Skip to contentGABELLI MARIO J — GAMCO INVESTORS, INC. ET AL insider: 1,808 transactions · InsiderLensGABELLI MARIO J
- Director at ELLSWORTH FUND LTD · on record since Jun 29, 2023
- Control Person of Adviser at ELLSWORTH FUND LTD · on record since Jun 29, 2023
- 10% owner at FISHER COMMUNICATIONS INC · on record since Jan 30, 2006
- 10% owner at WESTWOOD HOLDINGS GROUP INC · on record since Jan 30, 2006
- 10% owner at WATTS WATER TECHNOLOGIES INC · on record since Mar 27, 2006
- Control Person of Adviser at GABELLI GLOBAL MULTIMEDIA TRUST INC · on record since Jun 22, 2023
- Control Person of Adviser at GABELLI DIVIDEND & INCOME TRUST · on record since Jun 21, 2023
- 10% owner at LIN TELEVISION CORP · on record since Feb 27, 2006
- Director at GABELLI GLOBAL MULTIMEDIA TRUST INC · on record since Jan 26, 2006
- Control Person of Adviser at BANCROFT FUND LTD · on record since Apr 17, 2023
- 10% owner at STRATTEC SECURITY CORP · on record since Jun 16, 2023
- Director at GABELLI DIVIDEND & INCOME TRUST · on record since Mar 22, 2006
- 10% owner at THOMAS & BETTS CORP · on record since Jan 19, 2006
- Director at LYNCH INTERACTIVE CORP · on record since Jan 18, 2006
- 10% owner at LYNCH INTERACTIVE CORP · on record since Jan 18, 2006
- 10% owner at LYNCH CORP · on record since Jan 17, 2006
- 10% owner at Gabelli Global Small & Mid Cap Value Trust · on record since Sep 28, 2023
- Control Person of Adviser at Gabelli Global Small & Mid Cap Value Trust · on record since Sep 28, 2023
- Chairman & CIO at GABELLI CONVERTIBLE & INCOME SECURITIES FUND INC · on record since Mar 19, 2004
- 10% owner at GABELLI GLOBAL MULTIMEDIA TRUST INC · on record since Sep 27, 2023
- 10% owner at FAIRCHILD CORP · on record since Mar 22, 2004
- 10% owner at MODINE MANUFACTURING CO · on record since Jan 12, 2006
- 10% owner at LIBERTY CORP · on record since Jan 12, 2006
- 10% owner at CAVCO INDUSTRIES INC · on record since Jan 12, 2006
- 10% owner at GABELLI GLOBAL UTILITY & INCOME TRUST · on record since Sep 15, 2023
- 10% owner at Telesat Corp · on record since Aug 14, 2023
- 10% owner at CAVALIER HOMES INC · on record since Feb 7, 2006
- Director at GABELLI CONVERTIBLE & INCOME SECURITIES FUND INC · on record since Jan 4, 2006
- 10% owner at MachTen, Inc. · on record since Sep 5, 2023
- See Explanation of Responses at MachTen, Inc. · on record since Aug 2, 2023
- 10% owner at GABELLI CONVERTIBLE & INCOME SECURITIES FUND INC · on record since Dec 27, 2023
- 10% owner at AMPCO PITTSBURGH CORP · on record since May 31, 2006
- 10% owner at SL INDUSTRIES INC · on record since Apr 18, 2006
- 10% owner at YOUNG BROADCASTING INC /DE/ · on record since Jun 14, 2006
- 10% owner at GAMCO INVESTORS, INC. ET AL · on record since Jun 13, 2006
- Director at GAMCO INVESTORS, INC. ET AL · on record since Jun 13, 2006
- 10% owner at SENSIENT TECHNOLOGIES CORP · on record since Apr 4, 2006
- 10% owner at GABELLI EQUITY TRUST INC · on record since Mar 1, 2024
- 10% owner at FERRO CORP · on record since Nov 15, 2007
- 10% owner at Gabelli Natural Resources, Gold & Income Trust · on record since Apr 3, 2024
- Chairman and CIO at GABELLI DIVIDEND & INCOME TRUST · on record since Apr 16, 2004
- Director at GABELLI EQUITY TRUST INC · on record since Feb 16, 2007
- Director at GABELLI UTILITY TRUST · on record since Oct 29, 2024
- 10% owner at SEQUA CORP /DE/ · on record since Jan 3, 2007
- 10% owner at BEASLEY BROADCAST GROUP INC · on record since Jun 28, 2007
- 10% owner at GABELLI DIVIDEND & INCOME TRUST · on record since Oct 18, 2024
