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
Madison Square Garden Sports Corp.MSGS · Q1 2026$189M1.9%587.7k$390.02$229M+21.4%
GATX Corporation Common StockGATX · Q1 2026$188M1.9%1.1M$177.09$195M+3.72%
MUELLER INDUSTRIES INCMLI · Q1 2026$181M1.8%1.6M$57.51$94M-48.1%
Crane CoCR · Q1 2026$171M1.7%998.4k$218.84$218M+28%
National Fuel Gas CompanyNFG · Q1 2026$129M1.3%1.4M$81.64$112M-13.1%
The Bank of New York Mellon CorpBK · Q1 2026$124M1.2%1M$141.91$148M+19.6%
Modine Manufacturing CompanyMOD · Q1 2026$119M1.2%551.4k$247.09$136M+14%
American Express CoAXP · Q1 2026$119M1.2%393.7k$348.74$137M+15.3%
AMETEK IncAME · Q1 2026$118M1.2%548.6k$237.30$130M+10.7%
Watts Water Technologies, Inc.WTS · Q1 2026$117M1.2%404.1k$349.21$141M+20.3%
Textron Inc. Common StockTXT · Q1 2026$113M1.1%1.3M$88.75$115M+1.36%
4772610447726104 · Q1 2026$102M1%2.2M------
Republic Services, Inc.RSG · Q1 2026$99M1%450.9k$216.52$98M-1.14%
Herc Holdings IncHRI · Q1 2026$97M1%973.1k$148.94$145M+49.6%
Sony Group CorporationSONY · Q1 2026$95M0.9%4.6M$21.15$97M+2.17%
Madison Square Garden Entertainment Corp.MSGE · Q1 2026$93M0.9%794.8k$74.09$59M-36.9%
Curtiss-Wright CorpCW · Q1 2026$85M0.8%125.4k$715.51$90M+5.05%
Ryman Hospitality Properties IncRHP · Q1 2026$85M0.8%925.2k$124.99$116M+35.5%
CNH Industrial N.V. Common SharesCNHI · Q1 2026$82M0.8%7.5M$11.45$86M+4.09%
Flowserve CorporationFLS · Q1 2026$78M0.8%1.1M$66.74$71M-9.21%
EnPro Industries, Inc.NPO · Q1 2026$77M0.8%307.3k$324.64$100M+29.5%
Myers Industries, Inc.MYE · Q1 2026$73M0.7%3.4M$31.32$107M+47.9%
ROLLINS IncROL · Q1 2026$71M0.7%1.3M$43.86$58M-17.9%
Mueller Water Products, Inc.MWA · Q1 2026$70M0.7%2.5M$25.94$66M-5.64%
Rush Enterprises, Inc.RUSHB · Q1 2026$69M0.7%1.1M$78.25$83M+21.6%
Southwest Gas Holdings, Inc. Common StockSWX · Q1 2026$68M0.7%782.8k$91.25$71M+5.01%
Telesat CorporationTSAT · Q1 2026$64M0.6%1.8M$37.47$66M+3.51%
Telephone and Data Systems, Inc.TDS · Q1 2026$63M0.6%1.5M$33.79$51M-19.7%
AutoNation IncAN · Q1 2026$62M0.6%317.3k$203.54$65M+4.24%
Grupo Televisa, S.A.B.TV · Q1 2026$60M0.6%20.7M$2.78$58M-4.47%
ASTEC INDUSTRIES INCASTE · Q1 2026$59M0.6%1.1M$56.30$62M+4.57%
Penske Automotive Group, Inc.PAG · Q1 2026$59M0.6%395k$204.75$81M+36.9%
State Street Corporation (1)STT · Q1 2026$58M0.6%459.7k$183.30$84M+44.8%
Graco Inc. Common StockGGG · Q1 2026$58M0.6%686.8k$76.17$52M-10%
NVIDIA CorporationNVDA · Q1 2026$58M0.6%331.9k$212.06$70M+21.6%
CTS CorpCTS · Q1 2026$57M0.6%1.2M$59.39$71M+24.4%
4772630247726302 · Q1 2026$57M0.6%1.3M------
Chart Industries IncGTLS · Q1 2026$56M0.6%271.1k$209.90$57M+1.52%
Warner Bros. Discovery, Inc. - Series A Common StockWBD · Q1 2026$55M0.5%2M$25.83$52M-5.94%
DUCOMMUN INCDCO · Q1 2026$55M0.5%449.5k$168.67$76M+38.3%
Alphabet Cl CGOOG · Q1 2026$54M0.5%187.9k$341.91$64M+19.2%
Newmont CorporationNEM · Q1 2026$54M0.5%496.7k$90.29$45M-16.6%
Deere & Company Common StockDE · Q1 2026$53M0.5%94.9k$595.56$57M+5.73%
ATI Inc.ATI · Q1 2026$53M0.5%361.5k$184.68$67M+27%
O'Reilly Automotive IncORLY · Q1 2026$52M0.5%564.2k$86.25$49M-6.56%
829242106829242106 · Q1 2026$52M0.5%4M------
Ingles Markets, Incorporated - Class AIMKTA · Q1 2026$52M0.5%573.9k$92.70$53M+3.13%
Oil-Dri Corporation of AmericaODC · Q1 2026$51M0.5%782.5k$101.98$80M+56.7%
Tredegar CorporationTG · Q1 2026$48M0.5%6.1M$7.55$46M-5.03%
JPMorgan Chase & Co.JPM · Q1 2026$48M0.5%163.8k$348.21$57M+18.4%
Showing 1-50 of 1,007