FUEL TECH INC (FTEK) Institutional Ownership Changes & 13F Activity

FUEL TECH INC (FTEK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Peapod Lane Capital Llc, Renaissance Technologies LLC, Citadel Advisors Llc, Xtx Topco Ltd, and Marquette Asset Management, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcSell-202,329-91.4%19,070$42.15KQ2 2026Sep 02, 2026
Susquehanna International Group, LlpSell-104,196-74.4%35,896$79.33KQ2 2026Aug 14, 2026
Two Sigma Investments, LpSell-69,622-29.2%168,457$372.29KQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+38,686+54.6%109,483$241.96KQ2 2026Aug 14, 2026
Group One Trading LlcSell-26,312-65.4%13,903$30.73KQ2 2026Aug 14, 2026
Hrt Financial LpBuy+11,98311,983$26.00KQ2 2026Aug 14, 2026
Scientech Research LlcBuy+11,44111,441$25.29KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+2,0192,019$4.46KQ2 2026Aug 14, 2026
Renaissance Technologies LLCSell-305,400-21.7%1,102,406$2.44MQ2 2026Aug 13, 2026
Northern Trust CorpBuy+28,898+91.9%60,333$133.34KQ2 2026Aug 13, 2026
Ubs Group AgBuy+18,014+1801400.0%18,015$39.81KQ2 2026Aug 13, 2026
Vanguard Capital Management LlcBuy+17,703+1.8%1,005,701$2.22MQ2 2026Aug 13, 2026
Vanguard Fiduciary Trust CoBuy+954+0.7%133,459$294.94KQ2 2026Aug 13, 2026
Geode Capital Management, LlcSell-9,825-1.8%522,983$1.16MQ2 2026Aug 12, 2026
Simplex Trading, LlcBuy+9,487+944.9%10,491$23.18KQ2 2026Aug 12, 2026
Newedge Advisors, LlcBuy+5050$111.00Q2 2026Aug 12, 2026
Rothschild Wealth LlcBuy+40,00040,000$88.40KQ2 2026Aug 11, 2026
Dimensional Fund Advisors LpSell-6,000-30.9%13,428$29.06KQ2 2026Aug 11, 2026
Blackrock, Inc.Buy+86,129+21.0%496,493$1.10MQ2 2026Aug 07, 2026
Gsa Capital Partners LlpBuy+48,889+19.9%295,141$652.00KQ2 2026Aug 06, 2026
Essex Investment Management Co LlcSell-91-0.1%77,159$170.52KQ2 2026Aug 06, 2026
Caitong International Asset Management Co., LtdSell-2-66.7%1$2.00Q2 2026Aug 05, 2026
Thompson Davis & Co., Inc.Buy+85,80085,800$189.62KQ2 2026Jul 29, 2026
Peapod Lane Capital LlcBuy+341,750+71.4%820,592$1.81MQ2 2026Jul 27, 2026
Lexaurum Advisors, LlcBuy+6,000+42.4%20,160$44.55KQ2 2026Jul 15, 2026
Marquette Asset Management, LlcBuy+110,509110,509$244.22KQ2 2026Jul 09, 2026
Xtx Topco LtdSell-118,247-100.0%0$0.00Q2 2026May 15, 2026
Integrated Wealth Concepts LlcSell-35,000-100.0%0$0.00Q2 2026May 15, 2026
Cresset Asset Management, LlcSell-25,500-100.0%0$0.00Q2 2026May 15, 2026
Marshall Wace, LlpSell-21,770-100.0%0$0.00Q2 2026May 15, 2026
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Frequently asked questions about FTEK activity

  • Which institutional owners are buying FTEK?

    Institutional owners buying FTEK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in FTEK activity?

    "Buy" means an investor increased their reported position in FTEK compared to the prior reporting period. This reflects growing exposure to FUEL TECH INC (FTEK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in FTEK increasing?

    Institutional interest in FTEK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.