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FTEK · Fuel Tech, Inc.

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$1.60 +0.05 (+3.23%) At close · Jul 23
Market Cap
$49.86M
Shares
31.17M

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.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 42
Total Value: $9,445,083
Total Shares: 6,469,349

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 42 13F filers
Top Holder
23.8%
Jun 2023 → Mar 2026 · range 19.4% – 30.0%
of institutional value
Top 5
67.6%
Jun 2023 → Mar 2026 · range 58.4% – 77.9%
of institutional value
Top 10
85.9%
Jun 2023 → Mar 2026 · range 79.2% – 95.8%
of institutional value
HHI
1,295
Jun 2023 → Mar 2026 · range 937 – 1,575
Broadly held
Showing 43 of 43
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small GRACE & WHITE INC /NY $3,406,288 36.06% 1,541,307
Large RENAISSANCE TECHNOLOGIES LLC $1,717,523 18.18% 1,407,806
Mega GEODE CAPITAL MANAGEMENT, LLC $650,024 6.88% 532,808
Small Peapod Lane Capital LLC $584,187 6.19% 478,842
Mega BlackRock, Inc. $500,644 5.30% 410,364
Large US BANCORP \DE\ Bank $371,826 3.94% 304,776
Mid GSA CAPITAL PARTNERS LLP $300,427 3.18% 246,252
Mega TWO SIGMA INVESTMENTS, LP $290,456 3.08% 238,079
Mega CITADEL ADVISORS LLC $270,106 2.86% 221,399
Small Beartown Capital Management, LLC $178,960 1.89% 146,689
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $170,912 1.81% 140,092
Mega STATE STREET CORP $148,652 1.57% 121,846
Mid XTX Topco Ltd $144,261 1.53% 118,247
Micro INTEGRITY WEALTH ADVISORS, INC. $140,300 1.49% 115,000
Small ESSEX INVESTMENT MANAGEMENT CO LLC $94,245 1.00% 77,250
Mega JANE STREET GROUP, LLC $86,371 0.91% 70,797
Mid GROUP ONE TRADING LLC $49,062 0.52% 40,215
Small LexAurum Advisors, LLC $44,553 0.47% 20,160
Mid Integrated Wealth Concepts LLC $42,700 0.45% 35,000
Mega NORTHERN TRUST CORP Bank $38,350 0.41% 31,435
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $36,234 0.38% 29,700
Large Cresset Asset Management, LLC $31,110 0.33% 25,500
Large MARSHALL WACE, LLP $26,558 0.28% 21,770
Mega DIMENSIONAL FUND ADVISORS LP $23,701 0.25% 19,428
Mid Legato Capital Management LLC $22,161 0.23% 18,165
Mid Chicago Partners Investment Group LLC $20,847 0.22% 17,088
Small Covestor Ltd $15,159 0.16% 12,426
Small Founders Capital Management $13,260 0.14% 6,000
Large HighTower Advisors, LLC $12,736 0.13% 10,440
Mid Tower Research Capital LLC (TRC) $3,917 0.04% 3,211
Micro New England Capital Financial Advisors LLC $2,440 0.03% 2,000
Mid SBI Securities Co., Ltd. Broker-Dealer $1,569 0.02% 710
Large OSAIC HOLDINGS, INC. $1,464 0.02% 1,200
Mid SIMPLEX TRADING, LLC $1,224 0.01% 1,004
Mid Advisory Services Network, LLC $1,098 0.01% 900
Large Steward Partners Investment Advisory, LLC $732 0.01% 600
Mid Wilmington Savings Fund Society, FSB $610 0.01% 500
Micro CKW FINANCIAL GROUP $244 0.00% 200
Micro Orion Capital Management LLC $122 0.00% 100
Mega MORGAN STANLEY $25 0.00% 21
Mega FMR LLC $21 0.00% 18
Small Caitong International Asset Management Co., Ltd $3 0.00% 3
Mega UBS Group AG $1 0.00% 1
Key facts CIK 846913 CUSIP 359523107 13F (30d) 4 filings 4 filers Visit website

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