
Mario Gabelli
Net worth: 859 M $ as of 31/05/2026

Net worth: 859 M $ as of 31/05/2026
Mr. Mario J. Gabelli, CFA MBA, is a Chairman at Ellsworth Growth & Income Fund Ltd., at Gabelli ETFs Trust, at Gabelli Innovations Trust, at Gabelli Entertainment & Telecommunications Acquisition Corp., at Bancroft Fund Ltd., a Chairman & Chief Investment Officer at Gabelli Go Anywhere Trust, at Gabelli Foundation, Inc., at The Gabelli Convertible & Income Securities Fund, Inc., at Gabelli Equity Trust, Inc., at The Gabelli Multimedia Trust, Inc., at The Gabelli Dividend & Income Trust, at Gabelli Utility Trust, at The Gabelli Healthcare & WellnessRx Trust, at The Gabelli Global Small & Mid Cap Value Trust, a Chief Executive Officer at Greenwich PMV Acquisition Corp., an Executive Chairman at CIBL, Inc., at Associated Capital Group, Inc., a Trustee & Chief Investment Officer at The GDL Fund, a Portfolio Manager at Gabelli Global Utility & Income Trust, a Chairman & Chief Executive Officer at LICT Corp., at GAMCO Asset Management, Inc., at G.research LLC, a President at MJG & Associates, Inc., a Chief Investment Officer at Gabelli Funds LLC, a Director, Chief Executive & Investment Officer at GGCP, Inc., a Chairman, CEO & CIO-Value Portfolios at GAMCO Investors, Inc. and a Portfolio Manager at Teton Advisors, Inc. Mr. Gabelli was employed as an Independent Director by ICTC Group, Inc., a Chairman by Morgan Group Holding Co., a Portfolio Manager by Teton Advisors, Inc., a Chairman & Chief Executive Officer by Lynch Corp., a Trustee by Fairfield University, a President by Field Point Park Association, Inc., a Trustee & Chief Investment Officer by Gabelli Global Deal Fund, and a Chairman & Chief Executive Officer by GAMCO Global Gold, Natural Resources & Income Trust. He also served on the board at RLJ Acquisition, Inc., National Italian American Foundation, Inc. and The National Mentoring Partnership, Inc. He received his undergraduate degree from Fordham University and an MBA from Columbia Business School.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
GAMCO INVESTORS, INC. 98.65% | 07/11/2022 | 18,767,036 ( 98.65% ) | 419 M $ | 31/05/2026 |
| 31/12/2025 | 7,930,000 ( 32.81% ) | 232 M $ | 31/05/2026 | |
| 12/03/2026 | 2,678,111 ( 35.05% ) | 42 M $ | 31/05/2026 | |
GDL FUND 24.98% | 23/02/2026 | 2,795,978 ( 24.98% ) | 24 M $ | 31/05/2026 |
| 12/03/2026 | 1,431,036 ( 35.78% ) | 23 M $ | 31/05/2026 | |
| 12/03/2026 | 2,300,000 ( 36.85% ) | 21 M $ | 31/05/2026 | |
| 12/03/2026 | 2,000,000 ( 50% ) | 18 M $ | 31/05/2026 | |
| 28/04/2026 | 1,718,169 ( 0.55% ) | 10 M $ | 31/05/2026 | |
| 12/03/2026 | 953,866 ( 1.06% ) | 6 M $ | 31/05/2026 | |
Atlanta Braves Holdings, Inc.
Atlanta Braves Holdings, Inc. Movies/EntertainmentConsumer Services Operates as a holding company whose its subsidiaries operates base ball club 1.08% | 02/03/2026 | 111,300 ( 1.08% ) | 6 M $ | 31/05/2026 |
LGL GROUP, INC. 10.25% | 15/06/2026 | 670,668 ( 10.25% ) | 5 M $ | 31/05/2026 |
| 11/12/2025 | 1,054,154 ( 2.52% ) | 5 M $ | 31/05/2026 | |
| 17/02/2026 | 145,812 ( 0.18% ) | 4 M $ | 31/05/2026 | |
M-tron Industries, Inc.
