Asset Manager · CIK 0000807249
Mario Gabelli
GAMCO
Mario Gabelli runs GAMCO, an asset manager overseeing $10.41B in disclosed equity holdings (SEC CIK 0000807249). The latest 13F filing (2025Q4) discloses 1036 positions across 11 sectors, with the largest positions in MLI, GATX and CR. On a mark-to-market basis the tracked portfolio has returned 25.4% over the past year. OpenStocks tracks 40 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.
Portfolio
$10.41B
Positions
1036
Quarter
2025Q4
Filings tracked
40
Capital flow per quarter
BuysSellsNet
Latest · 2025Q4
-$59M
Lifetime buys
$4.71B
Lifetime sells
$7.40B
Quarter activity
What changed in 2024Q2 — net new, added, trimmed, exited.
New positions57 names
- 82710MSILK RD MED INC+254,750$6.9M
- MCOMOODYS CORP+11,382$4.8M
- GEVGE VERNOVA LLC+20,612$3.5M
- IWDISHARES TR+16,500$2.9M
- XLUSELECT SECTOR SPDR TR+41,845$2.9M
- WIREEURENCORE WIRE CORP+9,750$2.8M
- 418100HASHICORP INC+83,049$2.8M
- G5784HMANCHESTER UTD PLC NEW+139,100$2.2M
- 0C3ENDEAVOR GROUP HLDGS INC+72,850$2.0M
- S9QSPIRIT AEROSYSTEMS HLDGS INC+57,200$1.9M
- LGFEURLIONS GATE ENTMNT CORP+178,000$1.7M
- HB6HIBBETT INC+15,970$1.4M
- + 45 more…
Added to227 names
- NVDANVIDIA CORPORATION+408,845$50.5M
- APAAPA CORPORATION+513,654$15.1M
- DCODUCOMMUN INC DEL+193,001$11.2M
- HXLHEXCEL CORP NEW+165,384$10.3M
- CAKECHEESECAKE FACTORY INC+200,000$7.9M
- GEGENERAL ELECTRIC CO+44,897$7.1M
- G61188LIBERTY GLOBAL LTD+363,816$6.3M
- G9001ELIBERTY LATIN AMERICA LTD+566,380$5.4M
- CMGCHIPOTLE MEXICAN GRILL INC+83,488$5.2M
- GDENGOLDEN ENTMT INC+150,096$4.7M
- BSXBOSTON SCIENTIFIC CORP+58,861$4.5M
- NPKNATIONAL PRESTO INDS INC+58,498$4.4M
- + 215 more…
Trimmed386 names
- MODMODINE MFG CO−312,852$31.3M
- MLIMUELLER INDS INC−317,648$18.1M
- GFFGRIFFON CORP−195,720$12.5M
- AXPAMERICAN EXPRESS CO−41,077$9.5M
- HRIHERC HLDGS INC−70,143$9.3M
- ROLROLLINS INC−126,650$6.2M
- RSGREPUBLIC SVCS INC−31,400$6.1M
- NPOENPRO INDS INC−41,290$6.0M
- DEDEERE & CO−14,996$5.6M
- TXTTEXTRON INC−63,717$5.5M
- SONYSONY GROUP CORPORATION−63,927$5.4M
- ADBEADOBE SYSTEMS INCORPORATED−9,106$5.1M
- + 374 more…
Exited43 names
- KAMNUSDKAMAN CORP−2,351,287$107.9M
- CPE*CALLON PETE CO DEL−525,820$18.8M
- 855668STARRETT L S CO−525,137$8.3M
- CTVACORTEVA INC−90,232$5.2M
- TASTUSDCARROLS RESTAURANT GROUP INC−442,226$4.2M
- DSKEUSDDASEKE INC−496,452$4.1M
- MSCIMSCI INC−4,618$2.6M
- MDC1USDM D C HLDGS INC−40,400$2.5M
- PXDEURPIONEER NAT RES CO−8,063$2.1M
- DOOREURMASONITE INTL CORP−9,439$1.2M
- SPUSDSP PLUS CORP−23,047$1.2M
- TECKTECK RESOURCES LTD−17,100$783K
- + 31 more…
Recent transactions
Last 20 moves
NEW
WABASH NATL CORP
+20,000
~$8.65 · 2025Q4
2026-02-05
NEW
PURECYCLE TECHNOLOGIES 7.250 08/15/30 CVT
+300,000
~$1.00 · 2025Q4
2026-02-05
NEW
ISHARES SILVER TR
+3,300
~$64.42 · 2025Q4
2026-02-05
