Latest Period
Q1 2026
Security Snapshot
FUEL TECH, INC. - COMMON STOCK (FTEK) Institutional Ownership
CUSIP: 359523107
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
45
Shares (Excl. Options)
7,559,502
Price
$1.22
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- FTEK on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 7,559,502
- Total 13F value
- $9,222,119
- Portfolio coverage rank
- 0%
- Share change
- -20,940
- Value change
- -$75,382
- Number of holders
- 45
- Shares outstanding
- 30,703,327
- SEC-reported price per share
- $1.22
- Insider filing price
- $1.22
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- FTEK - FUEL TECH, INC. - COMMON STOCK is tracked under CUSIP 359523107.
- 45 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 43 to 45 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $11,789,949 to $9,222,119.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 45 institutions filings for Q1 2026.
Security key
359523107
Latest holder period
Q1 2026
13F holders
45
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
FTEK full holder history
FUEL TECH, INC. SEC filings
FUEL TECH, INC. company facts
FUEL TECH, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 359523107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
FTEK
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| GRACE & WHITE INC /NY | 5% | +4.8% | $2,111,591 | +$75,931 | 1,541,307 | +3.7% | Grace & White, Inc. | 31 Mar 2026 |
As of 31 Mar 2026, 45 institutional investors reported holding 7,559,502 shares of FUEL TECH, INC. - COMMON STOCK (FTEK). This represents 25% of the company’s total 30,703,327 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
24%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| GRACE & WHITE INC /NY | 5% | 1,541,307 | +3.7% | 0.33% | $1,880,395 |
| RENAISSANCE TECHNOLOGIES LLC | 4.6% | 1,407,806 | +23% | 0% | $1,717,523 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.2% | 987,998 | 0% | 0% | $1,205,358 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 532,808 | +2.7% | 0% | $650,106 |
| Peapod Lane Capital LLC | 1.6% | 478,842 | +33% | 0.48% | $582,123 |
| BlackRock, Inc. | 1.3% | 410,364 | 0% | 0% | $500,644 |
| US BANCORP \DE\ | 0.99% | 304,776 | 0% | 0% | $371,827 |
| GSA CAPITAL PARTNERS LLP | 0.8% | 246,252 | +669% | 0.02% | $300,000 |
| TWO SIGMA INVESTMENTS, LP | 0.78% | 238,079 | +89% | 0% | $290,456 |
| CITADEL ADVISORS LLC | 0.72% | 221,399 | -56% | 0% | $270,107 |
| Beartown Capital Management, LLC | 0.48% | 146,689 | -8.3% | 0.14% | $178,961 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.46% | 140,092 | -41% | 0% | $170,912 |
| VANGUARD FIDUCIARY TRUST CO | 0.43% | 132,505 | 0% | 0% | $161,656 |
| STATE STREET CORP | 0.4% | 121,846 | 0% | 0% | $148,652 |
| XTX Topco Ltd | 0.39% | 118,247 | -34% | 0% | $144,261 |
| INTEGRITY WEALTH ADVISORS, INC. | 0.37% | 115,000 | +64% | 0.08% | $140,300 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 0.25% | 77,250 | 0% | 0.01% | $94,245 |
| JANE STREET GROUP, LLC | 0.23% | 70,797 | -73% | 0% | $86,373 |
| GROUP ONE TRADING LLC | 0.13% | 40,215 | -5.4% | 0% | $49,062 |
| Integrated Wealth Concepts LLC | 0.11% | 35,000 | 0% | $42,700 | |
| NORTHERN TRUST CORP | 0.1% | 31,435 | 0% | 0% | $38,351 |
| Cresset Asset Management, LLC | 0.08% | 25,500 | 0% | 0% | $31,110 |
| MARSHALL WACE, LLP | 0.07% | 21,770 | -73% | 0% | $26,559 |
| DIMENSIONAL FUND ADVISORS LP | 0.06% | 19,428 | -62% | 0% | $23,579 |
| Legato Capital Management LLC | 0.06% | 18,165 | 0% | 0% | $22,161 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 7,559,502 | $9,222,119 | -$75,382 | $1.22 | 45 |
| 2025 Q4 | 7,566,282 | $11,789,949 | -$836,810 | $1.56 | 43 |
| 2025 Q3 | 7,145,869 | $21,435,903 | +$3,039,739 | $3.00 | 47 |
| 2025 Q2 | 6,138,396 | $15,470,557 | -$1,271,889 | $2.52 | 36 |
| 2025 Q1 | 6,718,566 | $7,051,611 | -$259,545 | $1.05 | 34 |
| 2024 Q4 | 6,962,774 | $7,311,235 | -$487,399 | $1.05 | 38 |
| 2024 Q3 | 6,449,842 | $6,771,478 | +$267,143 | $1.05 | 35 |
| 2024 Q2 | 6,194,104 | $6,627,601 | -$190,904 | $1.07 | 31 |
| 2024 Q1 | 6,368,532 | $7,705,994 | +$154,907 | $1.21 | 30 |
| 2023 Q4 | 5,492,782 | $6,837,058 | +$1,155,423 | $1.05 | 33 |
| 2023 Q3 | 6,005,153 | $7,085,041 | -$337,778 | $1.18 | 36 |
| 2023 Q2 | 6,104,212 | $8,299,918 | +$858,479 | $1.32 | 38 |
| 2023 Q1 | 5,618,028 | $7,190,971 | -$19,532 | $1.28 | 35 |
| 2022 Q4 | 5,478,001 | $7,178,118 | +$297,096 | $1.28 | 35 |
| 2022 Q3 | 5,238,907 | $6,131,000 | +$364,677 | $1.17 | 26 |
| 2022 Q2 | 4,916,098 | $6,095,000 | -$667,715 | $1.24 | 24 |
| 2022 Q1 | 5,145,645 | $7,822,000 | -$654,642 | $1.45 | 26 |
| 2021 Q4 | 5,649,428 | $7,908,000 | +$814,138 | $1.40 | 35 |
| 2021 Q3 | 5,030,233 | $8,763,696 | -$1,096,787 | $1.74 | 32 |
| 2021 Q2 | 5,653,703 | $13,282,940 | -$7,950,396 | $2.35 | 34 |
| 2021 Q1 | 7,944,821 | $24,942,140 | +$10,068,207 | $3.14 | 37 |
| 2020 Q4 | 4,735,371 | $18,380,552 | -$4,132,226 | $3.88 | 28 |
| 2020 Q3 | 5,930,541 | $4,991,337 | +$101,150 | $0.84 | 27 |
| 2020 Q2 | 5,808,892 | $4,880,336 | -$101,903 | $0.84 | 26 |
| 2020 Q1 | 5,974,906 | $2,392,160 | -$171,160 | $0.40 | 22 |