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GAMCO INVESTORS, INC. ET AL

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13F filer, CIK 807249, GREENWICH, CT

GAMCO INVESTORS, INC. ET AL reported $10,122,302,820 across 1,048 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-13. Its ten largest share positions make up 15.61% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001140361-25-030814

Period
2025-06-30
Reported value
$10.1B
Holdings
1,048
Top 10 weight
15.61%
New
232
Sold out
38

Largest buys vs the previous quarter

SecurityShares changeApprox. value
ORLYadded+593,985$53.5M
IVVnew+74,230$46.1M
VTInew+54,566$16.6M
SPYadded+18,124$11.2M
ENRadded+491,794$9.91M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
JPMreduced-28,053-$8.13M
ROLreduced-129,875-$7.33M
WFCreduced-87,101-$6.98M
AXPreduced-19,729-$6.29M
SANDY SPRING BANCORP INCexited-220,206-$6.15M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2025

Share positions as resolved from 13F-HR 0001140361-25-030814, largest first. % of portfolio is the value over $10,122,302,843, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
CERTCERTARA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 12,500 shares; 2025Q1: 12,000 shares; 2025Q2: 12,000 shares 12,000$140K<0.01%0Timeline
OPFIOPPFI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 10,000 shares; 2025Q1: 10,000 shares; 2025Q2: 10,000 shares 10,000$140K<0.01%0Timeline
WSBFWATERSTONE FINL INC MDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 10,000 shares 10,000$138K<0.01%newTimeline
FFORD MTR COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,700 shares; 2024Q4: 11,700 shares; 2025Q1: 11,700 shares; 2025Q2: 11,700 shares 11,700$127K<0.01%0Timeline
GYROGYRODYNE LLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 14,411 shares; 2024Q4: 14,411 shares; 2025Q1: 15,251 shares; 2025Q2: 14,411 shares 14,411$124K<0.01%-840Timeline
ARISARIS MINING CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 17,995 shares 17,995$121K<0.01%newTimeline
OGNORGANON & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 12,298 shares 12,298$119K<0.01%newTimeline
IRBTQIROBOT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 39,200 shares; 2024Q4: 38,700 shares; 2025Q1: 44,300 shares; 2025Q2: 36,200 shares 36,200$113K<0.01%-8,100Timeline
CTLPCANTALOUPE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 10,000 shares 10,000$110K<0.01%newTimeline
SWZTOTAL RETURN SECURITIES FUNDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 16,048 shares; 2024Q4: 16,048 shares; 2025Q1: 16,048 shares; 2025Q2: 16,048 shares 16,048$102K<0.01%0Timeline
BRWSABA CAPITAL INCOME & OPRNTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10,000 shares; 2024Q4: 10,000 shares; 2025Q1: 10,500 shares; 2025Q2: 10,500 shares 10,500$84.6K<0.01%0Timeline
NEONEOGENOMICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 11,000 shares 11,000$80.4K<0.01%newTimeline
BLZEBACKBLAZE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 14,400 shares 14,400$79.2K<0.01%newTimeline
GLOBAL BLUE GROUP HOLDING A…GLOBAL BLUE GROUP HOLDING AG ORD …Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 10,000 shares 10,000$74.7K<0.01%new
INNSUMMIT HOTEL PPTYSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 13,500 shares; 2024Q4: 13,500 shares; 2025Q1: 13,500 shares; 2025Q2: 13,500 shares 13,500$68.7K<0.01%0Timeline
GLVCLOUGH GLOBAL DIVID & INCOMEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 10,000 shares; 2025Q1: 10,000 shares; 2025Q2: 10,000 shares 10,000$56.8K<0.01%0Timeline
TELFYTELEFONICA SA-SPON ADRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10,000 shares; 2024Q4: 10,000 shares; 2025Q1: 10,000 shares; 2025Q2: 10,000 shares 10,000$52.3K<0.01%0Timeline
PACKRANPAK HOLDINGS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 10,950 shares; 2025Q2: 14,000 shares 14,000$50K<0.01%+3,050Timeline
VIMEO INCVIMEO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,660 shares; 2024Q4: 12,660 shares; 2025Q1: 12,660 shares; 2025Q2: 11,242 shares 11,242$45.4K<0.01%-1,418
KLXEKLX ENERGY SERVICES HOLDINGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 23,000 shares; 2024Q4: 23,000 shares; 2025Q1: 23,060 shares; 2025Q2: 23,000 shares 23,000$43K<0.01%-60Timeline
CMTLCOMTECH TELECOMMUNICATIONS CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 17,000 shares; 2025Q1: 17,000 shares; 2025Q2: 17,000 shares 17,000$41.6K<0.01%0Timeline
HBIOHARVARD BIOSCIENCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 95,000 shares; 2025Q1: 85,000 shares; 2025Q2: 77,000 shares 77,000$34.2K<0.01%-8,000Timeline
AMPCO-PITTSBURG CORPAMPCO-PITTSBURG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,720,579 shares; 2024Q4: 1,728,779 shares; 2025Q1: 1,703,779 shares; 2025Q2: 1,703,529 shares 1,703,529$32.4K<0.01%-250
DDD3D SYS CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 57,500 shares; 2024Q4: 56,000 shares; 2025Q1: 56,000 shares; 2025Q2: 10,000 shares 10,000$15.4K<0.01%-46,000Timeline
SUPERIOR INDS INTL INCSUPERIOR INDS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 50,001 shares; 2024Q4: 47,001 shares; 2025Q1: 47,001 shares; 2025Q2: 33,000 shares 33,000$4.5K<0.01%-14,001

