← Back to Discover

GAMCO INVESTORS, INC. ET AL

Period ended Sep 30, 2026 · Latest filing Nov 12, 2026

These quarterly holdings are delayed and may not include all assets or short positions. Values are from the reporting date, not current prices or purchase costs. The same security may appear in multiple rows.

Source: SEC

Reported portfolio value

Quarter-end reported holdings; not current value or investment performance.

View reported values
  • Sep 30, 2026: $10,187,210,920

More quarters will appear as history becomes available.

Top holdings

Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.

View top holdings values
  1. MADISON SQUARE GARDEN SPORTS · EQUITY · 55825T103 · shares: $210,556,841
  2. MUELLER INDUSTRIES INC · EQUITY · 624756102 · shares: $182,472,466
  3. CRANE CO · EQUITY · 224408104 · shares: $180,666,239
  4. GATX CORP · EQUITY · 361448103 · shares: $177,767,301
  5. WATTS WATER TECHNOLOGIES-A · EQUITY · 942749102 · shares: $139,866,390
  6. BANK OF NEW YORK MELLON CORP · EQUITY · 064058100 · shares: $131,749,541
  7. ATLANTA BRAVES HLDS A IN-A · EQUITY · 047726104 · shares: $123,409,209
  8. AMETEK INC · EQUITY · 031100100 · shares: $122,304,796
  9. HERC HOLDINGS INC · EQUITY · 42704L104 · shares: $120,248,669
  10. AMERICAN EXPRESS CO · EQUITY · 025816109 · shares: $115,891,294

