DOSSIER · 13F Holders · Q3 2026
FTEK

FUEL TECH INC

45 institutions still hold FUEL TECH INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 359523107·45 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$13M
visible holders
Holders
45
filers reporting
Concentration
18.50%
GRACE & WHITE INC /NY #1
top holder share
AI Holders Summary · Q3 2026

45 institutions reported FTEK in Q3 2026. GRACE & WHITE INC /NY leads at 18.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
GRACE & WHITE INC /NY
CIK 0000903064
$2M1.5M0.41%Q3 2026
02
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$2M1.1M0.00%Q2 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$2M1.0M0.00%Q2 2026
04
Peapod Lane Capital LLC
CIK 0002050979
$1M765K0.92%Q3 2026
05
BlackRock, Inc.
CIK 0002012383
$1M496K0.00%Q2 2026
06
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$849K524K0.00%Q3 2026
07
US BANCORP \DE\
CIK 0000036104
$494K305K0.00%Q3 2026
08
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$372K168K0.00%Q2 2026
09
Beartown Capital Management, LLC
CIK 0001877162
$324K147K0.14%Q2 2026
10
GSA CAPITAL PARTNERS LLP
CIK 0001362033
$300K246K0.02%Q1 2026
11
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$295K133K0.00%Q2 2026
12
STATE STREET CORP
CIK 0000093751
$269K122K0.00%Q2 2026
13
INTEGRITY WEALTH ADVISORS, INC.
CIK 0001951908
$219K135K0.11%Q3 2026
14
WOLVERINE TRADING, LLC
CIK 0000927337
$217K74K0.00%Q3 2025
15
NORTHERN TRUST CORP
CIK 0000073124· Index
$133K60K0.00%Q2 2026
16
THOMPSON DAVIS & CO., INC.
CIK 0001017284
$127K78K0.08%Q3 2026
17
ESSEX INVESTMENT MANAGEMENT CO LLC
CIK 0000201772
$125K77K0.02%Q3 2026
18
TWO SIGMA ADVISERS, LP
CIK 0001478735
$105K68K0.00%Q4 2025
19
Rothschild Wealth LLC
CIK 0001811345
$88K40K0.01%Q2 2026
20
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$86K71K0.00%Q1 2026
Page 1 of 3
25 more holders available. Log in →
Insiders at FUEL TECH INC
Nuggihalli Ramesh →Jones Sharon L →Bailey Douglas G →Zeitler Dennis L →Arnone Vincent J →Albrecht Ellen T →Cummings William E Jr →Bailey Bettye J →