Mario Gabelli

GAMCO Investors

Mario Joseph Gabelli is an influential American stock investor and the founder, chairman, and CEO of GAMCO Investors, an investment firm based in Rye, New York. With a career spanning several decades, Gabelli is known for his value investing philosophy and his focus on fundamental analysis. He has accumulated significant wealth through his successful investment strategies, earning over $750 million in compensation from his firm. GAMCO Investors, formerly Gabelli Asset Management Company, provides investment advice and brokerage services to mutual funds, institutional, and select investors. The firm emphasizes a value-oriented approach, seeking to identify undervalued companies with strong growth potential. Gabelli's investment strategy often involves deep analysis of financial statements and market conditions to uncover hidden opportunities. The disclosed trading record for Mario Gabelli through GAMCO Investors reveals a total of 600 disclosures, with notable recent activity including position reductions and exits. The latest filing on May 14, 2026, showed a significant trim in holdings, particularly with Herc Holdings Inc (HRI), where a value of approximately $61.4 million was reduced. The firm has engaged in numerous transactions across various sectors, with a particular focus on Industrials and Financial Services.

Latest Holdings

HoldingReported ValueWeightSharesLast PriceEst. ValueReturn
Microsoft CorpMSFT · Q1 2026$48M0.5%130k$390.34$51M+5.45%
Tennant Company Common StockTNC · Q1 2026$47M0.5%706.4k$86.17$61M+29.8%
AZZ Inc.AZZ · Q1 2026$45M0.4%363.4k$148.71$54M+18.8%
iShares Core S&P 500 ETFIVV · Q1 2026$45M0.4%69k$750.93$52M+15%
Freeport-McMoRan IncFCX · Q1 2026$45M0.4%757.9k$58.94$45M+0.27%
ITT Inc. Common StockITT · Q1 2026$45M0.4%233.6k$195.34$46M+2.52%
TXNM Energy, Inc.TXNM · Q1 2026$44M0.4%755.3k$57.91$44M-0.94%
Honeywell International IncHON · Q1 2026$43M0.4%192k$225.04$43M-0.44%
Johnson Controls International plcJCI · Q1 2026$43M0.4%329.4k$140.13$46M+7.01%
457651107457651107 · Q1 2026$42M0.4%1.7M------
Genuine Parts CompanyGPC · Q1 2026$42M0.4%397.6k$125.66$50M+18.8%
Versant Media Group, Inc. Class AVSNT · Q1 2026$41M0.4%1.1M$36.35$40M-1.81%
Rockwell Automation IncROK · Q1 2026$41M0.4%113.6k$462.43$53M+28.9%
Dana IncorporatedDAN · Q1 2026$41M0.4%1.2M$26.81$32M-20.3%
Monro, Inc.MNRO · Q1 2026$40M0.4%2.5M$17.46$44M+8.85%
Berkshire Hathaway Inc.BRK-B · Q1 2026$40M0.4%84.2k$493.12$42M+2.9%
Strattec Security CorporationSTRT · Q1 2026$40M0.4%514.5k$83.33$43M+6.37%
Cavco Industries, Inc.CVCO · Q1 2026$40M0.4%83.1k$585.49$49M+20.9%
Advance Auto Parts IncAAP · Q1 2026$40M0.4%760.2k$55.49$42M+5.19%
MATTHEWS INTL CORP -CL AMATW · Q1 2026$40M0.4%1.5M$27.95$43M+8.25%
Xylem IncXYL · Q1 2026$39M0.4%328k$121.43$40M+1.62%
United States Cellular CorporationUSM · Q1 2026$39M0.4%844.6k$77.01$65M+66.9%
Wells Fargo & CoWFC · Q1 2026$38M0.4%478.4k$86.35$41M+8.46%
Lennar CorporationLEN-B · Q1 2026$38M0.4%449.3k$80.57$36M-4.22%
Amazon.com IncAMZN · Q1 2026$37M0.4%179.1k$244.85$44M+17.6%
Live Nation Entertainment IncLYV · Q1 2026$37M0.4%244.4k$182.31$45M+19.5%
558256103558256103 · Q1 2026$37M0.4%628.3k------
Griffon CorporationGFF · Q1 2026$37M0.4%506k$93.61$47M+28.8%
Federal Signal CorporationFSS · Q1 2026$36M0.4%335.4k$119.50$40M+10.5%
383082104383082104 · Q1 2026$36M0.4%582.5k------
Garrett Motion Inc.GTX · Q1 2026$35M0.3%2M$31.84$62M+75.2%
Millicom International Cellular S.A.TIGO · Q1 2026$35M0.3%472k$94.70$45M+26.4%
Standard Motor Products, Inc.SMP · Q1 2026$35M0.3%996.9k$39.43$39M+13.5%
Moog Inc.MOG-A · Q1 2026$35M0.3%118k$382.48$45M+30.7%
Energizer Holdings, Inc.ENR · Q1 2026$34M0.3%2.1M$20.64$43M+25.7%
Albany International Corp.AIN · Q1 2026$34M0.3%644.6k$75.09$48M+43.8%
KKR & Co IncKKR · Q1 2026$34M0.3%363.6k$102.75$37M+11.1%
HEICO CorpHEI · Q1 2026$34M0.3%122.3k$344.03$42M+25.5%
Trinity Industries IncTRN · Q1 2026$32M0.3%983.3k$36.06$35M+12.1%
Fox CorpFOX · Q1 2026$31M0.3%585.2k$50.39$29M-5.1%
Apple IncAAPL · Q1 2026$31M0.3%120.8k$325.89$39M+28.4%
Park-Ohio Holdings Corp.PKOH · Q1 2026$30M0.3%1.2M$38.44$48M+59.9%
45167R10445167R104 · Q1 2026$30M0.3%156.7k------
St. Joe CompanyJOE · Q1 2026$30M0.3%471.5k$61.51$29M-2.05%
Berkshire Hathaway Inc.BRK-A · Q1 2026$29M0.3%41$732,750.00$30M+2.03%
Nathan's Famous, Inc.NATH · Q1 2026$29M0.3%291.1k$100.26$29M-0.47%
Meta Platforms IncMETA · Q1 2026$29M0.3%51.1k$627.17$32M+9.62%
Waste Management, Inc.WM · Q1 2026$29M0.3%126.6k$238.83$30M+3.93%
Golden Entertainment, Inc. - Common StockGDEN · Q1 2026$29M0.3%1.1M$28.55$31M+6.97%
Caesars Entertainment IncCZR · Q1 2026$29M0.3%1.1M$29.91$32M+13.2%
Showing 51-100 of 1,007