374Water, Inc.

SCWO • NASDAQ

374Water, Inc. is a industrial - pollution & treatment controls company in the industrials sector on NASDAQ, led by Christian Gannon, with a market cap of $47.1M. As of Q3 2025, 10% of shares are held by 61 institutional investors, with VANGUARD GROUP INC as the largest holder at 2.17%.

President and Chief Executive OfficerChristian Gannon

Market Cap$47.1M

Industrial - Pollution & Treatment Controls

Industrials

Employees26.0

Website374water.com

Country

United States of America

Overview

Overview of institutional ownership in SCWO as of Q3 2025 with a market cap of $43.3M

All Institutions

Institutions: 61
Value Held: $4.2M
Shares Held: 14.5M
Avg Position: $68.5K
Median Position: $10.6K

Hedge Funds

Hedge Funds: 4
Value Held: $409.5K
Shares Held: 1.4M
Avg Position: $102.4K
Median Position: $45.8K

Ownership Breakdown

Institutional (non-HF)

8.7%

$3.8M

Hedge Funds

0.945%

$409.5K

Retail & Other

90.36%

$39.2M

Based on market cap of $43.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in SCWO as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$941.6K 0.00% of portfolio	2.17% 3.3M shares	Q3 2022 Held for 3y 2m	$6.69T
HAMILTON LANE ADVISORS LLC Fund of Funds	Erik Robert Hirsch CEO	$464.9K 0.29% of portfolio	1.07% 1.6M shares	Q2 2022 Held for 3y 5m	$161.8M
Icon Wealth Advisors, LLC RIA/Wealth	Mark Baker Mcadams Founder	$338.3K 0.02% of portfolio	0.78% 1.2M shares	Q4 2023 Held for 1y 11m	$1.4B
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dan Michael Berkovitz Chairman	$311.0K 0.00% of portfolio	0.72% 1.1M shares	Q2 2025 Held for 5 months	$121.98B
D DAVIDSON D A & CO Institution	-	$290.6K 0.00% of portfolio	0.67% 1.0M shares	Q2 2023 Held for 2y 5m	$15.6B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$251.6K 0.00% of portfolio	0.58% 876.5K shares	Q1 2023 Held for 2y 8m	$1.57T
B BlackRock, Inc. Institution	-	$227.5K 0.00% of portfolio	0.52% 792.8K shares	Q1 2023 Held for 2y 8m	$5.67T
CAPTRUST FINANCIAL ADVISORS RIA/Wealth	James Fielding Miller CEO	$208.5K 0.00% of portfolio	0.48% 726.9K shares	Q3 2020 Held for 5y 2m	$48.9B
S SENTINEL TRUST CO LBA Institution	-	$115.1K 0.01% of portfolio	0.27% 401.3K shares	Q2 2023 Held for 2y 5m	$900.2M
RAYMOND JAMES FINANCIAL INC RIA/Wealth	Steven Robert Marcus CEO	$112.0K 0.00% of portfolio	0.26% 390.2K shares	Q4 2024 Held for 11 months	$310.43B

Net Capital Flow

Institutional buying and selling activity for SCWO in Q3 2025

Traded: −$385.0K
Buyers: 25
Sellers: 30
Total Bought: +$381.1K
Total Sold: −$766.2K
Avg Position: $51.6K

Biggest Buyers

Institution	Net Bought	Current Position
D DAVIDSON D A & CO Institution	+$79.3K +276.3K shares	$290.6K 1.0M shares
A Advisor Group Holdings, Inc. Institution	+$51.5K +179.6K shares	$51.6K 179.9K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$50.5K +175.9K shares	$50.5K 175.9K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$41.1K +143.3K shares	$41.1K 143.3K shares
TFO-TDC, LLC RIA/Wealth	+$34.0K +118.6K shares	$34.0K 118.6K shares
NORTHERN TRUST CORP Institution	+$28.7K +100.0K shares	$64.3K 224.1K shares
VANGUARD GROUP INC Institution	+$22.1K +77.1K shares	$941.6K 3.3M shares
J JANE STREET GROUP, LLC Institution	+$12.5K +43.4K shares	$37.3K 130.0K shares
N NATIONAL BANK OF CANADA /FI/ Institution	+$10.0K +35.0K shares	$10.6K 37.0K shares
Sigma Planning Corp RIA/Wealth	+$9.2K +32.0K shares	$96.4K 335.9K shares

