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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 $431,015,692 across 7 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-010395

Period
2026-06-30
Reported value
$431M
Holdings
7
Top 10 weight
100%
New
0
Sold out
7

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TDGadded+17,255$23M
ARESadded+75,900$8.45M
TKOadded+32,700$6.58M
MSCIadded+8,012$4.49M

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
METAexited-198,512-$114M
KSPIexited-631,001-$46.7M
PDDexited-440,228-$45M
LRNexited-261,625-$23.1M
GOOGexited-71,690-$20.6M

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 2026

Share positions as resolved from 13F-HR 0001214659-26-010395, largest first. % of portfolio is the value over $431,015,692, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TDGTRANSDIGM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 5,636 shares; 2025Q2: 10,736 shares; 2025Q3: 22,679 shares; 2025Q4: 29,279 shares; 2026Q1: 46,084 shares; 2026Q2: 63,339 shares 63,339$84.4M19.57%+17,255Timeline
FAFIRST ADVANTAGE CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 4,228,018 shares; 2026Q2: 4,228,018 shares 4,228,018$76.3M17.71%0Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 110,725 shares; 2024Q4: 97,125 shares; 2025Q1: 280,089 shares; 2025Q2: 248,405 shares; 2025Q3: 225,423 shares; 2025Q4: 208,023 shares; 2026Q1: 248,913 shares; 2026Q2: 200,603 shares 200,603$74.8M17.36%-48,310Timeline
ARESARES MANAGEMENT CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 171,195 shares; 2024Q4: 34,595 shares; 2025Q1: not reported; 2025Q2: 128,500 shares; 2025Q3: not reported; 2025Q4: 123,100 shares; 2026Q1: 588,100 shares; 2026Q2: 664,000 shares 664,000$73.9M17.15%+75,900Timeline
TKOTKO GROUP HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 226,600 shares; 2025Q4: 298,011 shares; 2026Q1: 306,511 shares; 2026Q2: 339,211 shares 339,211$68.3M15.84%+32,700Timeline
MSCIMSCI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 47,646 shares; 2025Q3: 50,341 shares; 2025Q4: 40,941 shares; 2026Q1: 41,993 shares; 2026Q2: 50,005 shares 50,005$28M6.5%+8,012Timeline
TSMTAIWAN SEMICONDUCTOR MANUFACQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 231,100 shares; 2024Q4: 206,200 shares; 2025Q1: 222,783 shares; 2025Q2: 262,876 shares; 2025Q3: 164,676 shares; 2025Q4: 127,276 shares; 2026Q1: 62,176 shares; 2026Q2: 52,976 shares 52,976$25.3M5.87%-9,200Timeline

Sold out in Q2 2026

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

SecurityShares beforeValue beforeType
METAMETA PLATFORMS INC198,512$114Mshares
KSPIKASPI KZ JSC631,001$46.7Mshares
PDDPDD HOLDINGS INC440,228$45Mshares
LRNSTRIDE INC261,625$23.1Mshares
GOOGALPHABET INC71,690$20.6Mshares
DCBODOCEBO INC1,094,869$19.2Mshares
DOCUDOCUSIGN INC224,600$10.6Mshares

How Q2 2026 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 0001214659-26-010395 base2026-08-14acceptance time not in the bulk data set