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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 $753,514,276 across 15 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15. Its ten largest share positions make up 89.82% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-25-007848

Period
2025-03-31
Reported value
$754M
Holdings
15
Top 10 weight
89.82%
New
2
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MSFTadded+182,964$68.7M
UBERnew+184,732$13.5M
OWLadded+669,051$13.4M
TDGnew+5,636$7.8M
FAadded+506,400$7.14M

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
GOOGreduced-161,516-$25.2M
PDDreduced-147,300-$17.4M
LRNreduced-135,813-$17.2M
ARESexited-34,595-$6.12M
METAreduced-8,702-$5.02M

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, Q1 2025

Share positions as resolved from 13F-HR 0001214659-25-007848, largest first. % of portfolio is the value over $753,514,276, 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; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 380,091 shares; 2024Q4: 334,491 shares; 2025Q1: 325,789 shares 325,789$188M24.92%-8,702Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 110,725 shares; 2024Q4: 97,125 shares; 2025Q1: 280,089 shares 280,089$105M13.95%+182,964Timeline
KSPIKASPI KZ JSCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,337,833 shares; 2024Q4: 1,024,811 shares; 2025Q1: 1,013,811 shares 1,013,811$94.1M12.49%-11,000Timeline
PDDPDD HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 690,159 shares; 2024Q4: 822,714 shares; 2025Q1: 675,414 shares 675,414$79.9M10.61%-147,300Timeline
SEMRSEMRUSH HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,292,881 shares; 2024Q4: 5,521,881 shares; 2025Q1: 5,186,842 shares 5,186,842$48.4M6.42%-335,039Timeline
TSMTAIWAN SEMICONDUCTOR MANUFACQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 231,100 shares; 2024Q4: 206,200 shares; 2025Q1: 222,783 shares 222,783$37M4.91%+16,583Timeline
FAFIRST ADVANTAGE CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,832,859 shares; 2024Q4: 1,849,426 shares; 2025Q1: 2,355,826 shares 2,355,826$33.2M4.41%+506,400Timeline
FOURSHIFT4 PMTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 377,930 shares; 2025Q1: 394,932 shares 394,932$32.3M4.28%+17,002Timeline
DCBODOCEBO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,956,438 shares; 2024Q4: 1,094,869 shares; 2025Q1: 1,094,869 shares 1,094,869$31.5M4.18%0Timeline
LRNSTRIDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 353,066 shares; 2025Q1: 217,253 shares 217,253$27.5M3.65%-135,813Timeline
OWLBLUE OWL CAPITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,721,395 shares; 2024Q4: 495,395 shares; 2025Q1: 1,164,446 shares 1,164,446$23.3M3.1%+669,051Timeline
DOCUDOCUSIGN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 231,000 shares; 2024Q4: 231,000 shares; 2025Q1: 231,000 shares 231,000$18.8M2.5%0Timeline
UBERUBER TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 184,732 shares 184,732$13.5M1.79%newTimeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 278,106 shares; 2024Q4: 246,606 shares; 2025Q1: 85,090 shares 85,090$13.3M1.76%-161,516Timeline
TDGTRANSDIGM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 5,636 shares 5,636$7.8M1.03%newTimeline

Sold out in Q1 2025

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

SecurityShares beforeValue beforeType
ARESARES MANAGEMENT CORPORATION34,595$6.12Mshares

How Q1 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 0001214659-25-007848 base2025-05-15acceptance time not in the bulk data set