DOSSIER · 13F Holders · Q2 2026
FTEK

FUEL TECH INC

46 institutions still hold FUEL TECH INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 359523107·46 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$16M
visible holders
Holders
46
filers reporting
Concentration
20.77%
GRACE & WHITE INC /NY #1
top holder share
AI Holders Summary · Q2 2026

46 institutions reported FTEK in Q2 2026. GRACE & WHITE INC /NY leads at 20.8% 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
$3M1.5M0.54%Q2 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
$2M821K1.22%Q2 2026
05
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$1M523K0.00%Q2 2026
06
BlackRock, Inc.
CIK 0002012383
$1M496K0.00%Q2 2026
07
CITADEL ADVISORS LLC
CIK 0001423053
$836K536K0.00%Q4 2025
08
US BANCORP \DE\
CIK 0000036104
$674K305K0.00%Q2 2026
09
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$372K168K0.00%Q2 2026
10
Beartown Capital Management, LLC
CIK 0001877162
$324K147K0.14%Q2 2026
11
GSA CAPITAL PARTNERS LLP
CIK 0001362033
$300K246K0.02%Q1 2026
12
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$295K133K0.00%Q2 2026
13
STATE STREET CORP
CIK 0000093751
$269K122K0.00%Q2 2026
14
Marquette Asset Management, LLC
CIK 0001395067
$244K111K0.03%Q2 2026
15
WOLVERINE TRADING, LLC
CIK 0000927337
$217K74K0.00%Q3 2025
16
THOMPSON DAVIS & CO., INC.
CIK 0001017284
$190K86K0.11%Q2 2026
17
ESSEX INVESTMENT MANAGEMENT CO LLC
CIK 0000201772
$171K77K0.02%Q2 2026
18
INTEGRITY WEALTH ADVISORS, INC.
CIK 0001951908
$140K115K0.08%Q1 2026
19
NORTHERN TRUST CORP
CIK 0000073124· Index
$133K60K0.00%Q2 2026
20
TWO SIGMA ADVISERS, LP
CIK 0001478735
$105K68K0.00%Q4 2025
Page 1 of 3
26 more holders available. Log in →
Insiders at FUEL TECH INC
Jones Sharon LBailey Douglas GZeitler Dennis LArnone Vincent JAlbrecht Ellen TCummings William E JrBailey Bettye JMarkowsky James J