receivable, respectively.”

One customer — 82% of receivables (June 30, 2026)

“At June 30, 2026, one customer comprised approximately 82% and 100% of our consolidated accounts receivable and unbilled accounts receivable, respectively.”

2 customers — 74% of receivables (December 31, 2025)

“At December 31, 2025, our consolidated accounts receivable comprised approximately 74% and 10% outstanding with two customers, respectively.”

2 customers — 10% of receivables (December 31, 2025)

“At December 31, 2025, our consolidated accounts receivable comprised approximately 74% and 10% outstanding with two customers, respectively.”

View the 10-Q filed Aug 14, 2026

Market Cap

$57.41M

17.72M

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: 44

Total Value: $3,389,424

Total Shares: 1,783,916

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 44 13F filers · Δ vs Mar 31, 2026

Top Holder

18.1%

−0.4 pts

Top 5

53.7%

−0.6 pts

Top 10

76.1%

+0.8 pts

HHI

804

Broadly held−7

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -3

Institutional value: -31.5%

Shares held: +2.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+40,227	119,519
Mega VANGUARD FIDUCIARY TRUST CO	+21,646	70,104
Mega RAYMOND JAMES FINANCIAL INC	+19,405	58,428
Mid D.A. DAVIDSON & CO.	+12,697	148,179
Mega UBS Group AG	+4,240	38,084

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega MILLENNIUM MANAGEMENT LLC	−15,216	48,459
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−14,072	22,956
Large OSAIC HOLDINGS, INC.	−13,000	50,353
Mega GEODE CAPITAL MANAGEMENT, LLC	−11,593	107,761
Mega NORTHERN TRUST CORP	−2,263	25,922

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega CITADEL ADVISORS LLC	14,726	$27,979
Mega Qube Research & Technologies Ltd	14,276	$27,124
Mid XTX Topco Ltd	12,983	$24,667
Mega BARCLAYS PLC	142	$269
Mega WELLS FARGO & COMPANY/MN	125	$237

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small PATRON PARTNERS, LLC	15,000	$42,600
Small TFO Wealth Partners, LLC	11,859	$33,679
Mega NATIONAL BANK OF CANADA /FI/	10,750	$30,530
Mid MATRIX ASSET ADVISORS INC/NY	10,000	$28,400
Small Wealth Preservation Advisors, LLC	250	$710

Filter: New 6 Increased 8 Reduced 6 Sold out 9 Unchanged 24

Showing 44 of 44

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

VANGUARD CAPITAL MANAGEMENT LLC

$613,297

18.09%

322,788

CAPTRUST FINANCIAL ADVISORS

$392,802

11.59%

206,738

HAMILTON LANE ADVISORS LLC

$304,433

8.98%

160,228

D.A. DAVIDSON & CO.

$281,540

8.31%

148,179

BlackRock, Inc.

$227,085

6.70%

119,519

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

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	2,477	$4,706	2.1%	Sole
BlackRock Fund Advisors	37,759	$71,742	31.6%	Sole
BlackRock Institutional Trust Company, N.A.	79,283	$150,637	66.3%	Sole

Icon Wealth Advisors, LLC

$205,885

6.07%

108,361

GEODE CAPITAL MANAGEMENT, LLC

$204,745

6.04%

107,761

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	21,766	$41,355	20.2%	Defined
Held directly	85,995	$163,390	79.8%	Defined

VANGUARD FIDUCIARY TRUST CO

$133,197

3.93%

70,104

RAYMOND JAMES FINANCIAL INC

$111,013

3.28%

58,428

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	1,378	$2,618	2.4%	Defined
Raymond James Financial Services Advisors, Inc.	57,050	$108,395	97.6%	Defined

Sigma Planning Corp

$105,550

3.11%

55,553

OSAIC HOLDINGS, INC.

$95,670

2.82%

50,353

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	394	$748	0.8%	Defined
CW Advisors, LLC	49,959	$94,922	99.2%	Sole

MILLENNIUM MANAGEMENT LLC

$92,072

2.72%

48,459

SENTINEL TRUST CO LBA

$76,247

2.25%

40,130

UBS Group AG

$72,359

2.13%

38,084

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	37,708	$71,645	99.0%	Defined
UBS Securities LLC	376	$714	1.0%	Defined

NORTHERN TRUST CORP

$49,251

1.45%

25,922

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	25,922	$49,251	100.0%	Defined

STATE STREET CORP

$44,034

1.30%

23,176

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

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	23,176	$44,034	100.0%	Defined

Trinity Legacy Partners, LLC

$44,007

1.30%

23,162

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$43,616

1.29%

22,956

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

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	22,956	$43,616	100.0%	Other

Mariner, LLC

$36,242

1.07%

19,075

Uncommon Cents Investing LLC

$34,580

1.02%

18,200

Prospera Financial Services Inc

$33,250

0.98%

17,500

CITADEL ADVISORS LLC

$27,979

0.83%

14,726

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	14,726	$27,979	100.0%	Defined

Qube Research & Technologies Ltd

$27,124

0.80%

14,276

TWO SIGMA INVESTMENTS, LP

$25,891

0.76%

13,627

Westend Capital Management, LLC

$24,700

0.73%

13,000

XTX Topco Ltd

$24,667

0.73%

12,983

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	12,983	$24,667	100.0%	Defined

Compass Ion Advisors, LLC

$19,311

0.57%

10,164

MORGAN STANLEY

$11,561

0.34%

6,085

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	6,085	$11,561	100.0%	Defined

Avalon Trust Co

$8,170

0.24%

4,300

ROYAL BANK OF CANADA

$7,422

0.22%

3,907

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	3,893	$7,396	99.6%	Defined
Held directly	14	$26	0.4%	Sole

Vanguard Global Advisers, LLC

$3,743

0.11%

1,970

FIFTH THIRD BANCORP

$2,470

0.07%

1,300

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

Manager	Shares	Value (USD)	% of position	Discretion
Fifth Third Bank, National Association	1,300	$2,470	100.0%	Defined

Tower Research Capital LLC (TRC)

$2,335

0.07%

1,229

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)	1,229	$2,335	100.0%	Defined

Graney & King, LLC

$1,425

0.04%

750

Smartleaf Asset Management LLC

$655

0.02%

345

BARCLAYS PLC

$269

0.01%

142

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	142	$269	100.0%	Defined

WELLS FARGO & COMPANY/MN

$237

0.01%

125

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

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	125	$237	100.0%	Defined

Clearstead Advisors, LLC

$190

0.01%

100

JPMORGAN CHASE & CO

$110

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities plc	58	$110	100.0%	Defined

Blue Trust, Inc.

$95

0.00%

FIRST COMMUNITY TRUST NA

$95

0.00%

JONES FINANCIAL COMPANIES LLLP

$76

0.00%

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.	40	$76	100.0%	Sole

Rockefeller Capital Management L.P.

$19

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	10	$19	100.0%	Defined

Caitong International Asset Management Co., Ltd

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	10,750	$30,530	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	2	$5	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	1	$2	100.0%	Defined

Key facts CIK 933972 CUSIP 88583P203 13F (30d) 1 filings 1 filers Visit website