M-tron Industries, Inc. Electronic Production EquipmentElectronic Technology Manufactures frequency control devices 1% | 27/04/2026 | 43,201 ( 1% ) | 4 M $ | 31/05/2026 |
Telesat Corp.
Telesat Corp. Specialty TelecommunicationsCommunications Operates satellite 0.44% | 31/03/2026 | 66,800 ( 0.44% ) | 4 M $ | 31/05/2026 |
BANCROFT FUND LTD 2.25% | 12/03/2026 | 131,000 ( 2.25% ) | 3 M $ | 31/05/2026 |
Sinclair, Inc.
Sinclair, Inc. BroadcastingConsumer Services Operates as a television station 0.49% | 01/04/2026 | 235,500 ( 0.49% ) | 3 M $ | 31/05/2026 |
Grupo Televisa SAB
Grupo Televisa SAB Major TelecommunicationsCommunications Provides direct-to-home satellite pay television system solutions and produces & distributes audiovisual content 0.25% | 03/11/2025 | 1,192,200 ( 0.25% ) | 3 M $ | 31/05/2026 |
| 12/03/2026 | 145,001 ( 5.79% ) | 3 M $ | 31/05/2026 | |
Monro, Inc.
Monro, Inc. Specialty StoresRetail Trade Retails and repairs automotive tires 0.49% | 24/04/2026 | 146,200 ( 0.49% ) | 2 M $ | 31/05/2026 |
| 12/03/2026 | 486,501 ( 2.43% ) | 2 M $ | 31/05/2026 | |
| 12/03/2026 | 245,805 ( 1.66% ) | 2 M $ | 31/05/2026 | |
GDL FUND CUM PFD E 8.83% | 13/03/2025 | 250,000 ( 8.83% ) | 2 M $ | 31/05/2026 |
| 12/03/2026 | 82,062 ( 1.37% ) | 2 M $ | 31/05/2026 | |
Tredegar Corp.
Tredegar Corp. AluminumNon-Energy Minerals Produces aluminum extrusions, polyethylene and flexible packaging films 0.54% | 15/01/2026 | 189,300 ( 0.54% ) | 1 M $ | 31/05/2026 |
Tennant Co.
Tennant Co. Industrial MachineryProducer Manufacturing Manufactures and markets indoor and outdoor cleaning solutions 0.09% | 06/03/2026 | 16,800 ( 0.09% ) | 1 M $ | 31/05/2026 |
Park-Ohio Holdings Corp.
Park-Ohio Holdings Corp. Metal FabricationProducer Manufacturing Provides supply chain logistics services and manufactures aluminum products 0.29% | 06/11/2025 | 41,300 ( 0.29% ) | 1 M $ | 31/05/2026 |
Myers Industries, Inc.
Myers Industries, Inc. Miscellaneous ManufacturingProducer Manufacturing Manufactures polymer and metal products for industrial, commercial, & consumer markets 0.14% | 04/03/2026 | 52,000 ( 0.14% ) | 1 M $ | 31/05/2026 |
GATX Corp.
GATX Corp. RailroadsTransportation Leases and maintains railcars 0.02% | 01/04/2026 | 6,800 ( 0.02% ) | 1 M $ | 31/05/2026 |
WideOpenWest, Inc.
WideOpenWest, Inc. Major TelecommunicationsCommunications Provides internet, digital cable television and digital telephony services 0.23% | 19/09/2025 | 200,000 ( 0.23% ) | 1 M $ | 31/12/2025 |
| 12/03/2026 | 167,500 ( 4.58% ) | 1 M $ | 28/02/2026 | |
Liberty Latin America Ltd.
Liberty Latin America Ltd. Major TelecommunicationsCommunications Provides cable and telecommunications services 0.24% | 30/12/2024 | 90,000 ( 0.24% ) | 726 300 $ | 31/05/2026 |
STRATTEC Security Corp.
