Fuel Tech, Inc. (FTEK) shareholders
FTEKNasdaqIndustrial & Commercial Fans & Blowers & Air Purifing EquipFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Nov 3, 2026Score 9/3037% below fair value
$1.31−0.05 (-3.68%)
Close on Nov 13, 2026Market cap $40.89MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
23.6%
7M of 31M shares
Institutional holders
43
6 new, 8 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
2 buys · 0 sales
Net bought $14.40K
Shares held by institutions
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of FTEK | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Grace & White Inc /Ny | 1,541,307 | 4.94% | $3.41M | – | 0.54% |
| Renaissance Technologies LLC | 1,102,406 | 3.53% | $2.44M | −305,400 | 0.00% |
| Vanguard Capital Management LLC | 1,005,701 | 3.22% | $2.22M | +17,703 | 0.00% |
| Peapod Lane Capital LLC | 820,592 | 2.63% | $1.81M | +341,750 | 1.22% |
| Geode Capital Management, LLC | 522,983 | 1.68% | $1.16M | −9,825 | 0.00% |
| BlackRock, Inc. | 496,493 | 1.59% | $1.10M | +86,129 | 0.00% |
| US Bancorp \de\ | 304,776 | 0.98% | $673.56K | – | 0.00% |
| Gsa Capital Partners Llp | 295,141 | 0.95% | $652.00K | +48,889 | 0.04% |
| Two Sigma Investments, LP | 168,457 | 0.54% | $372.29K | −69,622 | 0.00% |
| Beartown Capital Management, LLC | 146,689 | 0.47% | $324.18K | – | 0.14% |
| Vanguard Fiduciary Trust Co | 133,459 | 0.43% | $294.94K | +954 | 0.00% |
| State Street Corp | 121,846 | 0.39% | $269.28K | – | 0.00% |
| Marquette Asset Management, LLC | 110,509 | 0.35% | $244.23K | New | 0.03% |
| Jane Street Group, LLC | 109,483 | 0.35% | $241.96K | +38,686 | 0.00% |
| Thompson Davis & Co., Inc. | 85,800 | 0.27% | $189.62K | New | 0.11% |
| Essex Investment Management Co LLC | 77,159 | 0.25% | $170.52K | −91 | 0.02% |
| Northern Trust Corp | 60,333 | 0.19% | $133.34K | +28,898 | 0.00% |
| Sentinus, LLC | 40,000 | 0.13% | $88.40K | New | 0.01% |
| Susquehanna International Group, Llp | 35,896 | 0.11% | $79.33K | −104,196 | 0.00% |
| LexAurum Advisors, LLC | 20,160 | 0.06% | $44.55K | +6,000 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 43 | 7M | 23.6% | 6 / 10 | 9 / 8 | 1M | 1M |
| Q1 2026 | 46 | 8M | 24.2% | 10 / 8 | 13 / 7 | 2M | 1M |
| Q4 2025 | 45 | 8M | 24.2% | 11 / 12 | 8 / 12 | 1M | 1M |
| Q3 2025 | 48 | 7M | 22.9% | 16 / 11 | 9 / 4 | 2M | 1M |
| Q2 2025 | 36 | 6M | 19.7% | 8 / 7 | 9 / 7 | 0M | 1M |
| Q1 2025 | 35 | 7M | 21.5% | 5 / 10 | 7 / 9 | 0M | 1M |
| Q4 2024 | 39 | 7M | 22.3% | 7 / 11 | 5 / 4 | 1M | 1M |
| Q3 2024 | 36 | 6M | 20.7% | 9 / 9 | 2 / 5 | 1M | 0M |
| Q2 2024 | 34 | 6M | 19.8% | 4 / 8 | 7 / 3 | 0M | 0M |
| Q1 2024 | 33 | 6M | 20.4% | 2 / 8 | 8 / 5 | 0M | 0M |
| Q4 2023 | 36 | 6M | 20.2% | 3 / 11 | 10 / 5 | 0M | 0M |
| Q3 2023 | 38 | 6M | 19.2% | 2 / 8 | 13 / 4 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
12 funds held FTEK in Q2 2026, 83% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of FTEK | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 731,730 | 2.34% | $1.62M | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 255,314 | 0.82% | $564.24K | 0.00% | Jun 30, 2026 |
| Fidelity Nasdaq Composite Index ETF | 236,480 | 0.76% | $349.99K | 0.00% | May 31, 2026 |
| Fidelity Extended Market Index Fund | 137,606 | 0.44% | $203.66K | 0.00% | May 31, 2026 |
| iShares Micro-Cap ETF | 80,786 | 0.26% | $178.54K | 0.01% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 68,515 | 0.22% | $101.40K | 0.00% | May 31, 2026 |
| Fidelity Series Total Market Index Fund | 33,207 | 0.11% | $49.15K | 0.00% | May 31, 2026 |
| Vanguard Balanced Index Fund | 18,657 | 0.06% | $41.23K | 0.00% | Jun 30, 2026 |
