Minerva Advisors LLC
Related Filers (28)
- VIRCO MFG CORPORATION (13)
- EASTERN CO (10)
- UNIVERSAL STAINLESS & ALLOY PRODUCTS INC (10)
- COMPUTER TASK GROUP INC (8)
- Pathfinder Bancorp, Inc. (7)
- TELOS CORP (7)
- Inrad Optics, Inc. (6)
- TRANSCAT INC (5)
- Nuvera Communications, Inc. (5)
- Rand Logistics, Inc. (4)
- A. H. Belo Corp (4)
- Forbes Energy Services Ltd. (4)
- InfuSystem Holdings, Inc (4)
- SIFCO INDUSTRIES INC (4)
- Williams Industrial Services Group Inc. (4)
- PATRIOT TRANSPORTATION HOLDING, INC. (4)
- KEWAUNEE SCIENTIFIC CORP /DE/ (4)
- MOD PAC CORP (2)
- AEROSONIC CORP /DE/ (2)
- APCO OIL & GAS INTERNATIONAL INC (2)
- ONVIA INC (2)
- ATS CORP (1)
- ECOLOGY & ENVIRONMENT INC (1)
- Minerva GP, Inc. (1)
- Cohen David P. (1)
- MINERVA GROUP L P (1)
- Minerva GP, LP (1)
- Gouverneur Bancorp, Inc./MD/ (1)
- Show More ...
Other (60)
13F-HR
Friday, 2/9/2024
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Wednesday, 1/31/2024
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Wednesday, 1/31/2024
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Wednesday, 1/31/2024
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Wednesday, 1/31/2024
Initial Quarterly Form 13F Holdings Report filed by institutional managers
SCHEDULE 13G
Tuesday, 1/9/2024
None
13F-HR/A
Thursday, 11/16/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/13/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 8/10/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/15/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/13/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 11/10/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/12/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 5/12/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/14/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 11/12/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 8/11/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 5/12/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/16/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 11/12/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 8/12/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 5/14/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/14/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 11/14/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 8/1/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 5/15/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 2/6/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/13/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 8/1/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 5/10/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Friday, 2/2/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 2/1/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/14/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 7/31/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 5/11/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 2/9/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/14/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 7/28/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/13/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 2/11/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 11/12/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 7/30/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/15/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/9/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 10/30/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 7/25/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/12/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/10/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/12/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Friday, 8/2/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 7/31/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/3/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Wednesday, 2/13/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/12/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Monday, 11/26/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Wednesday, 11/21/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/13/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 7/30/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 5/15/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 2/9/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
Ownership (113)
SC 13G/A
Friday, 2/9/2024
EASTERN CO: Major Shareholders
SC 13G/A
Friday, 2/9/2024
KEWAUNEE SCIENTIFIC CORP /DE/: Major Shareholders
SC 13G/A
Friday, 2/9/2024
Inrad Optics, Inc.: Major Shareholders
SC 13G/A
Friday, 2/9/2024
Nuvera Communications, Inc.: Major Shareholders
SC 13G/A
Friday, 2/9/2024
Pathfinder Bancorp, Inc.: Major Shareholders
SC 13G/A
Friday, 2/9/2024
VIRCO MFG CORPORATION: Major Shareholders
SC 13G/A
Friday, 2/9/2024
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Friday, 2/9/2024
SIFCO INDUSTRIES INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
KEWAUNEE SCIENTIFIC CORP /DE/: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
VIRCO MFG CORPORATION: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
Inrad Optics, Inc.: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
EASTERN CO: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
Nuvera Communications, Inc.: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
Pathfinder Bancorp, Inc.: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
Williams Industrial Services Group Inc.: Major Shareholders
SC 13G/A
Tuesday, 2/14/2023
COMPUTER TASK GROUP INC: Major Shareholders
SC 13G/A
Monday, 2/14/2022
COMPUTER TASK GROUP INC: Major Shareholders
