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CAT ROCK CAPITAL MANAGEMENT LP

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13F filer, CIK 1654648, GREENWICH, CT

CAT ROCK CAPITAL MANAGEMENT LP reported $697,402,897 across 16 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-18. Its ten largest share positions make up 83.68% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-002115

Period
2025-12-31
Reported value
$697M
Holdings
16
Top 10 weight
83.68%
New
1
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
ARESnew+123,100$19.9M
TKOadded+71,411$14.9M
TDGadded+6,600$8.78M
FAadded+274,449$3.99M
OWLadded+7,840$117K

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
METAreduced-54,600-$36M
SEMRexited-4,739,654-$33.6M
TSMreduced-37,400-$11.4M
INTUreduced-13,300-$8.81M
MSFTreduced-17,400-$8.41M

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, Q4 2025

Share positions as resolved from 13F-HR 0001214659-26-002115, largest first. % of portfolio is the value over $697,402,897, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 380,091 shares; 2024Q4: 334,491 shares; 2025Q1: 325,789 shares; 2025Q2: 307,112 shares; 2025Q3: 270,112 shares; 2025Q4: 215,512 shares 215,512$142M20.4%-54,600Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 110,725 shares; 2024Q4: 97,125 shares; 2025Q1: 280,089 shares; 2025Q2: 248,405 shares; 2025Q3: 225,423 shares; 2025Q4: 208,023 shares 208,023$101M14.43%-17,400Timeline
TKOTKO GROUP HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 226,600 shares; 2025Q4: 298,011 shares 298,011$62.3M8.93%+71,411Timeline
PDDPDD HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 690,159 shares; 2024Q4: 822,714 shares; 2025Q1: 675,414 shares; 2025Q2: 453,228 shares; 2025Q3: 445,228 shares; 2025Q4: 445,228 shares 445,228$50.5M7.24%0Timeline
KSPIKASPI KZ JSCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,337,833 shares; 2024Q4: 1,024,811 shares; 2025Q1: 1,013,811 shares; 2025Q2: 828,511 shares; 2025Q3: 645,001 shares; 2025Q4: 645,001 shares 645,001$50.4M7.23%0Timeline
FAFIRST ADVANTAGE CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,832,859 shares; 2024Q4: 1,849,426 shares; 2025Q1: 2,355,826 shares; 2025Q2: 2,365,917 shares; 2025Q3: 3,068,369 shares; 2025Q4: 3,342,818 shares 3,342,818$48.6M6.96%+274,449Timeline
TDGTRANSDIGM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 5,636 shares; 2025Q2: 10,736 shares; 2025Q3: 22,679 shares; 2025Q4: 29,279 shares 29,279$38.9M5.58%+6,600Timeline
TSMTAIWAN SEMICONDUCTOR MANUFACQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 231,100 shares; 2024Q4: 206,200 shares; 2025Q1: 222,783 shares; 2025Q2: 262,876 shares; 2025Q3: 164,676 shares; 2025Q4: 127,276 shares 127,276$38.7M5.55%-37,400Timeline
INTUINTUITQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 54,180 shares; 2025Q4: 40,880 shares 40,880$27.1M3.88%-13,300Timeline
DCBODOCEBO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,956,438 shares; 2024Q4: 1,094,869 shares; 2025Q1: 1,094,869 shares; 2025Q2: 1,094,869 shares; 2025Q3: 1,094,869 shares; 2025Q4: 1,094,869 shares 1,094,869$24.3M3.49%0Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 278,106 shares; 2024Q4: 246,606 shares; 2025Q1: 85,090 shares; 2025Q2: 85,090 shares; 2025Q3: 75,390 shares; 2025Q4: 75,390 shares 75,390$23.7M3.39%0Timeline
MSCIMSCI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 47,646 shares; 2025Q3: 50,341 shares; 2025Q4: 40,941 shares 40,941$23.5M3.37%-9,400Timeline
ARESARES MANAGEMENT CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 171,195 shares; 2024Q4: 34,595 shares; 2025Q1: not reported; 2025Q2: 128,500 shares; 2025Q3: not reported; 2025Q4: 123,100 shares 123,100$19.9M2.85%newTimeline
OWLBLUE OWL CAPITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,721,395 shares; 2024Q4: 495,395 shares; 2025Q1: 1,164,446 shares; 2025Q2: 1,430,546 shares; 2025Q3: 1,212,746 shares; 2025Q4: 1,220,586 shares 1,220,586$18.2M2.61%+7,840Timeline
DOCUDOCUSIGN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 231,000 shares; 2024Q4: 231,000 shares; 2025Q1: 231,000 shares; 2025Q2: 231,000 shares; 2025Q3: 231,000 shares; 2025Q4: 231,000 shares 231,000$15.8M2.27%0Timeline
LRNSTRIDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 353,066 shares; 2025Q1: 217,253 shares; 2025Q2: 165,853 shares; 2025Q3: 203,614 shares; 2025Q4: 195,663 shares 195,663$12.7M1.82%-7,951Timeline

Sold out in Q4 2025

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

SecurityShares beforeValue beforeType
SEMRSEMRUSH HLDGS INC4,739,654$33.6Mshares

How Q4 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 0001214659-26-002115 base2026-02-18acceptance time not in the bulk data set