| Fidelity Nasdaq Composite Index Fund | 9,474 | 0.03% | $14.02K | 0.00% | May 31, 2026 |
| 1290 VT Micro Cap Portfolio | 5,343 | 0.02% | $11.81K | 0.01% | Jun 30, 2026 |
| Blackstone Alternative Multi-Strategy Fund | 1,000 | 0.00% | $2.21K | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Vincent J. Arnone | President & CEO, Director | 549,513 | 1.76% | Mar 27, 2026 |
| Ramesh Nuggihalli | President & CEO | 1,471 | 0.00% | Sep 3, 2026 |
| William E. Cummings JR | Senior Vice President, Sales | 292,045 | 0.94% | Mar 27, 2026 |
| Ellen T. Albrecht | Chief Financial Officer | 91,684 | 0.29% | Mar 27, 2026 |
| Douglas G. Bailey | Director | 2,048,161 | 6.56% | Jun 5, 2026 |
| Sharon L. Jones | Director | 83,973 | 0.27% | Jun 5, 2026 |
| Dennis L. Zeitler | Director | 106,627 | 0.34% | Jun 5, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Ramesh Nuggihalli President & CEO | Sep 1, 2026 | Buy | +1,470.53 | $1.36 | $2.00K | 1,471 |
| Vincent J. Arnone President & CEO, Director | Mar 6, 2026 | Buy | +10,000 | $1.24 | $12.40K | 549,513 |
| Sharon L. Jones Director | Jun 4, 2025 | Sale | −12,627 | $1.67 | $21.09K | 83,973 |
| Vincent J. Arnone President & CEO, Director | Mar 28, 2025 | Buy | +15,000 | $1.05 | $15.75K | 485,879 |
| Sharon L. Jones Director | Nov 19, 2024 | Buy | +8,014.4 | $1.08 | $8.66K | 96,600 |
| Sharon L. Jones Director | Nov 18, 2024 | Buy | +9,800 | $1.05 | $10.29K | 88,585 |
| Sharon L. Jones Director | Nov 15, 2024 | Buy | +4,200 | $1.05 | $4.41K | 78,785 |
| Sharon L. Jones Director | Nov 14, 2024 | Buy | +7,200 | $1.04 | $7.49K | 74,585 |
| Sharon L. Jones Director | Nov 13, 2024 | Buy | +9,100 | $1.05 | $9.56K | 67,385 |
| Sharon L. Jones Director | Nov 12, 2024 | Buy | +9,500 | $1.02 | $9.69K | 58,285 |
| Ellen T. Albrecht Chief Financial Officer | Sep 12, 2024 | Buy | +5,000 | $1.01 | $5.05K | 91,684 |
| Vincent J. Arnone President & CEO, Director | Sep 12, 2024 | Buy | +20,000 | $1.02 | $20.40K | 460,513 |
| Sharon L. Jones Director | Aug 28, 2024 | Buy | +3,293 | $1.01 | $3.33K | 48,785 |
| Sharon L. Jones Director | Aug 12, 2024 | Buy | +447.17 | $1.01 | $452 | 45,492 |
| Vincent J. Arnone President & CEO, Director | Aug 9, 2024 | Buy | +20,000 | $1.04 | $20.80K | 440,513 |
| Vincent J. Arnone President & CEO, Director | Aug 11, 2023 | Buy | +15,000 | $1.20 | $18.00K | 344,755 |
| Vincent J. Arnone President & CEO, Director | May 17, 2022 | Buy | +20,000 | $1.20 | $24.00K | 329,755 |
| Bettye J. Bailey 10% owner | Dec 31, 2020 | Sale | −42,711 | $4.01 | $171.27K | 4,244,234 |
| Dennis L. Zeitler Director | Dec 23, 2020 | Option exercise | +44,000 | $0.97 | $42.68K | 106,627 |
| Dennis L. Zeitler Director | Dec 23, 2020 | Option exercise | +27,000 | $1.58 | $42.66K | 133,627 |
| Dennis L. Zeitler Director | Dec 23, 2020 | Sale | −71,000 | $4.92 | $349.32K | 62,627 |
| Vincent J. Arnone President & CEO, Director | Dec 23, 2020 | Sale | −75,000 | $5.01 | $375.75K | 309,755 |
| Ellen T. Albrecht Acting PFO and Treasurer | Dec 23, 2020 | Sale | −41,900 | $5.00 | $209.50K | 38,805 |
| Vincent J. Arnone President & CEO, Director | Dec 22, 2020 | Sale | −125,000 | $4.25 | $531.25K | 384,755 |
| Ellen T. Albrecht Acting PFO and Treasurer | Dec 22, 2020 | Sale | −30,000 | $4.26 | $127.80K | 80,705 |
| James J. Markowsky Director | Dec 2, 2020 | Sale | −30,000 | $3.37 | $101.10K | 0 |
| James J. Markowsky Director | Dec 2, 2020 | Sale | −20,000 | $3.44 | $68.80K | 30,000 |
| Bettye J. Bailey 10% owner | Nov 25, 2020 | Sale | −42,028 | $4.74 | $199.21K | 4,286,945 |
| Douglas G. Bailey Director | Nov 25, 2020 | Sale | −60,400 | $5.38 | $324.95K | 1,788,161 |
