Security key
359523107
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 5,492,782
- Total 13F value
- $6,837,058
- Share change
- +88,310
- Put/Call ratio
- 0.31%
- SEC-reported price per share
- $1.05
- Number of holders
- 33
- Value change
- +$1,155,423
- Number of buys
- 12
- Number of sells
- 14
- 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 2023
Institutions
33
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 2023
13F
Lead comparable stake: 5.7%
Showing 1-6 of 15 holder rows.
Quick read
GRACE & WHITE INC /NY leads the comparable SEC ownership view at 5.7%.
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
5.7%
RENAISSANCE TECHNOLOGIES LLC
2.6%
VANGUARD GROUP INC
2.5%
Acuitas Investments, LLC
2%
BlackRock Finance, Inc.
1.5%
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
|
5.7%
|
$2,052,486
1,739,395 shares
|
— | 30 Sep 2023 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
2.6%
|
$951,000
806,316 shares
|
— | 30 Sep 2023 |
| VANGUARD GROUP INC |
13F
Company
|
2.5%
|
$911,200
772,203 shares
|
— | 30 Sep 2023 |
| Acuitas Investments, LLC |
13F
Company
|
2%
|
$708,804
600,681 shares
|
— | 30 Sep 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
1.5%
|
$552,851
468,517 shares
|
— | 30 Sep 2023 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.4%
|
$509,889
432,049 shares
|
— | 30 Sep 2023 |
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 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
33
Shares
5,492,782
Rows available
33
| 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 2023 vs Q3 2023 Across Filers
Q3 2023 holders
36
Q4 2023 holders
33
Holder diff
-3
| Investor | Q3 2023 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2023 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend