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AltaRock Partners

Q3 2021 13F · by Mark Massey, founder

As of
Sep 30, 2021
Filed
Nov 15, 2021
US stock
$3.7B · prev $3.6B
Positions
8 · prev 8
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%

Moves6 since the prior filing

The book

Very concentrated · behaves like 5 equal-sized positions

  1. Very concentrated
  2. Concentrated
  3. Focused
  4. Diversified

Moderate turnover · 26% a year, about 3.9 years per position

  1. Low
  2. Moderate
  3. High

Top 5 positions97% of US stock

  1. CHTR Charter Comm Inc Del CL A New trimmed−0.70 pp trimmed−0.7023.4%
  2. TDG TransDigm Group Incorporated added−0.17 pp added−0.1722.3%
  3. GOOGL Alphabet Inc. Class A trimmed−1.00 pp trimmed−1.0020.6%
  4. META Meta Platforms, Inc. Class A trimmed−3.79 pp trimmed−3.7917.7%
  5. MSFT Microsoft Corp added+6.91 pp added+6.9113.1%

Positions8 in this filing · 0 exited

CHTRCharter Comm Inc Del CL A New23.35%1,189,663$866Mtrimmed−1%−0.70 pp22 q
TDGTransDigm Group Incorporated22.34%1,326,182$828Madded+6%−0.17 pp28 q
GOOGLAlphabet Inc. Class A20.62%285,876$764Mtrimmed−11%−1.00 pp8 q
METAMeta Platforms, Inc. Class A17.72%1,936,038$657Mtrimmed−13%−3.79 pp4 q
MSFTMicrosoft Corp13.08%1,720,176$485Madded×2.1+6.91 pp2 q
MAMastercard Incorporated1.65%176,249$61Mheld—28 q
MCOMoody's Corporation1.18%123,310$44Mtrimmed−46%−1.11 pp28 q
VVISA Inc.0.05%8,514$2Mheld—28 q

Source

Form
13F-HR
Reading
0 defects · 0 unresolved
Accession
0001104659-21-138975
Options
none in this filing
Notes
none in this filing
SEC cross-check
SEC data set not published yet