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Mario Gabelli Insider Profile
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Mario Gabelli, Chairman & CEO, Director, Ten Percent Owner at Gamco Investors, holds 135.25K shares in Atlanta Braves Holdings Inc Class A (Ticker: BATRA), holds 281.37K shares in M-tron Industries Inc (Ticker: MPTI), holds 21.45M shares in Gamco Investors (Ticker: GAMI). Most recently, Mario Gabelli Bought ― shares of Atlanta Braves Holdings Inc Class A on May 29, 2025 for an estimated value of $86.90K.
Mario Gabelli Gamco Investors (GAMI)Chairman & CEO, Director, Ten Percent Owner
Gamco Investors (GAMI)
Chairman & CEO, Director, Ten Percent Owner
Ranked #84,414 out of 102,971 Corporate Insiders
Profitable Transactions
45 out of 81 Profitable Transactions
Average Return
-5.50%
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
$521.76M
Associated Capital Group
Aug 13, 2020
EC, Director, Ten Percent Owner
Uninformative Sell
―
$3.03M
M-tron Industries Inc
Nov 20, 2024
Ten Percent Owner
Uninformative Sell
―
$11.81M
Atlanta Braves Holdings Inc Class A
May 29, 2025
Ten Percent Owner
Informative Buy
86.90K
$6.40M
GDL Fund
Aug 18, 2015
Director, Control Person of Adviser
Informative Buy
18.77K
$14.68M
Gabelli Equity Trust Inc
Dec 10, 2014
Director, Control Person of Adviser
Informative Sell
136.40K
$10.74M
Gabelli Global Utility & Income Trust
Aug 31, 2015
Control Person of Adviser
Informative Sell
23.69K
$4.26M
Gabelli Dividend & Income Trust
Sep 03, 2014
Director, Control Person of Adviser
Informative Sell
121.31K
$16.99M
Gabelli Convertible and Income Securities Fund Inc
Oct 02, 2014
Director, Control Person of Adviser
Informative Sell
24.91K
$5.94M
Gabelli Utility Trust
Dec 28, 2012
Director, Control Person of Adviser
Informative Buy
709.34K
$2.65M
LGL Group
Jul 16, 2020
Ten Percent Owner
Informative Buy
13.10K
$6.88M
GAMCO Natural Resources. Gold & Income Trust
Apr 19, 2013
Control Person of Adviser
Informative Buy
33.75K
$88.11K
GAMCO Global Gold. Natural Resources & Income Trust
Apr 19, 2013
Control Person of Adviser
Uninformative Buy
―
$61.71K
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 56%.
What is the average return per transaction made by Mario Gabelli?
The average return per transaction made by Mario Gabelli is -5.50%.
What stocks does Mario Gabelli hold?
Mario Gabelli holds: GAMI, AC, 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 Informative Buy of $86.90K.
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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