GAMCO INVESTORS INC. (GBL) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-05-07
4:00 pm
Sale
2026-05-0513DFARMER BROTHERS CO
FARM
GAMCO INVESTORS INC.
GBL
0
0.000%
-779,500decrease
(Position Closed)
Filing
History
2026-05-04
4:02 pm
Sale
2026-04-3013DGOLDEN ENTMT INC
GDEN
GAMCO INVESTORS INC.
GBL
0
0.000%
-1,087,600decrease
(Position Closed)
Filing
History
2026-04-27
4:08 pm
Purchase
2026-04-2413DMONRO INC
MNRO
GAMCO INVESTORS INC.
GBL
2,503,547
8.300%
224,355increase
(+9.84%)
Filing
History
2026-04-23
4:11 pm
Purchase
2026-04-2213DNATHANS FAMOUS INC
NATH
GAMCO INVESTORS INC.
GBL
285,086
7.000%
2,239increase
(+0.79%)
Filing
History
2026-04-09
4:02 pm
Sale
2026-04-0613DCORE MOLDING TECHNOLOGIES INC
CMT
GAMCO INVESTORS INC.
GBL
375,800
4.100%
-31,432decrease
(-7.72%)
Filing
History
2026-04-02
4:21 pm
Sale
2026-03-3113DGATX CORP
GATX
GAMCO INVESTORS INC.
GBL
1,100,598
3.100%
-220,767decrease
(-16.71%)
Filing
History
2026-04-02
4:16 pm
Sale
2026-03-3113DSINCLAIR BROADCAST GP INC
SBGI
GAMCO INVESTORS INC.
GBL
3,824,344
8.000%
-285,793decrease
(-6.95%)
Filing
History
2026-04-02
4:04 pm
Sale
2026-03-3113DTELESAT CORP & SHS I
TSAT
GAMCO INVESTORS INC.
GBL
1,713,548
11.600%
-88,696decrease
(-4.92%)
Filing
History
2026-03-27
4:02 pm
Purchase
2026-03-2613DM-TRON INDS INC
MPTI
GAMCO INVESTORS INC.
GBL
168,400
4.700%
4,471increase
(+2.73%)
Filing
History
2026-03-16
4:05 pm
Unchanged
2026-03-0913DGABELLI GLOBAL SMALL AND MID C
GGZ
GAMCO INVESTORS INC.
GBL
2,678,111
34.800%
0
(Unchanged)
Filing
History
2026-03-16
4:02 pm
Sale
2026-03-0913DGDL FUND, THE COM SHS OF BEN I
GDL
GAMCO INVESTORS INC.
GBL
2,795,978
25.500%
-1,600decrease
(-0.06%)
Filing
History
2026-03-11
4:01 pm
Purchase
2026-03-1013DMONRO INC
MNRO
GAMCO INVESTORS INC.
GBL
2,279,192
7.600%
271,335increase
(+13.51%)
Filing
History
2026-03-10
4:03 pm
Purchase
2026-03-0913DDUCOMMUN INCORPORATED
DCO
GAMCO INVESTORS INC.
GBL
471,586
3.200%
135,446increase
(+40.29%)
Filing
History
2026-03-09
4:03 pm
Purchase
2026-03-0613DTENNANT COMPANY
TNC
GAMCO INVESTORS INC.
GBL
675,400
3.800%
265,754increase
(+64.87%)
Filing
History
2026-02-24
4:08 pm
Purchase
2026-02-2313DMONRO INC
MNRO
GAMCO INVESTORS INC.
GBL
2,007,857
6.700%
267,160increase
(+15.35%)
Filing
History
2026-02-10
4:01 pm
Sale
2026-02-0513DLEE ENTERPRISES INC
LEE
GAMCO INVESTORS INC.
GBL
575,658
2.600%
-1,076decrease
(-0.19%)
Filing
History
2026-02-02
4:04 pm
Purchase
2026-02-0213DE.W. SCRIPPS COM COM
SSP
GAMCO INVESTORS INC.
GBL
2,621,187
3.400%
179,048increase
(+7.33%)
Filing
History
2026-02-02
4:00 pm
Purchase
2026-01-3013DNOBILITY HOMES INC
NOBH
GAMCO INVESTORS INC.
GBL
276,550
8.800%
3,200increase
(+1.17%)
Filing
History
2026-01-29
5:15 pm
Purchase
2026-01-2913DMONRO INC
MNRO
GAMCO INVESTORS INC.
GBL
1,740,697
5.800%
300,022increase
(+20.83%)
Filing
History
2026-01-28
4:06 pm
Sale
2026-01-2713DBEL FUSE INC
BELFA
GAMCO INVESTORS INC.
GBL
63,800
3.000%
-8,650decrease
(-11.94%)
Filing
History
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