FUEL TECH, INC. - FTEK

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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