Skip to contentGABELLI MARIO J — GAMCO INVESTORS, INC. ET AL insider: 1,812 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 · on record since Mar 19, 2004
- 10% owner at · on record since Sep 27, 2023
- 10% owner at · on record since Mar 22, 2004
- 10% owner at · on record since Jan 12, 2006
- 10% owner at · on record since Jan 12, 2006
- 10% owner at · on record since Jan 12, 2006
- 10% owner at · on record since Sep 15, 2023
- 10% owner at · on record since Aug 14, 2023
- 10% owner at · on record since Feb 7, 2006
- Director at · on record since Jan 4, 2006
- 10% owner at · on record since Sep 5, 2023
- See Explanation of Responses at · on record since Aug 2, 2023
- 10% owner at · on record since Dec 27, 2023
- 10% owner at · on record since May 31, 2006
- 10% owner at · on record since Apr 18, 2006
- 10% owner at · on record since Jun 14, 2006
- 10% owner at · on record since Jun 13, 2006
- Director at · on record since Jun 13, 2006
- 10% owner at · on record since Apr 4, 2006
- 10% owner at · on record since Mar 1, 2024
- 10% owner at · on record since Nov 15, 2007
- 10% owner at · on record since Apr 3, 2024
- Chairman and CIO at · on record since Apr 16, 2004
- Director at · on record since Feb 16, 2007
- Director at · on record since Oct 29, 2024
- 10% owner at · on record since Jan 3, 2007
- 10% owner at · on record since Jun 28, 2007
- 10% owner at · on record since Oct 18, 2024
- Director at · on record since Jun 21, 2007
- Chief Investment Officer at · on record since Jun 21, 2007
- Director at · on record since Jul 27, 2007
- 10% owner at · on record since Aug 9, 2007
- 10% owner at · on record since Nov 9, 2007
- 10% owner at · on record since Apr 29, 2004
- 10% owner at · on record since Feb 26, 2008
- Director at · on record since Sep 9, 2016
- 10% owner at · on record since Mar 6, 2008
- 10% owner at · on record since Oct 29, 2008
- 10% owner at · on record since May 6, 2008
- 10% owner at · on record since Mar 26, 2009
- 10% owner at · on record since Mar 20, 2009
- 10% owner at · on record since Jan 13, 2009
- 10% owner at · on record since May 27, 2009
- 10% owner at · on record since Jun 22, 2010
- 10% owner at · on record since Apr 1, 2009
- 10% owner at · on record since Jul 23, 2009
- 10% owner at · on record since Jul 15, 2003
- 10% owner at · on record since Jul 31, 2003
- 10% owner at · on record since May 26, 2004
- 10% owner at · on record since Aug 13, 2003
- 10% owner at · on record since Aug 21, 2003
- former 10% owner at · on record since Dec 3, 2010
- Vice Chair. & Chief Exec. Off. at · on record since Sep 10, 2003
- Director at · on record since Mar 4, 2011
- 10% owner at · on record since Oct 3, 2003
- Trustee at · on record since Oct 7, 2003
- Chief Investment Officer at · on record since Jun 29, 2004
- 10% owner at · on record since Nov 4, 2003
- Control Person of Adviser at · on record since Apr 29, 2026
- 10% owner at · on record since Nov 24, 2003
- 10% owner at · on record since Oct 9, 2012
- Control Person of Adviser at · on record since Mar 22, 2013
- Control Person of Adviser at · on record since Apr 30, 2013
- Control Person of Adviser at · on record since Apr 19, 2013
- Control Person of Adviser at · on record since Apr 19, 2013
- 10% owner at · on record since Mar 25, 2014
- 10% owner at · on record since Aug 20, 2004
- Executive Chairman at · on record since Nov 17, 2016
- 10% owner at · on record since Dec 18, 2014
- 10% owner at · on record since Nov 6, 2014
- 10% owner at · on record since Mar 19, 2015
- 10% owner at · on record since Feb 12, 2015
- Director at · on record since Nov 25, 2015
- Director at · on record since Nov 16, 2015
- Chairman & CEO at · on record since Nov 16, 2015
- 10% owner at · on record since Nov 16, 2015
- Director at · on record since Dec 1, 2015
- 10% owner at · on record since Dec 1, 2015
- Chairman and CIO at · on record since Nov 30, 2004
- 10% owner at · on record since Feb 4, 2005
- 10% owner at · on record since Sep 7, 2017
- Director at · on record since Dec 6, 2017
- 10% owner at · on record since Jun 14, 2018
- 10% owner at · on record since Mar 9, 2005
- Control Person of Adviser at · on record since Jan 12, 2022
- 10% owner at · on record since Dec 30, 2022
- 10% owner at · on record since Dec 29, 2022
- Control Person of Adviser at · on record since Jan 29, 2007
- 10% owner at · on record since Jan 20, 2023
- Control Person of Adviser at · on record since Jan 20, 2023
- 10% owner at · on record since May 4, 2005
- Chairman at · on record since Oct 28, 2005
- Chairman and CEO at · on record since Dec 2, 2005
- Director at · on record since Dec 5, 2005
Insider trading activity of GABELLI MARIO J
- Transactions on record
- 1,812
- since Aug 14, 2003
- Open-market buys
- 606
- $601.6M
- Open-market sells
- 735
- $141.9M
- Companies traded
- 44
- last filing Jul 20, 2026
Figures computed from official regulatory filings — .
Companies where GABELLI MARIO J has traded
- 140 tx · $21.4M · Jul 20, 2026
- 69 tx · $40.5M · Apr 29, 2026
- 9 tx · $15.9M · Mar 23, 2026
- 82 tx · $12.4M · Feb 25, 2026
- 250 tx · $246.1M · Feb 24, 2026
- 160 tx · $287.7M · Feb 18, 2026
- 94 tx · $120.1M · Jan 14, 2026
- 50 tx · $2.6M · Jan 7, 2026
- 89 tx · $11.9M · Nov 19, 2025
- 53 tx · $70.7M · Sep 30, 2025
- 21 tx · $1.2M · Sep 30, 2025
- 12 tx · $15.4M · Jul 1, 2025
- 70 tx · $36.9M · Dec 27, 2024
- 46 tx · $722.1K · Nov 20, 2024
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).
Transaction history of GABELLI MARIO J
Co-insiders of GABELLI MARIO J
This page republishes public regulatory disclosures.
47 tx · $8M · Oct 29, 2024
| Company | Filed | Type | Qty | Price | Value · USD | Src | Details |
|---|
| Jul 20, 2026 | Other | 621,928 | 6.90 USD | $4.3M | SEC | |
| Jul 20, 2026 | OtherD (derivative) | -572,324 | 0.00 USD | — | SEC | |
| Jul 20, 2026 | OtherD (derivative) | -621,928 | 0.00 USD | — | SEC | |
| Jul 20, 2026 | Other | 572,324 | 6.90 USD | $3.9M | SEC | |
| Jun 16, 2026 | SellD (derivative) | -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 | |