Cat Rock Capital Management LP
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Cat Rock Capital Management LP reported 7 stock positions worth $431.0 million. Its top holding was Transdigm (TDG) at 19.6% of the portfolio, followed by First Advantage (FA, 17.7%) and Microsoft (MSFT, 17.4%). Compared with Q1 2026, it sold out of 7, added to 4 and reduced 2. The biggest buy was Transdigm (TDG, shares +37%) and the biggest sale an exit from Meta Platforms Class A (META).
- Most Recent 13F
- Q2 2026
- Location
- GREENWICH, CT
- CIK
- 0001654648
- Portfolio Value
- $431.0M (Q2 2026)
- SEC Filing
- 0001214659-26-010395 ↗ filed Aug 14, 2026
Holdings Value
Holdings 7 stocks · $431.0M
| TDG Transdigm Group Inc. | 19.57% | 63,339 | $84.4M | Add +37.4% |
| FA First Advantage Corp. | 17.71% | 4,228,018 | $76.3M | No change |
| MSFT Microsoft Corp. | 17.36% | 200,603 | $74.8M | Reduce -19.4% |
| ARES Ares Management Corp. Class A | 17.15% | 664,000 | $73.9M | Add +12.9% |
| TKO Tko Group Holdings Inc. | 15.84% | 339,211 | $68.3M | Add +10.7% |
| MSCI MSCI Inc. | 6.50% | 50,005 | $28.0M | Add +19.1% |
| TSM Taiwan Semiconductor-SP ADR | 5.87% | 52,976 | $25.3M | Reduce -14.8% |
Portfolio Sells Q1 2026 → Q2 2026
| META Meta Platforms Inc. Class A | Sold out | 0.00% | −17.65 |
| KSPI JSC Kaspi.kz ADR | Sold out | 0.00% | −7.26 |
| PDD PDD Holdings Inc. | Sold out | 0.00% | −6.99 |
| LRN Stride Inc. | Sold out | 0.00% | −3.58 |
| GOOG Alphabet Inc. Class C | Sold out | 0.00% | −3.20 |
| DCBO Docebo Inc. | Sold out | 0.00% | −2.98 |
| DOCU Docusign Inc. | Sold out | 0.00% | −1.65 |
| TSM Taiwan Semiconductor-SP ADR | Reduce -14.8% | 5.87% | +2.61 |
| MSFT Microsoft Corp. | Reduce -19.4% | 17.36% | +3.05 |
Portfolio Buys Q1 2026 → Q2 2026
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 7 | $431.0M | TDG, FA, MSFT, ARES, TKO |
| Q1 2026 | 14 | $643.6M | META, MSFT, ARES, TKO, TDG |
| Q4 2025 | 16 | $697.4M | META, MSFT, TKO, PDD, KSPI |
| Q3 2025 | 16 | $810.4M | META, MSFT, PDD, KSPI, FA |
| Q2 2025 | 15 | $793.8M | META, MSFT, KSPI, TSM, PDD |
| Q1 2025 | 15 | $753.5M | META, MSFT, KSPI, PDD, SEMR |
| Q4 2024 | 14 | $765.0M | META, KSPI, PDD, SEMR, DCBO |
| Q3 2024 | 12 | $882.6M | META, KSPI, SEMR, PDD, DCBO |
| Q2 2024 | 11 | $892.6M | META, KSPI, SEMR, GOOG, PDD |
| Q1 2024 | 12 | $873.2M | META, KSPI, SEMR, DCBO, GOOG |