$SCWO

$2.36 +$0.00 (0.0%) Close

$SCWO Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 17.7M shares outstanding

Who owns SCWO?

By type of holder

Institutions 9.9% Insiders 33.0% Everyone else 57.0%

Concentration Top 10 holders own 37.1%

Deshusses Marc 12.8% · Yaacov Nagar 10.0%

Institutional ownership

9.9%

+0.1 pts vs last qtr

Institutional holders

-4 vs last qtr

Net shares bought

+19.6K

by institutions in Q2 2026

New / sold out

6 / 10

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +40.2K
Vanguard Fiduciary Trust Co +21.6K

Biggest sellers in Q2 2026

Susquehanna International Group, LLP SOLD OUT −37.0K
Millennium Management LLC −15.2K

Who is planning to sell?

Notices of proposed sale, last 12 months

$47.3K

1 notice from 1 person

Shares covered

18.8K

0.11% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Meyers Brad Ian Officer $47.3K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2023–FY2025

+16.8%

+8.09% a year

Each share's claim on the business

−14.4%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $5.69M

over 3 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

7.9%

of institutional shares changed hands

Top 10 managers, median time held

2 quarters

Super Investors

Investment managers reporting SCWO on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
VC Vanguard Capital Management LLC	322.8K	1.82%	Unchanged	Q4 '25	0.0%
Shares held by quarter Peak holding322.8K (Q1'26) Change over 8 quarters+322.8K Share of the company1.820% Vanguard Capital Management LLC's full portfolio →
CF Captrust Financial Advisors	206.7K	1.17%	Unchanged	Q4 '25	0.0%
Shares held by quarter Peak holding206.7K (Q1'26) Change over 8 quarters+206.7K Share of the company1.170% Captrust Financial Advisors's full portfolio →

Vanguard Capital Management LLC

322.8K

% of company

1.82%

Change vs last qtr

Unchanged

Held since

Q4 '25

Captrust Financial Advisors

206.7K

% of company

1.17%

Change vs last qtr

Unchanged

Held since

Q4 '25

28 more super investors behind a free account

See every manager holding 374Water Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting SCWO on Form N-PORT; together they hold 2.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$407K	214.1K	1.21%	0.00%	June 30, 2026
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$206K	108.6K	0.61%	0.00%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$407K

% of company

1.21%

% of the fund

0.00%

As of

June 30, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$206K

% of company

0.61%

% of the fund

0.00%

As of

June 30, 2026

8 more funds behind a free account

See every fund holding 374Water Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
DM Deshusses Marc Insider	2.3M	12.78%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company12.780% Deshusses Marc's insider activity →
YN Yaacov Nagar 5%+ holder 13D · 10.2%	1.8M	10.00%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company10.000% Disclosed stake13D · 10.2% View the 13D/G filing →

Deshusses Marc

Insider

2.3M

% of company

12.78%

Change vs last qtr

—

Held since

—

Yaacov Nagar

5%+ holder13D · 10.2%

1.8M

% of company

10.00%

Change vs last qtr

—

Held since

—

15 more holders behind a free account

See every insider and 5%+ holder of 374Water Inc.

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