Fuel TechFTEK
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 45 institutions reported holding Fuel Tech Inc. (FTEK) in their 13F filings, down 3 from Q3 2025. 10 opened new positions and 12 sold out. The largest holders were Grace & White Inc. ($2.3M), Renaissance Technologies ($1.8M) and Vanguard Group Inc. ($1.8M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Fuel Tech Inc.
- CUSIP
- 359523107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $503K |
| Exits | 12 | $2.7M |
All 13F filers, Q3 2025 → Q4 2025: 1,260,076 shares bought and 970,721 shares sold, net +289,355 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 45 holders
| Grace & White Inc. | 0.42% | Reduce -0.4% | 1,485,883 | $2.3M |
| Renaissance Technologies | 0.00% | Add +27.7% | 1,147,995 | $1.8M |
| Vanguard Group Inc. | 0.00% | Add +11.1% | 1,126,003 | $1.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.9% | 518,939 | $810K |
| Citadel Advisors | 0.00% | Add +296.8% | 504,017 | $786K |
| BlackRock, Inc. | 0.00% | No change | 410,364 | $640K |
| Peapod Lane Capital LLC | 0.48% | Add +0.8% | 359,643 | $561K |
| US Bancorp \de | 0.00% | No change | 304,776 | $475K |
| Jane Street Group, LLC | 0.00% | Add +10.1% | 260,782 | $407K |
| Susquehanna International Group, LLP | 0.00% | Add +13.3% | 237,976 | $371K |
| XTX Topco Ltd | 0.01% | Add +218.3% | 178,303 | $278K |
| Beartown Capital Management, LLC | 0.20% | — | 160,027 | $250K |
| Two Sigma Investments, LP | 0.00% | New | 126,160 | $197K |
| State Street Corp. | 0.00% | Add +7.1% | 121,846 | $190K |
| Marshall Wace, LLP | 0.00% | New | 81,011 | $126K |
| Essex Investment Management Co. LLC | 0.02% | No change | 77,250 | $121K |
| Two Sigma Advisers, LP | 0.00% | New | 67,500 | $105K |
| Integrity Wealth Advisors, Inc. | 0.07% | No change | 70,000 | $95K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -5.9% | 51,199 | $80K |
| Group One Trading LLC | 0.00% | Add +40.7% | 42,509 | $66K |
| American Century Companies Inc. | 0.00% | Add +5.4% | 38,543 | $60K |
| Gsa Capital Partners LLP | 0.00% | Reduce -12.3% | 32,011 | $50K |
| Northern Trust Corp. | 0.00% | No change | 31,435 | $49K |
| Cresset Asset Management, LLC | 0.00% | No change | 25,500 | $40K |
| Legato Capital Management LLC | 0.00% | No change | 18,165 | $28K |
| Virtu Financial LLC | 0.00% | New | 17,254 | $27K |
| Two Sigma Securities, LLC | 0.00% | New | 14,583 | $23K |
| Covestor Ltd | 0.01% | No change | 13,187 | $21K |
| Quadrature Capital Ltd | 0.00% | New | 11,579 | $18K |
| HighTower Advisors, LLC | 0.00% | Add +0.4% | 10,440 | $16K |
| Founders Capital Management | 0.00% | No change | 5,000 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 4,288 | $7K |
| Simplex Trading, LLC | 0.00% | Reduce -92.2% | 3,299 | $5K |
| NewEdge Advisors, LLC | 0.00% | Reduce -86.8% | 2,327 | $4K |
| New England Capital Financial Advisors LLC | 0.00% | No change | 2,000 | $3K |
| Osaic Holdings, Inc. | 0.00% | No change | 1,200 | $2K |
| Wells Fargo & Company | 0.00% | Reduce -68.5% | 1,150 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -13.3% | 719 | $1K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 600 | $936 |
| Wilmington Savings Fund Society, FSB | 0.00% | No change | 500 | $780 |
| Bank of America Corp. | 0.00% | Add +29.0% | 280 | $437 |
| Morgan Stanley | 0.00% | New | 21 | $33 |
| FMR LLC | 0.00% | New | 18 | $28 |
| CKW Financial Group | 0.00% | No change | 200 | $0 |
| Motiv8 Investments LLC | 0.00% | New | 100 | $0 |
"% of holder's portfolio" is FTEK's weight in each manager's 13F, not the share of Fuel Tech Inc. the manager owns.