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 2025Q4 — net new, added, trimmed, exited.
New positions73 names
- 8QRCONFLUENT INC+836,800$25.3M
- ALEXALEXANDER & BALDWIN INC NEW+513,400$10.6M
- WHGWESTWOOD HLDGS GROUP INC+443,800$7.6M
- GGTLGABELLI GLOBAL TECHNOLOGY LE+189,175$6.0M
- LLYVKLIBERTY LIVE HOLDINGS INC+67,759$5.6M
- TREXTREX CO INC+144,490$5.1M
- GBHIGABELLI HIGH INCOME ETF+200,500$5.1M
- KDVDKEELEY DIVIDEND ETF+200,600$5.0M
- APHAMPHENOL CORP NEW+36,366$4.9M
- QQNITY ELECTRONICS INC+58,715$4.8M
- SOLSSOLSTICE ADVANCED MATLS INC+92,069$4.5M
- RHLDRESOLUTE HLDGS MGMT INC+19,000$3.9M
- + 61 more…
Added to270 names
- OMCOMNICOM GROUP INC+211,126$17.0M
- GTLSCHART INDS INC+54,777$11.3M
- NFLXNETFLIX INC+109,795$10.3M
- GABFGABELLI FIN SRVCS OPP ETF+196,060$9.1M
- SATSECHOSTAR CORP+67,623$7.4M
- TSLATESLA INC+16,155$7.3M
- AAPADVANCE AUTO PARTS INC+178,650$7.0M
- 9HIHILLENBRAND INC+214,400$6.8M
- SGOVISHARES TR+67,238$6.7M
- GDENGOLDEN ENTMT INC+233,324$6.3M
- AINALBANY INTL CORP+121,614$6.2M
- TVGRUPO TELEVISA S A B+1,975,268$5.7M
- + 258 more…
Trimmed497 names
- MLIMUELLER INDS INC−326,668$37.5M
- MODMODINE MFG CO−157,670$21.1M
- BKBANK NEW YORK MELLON CORP−91,162$10.6M
- DANDANA INC−437,926$10.4M
- AXPAMERICAN EXPRESS CO−25,078$9.3M
- CRCRANE COMPANY−34,506$6.4M
- AJGGALLAGHER ARTHUR J & CO−24,261$6.3M
- SONYSONY GROUP CORPORATION−243,552$6.2M
- AZZAZZ INC−55,521$6.0M
- FLSFLOWSERVE CORP−85,263$5.9M
- ROLROLLINS INC−97,389$5.8M
- WBDWARNER BROS DISCOVERY INC−199,696$5.8M
- + 485 more…
Exited52 names
- IPGINTERPUBLIC GROUP COS INC−644,865$18.0M
- VRNAVERONA PHARMA PLC−163,800$17.5M
- ZIMVZIMVIE INC−788,583$14.9M
- WOWWIDEOPENWEST INC−1,335,850$6.9M
- LLYVK*LIBERTY MEDIA CORP DEL−65,153$6.3M
- AVDXAVIDXCHANGE HOLDINGS INC−439,000$4.4M
- LLYVA*LIBERTY MEDIA CORP DEL−40,832$3.9M
- S9QSPIRIT AEROSYSTEMS HLDGS INC−99,175$3.8M
- AEBAALLETE INC−51,825$3.4M
- SU6SURMODICS INC−114,600$3.4M
- AYS1SANDSTORM GOLD LTD−263,900$3.3M
- G54950LINDE PLC−4,488$2.1M
- + 40 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
