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ALTAROCK PARTNERS LP

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

ALTAROCK PARTNERS LP reported $5,469,137,744 across 9 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-25-112002

Period
2025-09-30
Reported value
$5.47B
Holdings
9
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
AMZNadded+1,282,347$282M

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
GOOGLreduced-701,038-$170M
MSFTreduced-9,382-$4.86M
TDGreduced-3,558-$4.69M
MCOreduced-3,519-$1.68M
MAreduced-2,168-$1.23M

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, Q3 2025

Share positions as resolved from 13F-HR 0001104659-25-112002, largest first. % of portfolio is the value over $5,469,137,744, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,402,320 shares; 2024Q4: 5,278,320 shares; 2025Q1: 5,202,415 shares; 2025Q2: 6,275,906 shares; 2025Q3: 7,558,253 shares 7,558,253$1.66B30.34%+1,282,347Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,934,816 shares; 2024Q4: 1,891,641 shares; 2025Q1: 2,578,649 shares; 2025Q2: 2,578,649 shares; 2025Q3: 2,569,267 shares 2,569,267$1.33B24.33%-9,382Timeline
TDGTRANSDIGM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,048,264 shares; 2024Q4: 1,000,604 shares; 2025Q1: 979,950 shares; 2025Q2: 979,950 shares; 2025Q3: 976,392 shares 976,392$1.29B23.53%-3,558Timeline
MCOMOODYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,066,619 shares; 2024Q4: 950,905 shares; 2025Q1: 950,905 shares; 2025Q2: 952,254 shares; 2025Q3: 948,735 shares 948,735$452M8.27%-3,519Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 620,033 shares; 2024Q4: 586,254 shares; 2025Q1: 586,254 shares; 2025Q2: 586,254 shares; 2025Q3: 584,086 shares 584,086$332M6.07%-2,168Timeline
VVISA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,118,383 shares; 2024Q4: 874,912 shares; 2025Q1: 850,412 shares; 2025Q2: 535,412 shares; 2025Q3: 533,522 shares 533,522$182M3.33%-1,890Timeline
HLTHILTON WORLDWIDE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 91,328 shares; 2025Q1: 273,957 shares; 2025Q2: 544,596 shares; 2025Q3: 542,613 shares 542,613$141M2.57%-1,983Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,333,905 shares; 2024Q4: 3,480,801 shares; 2025Q1: 3,454,367 shares; 2025Q2: 1,045,429 shares; 2025Q3: 344,391 shares 344,391$83.7M1.53%-701,038Timeline
FICOFAIR ISAAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 34,652 shares; 2024Q4: 670 shares; 2025Q1: 670 shares; 2025Q2: 670 shares; 2025Q3: 667 shares 667$998K0.02%-3Timeline

How Q3 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 0001104659-25-112002 base2025-11-14acceptance time not in the bulk data set