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ALTAROCK PARTNERS LP

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13F filer, CIK 1631014, WEST PALM BEACH, FL

ALTAROCK PARTNERS LP reported $4,973,323,258 across 9 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-25-048610

Period
2025-03-31
Reported value
$4.97B
Holdings
9
Top 10 weight
100%
New
0
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MSFTadded+687,008$258M
HLTadded+182,629$41.6M

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.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
TDGreduced-20,654-$28.6M
AMZNreduced-75,905-$14.4M
Vreduced-24,500-$8.59M
GOOGLreduced-26,434-$4.09M
CHTRexited-6,025-$2.07M

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 0001104659-25-048610, largest first. % of portfolio is the value over $4,973,323,258, 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; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,048,264 shares; 2024Q4: 1,000,604 shares; 2025Q1: 979,950 shares 979,950$1.36B27.26%-20,654Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,402,320 shares; 2024Q4: 5,278,320 shares; 2025Q1: 5,202,415 shares 5,202,415$990M19.9%-75,905Timeline
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: 1,934,816 shares; 2024Q4: 1,891,641 shares; 2025Q1: 2,578,649 shares 2,578,649$968M19.46%+687,008Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,333,905 shares; 2024Q4: 3,480,801 shares; 2025Q1: 3,454,367 shares 3,454,367$534M10.74%-26,434Timeline
MCOMOODYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,066,619 shares; 2024Q4: 950,905 shares; 2025Q1: 950,905 shares 950,905$443M8.9%0Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 620,033 shares; 2024Q4: 586,254 shares; 2025Q1: 586,254 shares 586,254$321M6.46%0Timeline
VVISA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,118,383 shares; 2024Q4: 874,912 shares; 2025Q1: 850,412 shares 850,412$298M5.99%-24,500Timeline
HLTHILTON WORLDWIDE 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: not reported; 2024Q4: 91,328 shares; 2025Q1: 273,957 shares 273,957$62.3M1.25%+182,629Timeline
FICOFAIR ISAAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 34,652 shares; 2024Q4: 670 shares; 2025Q1: 670 shares 670$1.24M0.02%0Timeline

Sold out in Q1 2025

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

SecurityShares beforeValue beforeType
CHTRCHARTER COMMUNICATIONS INC6,025$2.07Mshares

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 0001104659-25-048610 base2025-05-14acceptance time not in the bulk data set