Reported holdings

937 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
HUBBELL INCEQUITY443510607 — 1,279 shares $580,154
WEAVE COMMUNICATIONS INCEQUITY94724R108 — 78,200 shares $577,116
NXP SEMICONDUCTORS NVEQUITYN6596X109 — 2,425 shares $576,010
BRINK'S CO/THEEQUITY109696104 — 5,646 shares $570,190
BRIGHTSPRING HEALTH SERV 6.750 02/01/27 CVTPREFERRED CONVER10950A205 — 3,000 shares $565,410
UNILEVER PLC-SPONSORED ADRDEPOSITORY RECEI904767803 — 9,278 shares $563,453
SOLARIS ENERGY INFRASTRUCTUREQUITY83418M103 — 7,896 shares $562,037
LIFECORE BIOMEDICAL INCEQUITY514766104 — 83,800 shares $551,404
WATERS CORPEQUITY941848103 — 1,231 shares $540,889
STRAWBERRY FIELDS REIT INCEQUITY863182101 — 41,878 shares $540,226
ARKO CORPEQUITY041242108 — 131,096 shares $540,116
STATE STREET SPDR S&P MIDCAPEXCHANGE TRADED78467Y107 — 821 shares $539,159
TRUSTMARK CORPEQUITY898402102 — 12,000 shares $537,960
CASEY'S GENERAL STORES INCEQUITY147528103 — 883 shares $537,270
ISHARES MSCI EMERGING MARKETEXCHANGE TRADED464287234 — 8,000 shares $534,320
EXPAND ENERGY CORPEQUITY165167735 — 6,351 shares $534,056
APOLLO GLOBAL MANAGEMENT INCEQUITY03769M106 — 4,564 shares $529,698
ETHAN ALLEN INTERIORS INCEQUITY297602104 — 25,300 shares $529,023
DAUCH CORPORATIONEQUITY024061103 — 101,315 shares $528,864
PRIMORIS SERVICES CORPEQUITY74164F103 — 7,086 shares $528,049
BANCO SANTANDER SA-SPON ADRDEPOSITORY RECEI05964H105 — 38,013 shares $525,720
ALPINE INCOME PROPERTY TRUSTEQUITY02083X103 — 30,040 shares $521,194
DOLBY LABORATORIES INC-CL AEQUITY25659T107 — 8,863 shares $520,879
GLAUKOS CORPEQUITY377322102 — 3,158 shares $518,512
SAFETY INSURANCE GROUP INCEQUITY78648T100 — 5,000 shares $517,900
SYNOPSYS INCEQUITY871607107 — 1,190 shares $517,579
READING INTERNATIONAL INC-BEQUITY755408200 — 34,000 shares $515,440
DELTA AIR LINES INCEQUITY247361702 — 6,125 shares $511,193
CASS INFORMATION SYSTEMS INCEQUITY14808P109 — 9,553 shares $508,697
DEVON ENERGY CORPEQUITY25179M103 — 11,020 shares $507,361
MERCURY SYSTEMS INCEQUITY589378108 — 6,100 shares $506,300
ALLEGION PLCEQUITYG0176J109 — 3,249 shares $499,599
VERALTO CORPEQUITY92338C103 — 5,280 shares $498,010
REGAL REXNORD CORPEQUITY758750103 — 3,200 shares $496,352
REGENERON PHARMACEUTICALSEQUITY75886F107 — 653 shares $495,150
NOV INCEQUITY62955J103 — 26,333 shares $493,217
HOMETRUST BANCSHARES INCEQUITY437872104 — 10,750 shares $492,028
A10 NETWORKS INCEQUITY002121101 — 18,100 shares $490,691
EMERSON ELECTRIC COEQUITY291011104 — 3,144 shares $487,634
I3 VERTICALS INC-CLASS AEQUITY46571Y107 — 35,013 shares $483,880
QUANTA SERVICES INCEQUITY74762E102 — 752 shares $483,168
CINEMARK HOLDINGS INCEQUITY17243V102 — 12,932 shares $482,364
OPERA LTD-ADRDEPOSITORY RECEI68373M107 — 27,370 shares $482,259
PROSPERITY BANCSHARES INCEQUITY743606105 — 7,267 shares $481,148
DIAMONDBACK ENERGY INCEQUITY25278X109 — 2,557 shares $470,002
FIRSTENERGY CORP 3.875 01/15/31 CVTBOND CONVERTIBLE337932AV9 — 450,000 principal $467,055
TOWNE BANKEQUITY89214P109 — 13,100 shares $467,015
BRIDGEBIO PHARMA INC 2.500 03/15/27 CVTBOND CONVERTIBLE10806XAB8 — 300,000 principal $466,812
UNIVERSAL HEALTH SERVICES-BEQUITY913903100 — 2,668 shares $464,926
BRIXMOR PROPERTY GROUP INCEQUITY11120U105 — 16,784 shares $463,238
LINDE PLCEQUITYG54950103 — 975 shares $462,784
BOWMAN CONSULTING GROUP LTDEQUITY103002101 — 10,852 shares $462,729
PARK HOTELS & RESORTS INCEQUITY700517105 — 30,000 shares $462,600
MATTEL INCEQUITY577081102 — 36,500 shares $462,090
UBER TECHNOLOGIES INCEQUITY90353T100 — 6,715 shares $460,045
CONSTELLATION BRANDS INC-AEQUITY21036P108 — 4,054 shares $458,345
LIBERTY LATIN AMER CEQUITYG9001E128 — 55,172 shares $453,514
PRIMO BRANDS CORPEQUITY741623102 — 23,743 shares $452,304
RPM INTERNATIONAL INCEQUITY749685103 — 4,565 shares $450,429
EASTERN BANKSHARES INCEQUITY27627N105 — 21,500 shares $449,995
OCCIDENTAL PETROLEUM CORPEQUITY674599105 — 8,088 shares $447,428
AKAMAI TECHNOLOGIES INC 0.375 09/01/27 CVTBOND CONVERTIBLE00971TAL5 — 400,000 principal $447,116
SNOWFLAKE INC 0.000 10/01/29 CVTBOND CONVERTIBLE833445AD1 — 200,000 principal $444,202
WEC ENERGY GROUP INC 4.375 06/01/29 CVTBOND CONVERTIBLE92939UAR7 — 400,000 principal $443,392
U-HAUL HOLDING COEQUITY023586100 — 7,340 shares $441,648
SOLARIS ENERGY INFRASTRU 0.250 10/01/31 CVTBOND CONVERTIBLE83419XAB4 — 300,000 principal $441,384
TITAN INTERNATIONAL INCEQUITY88830M102 — 65,000 shares $440,700
EXELON CORPEQUITY30161N101 — 10,876 shares $439,390
KIMBERLY-CLARK CORPEQUITY494368103 — 4,505 shares $438,922
DOUBLEVERIFY HOLDINGS INCEQUITY25862V105 — 32,500 shares $438,425
PAYPAL HOLDINGS INCEQUITY70450Y103 — 8,267 shares $434,266
VAREX IMAGING CORPEQUITY92214X106 — 23,500 shares $433,575
TC ENERGY CORPEQUITY87807B107 — 7,500 shares $433,350
AMERICAN WATER WORKS CO INCEQUITY030420103 — 3,332 shares $431,394
OSI SYSTEMS INC 2.250 08/01/29 CVTBOND CONVERTIBLE671044AF2 — 350,000 principal $427,529
DELL TECHNOLOGIES -CEQUITY24703L202 — 790 shares $424,981
SHAKE SHACK INC - CLASS AEQUITY819047101 — 7,185 shares $421,616
CBRE GROUP INC - AEQUITY12504L109 — 3,281 shares $421,510
ACCO BRANDS CORPEQUITY00081T108 — 100,047 shares $420,197
CONSTELLATION ENERGYEQUITY21037T109 — 1,652 shares $419,641
MARINEMAX INCEQUITY567908108 — 8,000 shares $418,400
LAMB WESTON HOLDINGS INCEQUITY513272104 — 9,960 shares $415,232
KIMBALL ELECTRONICS INCEQUITY49428J109 — 15,180 shares $414,869
SNOWFLAKE INCEQUITY833445109 — 1,216 shares $412,905
DR HORTON INCEQUITY23331A109 — 3,020 shares $412,683
MARRIOTT INTERNATIONAL -CL AEQUITY571903202 — 1,152 shares $409,732
JBT MAREL CORPEQUITY477839104 — 3,880 shares $409,689
ARIS MINING CORPEQUITY04040Y109 — 23,405 shares $407,247
WYNDHAM HOTELS & RESORTS INCEQUITY98311A105 — 5,620 shares $403,741
MICROCHIP TECHNOLOGY INC 7.500 03/15/28 CVTPREFERRED CONVER595017302 — 6,000 shares $399,540
SHOPIFY INC - CLASS AEQUITY82509L107 — 2,680 shares $397,444
GRAY MEDIA INC-AEQUITY389375205 — 83,734 shares $394,387
NASDAQ INCEQUITY631103108 — 4,168 shares $383,498
PAGAYA TECHNOLOGIES LTD 6.125 10/01/29 CVTBOND CONVERTIBLE69549FAB5 — 250,000 principal $380,535
TIDEWATER INCEQUITY88642R109 — 4,680 shares $379,548
FLUOR CORP 1.125 08/15/29 CVTBOND CONVERTIBLE343412AJ1 — 300,000 principal $372,870
SPROTT INCEQUITY852066208 — 3,100 shares $370,078
WABASH NATIONAL CORPEQUITY929566107 — 30,000 shares $369,900
UBER TECHNOLOGIES INC 0.875 12/01/28 SR:2028 CVTBOND CONVERTIBLE90353TAM2 — 320,000 principal $366,973
AFFILIATED MANAGERS GROUPEQUITY008252108 — 1,000 shares $365,610