13F Insight
DOSSIER · 13F Holders · Q1 2026
SCWO

374WATER INC COM

45 institutions still hold 374WATER INC COM as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 88583P203·45 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$4M
visible holders
Holders
45
filers reporting
Concentration
21.42%
VANGUARD CAPITAL MANAGEMENT LLC #1
top holder share
AI Holders Summary · Q1 2026

45 institutions reported SCWO in Q1 2026. VANGUARD CAPITAL MANAGEMENT LLC leads at 21.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$917K323K0.00%Q1 202602
CAPTRUST FINANCIAL ADVISORS
CIK 0001512024
$587K207K0.00%Q1 202603
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$339K119K0.00%Q1 202604
HAMILTON LANE ADVISORS LLC
CIK 0001573767
$304K160K0.20%Q2 202605
D.A. DAVIDSON & CO.
CIK 0001080107
$282K148K0.00%Q2 202606
Icon Wealth Advisors, LLC
CIK 0001963212
$261K108K0.02%Q1 202607
BlackRock, Inc.
CIK 0002012383
$225K79K0.00%Q1 202608
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$181K64K0.00%Q1 202609
OSAIC HOLDINGS, INC.
CIK 0001677044
$180K63K0.00%Q1 202610
Sigma Planning Corp
CIK 0001449126
$149K52K0.00%Q1 202611
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$138K48K0.00%Q1 202612
SENTINEL TRUST CO LBA
CIK 0001114739
$114K40K0.01%Q1 202613
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$111K39K0.00%Q1 202614
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$105K37K0.00%Q1 202615
UBS Group AG
CIK 0001610520
$96K34K0.00%Q1 202616
NORTHERN TRUST CORP
CIK 0000073124· Index
$80K28K0.00%Q1 202617
STATE STREET CORP
CIK 0000093751
$66K23K0.00%Q1 202618
Mariner, LLC
CIK 0001373442
$51K18K0.00%Q1 202619
Trinity Legacy Partners, LLC
CIK 0001652529
$51K23K0.01%Q2 202620
PATRON PARTNERS, LLC
CIK 0001841768
$43K15K0.02%Q1 2026
Page 1 of 3
25 more holders available. Log in →
Insiders at 374WATER INC COM
Weiser Charles Maurice →Russell Kline →Jones Stephen J →Nagar Yaacov →Melkote Rajesh Ramaswamy →Meyers Brad Ian →Pawloski James →Mandel Peter →