Gamco Investors, Inc. Et Al · Q2 2026 13F · SEC CIK 807249

Mario Gabelli portfolio

CorporationGAMCO Investors 13F holdings. Filed 2026-08-12 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $11.1B
Reported positions: 919
Top holdings a year, 3 yrs: +21.5%
Average holding period: 9.8 yrs

Mario Gabelli is the founder of GAMCO Investors, which reported 919 positions worth $11.1B in its Q2 2026 13F, filed 2026-08-12. Its largest holdings were Madison Square Grdn Sprt Corp Cl A (MSGK, 2.1%), Crane Company (CR, 2.0%), Mueller Industries, Inc. (MLI, 1.7%). A portfolio copying its top holdings returned 21.5% a year over the last 3 years, against 20.4% for the S&P 500.

Mario Gabelli holdings largest 50 of 919 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Mario Gabelli 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
MSGKMadison Square Grdn Sprt Corp Cl A	2.1%	1.9%	589,128	+0.3%	$236.7M
CRCrane Company	2.0%	1.7%	978,953	-1.9%	$218.4M
MLIMueller Industries, Inc.	1.7%	1.8%	1,542,150	-5.8%	$189.6M
GATXGatx Corp	1.7%	1.9%	1,054,962	-4.2%	$186.9M
WTSWatts Water Technologies Inc	1.4%	1.2%	399,032	-1.3%	$156.2M
BNYBank of Ny Mellon Corp	1.3%	1.2%	976,858	-6.3%	$141.3M
HRIHerc Hldgs Inc	1.3%	1.0%	976,739	+0.4%	$140.0M
SPHRSphere Entertainment Co	1.2%	0.9%	765,913	-3.6%	$132.5M
AMEAmetek Inc	1.2%	1.2%	544,372	-0.8%	$131.7M
AXPAmerican Express Co	1.2%	1.2%	388,962	-1.2%	$131.6M
MODModine Manufacturing Co	1.2%	1.2%	489,969	-11.1%	$130.8M
BATRAAtlanta Braves Hldgs Inc	1.1%	1.0%	2,144,996	-1.3%	$120.8M
MYEMyers Inds Inc	1.1%	0.7%	3,374,319	-1.6%	$119.1M
TXTTextron Inc	1.1%	1.1%	1,278,399	-1.1%	$117.3M
RHPRyman Hospitality Pptys Inc	1.0%	0.8%	891,400	-3.7%	$114.6M
NPOEnpro Inc	1.0%	0.8%	281,677	-8.3%	$106.2M
NFGNational Fuel Gas Co	0.9%	1.3%	1,370,347	+0.1%	$105.8M
RSGRepublic Svcs Inc	0.9%	1.0%	446,379	-1.0%	$95.1M
CWCurtiss Wright Corp	0.8%	0.8%	122,132	-2.6%	$92.5M
SONYSony Group Corp	0.8%	0.9%	4,498,717	-2.0%	$90.2M
TSATTelesat Corp Cl A & Cl B Shs	0.8%	0.6%	1,723,385	-2.6%	$87.2M
CNHICnh Indl N V	0.8%	0.8%	7,506,278	+0.5%	$84.3M
RUSHBRush Enterprises Inc	0.7%	0.7%	1,052,375	-1.3%	$80.5M
ODCOil Dri Corp Amer	0.7%	0.5%	778,050	-0.6%	$79.5M
DCODucommun Inc Del	0.7%	0.5%	427,832	-4.8%	$79.2M
FLSFlowserve Corp	0.7%	0.8%	1,050,126	-1.5%	$77.9M
STTState Str Corp	0.7%	0.6%	451,003	-1.9%	$76.5M
CTSCts Corp	0.7%	0.6%	1,170,496	-2.4%	$76.3M
GOOGAlphabet Inc	0.6%	0.5%	203,471	+8.3%	$71.9M
PAGPenske Automotive Grp Inc	0.6%	0.6%	394,387	-0.2%	$70.6M
ATIAti Inc	0.6%	0.5%	358,000	-1.0%	$70.6M
NVDANvidia Corporation	0.6%	0.6%	347,468	+4.7%	$69.5M
SWXSouthwest Gas Hldgs Inc	0.6%	0.7%	764,194	-2.4%	$67.8M
ASTEAstec Inds Inc	0.6%	0.6%	1,077,885	-2.2%	$66.0M
BATRKAtlanta Braves Hldgs Inc	0.6%	0.6%	1,268,288	-4.8%	$65.8M
MWAMueller Wtr Prods Inc	0.6%	0.7%	2,538,072	-0.4%	$65.6M
GTXGarrett Motion Inc	0.6%	—	1,707,035	—	$61.8M
TNCTennant Co	0.6%	—	701,100	—	$61.4M
DEDeere & Co	0.5%	0.5%	93,565	-1.4%	$59.4M
ANAutonation Inc Com	0.5%	0.6%	317,018	-0.1%	$58.9M
SBGISinclair Inc	0.5%	0.5%	3,936,001	-1.3%	$56.1M
GTLSChart Inds Inc	0.5%	0.6%	266,881	-1.6%	$55.8M
TDSTelephone & Data Sys Inc	0.5%	0.6%	1,490,973	-1.0%	$55.2M
ROKRockwell Automation Inc	0.5%	—	111,389	—	$55.1M
TVGrupo Televisa S.a.b	0.5%	0.6%	20,291,578	-2.2%	$55.0M
ROLRollins Inc	0.5%	0.7%	1,310,305	-0.8%	$54.7M
MTRNMaterion Corp	0.5%	—	180,940	—	$53.8M
JPMJpmorgan Chase & Co	0.5%	0.5%	162,491	-0.8%	$53.2M
GPCGenuine Parts Co	0.5%	—	448,830	—	$53.0M
AZZAzz Inc	0.5%	—	338,991	—	$52.6M