SC 13G/A
Monday, 2/14/2022
Williams Industrial Services Group Inc.: Major Shareholders
SC 13G/A
Monday, 2/14/2022
Nuvera Communications, Inc.: Major Shareholders
SC 13G/A
Monday, 2/14/2022
Pathfinder Bancorp, Inc.: Major Shareholders
SC 13G/A
Monday, 2/14/2022
SIFCO INDUSTRIES INC: Major Shareholders
SC 13G/A
Monday, 2/14/2022
PATRIOT TRANSPORTATION HOLDING, INC.: Major Shareholders
SC 13G/A
Monday, 2/14/2022
EASTERN CO: Major Shareholders
SC 13G/A
Monday, 2/14/2022
KEWAUNEE SCIENTIFIC CORP /DE/: Major Shareholders
SC 13G/A
Monday, 2/14/2022
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Monday, 2/14/2022
VIRCO MFG CORPORATION: Major Shareholders
SC 13G
Wednesday, 6/9/2021
KEWAUNEE SCIENTIFIC CORP /DE/: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
VIRCO MFG CORPORATION: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
EASTERN CO: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
Inrad Optics, Inc.: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
PATRIOT TRANSPORTATION HOLDING, INC.: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
Williams Industrial Services Group Inc.: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
Nuvera Communications, Inc.: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
Pathfinder Bancorp, Inc.: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
SIFCO INDUSTRIES INC: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Tuesday, 2/9/2021
COMPUTER TASK GROUP INC: Major Shareholders
SC 13G/A
Friday, 2/5/2021
InfuSystem Holdings, Inc: Major Shareholders
SC 13G
Tuesday, 12/1/2020
Nuvera Communications, Inc.: Major Shareholders
3
Monday, 10/26/2020
TELOS CORP: Initial statement of beneficial ownership of securities
SC 13G
Monday, 5/18/2020
SIFCO INDUSTRIES INC: Major Shareholders
SC 13D/A
Tuesday, 4/28/2020
A. H. Belo Corp: Major Shareholders
SC 13G
Wednesday, 4/1/2020
Williams Industrial Services Group Inc.: Major Shareholders
SC 13G/A
Friday, 2/14/2020
VIRCO MFG CORPORATION: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
Forbes Energy Services Ltd.: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
InfuSystem Holdings, Inc: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
PATRIOT TRANSPORTATION HOLDING, INC.: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
TRANSCAT INC: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
Pathfinder Bancorp, Inc.: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
TELOS CORP: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
COMPUTER TASK GROUP INC: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
Inrad Optics, Inc.: Major Shareholders
SC 13G/A
Thursday, 2/13/2020
EASTERN CO: Major Shareholders
SC 13G
Monday, 9/16/2019
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13D
Wednesday, 4/24/2019
A. H. Belo Corp: Major Shareholders
SC 13G
Thursday, 4/4/2019
ECOLOGY & ENVIRONMENT INC: Major Shareholders
SC 13G
Thursday, 2/14/2019
PATRIOT TRANSPORTATION HOLDING, INC.: Major Shareholders
SC 13G/A
Thursday, 1/31/2019
Forbes Energy Services Ltd.: Major Shareholders
SC 13G/A
Thursday, 1/31/2019
Pathfinder Bancorp, Inc.: Major Shareholders
SC 13G/A
Thursday, 1/31/2019
COMPUTER TASK GROUP INC: Major Shareholders
SC 13G/A
Thursday, 1/31/2019
A. H. Belo Corp: Major Shareholders
SC 13G/A
Thursday, 1/31/2019
VIRCO MFG CORPORATION: Major Shareholders
SC 13G/A
Thursday, 1/31/2019
TRANSCAT INC: Major Shareholders
SC 13G
Monday, 12/31/2018
A. H. Belo Corp: Major Shareholders
SC 13G
Thursday, 11/8/2018
Forbes Energy Services Ltd.: Major Shareholders
SC 13G
Thursday, 11/8/2018
Forbes Energy Services Ltd.: Major Shareholders
SC 13G
Monday, 11/5/2018
Pathfinder Bancorp, Inc.: Major Shareholders
SC 13G/A
Tuesday, 8/21/2018
InfuSystem Holdings, Inc: Major Shareholders
SC 13G/A
Monday, 7/30/2018
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Tuesday, 2/13/2018
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Tuesday, 2/13/2018
EASTERN CO: Major Shareholders
SC 13G/A
Tuesday, 2/13/2018
VIRCO MFG CORPORATION: Major Shareholders
SC 13G/A
Tuesday, 2/13/2018
COMPUTER TASK GROUP INC: Major Shareholders
SC 13G/A
Friday, 11/17/2017
Rand Logistics, Inc.: Major Shareholders
SC 13G/A
Wednesday, 2/8/2017
EASTERN CO: Major Shareholders
SC 13G/A
Wednesday, 2/8/2017
COMPUTER TASK GROUP INC: Major Shareholders
SC 13G/A
Wednesday, 2/8/2017
Rand Logistics, Inc.: Major Shareholders
SC 13G/A
Wednesday, 2/8/2017
TELOS CORP: Major Shareholders
SC 13G/A
Wednesday, 2/8/2017
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Wednesday, 2/8/2017
VIRCO MFG CORPORATION: Major Shareholders
SC 13G
Tuesday, 3/8/2016
COMPUTER TASK GROUP INC: Major Shareholders
SC 13G/A
Friday, 2/5/2016
VIRCO MFG CORPORATION: Major Shareholders
SC 13G/A
Friday, 2/5/2016
ONVIA INC: Major Shareholders
SC 13G/A
Friday, 2/5/2016
Inrad Optics, Inc.: Major Shareholders
SC 13G
Friday, 2/5/2016
UNIVERSAL STAINLESS & ALLOY PRODUCTS INC: Major Shareholders
SC 13G/A
Friday, 2/5/2016
Rand Logistics, Inc.: Major Shareholders
SC 13G/A
Friday, 2/5/2016
EASTERN CO: Major Shareholders
SC 13G/A
Friday, 2/5/2016
TELOS CORP: Major Shareholders
SC 13G/A
Monday, 1/26/2015
VIRCO MFG CORPORATION: Major Shareholders
SC 13G/A
Monday, 1/26/2015
APCO OIL & GAS INTERNATIONAL INC: Major Shareholders
SC 13G
Thursday, 1/22/2015
Rand Logistics, Inc.: Major Shareholders
SC 13D
Friday, 1/16/2015
EASTERN CO: Major Shareholders
SC 13G
Monday, 8/25/2014
Inrad Optics, Inc.: Major Shareholders
SC 13G
Tuesday, 8/12/2014
APCO OIL & GAS INTERNATIONAL INC: Major Shareholders
SC 13G
Monday, 6/30/2014
EASTERN CO: Major Shareholders
SC 13G/A
Friday, 2/7/2014
TELOS CORP: Major Shareholders
SC 13G/A
Friday, 2/7/2014
TRANSCAT INC: Major Shareholders
SC 13G
Friday, 2/7/2014
ONVIA INC: Major Shareholders