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Fuel Tech, Inc.

FTEK
Exchange
Nasdaq
Industry
Industrial & Commercial Fans & Blowers & Air Purifing Equip
SEC CIK
0000846913

In the last 90 days, Fuel Tech, Inc. insiders filed 1 open-market purchase and 0 sales; 43 institutions reported holding it in 13F filings for Q2 2026, worth $16.3M in total; no superinvestor holds it.

Key figures

Insider buysLast 90 days, $2.00K in total
1
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, −2 vs. previous quarter
43
13F valueReported value at the end of Q2 2026
$16.3M
Superinvestors holdingAt the end of Q2 2026
0

Price chart

Superinvestors holding FTEK, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding FTEK at the end of Q2 2026.

Latest insider trades

Open-market purchases and sales by Fuel Tech, Inc. insiders from Form 4, newest first.

See all insider trades
Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 3, 2026 (view filing)4:06 PM ETSep 12 daysNuggihalli RameshPresident & CEOPPurchase+1.47K$1.36+$2.00KNew position1.47K after
Mar 9, 2026 (view filing)Mar 63 daysArnone Vincent JPresident & CEOPPurchase+10.0K$1.24+$12.4K+1.9%549.5K after
Jun 6, 2025 (view filing)Jun 42 daysJones Sharon LDirectorSSale−12.6K$1.67−$21.1K−13.1%84.0K after
Apr 1, 2025 (view filing)Mar 284 daysArnone Vincent JPresident & CEOPPurchase+15.0K$1.05+$15.8K+3.2%485.9K after
Nov 20, 2024 (view filing)Nov 191 dayJones Sharon LDirectorPPurchase+8.01K$1.08+$8.66K+9.0%96.6K after
Nov 19, 2024 (view filing)Nov 15-184 daysJones Sharon LDirectorPPurchase+14.0K$1.05+$14.7K+18.8%88.6K after2 lots
Nov 18, 2024 (view filing)Nov 12-146 daysLateJones Sharon LDirectorPPurchase+25.8K$1.04+$26.7K+52.9%74.6K after3 lots
Sep 16, 2024 (view filing)Sep 124 daysAlbrecht Ellen TChief Financial OfficerPPurchase+5.00K$1.01+$5.05K+5.8%91.7K after
Sep 16, 2024 (view filing)Sep 124 daysArnone Vincent JPresident & CEOPPurchase+20.0K$1.02+$20.4K+4.5%460.5K after
Aug 30, 2024 (view filing)Aug 282 daysJones Sharon LDirectorPPurchase+3.29K$1.01+$3.33K+7.2%48.8K after

Top 10 13F holders, Q2 2026

The largest institutional positions in Fuel Tech, Inc. at the end of Q2 2026; share changes are against Q1 2026.

See all 43 holders
Institutions holding FTEK in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Grace & White Inc1,541,307$3.41M0.54%00.0%Unchanged
Renaissance Technologies LLC1,102,406$2.44M0.00%−305,400−21.7%Reduced
Vanguard Capital Management LLC1,005,701$2.22M0.00%+17,703+1.8%Added
Peapod Lane Capital LLC820,592$1.81M1.22%+341,750+71.4%Added
Geode Capital Management, LLC522,983$1.16M0.00%−9,825−1.8%Reduced
BlackRock, Inc.496,493$1.10M0.00%+86,129+21.0%Added
US Bancorp304,776$673.6K0.00%00.0%Unchanged
Gsa Capital Partners LLP295,141$652.0K0.04%+48,889+19.9%Added
Two Sigma Investments, LP168,457$372.3K0.00%−69,622−29.2%Reduced
Beartown Capital Management, LLC146,689$324.2K0.14%00.0%Unchanged