What Mario Gabelli bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

GOOG Alphabet Inc+8.3% shares

Reduced

MOD Modine Manufacturing Co-11.1% shares
NPO Enpro Inc-8.3% shares
BNY Bank of Ny Mellon Corp-6.3% shares
MLI Mueller Industries, Inc.-5.8% shares

Left the top 50

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +22.3% /yr; S&P 500 +20.1%
3 years: +21.5% /yr; S&P 500 +20.4%
5 years: +16.4% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$11.1B	919
Q1 2026	$10.1B	986
Q4 2025	$10.4B	1,010
Q3 2025	$10.3B	991
Q2 2025	$10.1B	1,025
Q1 2025	$9.1B	833
Q4 2024	$9.5B	850
Q3 2024	$9.8B	842
Q2 2024	$9.2B	848
Q1 2024	$9.9B	836
Q4 2023	$9.4B	825
Q3 2023	$8.6B	823

Questions about Mario Gabelli's portfolio

Who is Mario Gabelli?

Mario Gabelli is the founder of GAMCO Investors, a corporation that files its US stock holdings with the SEC on Form 13F under the name Gamco Investors, Inc. Et Al.

What stocks does Mario Gabelli own?

Gamco Investors, Inc. Et Al's latest 13F, for Q2 2026 and filed Aug 12, 2026, lists 919 positions worth $11.1B. The largest are Madison Square Grdn Sprt Corp Cl A (MSGK) at 2.1%, Crane Company (CR) at 2.0%, Mueller Industries, Inc. (MLI) at 1.7%, Gatx Corp (GATX) at 1.7% and Watts Water Technologies Inc (WTS) at 1.4%.

What did Mario Gabelli buy last quarter?

In Q2 2026, Gamco Investors, Inc. Et Al added Alphabet Inc (GOOG) (+8.3% shares), compared with its Q1 2026 filing.

What did Mario Gabelli sell last quarter?

In Q2 2026, Gamco Investors, Inc. Et Al cut from its top 50 Graco Inc (GGG), cut from its top 50 Warner Bros Discovery Inc (WBD), cut from its top 50 Newmont Corp (NEM), cut from its top 50 Oreilly Automotive Inc (ORLY), cut from its top 50 Ingles Mkts Inc (IMKTA), Modine Manufacturing Co (MOD) (-11.1% shares), Enpro Inc (NPO) (-8.3% shares) and Bank of Ny Mellon Corp (BNY) (-6.3% shares), compared with its Q1 2026 filing.

How has Mario Gabelli's portfolio performed?

A portfolio copying Gamco Investors, Inc. Et Al's 20 largest 13F holdings each quarter, from the day each filing was public, returned +21.5% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +22.3% against +20.1%. Over 5 years: +16.4% a year against +11.6%.

When is Gamco Investors, Inc. Et Al's next 13F filing due?

13F filings are due 45 days after each quarter ends. Gamco Investors, Inc. Et Al's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.