STRATTEC Security Corp. Auto Parts: OEMProducer Manufacturing Designs, develops, manufactures and markets automotive access control products 0.2% | 21/07/2025 | 8,200 ( 0.2% ) | 655 672 $ | 31/05/2026 |
Ducommun, Inc.
Ducommun, Inc. Aerospace & DefenseElectronic Technology Manufactures aircraft components and equipment 0.03% | 09/03/2026 | 3,800 ( 0.03% ) | 578 436 $ | 31/05/2026 |
Marcus Corp.
Marcus Corp. Movies/EntertainmentConsumer Services Operates movie theaters, hotels and resorts 0.13% | 09/12/2025 | 30,000 ( 0.13% ) | 567 300 $ | 31/05/2026 |
Standard Motor Products, Inc.
Standard Motor Products, Inc. Automotive AftermarketConsumer Durables Manufactures and distributes replacement parts for motor vehicles 0.05% | 16/04/2025 | 12,100 ( 0.05% ) | 474 199 $ | 31/05/2026 |
Matthews International Corp.
Matthews International Corp. Miscellaneous ManufacturingProducer Manufacturing Manufactures and markets memorial products, casket components & coding equipment and provides packaging and brand experience solutions 0.05% | 06/06/2025 | 14,654 ( 0.05% ) | 388 917 $ | 31/05/2026 |
Hyster-Yale, Inc.
Hyster-Yale, Inc. Industrial MachineryProducer Manufacturing Designs, manufactures and sells line of lift trucks 0.06% | 05/11/2025 | 8,900 ( 0.06% ) | 323 248 $ | 31/05/2026 |
Ampco-Pittsburgh Corp.
Ampco-Pittsburgh Corp. SteelNon-Energy Minerals Manufactures and sells custom designed engineering products 0.13% | 12/03/2026 | 26,000 ( 0.13% ) | 294 320 $ | 31/05/2026 |
Lee Enterprises, Inc.
Lee Enterprises, Inc. Publishing: NewspapersConsumer Services Provides local news, information, marketing and advertising services 0.1% | 05/02/2026 | 23,000 ( 0.1% ) | 250 930 $ | 31/05/2026 |
| 16/04/2025 | 5,000 ( 0.28% ) | 186 250 $ | 31/05/2026 | |
Bel Fuse, Inc.
Bel Fuse, Inc. Electronic ComponentsElectronic Technology Designs, manufactures and markets magnetics, modules, circuit protection devices and interconnect products 0.03% | 31/03/2026 | 600 ( 0.03% ) | 146 964 $ | 31/05/2026 |
Rush Enterprises, Inc.
Rush Enterprises, Inc. Specialty StoresRetail Trade Operates as a network of commercial vehicle dealerships 0.01% | 09/04/2025 | 2,000 ( 0.01% ) | 129 800 $ | 31/05/2026 |
Core Molding Technologies, Inc.
Core Molding Technologies, Inc. Industrial MachineryProducer Manufacturing Produces and sells sheet molding compound and thermoset and thermoplastic products & tools 0.06% | 06/04/2026 | 5,000 ( 0.06% ) | 118 450 $ | 31/05/2026 |
The E.W. Scripps Co.
The E.W. Scripps Co. BroadcastingConsumer Services Operates television stations, news channels and provides digital streaming services 0.03% | 02/02/2026 | 22,000 ( 0.03% ) | 74 580 $ | 31/05/2026 |
Beasley Broadcast Group, Inc.
Beasley Broadcast Group, Inc. BroadcastingConsumer Services Operates as a radio stations 0.51% | 10/11/2025 | 5,000 ( 0.51% ) | 74 500 $ | 31/05/2026 |
| 16/04/2025 | 1,932 ( 0.01% ) | 71 967 $ | 31/05/2026 | |
Lennar Corp.
Lennar Corp. HomebuildingConsumer Durables Engages in construction and sale of home & multifamily buildings and provides mortgage financing services 0% | 12/01/2026 | 800 ( 0% ) | 70 464 $ | 31/05/2026 |
SuRo Capital Corp.
