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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 $793,829,449 across 15 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-14. Its ten largest share positions make up 87.94% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-25-012243

Period
2025-06-30
Reported value
$794M
Holdings
15
Top 10 weight
87.94%
New
2
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MSCInew+47,646$27.5M
ARESnew+128,500$22.3M
TSMadded+40,093$9.08M
TDGadded+5,100$7.76M
OWLadded+266,100$5.11M

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
FOURexited-394,932-$32.3M
PDDreduced-222,186-$23.3M
MSFTreduced-31,684-$15.8M
KSPIreduced-185,300-$15.7M
METAreduced-18,677-$13.8M

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 0001214659-25-012243, largest first. % of portfolio is the value over $793,829,449, 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; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 380,091 shares; 2024Q4: 334,491 shares; 2025Q1: 325,789 shares; 2025Q2: 307,112 shares 307,112$227M28.55%-18,677Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 110,725 shares; 2024Q4: 97,125 shares; 2025Q1: 280,089 shares; 2025Q2: 248,405 shares 248,405$124M15.56%-31,684Timeline
KSPIKASPI KZ JSCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,337,833 shares; 2024Q4: 1,024,811 shares; 2025Q1: 1,013,811 shares; 2025Q2: 828,511 shares 828,511$70.3M8.86%-185,300Timeline
TSMTAIWAN SEMICONDUCTOR MANUFACQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 231,100 shares; 2024Q4: 206,200 shares; 2025Q1: 222,783 shares; 2025Q2: 262,876 shares 262,876$59.5M7.5%+40,093Timeline
PDDPDD HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 690,159 shares; 2024Q4: 822,714 shares; 2025Q1: 675,414 shares; 2025Q2: 453,228 shares 453,228$47.4M5.98%-222,186Timeline
SEMRSEMRUSH HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,292,881 shares; 2024Q4: 5,521,881 shares; 2025Q1: 5,186,842 shares; 2025Q2: 4,923,926 shares 4,923,926$44.6M5.61%-262,916Timeline
FAFIRST ADVANTAGE CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,832,859 shares; 2024Q4: 1,849,426 shares; 2025Q1: 2,355,826 shares; 2025Q2: 2,365,917 shares 2,365,917$39.3M4.95%+10,091Timeline
DCBODOCEBO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,956,438 shares; 2024Q4: 1,094,869 shares; 2025Q1: 1,094,869 shares; 2025Q2: 1,094,869 shares 1,094,869$31.7M4%0Timeline
OWLBLUE OWL CAPITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,721,395 shares; 2024Q4: 495,395 shares; 2025Q1: 1,164,446 shares; 2025Q2: 1,430,546 shares 1,430,546$27.5M3.46%+266,100Timeline
MSCIMSCI 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: 47,646 shares 47,646$27.5M3.46%newTimeline
LRNSTRIDE 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: 353,066 shares; 2025Q1: 217,253 shares; 2025Q2: 165,853 shares 165,853$24.1M3.03%-51,400Timeline
ARESARES MANAGEMENT CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 171,195 shares; 2024Q4: 34,595 shares; 2025Q1: not reported; 2025Q2: 128,500 shares 128,500$22.3M2.8%newTimeline
DOCUDOCUSIGN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 231,000 shares; 2024Q4: 231,000 shares; 2025Q1: 231,000 shares; 2025Q2: 231,000 shares 231,000$18M2.27%0Timeline
TDGTRANSDIGM GROUP 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: 5,636 shares; 2025Q2: 10,736 shares 10,736$16.3M2.06%+5,100Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 278,106 shares; 2024Q4: 246,606 shares; 2025Q1: 85,090 shares; 2025Q2: 85,090 shares 85,090$15.1M1.9%0Timeline

Sold out in Q2 2025

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

SecurityShares beforeValue beforeType
FOURSHIFT4 PMTS INC394,932$32.3Mshares
UBERUBER TECHNOLOGIES INC184,732$13.5Mshares

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 0001214659-25-012243 base2025-08-14acceptance time not in the bulk data set