Biggest Sellers

Institution	Net Sold	Current Position
B BlackRock, Inc. Institution	−$186.7K −650.7K shares	$227.5K 792.8K shares
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager	−$104.5K −322.2K shares	Sold Off 0 shares
GOLDMAN SACHS GROUP INC Institution	−$86.1K −300.1K shares	$13.0K 45.2K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$63.1K −194.6K shares	Sold Off 0 shares
Marshall Wace LLP Institution	−$56.8K −177.4K shares	Sold Off 0 shares
Q Qube Research & Technologies Ltd Institution	−$55.5K −193.4K shares	$26.9K 93.9K shares
Y Y-Intercept Ltd Institution	−$34.6K −106.7K shares	Sold Off 0 shares
JPMORGAN CHASE & CO Institution	−$31.7K −110.6K shares	$5.9K 20.6K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$30.9K −107.7K shares	$311.0K 1.1M shares
Jain Global LLC Hedge Fund•Multi-Strategy	−$18.5K −57.1K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited SCWO in Q3 2025

New Positions: 4
New Value: $49.1K
Exited Positions: 19
Exited Value: $338.1K

New Positions

Institution	Position Value
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	$41.1K 143.3K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	$6.9K 24.2K shares
Smartleaf Asset Management LLC Long Only Manager	$1.0K 3.5K shares
O Optiver Holding B.V. Institution	$14.0 48.0 shares

Exited Positions

Institution	Previous Position
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager	$104.5K 322.2K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$63.1K 194.6K shares
Marshall Wace LLP Institution	$56.8K 177.4K shares
Y Y-Intercept Ltd Institution	$34.6K 106.7K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$18.5K 57.1K shares
C CANTOR FITZGERALD, L. P. Institution	$16.2K 50.1K shares
Callan Family Office, LLC Family Office	$14.1K 43.6K shares
GGM Financials LLC RIA/Wealth	$7.2K 22.1K shares
V Virtu Financial LLC Institution	$5.7K 17.9K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$5.3K 16.3K shares

Options Activity

Institutions with the largest Call and Put options positions in SCWO as of Q3 2025

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with SCWO as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
HAMILTON LANE ADVISORS LLC Fund of Funds	Erik Robert Hirsch CEO	0.29% $464.9K	1.07% 1.6M shares	Q2 2022 Held for 3y 5m	$161.8M
Icon Wealth Advisors, LLC RIA/Wealth	Mark Baker Mcadams Founder	0.02% $338.3K	0.78% 1.2M shares	Q4 2023 Held for 1y 11m	$1.4B
Trinity Legacy Partners LLC RIA/Wealth	Fredric Brian Fisher President	0.02% $88.5K	0.15% 231.7K shares	Q4 2022 Held for 2y 11m	$434.5M
PATRON PARTNERS ADVISORS, LLC RIA/Wealth	Stephen Francis Caton Managing Partner	0.02% $37.3K	0.09% 130.0K shares	Q4 2024 Held for 11 months	$220.7M
Uncommon Cents Investing LLC RIA/Wealth	Sheena Marie Hanson Managing Partner	0.01% $51.6K	0.12% 180.0K shares	Q2 2023 Held for 2y 5m	$402.2M
S SENTINEL TRUST CO LBA Institution	-	0.01% $115.1K	0.27% 401.3K shares	Q2 2023 Held for 2y 5m	$900.2M
Oceanside Advisors LLC RIA/Wealth	Johann Robert Kroll Managing Partner	0.01% $14.3K	0.03% 50.0K shares	Q4 2023 Held for 1y 11m	$160.0M
Warburton Capital Management, LLC RIA/Wealth	Thomas Kent Warburton Founder	0.01% $10.0K	0.02% 35.0K shares	Q1 2025 Held for 8 months	$165.6M
TFO-TDC, LLC RIA/Wealth	Christopher Edward Erblich CEO	0.01% $34.0K	0.08% 118.6K shares	Q3 2022 Held for 3y 2m	$609.1M
Compass Ion Advisors, LLC RIA/Wealth	Matthew Daniel Kane President	0.00% $29.2K	0.07% 101.6K shares	Q2 2022 Held for 3y 5m	$1.0B

Hedge Fund Spotlight

Discover hedge funds investing in SCWO

RENAISSANCE TECHNOLOGIES LLC

Hedge Fund • Quant

Portfolio ManagerPeter Fitzhugh Brown

Portfolio Value: $75.8B
Positions: 3,419
Last Reported: Q3 2025

Sector Allocation

Position in 374Water, Inc.

Market Value: $50.5K
Shares Held: 175.9K
Portfolio Weight: 0.00%
Owned Since: 2025-Q3

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