AltaRock Partners
AltaRock Partners
Latest 13F filing
Q4 2025
filed Feb 13, 2026
Portfolio value
$5.10B
Positions
8
Top 10 concentration
100.0%
QoQ change
-6.7%
$-369.07M
Activity vs. Q3 2025
0
New positions
0
Added to
1
Unchanged
7
Reduced
2
Exited
Portfolio composition — Q4 2025
- AMZNAMAZON.COM INC33.1%
- TDGTRANSDIGM GROUP INC25.3%
- MSFTMICROSOFT CORP19.7%
- MCOMOODYS CORP8.2%
- MAMASTERCARD INC-CLASS A6.1%
- VVISA INC-CLASS A SHRS3.6%
- HLTHILTON WORLDWIDE3.1%
- GOOGLALPHABET INC-CL A1.0%
Top buys
New & added positions, by size
No new or added positions this quarter.
Holdings as of Q4 2025
| # | Ticker | Issuer | Shares | Value | % Portfolio | Reported price | Action | Δ Shares |
|---|---|---|---|---|---|---|---|---|
| 1 | AMZN | AMAZON.COM INC | 7,314,534 | $1.69B | 33.10% | $230.82 | REDUCE | -3.2% |
| 2 | TDG | TRANSDIGM GROUP INC | 969,400 | $1.29B | 25.28% | $1329.85 | REDUCE | -0.7% |
| 3 | MSFT | MICROSOFT CORP | 2,082,357 | $1.01B | 19.75% | $483.62 | REDUCE | -19.0% |
| 4 | MCO | MOODYS CORP | 814,503 | $416.09M | 8.16% | $510.85 | REDUCE | -14.1% |
| 5 | MA | MASTERCARD INC-CLASS A | 541,836 | $309.32M | 6.07% | $570.88 | REDUCE | -7.2% |
| 6 | V | VISA INC-CLASS A SHRS | 516,677 | $181.20M | 3.55% | $350.71 | REDUCE | -3.2% |
| 7 | HLT | HILTON WORLDWIDE | 542,613 | $155.87M | 3.06% | $287.25 | — | 0% |
| 8 | GOOGL | ALPHABET INC-CL A | 169,391 | $53.02M | 1.04% | $313.00 | REDUCE | -50.8% |
Positions exited in Q4 2025
Source: SEC EDGAR 13F-HR filing Feb 13, 2026. Reported prices are derived from the filing's value-to-shares ratio (effectively the quarter-end mark). Filings are published with a 45-day delay. CIK 0001631014.