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
LUMENTUM HLDGS INCLUMENTUM HLDGS INC NOTE 1.500%12/1principal300,000$461K0
UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC NOTE 0.875%12/0principal320,000$457K0
BLOOM ENERGY CORPBLOOM ENERGY CORP Bondprincipal300,000$445K0
NORTHERN OIL & GAS INCNORTHERN OIL & GAS INC NOTE 3.625% 4/1principal400,000$420K0
LIBERTY MEDIA CORP DELLIBERTY MEDIA CORP DEL NOTE 2.250% 8/1principal300,000$403K0
ARRAY TECHNOLOGIES INCARRAY TECHNOLOGIES INC NOTE 1.000%12/0principal500,000$394K0
AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 0.375% 9/0principal400,000$389K0
BRIDGEBIO PHARMA INCBRIDGEBIO PHARMA INC NOTE 2.500% 3/1principal300,000$375Knew
NUTANIX INCNUTANIX INC Convertibleprincipal250,000$352K0
PPL CAP FDG INCPPL CAP FDG INC NOTE 2.875% 3/1principal300,000$324K0
AMC GLOBAL MEDIA INCAMC GLOBAL MEDIA INC NOTE 4.250% 2/1principal400,000$321Knew
REDFIN CORPREDFIN CORP NOTE 0.500% 4/0principal350,000$316K0
RIVIAN AUTOMOTIVE INCRIVIAN AUTOMOTIVE INC NOTE 4.625% 3/1principal300,000$305K0
REDWOOD TRUST INCREDWOOD TRUST INC Convertibleprincipal300,000$299K0
VERTEX INCVERTEX INC NOTE 0.750% 5/0principal250,000$296Knew
NABORS INDS INCNABORS INDS INC NOTE 1.750% 6/1principal500,000$289K+100,000
EVOLENT HEALTH INCEVOLENT HEALTH INC NOTE 3.500%12/0principal300,000$255Knew
TRANSMEDICS GROUP INCTRANSMEDICS GROUP INC NOTE 1.500% 6/0principal150,000$241K0
PROGRESS SOFTWARE CORPPROGRESS SOFTWARE CORP NOTE 3.500% 3/0principal200,000$232Knew
WEC ENERGY GROUP INCWEC ENERGY GROUP INC Convertibleprincipal200,000$231Knew
LIVE NATION ENTERTAINMENT INLIVE NATION ENTERTAINMENT IN NOTE 3.125% 1/1principal150,000$230K0
SAREPTA THERAPEUTICS INCSAREPTA THERAPEUTICS INC NOTE 1.250% 9/1principal300,000$221K0
EXACT SCIENCES CORPEXACT SCIENCES CORP NOTE 0.375% 3/1principal200,000$191K0

