Security key
359523107
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 5,618,028
- Total 13F value
- $7,190,971
- Share change
- +138,027
- Put/Call ratio
- 13%
- SEC-reported price per share
- $1.28
- Number of holders
- 35
- Value change
- -$19,532
- Number of buys
- 13
- Number of sells
- 10
- 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
Q1 2023
Institutions
35
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 Dec 2022
13F
Highest disclosed value: $2,185,265
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 $2.19M.
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
$2.19M
RENAISSANCE TECHNOLOGIES LLC
$1.05M
VANGUARD GROUP INC
$990.2K
BlackRock Finance, Inc.
$615.6K
ESSEX INVESTMENT MANAGEMENT CO LLC
$505K
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
|
$2,185,265
1,713,933 shares
|
— | 31 Dec 2022 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$1,049,000
822,587 shares
|
— | 31 Dec 2022 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$990,191
776,620 shares
|
— | 31 Dec 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$615,644
482,858 shares
|
— | 31 Dec 2022 |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
Company
|
—
denominator unverified
|
$505,000
396,238 shares
|
— | 31 Dec 2022 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$502,000
395,713 shares
|
— | 31 Dec 2022 |
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 Q1 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
35
Shares
5,618,028
Rows available
35
| 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 Q1 2023 vs Q1 2023 Across Filers
Q1 2023 holders
35
Q1 2023 holders
35
Holder diff
0
| Investor | Q1 2023 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q1 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend