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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  3. Altarock Partners
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Altarock Partners

Share
  • Hedge Fund · CIK 0001631014
  • Consumer-Focused
  • Highly Concentrated
  • Mid-Size Fund

Altarock Partners, a hedge fund overseeing $5.10B in disclosed equity holdings (SEC CIK 0001631014). The latest portfolio (2025Q4) discloses 8 positions across 5 sectors, with the largest positions in AMZN, TDG and MSFT. On a mark-to-market basis the tracked portfolio has returned 24.0% since 2024Q1. OpenStocks tracks 8 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Altarock's filingsView holdings↓
Portfolio
$5.10B
Positions
8
Quarter
2025Q4
Filings tracked
8
Since filing+24.0%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q1

Holdings

Sorted by value · 2025Q4
8 positions
1
A
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
33.10%
of portfolio
Number of shares
7,314,534 sh
Holdings current value
$1.69B
Avg closing price
$193.53
+31.8%
Last action
Trimmed 3.2%
2025Q4
Current $255.08
2
T
TDGTRANSDIGM GROUP INC
Industrials·Aerospace & Defense
25.28%
of portfolio
Number of shares
969,400 sh
Holdings current value
$1.29B
Avg closing price
$1232
-5.3%
Last action
Trimmed 0.7%
2025Q4
Current $1166
3
M
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
19.75%
of portfolio
Number of shares
2,082,357 sh
Holdings current value
$1.01B
Avg closing price
$410.44
+1.3%
Last action
Trimmed 19.0%
2025Q4
Current $415.75
4
M
MCOMOODYS CORP
Financial Services·Financial Data & Stock Exchanges
8.16%
of portfolio
Number of shares
814,503 sh
Holdings current value
$416.09M
Avg closing price
$400.54
+12.9%
Last action
Trimmed 14.1%
2025Q4
Current $452.35
5
M
MAMASTERCARD INCORPORATED
Financial Services·Credit Services
6.07%
of portfolio
Number of shares
541,836 sh
Holdings current value
$309.32M
Avg closing price
$488.53
+2.8%
Last action
Trimmed 7.2%
2025Q4
Current $502.38
6
V
VVISA INC
Financial Services·Credit Services
3.55%
of portfolio
Number of shares
516,677 sh
Holdings current value
$181.20M
Avg closing price
$279.08
+10.7%
Last action
Trimmed 3.2%
2025Q4
Current $308.88
7
H
HLTHILTON WORLDWIDE HLDGS INC
Consumer Cyclical·Lodging
3.06%
of portfolio
Number of shares
542,613 sh
Holdings current value
$155.87M
Avg closing price
$250.12
+33.7%
Last action
Trimmed 0.4%
2025Q3
Current $334.28
8
G
GOOGLALPHABET INC
Communication Services·Internet Content & Information
1.04%
of portfolio
Number of shares
169,391 sh
Holdings current value
$53.02M
Avg closing price
$152.55
+122.2%
Last action
Trimmed 50.8%
2025Q4
Current $338.89

Portfolio heatmap

Box size = % of portfolio · color = return since filing
AMZN
33.10% · +10.5%
TDG
25.28% · -12.3%
MSFT
19.75% · -14.0%
MCO
8.16% · -11.5%
MA
6.07% · -12.0%
V
3.55% · -11.9%
HLT
3.06% · +16.4%
GOOGL
1.04% · +8.3%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Consumer Cyclical2 pos$1.84B36.2%
  • Industrials1 pos$1.29B25.3%
  • Technology1 pos$1.01B19.7%
  • Financial Services3 pos$906.6M17.8%
  • Communication Services1 pos$53.0M1.0%