FTEK · Fuel Tech, Inc.

$1.55 +0.12 (+8.39%) At close · Sep 4

Market Cap

$48.39M

31.22M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 42

Total Value: $16,015,546

Total Shares: 7,246,862

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 42 13F filers · Δ vs Mar 31, 2026

Top Holder

21.3%

+1.0 pts

Top 5

68.9%

+3.7 pts

Top 10

88.4%

+4.4 pts

HHI

1,160

Broadly held+49

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -3

Institutional value: +73.0%

Shares held: -4.5%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Small Peapod Lane Capital LLC	+341,750	820,592
Mega BlackRock, Inc.	+86,129	496,493
Mid GSA CAPITAL PARTNERS LLP	+48,889	295,141
Mega JANE STREET GROUP, LLC	+38,686	109,483
Mega NORTHERN TRUST CORP	+28,898	60,333

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large RENAISSANCE TECHNOLOGIES LLC	−305,400	1,102,406
Mega CITADEL ADVISORS LLC	−202,329	19,070
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−133,896	35,896
Mega TWO SIGMA INVESTMENTS, LP	−69,622	168,457
Mid GROUP ONE TRADING LLC	−26,312	13,903

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small THOMPSON DAVIS & CO., INC.	85,800	$189,618
Small Rothschild Wealth LLC	40,000	$88,400
Large HRT FINANCIAL LP	11,983	$26,482
Small Scientech Research LLC	11,441	$25,284
Mega WELLS FARGO & COMPANY/MN	2,019	$4,461

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid XTX Topco Ltd	118,247	$144,261
Small INTEGRITY WEALTH ADVISORS, INC.	115,000	$140,300
Mid Integrated Wealth Concepts LLC	35,000	$42,700
Large Cresset Asset Management, LLC	25,500	$31,110
Large MARSHALL WACE, LLP	21,770	$26,558

Filter: New 6 Increased 10 Reduced 9 Sold out 9 Unchanged 17

Showing 42 of 42

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

GRACE & WHITE INC /NY

$3,406,288

21.27%

1,541,307

RENAISSANCE TECHNOLOGIES LLC

$2,436,317

15.21%

1,102,406

VANGUARD CAPITAL MANAGEMENT LLC

$2,222,599

13.88%

1,005,701

Peapod Lane Capital LLC

$1,813,508

11.32%

820,592

GEODE CAPITAL MANAGEMENT, LLC

$1,155,791

7.22%

522,983

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	51,464	$113,735	9.8%	Defined
Held directly	471,519	$1,042,056	90.2%	Defined

BlackRock, Inc.

$1,097,249

6.85%

496,493

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	5,343	$11,808	1.1%	Sole
BlackRock Fund Advisors	80,786	$178,537	16.3%	Sole
BlackRock Institutional Trust Company, N.A.	410,364	$906,904	82.7%	Sole

US BANCORP \DE\

$673,554

4.21%

304,776

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	304,776	$673,554	100.0%	Defined

GSA CAPITAL PARTNERS LLP

$652,261

4.07%

295,141

TWO SIGMA INVESTMENTS, LP

$372,289

2.32%

168,457

Beartown Capital Management, LLC

$324,182

2.02%

146,689

VANGUARD FIDUCIARY TRUST CO

$294,944

1.84%

133,459

STATE STREET CORP

$269,279

1.68%

121,846

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	121,846	$269,279	100.0%	Defined

JANE STREET GROUP, LLC

$241,957

1.51%

109,483

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	85,201	$188,294	77.8%	Defined
Jane Street Global Trading, LLC	24,282	$53,663	22.2%	Defined

THOMPSON DAVIS & CO., INC.

$189,618

1.18%

85,800

ESSEX INVESTMENT MANAGEMENT CO LLC

$170,521

1.06%

77,159

NORTHERN TRUST CORP

$133,335

0.83%

60,333

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	60,333	$133,335	100.0%	Defined

Rothschild Wealth LLC

$88,400

0.55%

40,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$79,330

0.50%

35,896

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	35,896	$79,330	100.0%	Other

LexAurum Advisors, LLC

$44,553

0.28%

20,160

CITADEL ADVISORS LLC

$42,144

0.26%

19,070

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	19,070	$42,144	100.0%	Defined

Legato Capital Management LLC

$40,144

0.25%

18,165

UBS Group AG

$39,812

0.25%

18,015

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	7,187	$15,883	39.9%	Defined
UBS Securities LLC	10,828	$23,929	60.1%	Defined

GROUP ONE TRADING LLC

$30,725

0.19%

13,903

DIMENSIONAL FUND ADVISORS LP

$29,675

0.19%

13,428

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	4,099	$9,058	30.5%	Defined
Dimensional Ireland Ltd	9,329	$20,617	69.5%	Defined

Covestor Ltd

$27,461

0.17%

12,426

HRT FINANCIAL LP

$26,482

0.17%

11,983

Scientech Research LLC

$25,284

0.16%

11,441

SIMPLEX TRADING, LLC

$23,185

0.14%

10,491

HighTower Advisors, LLC

$23,072

0.14%

10,440

Founders Capital Management

$13,260

0.08%

6,000

Vanguard Global Advisers, LLC

$12,155

0.08%

5,500

WELLS FARGO & COMPANY/MN

$4,461

0.03%

2,019

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	2,019	$4,461	100.0%	Defined

New England Capital Financial Advisors LLC

$4,420

0.03%

2,000

OSAIC HOLDINGS, INC.

$2,652

0.02%

1,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	1,200	$2,652	100.0%	Defined

SBI Securities Co., Ltd.

$1,569

0.01%

710

Steward Partners Investment Advisory, LLC

$1,326

0.01%

600

Wilmington Savings Fund Society, FSB

$1,105

0.01%

500

CKW FINANCIAL GROUP

$442

0.00%

200

NewEdge Advisors, LLC

$110

0.00%

MORGAN STANLEY

$46

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	21	$46	100.0%	Defined

FMR LLC

$39

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STRATEGIC ADVISERS LLC	18	$39	100.0%	Defined

Caitong International Asset Management Co., Ltd

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	118,247	$144,261	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	21,770	$26,558	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	3,211	$3,917	100.0%	Defined

Key facts CIK 846913 CUSIP 359523107 13F (30d) 25 filings 25 filers Visit website