Filed: 2/13/2026ACC: 0001104659-26-015359
📋 What this filing means
ALTAROCK PARTNERS LP filed this quarterly 13F‑HR report disclosing 8 equity positions with a total reported market value of $5.10B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
8
Positions
$5.10B
Total AUM (reported)
12.95M
Total Shares
Allocation by class
COMM$5.10B100.0%
Portfolio Concentration
Top 3$3.98B78.1%
4–10$1.12B21.9%
Top 3 weight
78.1%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 12.95M
Sole
Full voting authority
12.95M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole8
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings8
Rows:
AMAZON.COM INC
SOLEShares7.31M
TypeSH
Market value$1.69B
33.10%
Sole
7.31M
Shared
0.00
None
0.00
TRANSDIGM GROUP INC
SOLEShares969.40K
TypeSH
Market value$1.29B
25.28%
Sole
969.40K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares2.08M
TypeSH
Market value$1.01B
19.75%
Sole
2.08M
Shared
0.00
None
0.00
MOODYS CORP
SOLEShares814.50K
TypeSH
Market value$416.09M
8.16%
Sole
814.50K
Shared
0.00
None
0.00
MASTERCARD INC-CLASS A
SOLEShares541.84K
TypeSH
Market value$309.32M
6.07%
Sole
541.84K
Shared
0.00
None
0.00
VISA INC-CLASS A SHRS
SOLEShares516.68K
TypeSH
Market value$181.20M
3.55%
Sole
516.68K
Shared
0.00
None
0.00
HILTON WORLDWIDE
SOLEShares542.61K
TypeSH
Market value$155.87M
3.06%
Sole
542.61K
Shared
0.00
None
0.00
ALPHABET INC-CL A
SOLEShares169.39K
TypeSH
Market value$53.02M
1.04%
Sole
169.39K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
AMAZON.COM INCSOLE | COMM | 7.31M | SH | $1.69B 33.10% | 7.31M | 0.00 | 0.00 |
TRANSDIGM GROUP INCSOLE | COMM | 969.40K | SH | $1.29B 25.28% | 969.40K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COMM | 2.08M | SH | $1.01B 19.75% | 2.08M | 0.00 | 0.00 |
MOODYS CORPSOLE | COMM | 814.50K | SH | $416.09M 8.16% | 814.50K | 0.00 | 0.00 |
MASTERCARD INC-CLASS ASOLE | COMM | 541.84K | SH | $309.32M 6.07% | 541.84K | 0.00 | 0.00 |
VISA INC-CLASS A SHRSSOLE | COMM | 516.68K | SH | $181.20M 3.55% | 516.68K | 0.00 | 0.00 |
HILTON WORLDWIDESOLE | COMM | 542.61K | SH | $155.87M 3.06% | 542.61K | 0.00 | 0.00 |
ALPHABET INC-CL ASOLE | COMM | 169.39K | SH | $53.02M 1.04% | 169.39K | 0.00 | 0.00 |