- Director at Gabelli Healthcare & WellnessRx Trust · on record since Jun 21, 2007
- Chief Investment Officer at Gabelli Healthcare & WellnessRx Trust · on record since Jun 21, 2007
- Director at Gabelli Global Deal Fund · on record since Jul 27, 2007
- 10% owner at GRIFFIN LAND & NURSERIES INC · on record since Aug 9, 2007
- 10% owner at MIDAS INC · on record since Nov 9, 2007
- 10% owner at TRANS LUX CORP · on record since Apr 29, 2004
- 10% owner at CIRCOR INTERNATIONAL INC · on record since Feb 26, 2008
- Director at Gabelli Go Anywhere Trust · on record since Sep 9, 2016
- 10% owner at LIFECORE BIOMEDICAL INC · on record since Mar 6, 2008
- 10% owner at NASHUA CORP · on record since Oct 29, 2008
- 10% owner at HERLEY INDUSTRIES INC /NEW · on record since May 6, 2008
- 10% owner at Teton Advisors, Inc. · on record since Mar 26, 2009
- 10% owner at GAYLORD ENTERTAINMENT CO /DE · on record since Mar 20, 2009
- 10% owner at ADVANCED MEDICAL OPTICS INC · on record since Jan 13, 2009
- 10% owner at HAWK CORP · on record since May 27, 2009
- 10% owner at Gabelli Global Deal Fund · on record since Jun 22, 2010
- 10% owner at JOURNAL COMMUNICATIONS INC · on record since Apr 1, 2009
- 10% owner at MEDIA GENERAL INC · on record since Jul 23, 2009
- 10% owner at RSC Holdings Inc. · on record since Jul 15, 2003
- 10% owner at THOMAS NELSON INC · on record since Jul 31, 2003
- 10% owner at SCHEIB EARL INC · on record since May 26, 2004
- 10% owner at China Growth Equity Investment Ltd · on record since Aug 13, 2003
- 10% owner at Sensata Technologies Holding N.V. · on record since Aug 21, 2003
- former 10% owner at HAWK CORP · on record since Dec 3, 2010
- Vice Chair. & Chief Exec. Off. at LYNCH INTERACTIVE CORP · on record since Sep 10, 2003
- Director at RLJ Acquisition, Inc. · on record since Mar 4, 2011
- 10% owner at BNS HOLDING, INC. · on record since Oct 3, 2003
- Trustee at GABELLI UTILITY TRUST · on record since Oct 7, 2003
- Chief Investment Officer at GABELLI GLOBAL UTILITY & INCOME TRUST · on record since Jun 29, 2004
- 10% owner at HORIZON ORGANIC HOLDING CORP · on record since Nov 4, 2003
- Control Person of Adviser at GABELLI EQUITY TRUST INC · on record since Apr 29, 2026
- 10% owner at CURTISS WRIGHT CORP · on record since Nov 24, 2003
- 10% owner at INTERNAP NETWORK SERVICES CORP · on record since Oct 9, 2012
- Control Person of Adviser at Gabelli Global Deal Fund · on record since Mar 22, 2013
- Control Person of Adviser at GABELLI GLOBAL UTILITY & INCOME TRUST · on record since Apr 30, 2013
- Control Person of Adviser at GRYPHON GOLD CORP · on record since Apr 19, 2013
- Control Person of Adviser at Gabelli Natural Resources, Gold & Income Trust · on record since Apr 19, 2013
- 10% owner at GRIFFON CORP · on record since Mar 25, 2014
- 10% owner at THOMAS INDUSTRIES INC · on record since Aug 20, 2004
- Executive Chairman at ALLIANCE CAPITAL MANAGEMENT HOLDING LP · on record since Nov 17, 2016
- 10% owner at KAMAN CORP · on record since Dec 18, 2014
- 10% owner at PEP BOYS MANNY MOE & JACK · on record since Nov 6, 2014
- 10% owner at TREDEGAR CORP · on record since Mar 19, 2015
- 10% owner at MYERS INDUSTRIES INC · on record since Feb 12, 2015
- Director at Gabelli Global Small & Mid Cap Value Trust · on record since Nov 25, 2015
- Director at Associated Capital Group, Inc. · on record since Nov 16, 2015
- Chairman & CEO at Associated Capital Group, Inc. · on record since Nov 16, 2015
- 10% owner at Associated Capital Group, Inc. · on record since Nov 16, 2015
