13F

Stock

Fuel Tech, Inc.

FTEK · held by 45 managers

Reported value

$8.91M

Holders

45

+6 new · −8 exited

Holders’ est. mark

−$1.86M

Price effect on 35 books still in the name

Largest holder

$1.88M

GRACE & WHITE INC /NY

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
GRACE & WHITE INC /NY1.54M$1.88M−$505.2KCut−$437.6K
Renaissance Technologies1.41M$1.72M−$390.3KCut−$73.3K
VANGUARD CAPITAL MANAGEMENT LLC988K$1.21MHeld
GEODE CAPITAL MANAGEMENT, LLC532.8K$650.1K−$176.5KCut−$159.5K
Peapod Lane Capital LLC478.8K$582.1K−$123.8KAdded$21.1K
BlackRock, Inc.410.4K$500.6K−$139.5KCut−$139.5K
US BANCORP \DE\304.8K$371.8K−$103.6KCut−$103.6K
TWO SIGMA INVESTMENTS, LP238.1K$290.5K−$42.9KAdded$93.6K
Citadel221.4K$270.1K−$75.3KCut−$516.2K
Beartown Capital Management, LLC146.7K$179K−$49.9KCut−$70.7K
SUSQUEHANNA INTERNATIONAL GROUP, LLP140.1K$170.9K−$47.6KCut−$200.3K
VANGUARD FIDUCIARY TRUST CO132.5K$161.7KHeld
State Street121.8K$148.7K−$41.4KCut−$41.4K
XTX Topco Ltd118.2K$144.3K−$40.2KCut−$133.9K
INTEGRITY WEALTH ADVISORS, INC.115K$140.3K−$9.8KAdded$45.1K
ESSEX INVESTMENT MANAGEMENT CO LLC77.3K$94.2K−$26.3KCut−$26.3K
JANE STREET GROUP, LLC70.8K$86.4K−$24.1KCut−$320.4K
GROUP ONE TRADING LLC40.2K$49.1K−$13.7KCut−$17.3K
Integrated Wealth Concepts LLC35K$42.7KNew
NORTHERN TRUST CORP31.4K$38.4K−$10.7KCut−$10.7K
Cresset Asset Management, LLC25.5K$31.1K−$8.67KCut−$8.67K
MARSHALL WACE, LLP21.8K$26.6K−$7.4KCut−$99.8K
DIMENSIONAL FUND ADVISORS LP19.4K$23.6K−$6.68KCut−$56.2K
Chicago Partners Investment Group LLC17.1K$23.1KNew
Legato Capital Management LLC18.2K$22.2K−$6.18KCut−$6.18K
LexAurum Advisors, LLC14.2K$17.3KHeld
HighTower Advisors, LLC10.4K$12.7K−$3.55KCut−$3.55K
Founders Capital Management6K$7.32K−$1.7KCut−$480
Vanguard Global Advisers, LLC5.5K$6.71KHeld
Tower Research Capital LLC (TRC)3.21K$3.92K−$1.09KCut−$2.77K
New England Capital Financial Advisors LLC2K$2.44K−$680Cut−$680
OSAIC HOLDINGS, INC.1.2K$1.46K−$408Cut−$408
SIMPLEX TRADING, LLC1K$1.22K−$342Cut−$3.92K
Advisory Services Network, LLC900$1.1KNew
SBI Securities Co., Ltd.710$866−$242Cut−$256
Steward Partners Investment Advisory, LLC600$732−$204Cut−$204
Wilmington Savings Fund Society, FSB500$610−$170Cut−$170
GSA CAPITAL PARTNERS LLP246.3K$300−$11Added$250
Orion Capital Management LLC100$122New
MORGAN STANLEY21$26−$7Cut−$7
Fidelity18$22−$6Cut−$6
Covestor Ltd12.4K$15−$5Cut−$6
Caitong International Asset Management Co., Ltd3$4New
UBS Group AG1$1New
CKW FINANCIAL GROUP200$0$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.