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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

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  • 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
Capital flow per quarter
BuysSellsNet
+$536M+$268M$0-$268M-$536M'24Q2'24Q3'24Q4'25Q1'25Q2'25Q3'25Q4
Latest · 2025Q4
-$455M
Lifetime buys
$1.60B
Lifetime sells
$2.22B

Quarter activity

What changed in 2025Q4 - net new, added, trimmed, exited.
New positions0 names
—
Added to0 names
—
Trimmed7 names
  • MSFTMICROSOFT CORP
    −486,910
    $235.5M
  • MCOMOODYS CORP
    −134,232
    $68.6M
  • AMZNAMAZON COM INC
    −243,719
    $56.3M
  • GOOGLALPHABET INC
    −175,000
    $54.8M
  • MAMASTERCARD INCORPORATED
    −42,250
    $24.1M
  • TDGTRANSDIGM GROUP INC
    −6,992
    $9.3M
  • VVISA INC
    −16,845
    $5.9M
Exited1 name
  • FICOFAIR ISAAC CORP
    −667
    $998K

Recent transactions

Last 20 moves
TRIM
M
Altarock Partners trimmed MSFT
MICROSOFT CORP
−486,910
~$483.62 · 2025Q4
2026-02-13
TRIM
G
Altarock Partners trimmed GOOGL
ALPHABET INC
−175,000
~$313.00 · 2025Q4
2026-02-13
TRIM
T
Altarock Partners trimmed TDG
TRANSDIGM GROUP INC
−6,992
~$1329.85 · 2025Q4
2026-02-13
TRIM
A
Altarock Partners trimmed AMZN
AMAZON COM INC
−243,719
~$230.82 · 2025Q4
2026-02-13
TRIM
M
Altarock Partners trimmed MCO
MOODYS CORP
−134,232
~$510.85 · 2025Q4
2026-02-13
SOLD
F
Altarock Partners exited FICO
FAIR ISAAC CORP
−667
~$1496.53 · 2025Q4
2026-02-13
TRIM
V
Altarock Partners trimmed V
VISA INC
−16,845
~$350.71 · 2025Q4
2026-02-13
TRIM
M
Altarock Partners trimmed MA
MASTERCARD INCORPORATED
−42,250
~$570.88 · 2025Q4
2026-02-13
TRIM
G
Altarock Partners trimmed GOOGL
ALPHABET INC
−701,038
~$243.10 · 2025Q3
2025-11-14
TRIM
F
Altarock Partners trimmed FICO
FAIR ISAAC CORP
−3
~$1496.53 · 2025Q3
2025-11-14
TRIM
T
Altarock Partners trimmed TDG
TRANSDIGM GROUP INC
−3,558
~$1318.02 · 2025Q3
2025-11-14
ADD
A
Altarock Partners added to AMZN
AMAZON COM INC
+1,282,347
~$219.57 · 2025Q3
2025-11-14
TRIM
V
Altarock Partners trimmed V
VISA INC
−1,890
~$341.38 · 2025Q3
2025-11-14
TRIM
M
Altarock Partners trimmed MCO
MOODYS CORP
−3,519
~$476.48 · 2025Q3
2025-11-14
TRIM
H
Altarock Partners trimmed HLT
HILTON WORLDWIDE HLDGS INC
−1,983
~$259.44 · 2025Q3
2025-11-14
TRIM
M
Altarock Partners trimmed MSFT
MICROSOFT CORP
−9,382
~$517.95 · 2025Q3
2025-11-14
TRIM
M
Altarock Partners trimmed MA
MASTERCARD INCORPORATED
−2,168
~$568.81 · 2025Q3
2025-11-14
ADD
H
Altarock Partners added to HLT
HILTON WORLDWIDE HLDGS INC
+270,639
~$266.34 · 2025Q2
2025-08-14
ADD
A
Altarock Partners added to AMZN
AMAZON COM INC
+1,073,491
~$219.39 · 2025Q2
2025-08-14
TRIM
G
Altarock Partners trimmed GOOGL
ALPHABET INC
−2,408,938
~$176.23 · 2025Q2
2025-08-14