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374Water Inc.

SCWO
Exchange
Nasdaq
Industry
Motors & Generators
SEC CIK
0000933972

No open-market purchases or sales by 374Water Inc. insiders were filed in the last 90 days; 44 institutions reported holding it in 13F filings for Q2 2026, worth $3.40M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in 374Water Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
47
+4 vs. Q4 2025
Shares held
1.74M
+532.6K (+44.1%) vs. Q4 2025
Total value
$4.91M
+$2.44M (+99.0%) vs. Q4 2025
New holders
9
7 more added
Sold out
5
7 more reduced

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SCWO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 47 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 1 institutionQ4 2021: 1 institutionQ1 2022: 1 institutionQ2 2022: 14 institutionsQ3 2022: 25 institutionsQ4 2022: 29 institutionsQ1 2023: 47 institutionsQ2 2023: 63 institutionsQ3 2023: 62 institutionsQ4 2023: 66 institutionsQ1 2024: 69 institutionsQ2 2024: 66 institutionsQ3 2024: 76 institutionsQ4 2024: 75 institutionsQ1 2025: 78 institutionsQ2 2025: 74 institutionsQ3 2025: 62 institutionsQ4 2025: 44 institutionsQ1 2026: 47 institutionsQ2 2026: 44 institutions
Value heldQ1 2026: $4.91M
Q1 2021: $0Q2 2021: $0Q3 2021: $101.0KQ4 2021: $139.0KQ1 2022: $197.0KQ2 2022: $13.1MQ3 2022: $21.1MQ4 2022: $21.0MQ1 2023: $52.5MQ2 2023: $38.4MQ3 2023: $20.2MQ4 2023: $22.9MQ1 2024: $21.1MQ2 2024: $21.1MQ3 2024: $24.8MQ4 2024: $13.6MQ1 2025: $6.58MQ2 2025: $5.22MQ3 2025: $4.18MQ4 2025: $3.13MQ1 2026: $4.91MQ2 2026: $3.40M
Institutions holding SCWO and their total value by quarter
QuarterHoldersValue
Q2 202644$3.40M
Q1 202647$4.91M
Q4 202544$3.13M
Q3 202562$4.18M
Q2 202574$5.22M
Q1 202578$6.58M
Q4 202475$13.6M
Q3 202476$24.8M
Q2 202466$21.1M
Q1 202469$21.1M
Q4 202366$22.9M
Q3 202362$20.2M
Q2 202363$38.4M
Q1 202347$52.5M
Q4 202229$21.0M
Q3 202225$21.1M
Q2 202214$13.1M
Q1 20221$197.0K
Q4 20211$139.0K
Q3 20211$101.0K
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding 374Water Inc.; share changes are against Q4 2025.

Institutions holding SCWO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Citigroup Inc1$30.00%+1New
Optiver Holding B.V.2$60.00%00.0%Unchanged
Rockefeller Capital Management L.P.10$280.00%−305−96.8%Reduced
First Pacific Financial30$860.00%+30New
Jones Financial Companies LLLP40$1180.00%+40New
First Community Trust NA50$1420.00%00.0%Unchanged
Ronald Blue Trust, Inc.50$1420.00%00.0%Unchanged
JPMorgan Chase & Co58$1600.00%00.0%Unchanged
Clearstead Advisors, LLC100$2840.00%00.0%Unchanged
Quadrant Capital Group LLC210$5970.00%00.0%Unchanged
Wealth Preservation Advisors, LLC250$7100.00%00.0%Unchanged
Smartleaf Asset Management LLC345$9490.00%00.0%Unchanged
Graney & King, LLC750$2.13K0.00%00.0%Unchanged
Fifth Third Bancorp1,300$3.69K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,303$3.70K0.00%−2,940−69.3%Reduced
Royal Bank of Canada1,676$4.00K0.00%+911+119.1%Added
Vanguard Global Advisers, LLC1,970$5.59K0.00%+1,970New
Avalon Trust Co4,300$12.2K0.00%00.0%Unchanged
Morgan Stanley6,085$17.3K0.00%−587−8.8%Reduced
Matrix Asset Advisors Inc10,000$28.4K0.00%00.0%Unchanged
Compass Ion Advisors, LLC10,164$28.9K0.00%00.0%Unchanged
National Bank of Canada10,750$30.5K0.00%−150−1.4%Reduced
Tfo-TDC, LLC11,859$33.7K0.00%00.0%Unchanged
Westend Capital Management, LLC13,000$36.9K0.01%+13,000New
Two Sigma Investments, LP13,627$38.7K0.00%00.0%Unchanged
Patron Partners Advisors, LLC15,000$42.6K0.02%+1,000+7.1%Added
Prospera Financial Services Inc17,500$49.7K0.00%+17,500New
Mariner, LLC18,075$51.3K0.00%00.0%Unchanged
Uncommon Cents Investing LLC18,200$51.7K0.01%00.0%Unchanged
State Street Corp23,176$65.8K0.00%00.0%Unchanged
Trinity Legacy Partners, LLC23,162$76.4K0.02%−60.0%Reduced
Northern Trust Corp28,185$80.0K0.00%00.0%Unchanged
UBS Group AG33,844$96.1K0.00%+20,189+147.9%Added
Susquehanna International Group, LLP37,028$105.2K0.00%+37,028New
Raymond James Financial Inc39,023$110.8K0.00%00.0%Unchanged
Sentinel Trust Co Lba40,130$114.0K0.01%00.0%Unchanged
Vanguard Fiduciary Trust Co48,458$137.6K0.00%+48,458New
Sigma Planning Corp52,353$148.7K0.00%+7,000+15.4%Added
Advisor Group Holdings, Inc.63,353$179.9K0.00%00.0%Unchanged
Millennium Management LLC63,675$180.8K0.00%−24,983−28.2%Reduced
BlackRock, Inc.79,292$225.2K0.00%−30.0%Reduced
Icon Wealth Advisors, LLC108,361$261.1K0.02%00.0%Unchanged
Geode Capital Management, LLC119,354$339.1K0.00%+16,510+16.1%Added
D.A. Davidson & Co.135,482$384.8K0.00%+26,188+24.0%Added
Hamilton Lane Advisors LLC160,228$455.0K0.33%00.0%Unchanged
Captrust Financial Advisors206,738$587.1K0.00%+124,051+150.0%Added
Vanguard Capital Management LLC322,788$916.7K0.00%+322,788New
Jane Street Group, LLC0$00.00%−61,929−100.0%Sold out
Virtu Financial LLC0$00.00%−12,604−100.0%Sold out
BNP Paribas Arbitrage, SA0$00.00%−368−100.0%Sold out
Fortitude Family Office, LLC0$00.00%−128−100.0%Sold out
Bank of America Corp0$00.00%−98−100.0%Sold out
Vanguard Group Inc––––Not filed