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AltaRock Partners

Q4 2025 13F · by Mark Massey, founder

As of
Dec 31, 2025
Filed
Feb 13, 2026
US stock
$5.1B · prev $5.5B
Positions
8 · prev 9
Options notional
$0
Documents
1· no amendments

Picture100.0% US stock

Full picture · of what this 13F reports is US stock

  • US stock listed on a US exchange 100.0%
  • Foreign stock not listed in the US 0.0%
  • Notes debt, at principal 0.0%
  • Puts at notional value 0.0%
  • Calls at notional value 0.0%

Moves8 since the prior filing

Positions8 in this filing · 1 exited

AMZNAmazon.Com Inc33.10%7,314,534$1.7Btrimmed−3%+2.76 pp16 q
TDGTransDigm Group Incorporated25.28%969,400$1.3Btrimmed−1%+1.75 pp45 q
MSFTMicrosoft Corp19.75%2,082,357$1.0Btrimmed−19%−4.58 pp19 q
MCOMoody's Corporation8.16%814,503$416Mtrimmed−14%−0.11 pp45 q
MAMastercard Incorporated6.07%541,836$309Mtrimmed−7%0.00 pp45 q
VVISA Inc.3.55%516,677$181Mtrimmed−3%+0.22 pp45 q
HLTHilton Worldwide Holdings Inc.3.06%542,613$156Mheld—5 q
GOOGLAlphabet Inc. Class A1.04%169,391$53Mtrimmed−51%−0.49 pp25 q
FICOFair Isaac Corporation—−667—exited−0.02 pp—

Source

Form
13F-HR
Reading
0 defects · 0 unresolved
Options
none in this filing
Notes
none in this filing
SEC cross-check
SEC data set not published yet