- Director at ALLIANCE CAPITAL MANAGEMENT HOLDING LP · on record since Dec 1, 2015
- 10% owner at ALLIANCE CAPITAL MANAGEMENT HOLDING LP · on record since Dec 1, 2015
- Chairman and CIO at GABELLI UTILITY TRUST · on record since Nov 30, 2004
- 10% owner at PULITZER INC · on record since Feb 4, 2005
- 10% owner at TWIN DISC INC · on record since Sep 7, 2017
- Director at BANCROFT FUND LTD · on record since Dec 6, 2017
- 10% owner at Liberty Spinco, Inc. · on record since Jun 14, 2018
- 10% owner at Azitra, Inc. · on record since Mar 9, 2005
- Control Person of Adviser at GABELLI CONVERTIBLE & INCOME SECURITIES FUND INC · on record since Jan 12, 2022
- 10% owner at M-tron Industries, Inc. · on record since Dec 30, 2022
- 10% owner at PMV Consumer Acquisition Corp. · on record since Dec 29, 2022
- Control Person of Adviser at Gabelli Global Deal Fund · on record since Jan 29, 2007
- 10% owner at Gabelli Healthcare & WellnessRx Trust · on record since Jan 20, 2023
- Control Person of Adviser at Gabelli Healthcare & WellnessRx Trust · on record since Jan 20, 2023
- 10% owner at AARON RENTS INC · on record since May 4, 2005
- Chairman at GABELLI EQUITY TRUST INC · on record since Oct 28, 2005
- Chairman and CEO at GAMCO INVESTORS, INC. ET AL · on record since Dec 2, 2005
- Director at GABELLI GLOBAL UTILITY & INCOME TRUST · on record since Dec 5, 2005
Insider trading activity of GABELLI MARIO J
- Transactions on record
- 1,808
- since Aug 14, 2003
- Open-market buys
- 606
- $538M
- Open-market sells
- 735
- $133.2M
- Companies traded
- 42
- last filing Jun 16, 2026
Figures computed from official regulatory filings — methodology.
Companies where GABELLI MARIO J has traded
Track record of GABELLI MARIO J
Statistical track record
Free- Open-market buys
- 613
- Last buy
- Feb 24, 2026
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of GABELLI MARIO J
Co-insiders of GABELLI MARIO J
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89 tx · $10.5M · Nov 19, 2025
CONN JAMES PBANCROFT FUND LTD +10
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 16, 2026 | SellD | -10,342 | 0.01 USD | $124.1 | SEC |
| Apr 29, 2026 | Other | 84,168 | 5.00 USD | $420.8K | SEC |
| Apr 29, 2026 | Other | 156,197 | 5.00 USD | $781K | SEC |
| Mar 23, 2026 | Other | -190,000 | 10.00 USD | $1.9M | SEC |
| Mar 23, 2026 | Other | -250,000 | 10.00 USD | $2.5M | SEC |
| Feb 25, 2026 | Buy | 25,000 | 4.06 USD | $101.5K | SEC |
| Feb 24, 2026 | Sell | -800 | 8.52 USD | $6.8K | SEC |
| Feb 18, 2026 | Buy | 4,500 | 29.09 USD | $130.9K | SEC |
| Jan 28, 2026 | Buy | 5,500 | 28.72 USD | $158K | SEC |
| Jan 22, 2026 | Exercise | 169,993 | 4.75 USD | $807.5K | SEC |
| Jan 14, 2026 | Buy | 1,010 | 9.58 USD | $9.7K | SEC |
| Jan 14, 2026 | Buy | 3,800 | 9.58 USD | $36.4K | SEC |
| Jan 13, 2026 | Sell | -800 | 8.39 USD | $6.7K | SEC |
| Jan 12, 2026 | Buy | 990 | 9.58 USD | $9.5K | SEC |
| Jan 7, 2026 | Sell | -1,300 | 22.26 USD | $28.9K | SEC |
| Jan 2, 2026 | Buy | 500,000 | 10.00 USD | $5M | SEC |
| Jan 2, 2026 | Buy | 1,000,000 | 10.00 USD | $10M | SEC |
| Jan 2, 2026 | Other | -200,000 | 10.00 USD | $2M | SEC |
| Jan 2, 2026 | Buy | 100,000 | 10.00 USD | $1M | SEC |
| Jan 2, 2026 | Buy | 200,000 | 10.00 USD | $2M | SEC |
| Dec 31, 2025 | Buy | 3,000,000 | 10.00 USD | $30M | SEC |
| Dec 31, 2025 | Buy | 200,000 | 10.00 USD | $2M | SEC |
| Dec 31, 2025 | Buy | 95,387 | 4.75 USD | $453.1K | SEC |
| Dec 31, 2025 | Buy | 2,218,500 | 10.00 USD | $22.2M | SEC |
| Dec 31, 2025 | Buy | 400,000 | 10.00 USD | $4M | SEC |