Sold out in Q2 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
SANDY SPRING BANCORP INCSANDY SPRING BANCORP INC220,206$6.15Mshares
INTRA-CELLULAR THERAPIES INCINTRA-CELLULAR THERAPIES INC38,100$5.03Mshares
LIONS GATE ENTMNT CORPLIONS GATE ENTMNT CORP408,300$3.61Mshares
PATTERSON COS INCPATTERSON COS INC97,550$3.05Mshares
INTEVAC INCINTEVAC INC730,428$2.92Mshares
BEACON ROOFING SUPPLY INCBEACON ROOFING SUPPLY INC21,480$2.66Mshares
H&E EQUIPMENT SERVICES INCH&E EQUIPMENT SERVICES INC25,200$2.39Mshares
BARRICK GOLD CORPBARRICK GOLD CORP101,470$1.97Mshares
ACCOLADE INCACCOLADE INC220,000$1.54Mshares
VOXX INTERNATIONAL CORPVOXX INTERNATIONAL CORP200,000$1.5Mshares
SOLARWINDS CORPSOLARWINDS CORP79,964$1.47Mshares
PACTIV EVERGREEN INCPACTIV EVERGREEN INC75,000$1.35Mshares
PLAYA HOTELS & RESORTS NVPLAYA HOTELS & RESORTS NV100,000$1.33Mshares
CODICOMPASS DIVERSIFIED36,359$679Kshares
VSTSVESTIS CORPORATION55,625$551Kshares
NORDSTROM INCNORDSTROM INC22,000$538Kshares
UNITED STATES STL CORP NEWUNITED STATES STL CORP NEW12,500$528Kshares
NEVRO CORPNEVRO CORP88,500$517Kshares
DESPEGAR COM CORPDESPEGAR COM CORP23,000$432Kshares
HCI GROUP INCHCI GROUP INC200,000$376Kprincipal
LOGILITY SUPPLY CHAIN SOLUT…LOGILITY SUPPLY CHAIN SOLUTIONS26,000$371Kshares
PG&E CORPPG&E CORP8,000$358Kshares
NNNEXTNAV INC75,000$330Kshares
ORMAT TECHNOLOGIES INCORMAT TECHNOLOGIES INC300,000$310Kprincipal
ENOVIS CORPORATIONENOVIS CORPORATION300,000$307Kprincipal
ALBEMARLE CORPALBEMARLE CORP8,000$285Kshares
KRGKITE REALTY GROUP TRUST12,500$280Kshares
PAYCOR HCM INCPAYCOR HCM INC12,000$269Kshares
AIR TRANSPORT SERVICES GRP IAIR TRANSPORT SERVICES GRP I11,300$254Kshares
CRKCOMSTOCK RES INC12,000$244Kshares
FTVFORTIVE CORP3,030$222Kshares
STLASTELLANTIS N.V19,750$221Kshares
SPGSIMON PPTY GROUP INC NEW1,230$204Kshares
VRTVERTIV HOLDINGS CO2,825$204Kshares
LIONS GATE ENTMNT CORPLIONS GATE ENTMNT CORP23,842$189Kshares
IMPINJ INCIMPINJ INC100,000$114Kprincipal
PLUGPLUG PWR INC18,000$24.3Kshares
QURATE RETAIL INCQURATE RETAIL INC18,146$3.65Kshares

How Q2 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001140361-25-030814 base2025-08-13acceptance time not in the bulk data set