SuRo Capital Corp. Investment Trusts/Mutual FundsMiscellaneous Functions as a private equity fund 0.02% | 27/04/2026 | 5,000 ( 0.02% ) | 69 400 $ | 31/05/2026 |
Nobility Homes, Inc.
Nobility Homes, Inc. HomebuildingConsumer Durables Designs and builds manufactured homes 0.06% | 30/01/2026 | 2,000 ( 0.06% ) | 58 950 $ | 31/05/2026 |
Westwood Holdings Group, Inc.
Westwood Holdings Group, Inc. Investment ManagersFinance Operates as a holding company though its subsidiaries provides investment and wealth management services 0.04% | 11/07/2025 | 3,500 ( 0.04% ) | 57 610 $ | 31/05/2026 |
Astec Industries, Inc.
Astec Industries, Inc. Trucks/Construction/Farm MachineryProducer Manufacturing Manufactures equipment for aggregate processing, asphalt road building and pipeline 0% | 07/01/2026 | 1,100 ( 0% ) | 55 396 $ | 31/05/2026 |
| Companies | Position | Start |
|---|---|---|
| THE GABELLI EQUITY TRUST INC. | Chairman | 24/08/2012 |
| GAMCO INVESTORS, INC. | Chief Executive Officer | 01/01/1976 |
| THE GABELLI GLOBAL UTILITY & INCOME TRUST | Chief Investment Officer | - |
| LICT CORPORATION | Chief Executive Officer | 01/12/2010 |
| CIBL, INC. | Chairman | 01/02/2020 |
| THE GABELLI DIVIDEND & INCOME TRUST | Chairman | - |
| THE GABELLI MULTIMEDIA TRUST INC. | Chairman | 20/05/2010 |
| THE GABELLI UTILITY TRUST | Chairman | 28/08/2012 |
| THE GABELLI CONVERTIBLE AND INCOME SECURITIES FUND INC. | Chairman | 14/04/2010 |
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Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 50 |
|---|---|
Gabelli Equity Trust, Inc.
Gabelli Equity Trust, Inc. Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
GAMCO Asset Management, Inc.
GAMCO Asset Management, Inc. Investment ManagersFinance GAMCO employs a research-driven value approach to equity investing (known as Private Market Value with a Catalyst™). The firm’s value team believes mispriced companies with strong businesses and the presence of a catalyst to surface value led to investment opportunities through fundamental research and bottom-up stock selection. GAMCO is an activist firm and is included in the SharkWatch50 as one of the 50 most prominent and impactful activist investors. | Finance |
LGL Group, Inc.
LGL Group, Inc. Electronic Production EquipmentElectronic Technology Operates as holding company which manufactures and sells electronic components & instruments | Electronic Technology |
LICT Corp.
LICT Corp. Major TelecommunicationsCommunications Provides broadband, cable modem and wireless services | Communications |
ICTC Group, Inc.
ICTC Group, Inc. Wireless TelecommunicationsCommunications Provides radiotelephone communications services | Communications |
Morgan Group Holding Co.
Morgan Group Holding Co. Investment Banks/BrokersFinance Operates as a holding company that seeks acquisitions as part of its strategic alternatives | Finance |
Gabelli Funds LLC
Gabelli Funds LLC Investment ManagersFinance Gabelli Funds' approach to security analysis includes among other things fundamental research, industry research, personal visits with management and company published data. They also use data published in the financial media. Their portfolio managers may also make use of third party sell-side brokerage research. | Finance |
G.research LLC
G.research LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
GAMCO Investors, Inc.
GAMCO Investors, Inc. Investment ManagersFinance Provides investment advisory services | Finance |
Gabelli Global Deal Fund
Gabelli Global Deal Fund Investment Trusts/Mutual FundsMiscellaneous Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Entertainment & Telecommunications Acquisition Corp.
Gabelli Entertainment & Telecommunications Acquisition Corp. Financial ConglomeratesFinance A blank check company | Finance |
Greenwich PMV Acquisition Corp.
