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Mario Gabelli Insider Profile
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Mario Gabelli, Chairman & CEO, Director, Ten Percent Owner at Gamco Investors, holds 1.24M shares in LGL Group (Ticker: LGL), holds 135.25K shares in Atlanta Braves Holdings Inc Class A (Ticker: BATRA), holds 281.37K shares in M-tron Industries Inc (Ticker: MPTI).
Mario Gabelli Gamco Investors (GAMI)Chairman & CEO, Director, Ten Percent Owner
Gamco Investors (GAMI)
Chairman & CEO, Director, Ten Percent Owner
Ranked #89,223 out of 105,518 Corporate Insiders
Profitable Transactions
44 out of 82 Profitable Transactions
Average Return
-6.30%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Mario Gabelli holds in companies
Most Profitable Insider Trade
The most profitable trade made by Mario Gabelli
Mario Gabelli's Trading History
Gamco Investors
May 17, 2021
Chairman & CEO, Director, Ten Percent Owner
Informative Sell
637.99K
$530.34M
Associated Capital Group
Aug 13, 2020
EC, Director, Ten Percent Owner
Uninformative Sell
―
$3.22M
M-tron Industries Inc
Nov 20, 2024
Ten Percent Owner
Uninformative Sell
―
$17.46M
Atlanta Braves Holdings Inc Class A
May 29, 2025
Ten Percent Owner
Informative Buy
86.90K
$5.78M
GDL Fund
Aug 18, 2015
Director, Control Person of Adviser
Informative Buy
18.77K
$14.82M
Gabelli Equity Trust Inc
Dec 10, 2014
Director, Control Person of Adviser
Informative Sell
136.40K
$10.99M
Gabelli Global Utility & Income Trust
Aug 31, 2015
Control Person of Adviser
Informative Sell
23.69K
$4.76M
Gabelli Dividend & Income Trust
Sep 03, 2014
Director, Control Person of Adviser
Informative Sell
121.31K
$18.09M
Gabelli Convertible and Income Securities Fund Inc
Oct 02, 2014
Director, Control Person of Adviser
Informative Sell
24.91K
$6.52M
Gabelli Utility Trust
Dec 28, 2012
Director, Control Person of Adviser
Informative Buy
709.34K
$2.67M
LGL Group
Jan 22, 2026
Ten Percent Owner
Uninformative Buy
807.47K
$8.76M
GAMCO Natural Resources. Gold & Income Trust
Apr 19, 2013
Control Person of Adviser
Informative Buy
33.75K
$115.59K
GAMCO Global Gold. Natural Resources & Income Trust
Apr 19, 2013
Control Person of Adviser
Uninformative Buy
―
$74.11K
List of latest transactions for each holding click on a transaction to see Mario Gabelli's performance on stock
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Mario Gabelli insider profile FAQ
What is the percentage of profitable transactions made by Mario Gabelli?
The percentage of profitable transactions made by Mario Gabelli is 54%.
What is the average return per transaction made by Mario Gabelli?
The average return per transaction made by Mario Gabelli is -6.30%.
What stocks does Mario Gabelli hold?
Mario Gabelli holds: GAMI, ACGP, MPTI, BATRA, GDL, GAB, GLU, GDV, GCV, GUT, LGL, GNT, GGN stocks.
What was Mario Gabelli’s latest transaction?
Mario Gabelli latest transaction was an Uninformative Buy of $807.47K.
What was Mario Gabelli's most profitable transaction?
Mario Gabelli’s most profitable transaction was an Informative Buy of LGL stock on April 2, 2019. The return on the trade was 115.60%.
What is Mario Gabelli's role in Gamco Investors?
Mario Gabelli's role in Gamco Investors is Chairman & CEO, Director, Ten Percent Owner.
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