FUEL TECH INC (FTEK) Stock Institutional Trading Activity


FUEL TECH INC (FTEK) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC and Sequoia Financial Advisors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2018Renaissance Technologies LLCBuy90,644880,544$1,145
Q1 2018Renaissance Technologies LLCBuy50,900789,900$948
Q4 2017Renaissance Technologies LLCBuy97,500739,000$828
Q3 2017Renaissance Technologies LLCBuy40,226641,500$654
Q2 2017Renaissance Technologies LLCBuy52,074601,274$475
Q1 2017Renaissance Technologies LLCBuy40,796549,200$560
Q4 2016Renaissance Technologies LLCBuy59,331508,404$585
Q3 2016Renaissance Technologies LLCBuy35,892449,073$629
Q2 2016Renaissance Technologies LLCBuy39,807413,181$612
Q1 2016Renaissance Technologies LLCBuy35,900373,374$653
Q4 2015Renaissance Technologies LLCBuy60,829337,474$638
Q3 2015Renaissance Technologies LLCBuy61,800276,645$528
Q2 2015Renaissance Technologies LLCBuy155,445214,845$471
Q1 2015Renaissance Technologies LLCSell-94,39059,400$186
Q4 2013Renaissance Technologies LLCBuy102,916153,790$1,090
Q3 2013Renaissance Technologies LLCSell-61,44350,874$222
Q2 2013Renaissance Technologies LLCBuy112,317112,317$430

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.