Security key
359523107
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 6,138,396
- Total 13F value
- $15,470,557
- Share change
- -580,170
- Put/Call ratio
- 994%
- SEC-reported price per share
- $2.52
- Number of holders
- 36
- Value change
- -$1,271,889
- Number of buys
- 16
- Number of sells
- 16
- Shares outstanding
- 31,200,547
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
Q2 2025
Institutions
36
Top holders
10
FTEK full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 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
0/15
Latest evidence
31 Mar 2025
13F
Highest disclosed value: $1,994,106
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
GRACE & WHITE INC /NY has the largest disclosed position value at $1.99M.
0 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.
Disclosed position value
Top 5
GRACE & WHITE INC /NY
$1.99M
Peapod Lane Capital LLC
$1.03M
RENAISSANCE TECHNOLOGIES LLC
$1M
VANGUARD GROUP INC
$988K
GEODE CAPITAL MANAGEMENT, LLC
$525K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
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
|
—
denominator unverified
|
$1,994,106
1,899,149 shares
|
— | 31 Mar 2025 |
| Peapod Lane Capital LLC |
13F
Company
|
—
denominator unverified
|
$1,030,157
981,102 shares
|
— | 31 Mar 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$1,004,541
956,706 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$988,017
940,969 shares
|
— | 31 Mar 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$524,964
499,892 shares
|
— | 31 Mar 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$486,930
463,743 shares
|
— | 31 Mar 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 Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
36
Shares
6,138,396
Rows available
36
| 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 Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
34
Q2 2025 holders
36
Holder diff
2
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend