CAT ROCK CAPITAL MANAGEMENT LP — 13F Holdings & Portfolio
CIK 1654648 · latest 13F-HR filed 2026-08-14
CAT ROCK CAPITAL MANAGEMENT LP manages $431.0M in 13F-reported U.S. long-equity assets across 7 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are TDG (19.57%), FA (17.71%), MSFT (17.36%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 7, added to 6, and trimmed 1.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
GREENWICH, CT 06830
$431.0M
Long-equity book
7
Distinct positions
2026-06-30
Filed 2026-08-14
+0 / −7 / ↑6 / ↓1
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- TRANSDIGM GROUP INC$31.0M +58.0%
- FIRST ADVANTAGE CORP NEW$26.6M +53.5%
- ARES MANAGEMENT CORPORATION$9.7M +15.2%
- TKO GROUP HOLDINGS INC$6.5M +10.5%
- MSCI INC$5.4M +23.7%
Exited Positions
- META PLATFORMS INC$113.6M
- KASPI KZ JSC$46.7M
- PDD HOLDINGS INC$45.0M
- STRIDE INC$23.1M
- ALPHABET INC$20.6M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | TRANSDIGM GROUP INC | TDG | 893641100 | $84.4M | 19.57% | 63,339 | SH |
| 2 | FIRST ADVANTAGE CORP NEW | FA | 31846B108 | $76.3M | 17.71% | 4,228,018 | SH |
| 3 | MICROSOFT CORP | MSFT | 594918104 | $74.8M | 17.36% | 200,603 | SH |
| 4 | ARES MANAGEMENT CORPORATION | ARES | 03990B101 | $73.9M | 17.15% | 664,000 | SH |
| 5 | TKO GROUP HOLDINGS INC | TKO | 87256C101 | $68.3M | 15.84% | 339,211 | SH |
| 6 | MSCI INC | MSCI | 55354G100 | $28.0M | 6.50% | 50,005 | SH |
| 7 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $25.3M | 5.87% | 52,976 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $431.0M | 7 | 0001214659-26-010395 |
| 2026-03-31 | 2026-05-15 | $643.6M | 14 | 0001214659-26-006432 |
| 2025-12-31 | 2026-02-18 | $697.4M | 16 | 0001214659-26-002115 |
| 2025-09-30 | 2025-11-14 | $810.4M | 16 | 0001214659-25-016662 |