| James J. Markowsky Director | Nov 24, 2020 | Sale | −44,000 | $5.64 | $248.16K | 50,000 |
| James J. Markowsky Director | Nov 24, 2020 | Option exercise | +44,000 | $0.97 | $42.68K | 106,627 |
| James J. Markowsky Director | Nov 24, 2020 | Sale | −12,627 | $6.10 | $77.02K | 94,000 |
| Douglas G. Bailey Director | Nov 24, 2020 | Sale | −76,944 | $5.84 | $449.35K | 1,848,561 |
| William E. Cummings JR Senior Vice President, Sales | Sep 25, 2020 | Buy | +5,329 | $0.72 | $3.84K | 292,045 |
| William E. Cummings JR Senior Vice President, Sales | Sep 24, 2020 | Buy | +33,886 | $0.64 | $21.69K | 286,716 |
| Vincent J. Arnone President & CEO, Director | Mar 17, 2020 | Buy | +15,000 | $0.43 | $6.45K | 524,407 |
| James J. Markowsky Director | Mar 17, 2020 | Award | +4,500 | $0.59 | $2.66K | 62,627 |
| James J. Markowsky Director | Mar 16, 2020 | Award | +25,500 | $0.48 | $12.24K | 58,127 |
| William E. Cummings JR Senior Vice President, Sales | Dec 16, 2019 | Tax withholding | −8,523 | $0.91 | $7.76K | 252,830 |
| James M. Pach PFO and Treasurer | Dec 16, 2019 | Tax withholding | −11,005 | $0.91 | $10.01K | 38,995 |
| William E. Cummings JR Senior Vice President, Sales | Sep 26, 2019 | Buy | +28,489 | $0.97 | $27.63K | 261,353 |
| William E. Cummings JR Senior Vice President, Sales | Sep 25, 2019 | Buy | +21,511 | $0.96 | $20.65K | 232,864 |
| Vincent J. Arnone President & CEO, Director | Sep 6, 2019 | Buy | +20,000 | $1.01 | $20.20K | 509,407 |
| James J. Markowsky Director | Aug 28, 2019 | Buy | +20,000 | $0.82 | $16.40K | 32,627 |
| Vincent J. Arnone President & CEO, Director | Jun 18, 2019 | Buy | +15,000 | $1.22 | $18.30K | 489,407 |
| James M. Pach PFO and Treasurer | May 22, 2019 | Sale | −6,859 | $1.54 | $10.56K | 50,000 |
| Thomas S. Shaw Director | May 17, 2019 | Award | +12,627 | $1.58 | $19.95K | 32,627 |
| Sharon L. Jones Director | May 17, 2019 | Award | +12,627 | $1.58 | $19.95K | 16,577 |
| James J. Markowsky Director | May 17, 2019 | Award | +12,627 | $1.58 | $19.95K | 12,627 |
| Dennis L. Zeitler Director | May 17, 2019 | Award | +12,627 | $1.58 | $19.95K | 62,627 |
| Douglas G. Bailey Director | May 16, 2019 | Award | +12,627 | $1.58 | $19.95K | 1,905,505 |
| James J. Markowsky Director | Mar 22, 2019 | Sale | −20,000 | $1.66 | $33.20K | 0 |
| William E. Cummings JR Senior Vice President, Sales | Mar 21, 2019 | Award | +25,000 | $1.83 | $45.75K | 211,353 |
| Sharon L. Jones Director | Aug 23, 2018 | Buy | +3,950 | $1.04 | $4.11K | 3,950 |
| Vincent J. Arnone President & CEO, Director | Aug 23, 2018 | Buy | +2,033 | $1.08 | $2.20K | 474,407 |
| Vincent J. Arnone President & CEO, Director | Aug 22, 2018 | Buy | +22,967 | $1.02 | $23.43K | 472,374 |
| William E. Cummings JR Senior Vice President, Sales | Jun 29, 2018 | Buy | +10,200 | $1.08 | $11.02K | 186,353 |
| David S. Collins Sr. Vice President | Feb 26, 2018 | Award | +13,333 | – | – | 13,333 |
| David S. Collins Sr. Vice President | Feb 26, 2018 | Tax withholding | −3,524 | $1.10 | $3.88K | 9,809 |
| Douglas G. Bailey Director | Feb 26, 2018 | Tax withholding | −3,524 | $1.10 | $3.88K | 1,882,878 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
0.19%
0M shares short
Days to cover
1.0
At 0M shares a day
Change since last report
-36.1%
From 0M shares
Short volume, 20 days
25.8%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Fuel Tech's stock actually held short. Settlement fails (shares not delivered on time) peaked at 15,629 shares on Sep 10, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Sharon L. Jones Director | Jun 4, 2025 | 12,627 | $21.04K | Jun 4, 2025 | Restricted Stock |
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