Security key
359523107
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 7,566,282
- Total 13F value
- $11,789,949
- Share change
- +289,255
- Put/Call ratio
- 27%
- SEC-reported price per share
- $1.56
- Number of holders
- 43
- Value change
- -$836,810
- Number of buys
- 21
- Number of sells
- 20
- Shares outstanding
- 30,703,327
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
43
Top holders
10
FTEK full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
FUEL TECH, INC. SEC filings
FUEL TECH, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 359523107
Recent filing periods:
Ownership snapshot
Top reported holders of FTEK - FUEL TECH, INC. - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
GRACE & WHITE INC /NY
Disclosed value leader
GRACE & WHITE INC /NY
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F
Lead comparable stake: 4.9%
Showing 1-6 of 15 holder rows.
Quick read
GRACE & WHITE INC /NY leads the comparable SEC ownership view at 4.9%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens GRACE & WHITE INC /NY's linked filing trail.
Comparable ownership
Top 5
GRACE & WHITE INC /NY
4.9%
VANGUARD GROUP INC
3.3%
RENAISSANCE TECHNOLOGIES LLC
2.9%
GEODE CAPITAL MANAGEMENT, LLC
1.7%
BlackRock, Inc.
1.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| GRACE & WHITE INC /NY |
13F
Company
|
4.9%
|
$4,475,049
1,491,683 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.3%
|
$3,041,592
1,013,864 shares
|
— | 30 Sep 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
2.9%
|
$2,696,718
898,906 shares
|
— | 30 Sep 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.7%
|
$1,571,653
523,818 shares
|
— | 30 Sep 2025 |
| BlackRock, Inc. |
13F
Company
|
1.3%
|
$1,231,092
410,364 shares
|
— | 30 Sep 2025 |
| Peapod Lane Capital LLC |
13F
Company
|
1.2%
|
$1,070,815
356,938 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
43
Shares
7,566,282
Rows available
43
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
47
Q4 2025 holders
43
Holder diff
-4
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend