Latest Period
Q1 2026
Security Snapshot
374Water Inc. - Common Stock, $0.001 par value per share (SCWO) Institutional Ownership
CUSIP: 88583P203
13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026
Institutions Reporting
47
Shares (Excl. Options)
1,741,321
Price
$2.84
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- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Symbol
- SCWO on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 1,741,321
- Total 13F value
- $4,908,805
- Portfolio coverage rank
- 0%
- Share change
- +159,966
- Value change
- +$513,348
- Number of holders
- 47
- Shares outstanding
- 17,086,917
- SEC-reported price per share
- $2.22
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SCWO - 374Water Inc. - Common Stock, $0.001 par value per share is tracked under CUSIP 88583P203.
- 47 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 44 to 47 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $3,132,481 to $4,908,805.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 47 institutions filings for Q1 2026.
Security key
88583P203
Latest holder period
Q1 2026
13F holders
47
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
SCWO full holder history
374Water Inc. SEC filings
374Water Inc. company facts
374Water Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 88583P203:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
SCWO
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Nagar Yaacov | 19% | 0% | $6,550,977 | 3,211,263 | 0% | Yaacov Nagar | 22 Jan 2026 | |
| McKnight Stephen H. | 2.4% | $1,254,863 | 410,086 | Bryce Allan Johnson | 22 Jan 2026 |
As of 31 Mar 2026, 47 institutional investors reported holding 1,741,321 shares of 374Water Inc. - Common Stock, $0.001 par value per share (SCWO). This represents 10% of the company’s total 17,086,917 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
9.9%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 1.9% | 322,788 | 0% | 0% | $916,718 |
| CAPTRUST FINANCIAL ADVISORS | 1.2% | 206,738 | +150% | 0% | $587,136 |
| HAMILTON LANE ADVISORS LLC | 0.94% | 160,228 | 0% | 0.33% | $455,048 |
| D.A. DAVIDSON & CO. | 0.79% | 135,482 | +24% | 0% | $384,769 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.7% | 119,354 | +16% | 0% | $339,074 |
| Icon Wealth Advisors, LLC | 0.63% | 108,361 | 0% | 0.02% | $261,150 |
| BlackRock, Inc. | 0.46% | 79,292 | -0% | 0% | $225,190 |
| MILLENNIUM MANAGEMENT LLC | 0.37% | 63,675 | -28% | 0% | $180,837 |
| OSAIC HOLDINGS, INC. | 0.37% | 63,353 | 0% | 0% | $179,922 |
| Sigma Planning Corp | 0.31% | 52,353 | +15% | 0% | $148,683 |
| VANGUARD FIDUCIARY TRUST CO | 0.28% | 48,458 | 0% | 0% | $137,621 |
| SENTINEL TRUST CO LBA | 0.23% | 40,130 | 0% | 0.01% | $114,000 |
| RAYMOND JAMES FINANCIAL INC | 0.23% | 39,023 | 0% | 0% | $110,826 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.22% | 37,028 | 0% | $105,160 | |
| UBS Group AG | 0.2% | 33,844 | +148% | 0% | $96,117 |
| NORTHERN TRUST CORP | 0.16% | 28,185 | 0% | 0% | $80,045 |
| STATE STREET CORP | 0.14% | 23,176 | 0% | 0% | $65,820 |
| Trinity Legacy Partners, LLC | 0.14% | 23,162 | -0.03% | 0.02% | $76,435 |
| Uncommon Cents Investing LLC | 0.11% | 18,200 | 0% | 0.01% | $51,688 |
| Mariner, LLC | 0.11% | 18,075 | 0% | 0% | $51,333 |
| Prospera Financial Services Inc | 0.1% | 17,500 | 0% | $49,700 | |
| PATRON PARTNERS, LLC | 0.09% | 15,000 | +7.1% | 0.02% | $42,600 |
| TWO SIGMA INVESTMENTS, LP | 0.08% | 13,627 | 0% | 0% | $38,701 |
| Westend Capital Management, LLC | 0.08% | 13,000 | 0.01% | $36,920 | |
| TFO Wealth Partners, LLC | 0.07% | 11,859 | 0% | 0% | $33,680 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Latest
Q1 2026
Rows shown
1-2 of 2