FUEL TECH, INC. - FTEK
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GRACE & WHITE INC /NY | History | Reduced | 1,485,883 | 2,317 | 0.41% | 0.79% | 1 | -5,800 | -0.39% | Q4 2025 | Jan 26, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 1,147,995 | 1,790 | 0.0% | 0.0% | 2 | +249,089 | 27.71% | Q4 2025 | Feb 12, 2026 |
| VANGUARD GROUP INC | History | Added to | 1,126,003 | 1,756 | 0.0% | 0.0% | 3 | +112,139 | 11.06% | Q4 2025 | Jan 29, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 535,817 | 835 | 0.0% | 0.0% | 4 | +283,894 | 112.69% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 518,939 | 809 | 0.0% | 0.0% | 5 | -4,879 | -0.93% | Q4 2025 | Feb 09, 2026 |
| BlackRock, Inc. | History | No change | 410,364 | 640 | 0.0% | 0.0% | 6 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Peapod Lane Capital LLC | History | Added to | 359,643 | 561 | 0.48% | 0.96% | 7 | +2,705 | 0.76% | Q4 2025 | Jan 28, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 307,382 | 479 | 0.0% | 0.0% | 8 | +70,460 | 29.74% | Q4 2025 | Feb 12, 2026 |
| US BANCORP \DE\ | History | No change | 304,776 | 475 | 0.0% | 0.0% | 9 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 259,276 | 404 | 0.0% | 0.0% | 10 | -40,810 | -13.6% | Q4 2025 | Feb 17, 2026 |
| XTX Topco Ltd | History | Added to | 178,303 | 278 | 0.01% | 0.01% | 11 | +122,291 | 218.33% | Q4 2025 | Feb 17, 2026 |
| Beartown Capital Management, LLC | History | New | 160,027 | 249 | 0.18% | — | 12 | +160,027 | New | Q4 2025 | Feb 18, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 126,160 | 196 | 0.0% | — | 13 | +126,160 | New | Q4 2025 | Feb 17, 2026 |
| STATE STREET CORP | History | Added to | 121,846 | 190 | 0.0% | 0.0% | 14 | +8,100 | 7.12% | Q4 2025 | Feb 13, 2026 |
| MARSHALL WACE, LLP | History | New | 81,011 | 126 | 0.0% | — | 15 | +81,011 | New | Q4 2025 | Feb 13, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | No change | 77,250 | 120 | 0.02% | 0.04% | 16 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| TWO SIGMA ADVISERS, LP | History | New | 67,500 | 105 | 0.0% | — | 17 | +67,500 | New | Q4 2025 | Feb 17, 2026 |
| INTEGRITY WEALTH ADVISORS, INC. | History | No change | 70,000 | 95 | 0.06% | 0.08% | 18 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 51,199 | 79 | 0.0% | 0.0% | 19 | -3,202 | -5.89% | Q4 2025 | Feb 12, 2026 |
| GROUP ONE TRADING LLC | History | Added to | 42,509 | 66 | 0.0% | 0.0% | 20 | +7,303 | 20.74% | Q4 2025 | Feb 12, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Added to | 38,543 | 60 | 0.0% | 0.0% | 21 | +1,988 | 5.44% | Q4 2025 | Feb 13, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 32,011 | 50 | 0.0% | 0.01% | 22 | -4,479 | -12.27% | Q4 2025 | Feb 06, 2026 |
| NORTHERN TRUST CORP | History | No change | 31,435 | 49 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Cresset Asset Management, LLC | History | No change | 25,500 | 39 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Legato Capital Management LLC | History | No change | 18,165 | 28 | 0.0% | 0.01% | 25 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| Virtu Financial LLC | History | New | 17,254 | 27 | 0.0% | — | 26 | +17,254 | New | Q4 2025 | Feb 23, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 15,499 | 24 | 0.0% | 0.0% | 27 | -60,502 | -79.61% | Q4 2025 | Feb 11, 2026 |
| TWO SIGMA SECURITIES, LLC | History | New | 14,583 | 22 | 0.0% | — | 28 | +14,583 | New | Q4 2025 | Feb 17, 2026 |
| Covestor Ltd | History | No change | 13,187 | 21 | 0.01% | 0.02% | 29 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| Quadrature Capital Ltd | History | New | 11,579 | 18 | 0.0% | — | 30 | +11,579 | New | Q4 2025 | Feb 17, 2026 |
| HighTower Advisors, LLC | History | Added to | 10,440 | 16 | 0.0% | 0.0% | 31 | +40 | 0.38% | Q4 2025 | Feb 06, 2026 |
| Founders Capital Management | History | No change | 5,000 | 7 | 0.0% | 0.01% | 32 | 0 | 0.0% | Q4 2025 | Jan 15, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 4,288 | 6 | 0.0% | — | 33 | +4,288 | New | Q4 2025 | Feb 17, 2026 |
| NewEdge Advisors, LLC | History | Reduced | 2,327 | 3 | 0.0% | 0.0% | 34 | -15,326 | -86.82% | Q4 2025 | Feb 18, 2026 |
| New England Capital Financial Advisors LLC | History | No change | 2,000 | 3 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q4 2025 | Feb 02, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 1,150 | 1 | 0.0% | 0.0% | 36 | -2,500 | -68.49% | Q4 2025 | Feb 13, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 719 | 1 | 0.0% | 0.0% | 38 | -110 | -13.27% | Q4 2025 | Feb 03, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 1,200 | 1 | 0.0% | 0.0% | 37 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Informed Momentum Co LLC | History | Closed out | 0 | 0 | — | 0.12% | — | -338,712 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Mercuria Capital Strategies, LLC | History | Closed out | 0 | 0 | — | 0.95% | — | -240,000 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Murchinson Ltd. | History | Closed out | 0 | 0 | — | 0.06% | — | -150,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -41,251 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Integrated Wealth Concepts LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -35,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -31,300 | -100.0% | Q3 2025 | Nov 14, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -23,329 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Advisory Services Network, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -21,627 | -100.0% | Q3 2025 | Nov 18, 2025 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,233 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -474 | -100.0% | Q3 2025 | Nov 10, 2025 |
| Spire Wealth Management | History | Closed out | 0 | 0 | — | — | — | -200 | -100.0% | Q3 2025 | Oct 23, 2025 |
| Motiv8 Investments LLC | History | New | 100 | 0 | — | — | — | +100 | New | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Closed out | 0 | 0 | — | — | — | -97 | -100.0% | Q3 2025 | Nov 13, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 280 | 0 | — | — | — | +63 | 29.03% | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | New | 21 | 0 | — | — | — | +21 | New | Q4 2025 | Feb 13, 2026 |
| FMR LLC | History | New | 18 | 0 | — | — | — | +18 | New | Q4 2025 | Feb 17, 2026 |
| Wilmington Savings Fund Society, FSB | History | No change | 500 | 0 | — | 0.0% | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| CKW FINANCIAL GROUP | History | No change | 200 | 0 | — | 0.0% | — | 0 | 0.0% | Q4 2025 | Jan 26, 2026 |
| Steward Partners Investment Advisory, LLC | History | No change | 600 | 0 | — | 0.0% | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |