AltaRock Partners

Q3 2020 13F · by Mark Massey, founder

As of: Sep 30, 2020
Filed: Nov 13, 2020
US stock: $2.1B · prev $2.0B
Positions: 6 · prev 6
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%

Moves5 since the prior filing

−0.8 pp in · +0.8 pp out

New 0 0.00 pp
Added 2 −0.81 pp
Trimmed 3 +0.82 pp
Exited 0 0.00 pp

The book

Very concentrated · behaves like 4 equal-sized positions

Very concentrated
Concentrated
Focused
Diversified

Low turnover · 3.1% a year, more than 30 years per position

Low
Moderate
High

Top 5 positions100% of US stock

CHTR Charter Comm Inc Del CL A New trimmed+2.16 pp trimmed+2.1632.3%
TDG TransDigm Group Incorporated added+0.43 pp added+0.4327.4%
GOOGL Alphabet Inc. Class A added−1.24 pp added−1.2424.9%
MCO Moody's Corporation trimmed−1.27 pp trimmed−1.279.1%
MA Mastercard Incorporated trimmed−0.07 pp trimmed−0.076.2%

Positions6 in this filing · 0 exited


CHTRCharter Comm Inc Del CL A New	32.26%	1,095,411	$684M	trimmed−5%	+2.16 pp	18 q
TDGTransDigm Group Incorporated	27.45%	1,224,961	$582M	added+3%	+0.43 pp	24 q
GOOGLAlphabet Inc. Class A	24.95%	360,885	$529M	added0%	−1.24 pp	4 q
MCOMoody's Corporation	9.09%	664,855	$193M	trimmed−10%	−1.27 pp	24 q
MAMastercard Incorporated	6.17%	386,940	$131M	trimmed−6%	−0.07 pp	24 q
VVISA Inc.	0.08%	8,516	$2M	held	—	24 q

Source

Form: 13F-HR
Reading: 0 defects · 0 unresolved
Accession: 0001104659-20-125016
Options: none in this filing
Notes: none in this filing
SEC cross-check: SEC data set not published yet