Greenwich PMV Acquisition Corp. Financial ConglomeratesFinance A blank check company | Finance |
RLJ Acquisition, Inc.
RLJ Acquisition, Inc. Financial ConglomeratesFinance Operates as development stage company | Finance |
The GDL Fund
The GDL Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Multimedia Trust
Gabelli Multimedia Trust Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Utility Trust
Gabelli Utility Trust Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Convertible & Income Securities Fund
Gabelli Convertible & Income Securities Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Bancroft Fund Ltd.
Bancroft Fund Ltd. Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Ellsworth Growth & Income Fund Ltd.
Gabelli Ellsworth Growth & Income Fund Ltd. Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Dividend & Income Trust
Gabelli Dividend & Income Trust Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Global Utility & Income Trust
Gabelli Global Utility & Income Trust Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
GAMCO Global Gold, Natural Resources & Income Trust
GAMCO Global Gold, Natural Resources & Income Trust Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Healthcare & Wellness Trust
Gabelli Healthcare & Wellness Trust Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Global Small & Mid Cap Value Trust (The)
Gabelli Global Small & Mid Cap Value Trust (The) Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Go Anywhere Trust (The)
Gabelli Go Anywhere Trust (The) Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Boston College
Boston College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Fairfield University
Fairfield University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Fordham University
Fordham University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Roger Williams University
Roger Williams University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
National Italian American Foundation, Inc.
National Italian American Foundation, Inc. Investment Trusts/Mutual FundsMiscellaneous Provides educations and careers to Italian Americans | Miscellaneous |
The Winston Churchill Foundation of the United States | |
The American-Italian Cancer Foundation
The American-Italian Cancer Foundation Miscellaneous Commercial ServicesCommercial Services Provides cancer research, prevention and early detection services | Commercial Services |
The Foundation for Italian Art & Culture | |
E.L. Wiegand Foundation | |
Foreign Policy Association
Foreign Policy Association Miscellaneous Commercial ServicesCommercial Services Operates as an association | Commercial Services |
GGCP, Inc.
GGCP, Inc. Financial ConglomeratesFinance Provides investment services | Finance |
Winston Churchill Foundation | |
Teton Advisors, Inc. (Investment Management)
Teton Advisors, Inc. (Investment Management) Investment ManagersFinance Teton-IM is a multi-strategy asset manager uncovering opportunities within inefficient markets, and are pioneers in micro, small and mid-cap value investing. The firm manages client assets according to their founding principles of bottom-up, fundamental, active, value investing. | Finance |
CIBL, Inc.
CIBL, Inc. Specialty TelecommunicationsCommunications Operates as a holding company which invests in broadband data transport and communications, & broadcasting | Communications |
Teton Advisors, Inc.
Teton Advisors, Inc. Investment ManagersFinance Provides investment & financial services | Finance |
The National Mentoring Partnership, Inc.
The National Mentoring Partnership, Inc. Miscellaneous Commercial ServicesCommercial Services Provides mentoring programs | Commercial Services |
MJG Associates, Inc. | |
Gabelli Foundation, Inc.
Gabelli Foundation, Inc. Investment Trusts/Mutual FundsMiscellaneous Functions as a foundation or endowment | Miscellaneous |
Columbia Business School
Columbia Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Field Point Park Association, Inc. | |
Associated Capital Group, Inc.
Associated Capital Group, Inc. Investment ManagersFinance Operates as a holding company, which engages in investment advisory and asset management business | Finance |
Barron's Roundtable
Barron's Roundtable Internet Software/ServicesTechnology Services Operates as an online platform that publishes financial and investment news | Technology Services |
Horatio Alger Association of US | |
Gabelli ETFs Trust
Gabelli ETFs Trust Finance/Rental/LeasingFinance Acts as an Umbrella Fund | Finance |
Gabelli Innovations Trust
Gabelli Innovations Trust Investment Trusts/Mutual FundsMiscellaneous Acts as an umbrella fund | Miscellaneous |
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