Skip to content
Disclosery

CAT ROCK CAPITAL MANAGEMENT LP

Follow

13F filer, CIK 1654648, GREENWICH, CT

CAT ROCK CAPITAL MANAGEMENT LP reported $643,619,395 across 14 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 88.91% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-006432

Period
2026-03-31
Reported value
$644M
Holdings
14
Top 10 weight
88.91%
New
0
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
ARESadded+465,000$50.7M
TDGadded+16,805$19.5M
MSFTadded+40,890$15.1M
FAadded+885,200$10.4M
LRNadded+65,962$5.82M

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
INTUexited-40,880-$27.1M
TSMreduced-65,100-$22M
OWLexited-1,220,586-$18.2M
METAreduced-17,000-$9.73M
GOOGreduced-3,700-$1.06M

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 2026

Share positions as resolved from 13F-HR 0001214659-26-006432, largest first. % of portfolio is the value over $643,619,395, 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; 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; 2026Q1: 198,512 shares 198,512$114M17.65%-17,000Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 248,913 shares 248,913$92.1M14.32%+40,890Timeline
ARESARES MANAGEMENT CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 588,100$64.2M9.97%+465,000Timeline
TKOTKO GROUP HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 226,600 shares; 2025Q4: 298,011 shares; 2026Q1: 306,511 shares 306,511$61.8M9.6%+8,500Timeline
TDGTRANSDIGM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 46,084$53.4M8.3%+16,805Timeline
FAFIRST ADVANTAGE CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 4,228,018 shares 4,228,018$49.7M7.73%+885,200Timeline
KSPIKASPI KZ JSCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 631,001 shares 631,001$46.7M7.26%-14,000Timeline
PDDPDD HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 440,228 shares 440,228$45M6.99%-5,000Timeline
LRNSTRIDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 261,625 shares 261,625$23.1M3.58%+65,962Timeline
MSCIMSCI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 41,993$22.6M3.52%+1,052Timeline
TSMTAIWAN SEMICONDUCTOR MANUFACQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 62,176 shares 62,176$21M3.26%-65,100Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 71,690 shares 71,690$20.6M3.2%-3,700Timeline
DCBODOCEBO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 1,094,869 shares 1,094,869$19.2M2.98%0Timeline
DOCUDOCUSIGN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 224,600 shares 224,600$10.6M1.65%-6,400Timeline

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
INTUINTUIT40,880$27.1Mshares
OWLBLUE OWL CAPITAL INC1,220,586$18.2Mshares

How Q1 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 0001214659-26-006432 base2026-05-15acceptance time not in the bulk data set