Cat Rock Capital Management LP
Cat Rock Capital Management LP reported 7 US-listed holdings worth $431.0 million in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: TransDigm Group Inc. (19.6%), First Advantage Corp. (17.7%) and Microsoft Corp. (17.4%). Against the quarter before, it opened 0 positions, added to 4, trimmed 2 and sold out of 7.
The 7 largest of its 7 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned -8.4% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Added to 4
- TransDigm Group Inc. TDG+17,255 shares · +37%
- Ares Management Corp. ARES+75,900 shares · +13%
- TKO Group Holdings, Inc. TKO+32,700 shares · +11%
- MSCI Inc. MSCI+8,012 shares · +19%
Trimmed 2
- Microsoft Corp. MSFT-48,310 shares · -19%
- Taiwan Semiconductor Manufacturing Company Limited TSM-9,200 shares · -15%
Sold out of 7
- Meta Platforms, Inc. META$113.6 million last quarter
- Kaspi KZ JSC KSPI$46.7 million last quarter
- PDD Holdings Inc. PDD$45.0 million last quarter
- Stride, Inc. LRN$23.1 million last quarter
- Alphabet Inc. GOOG$20.6 million last quarter
- Docebo Inc. DCBO$19.2 million last quarter
- Docusign, Inc. DOCU$10.6 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| TransDigm Group Inc. TDG | 63.3K | $84.4 million | 19.57% | +17.3K |
| First Advantage Corp. FA | 4.2M | $76.3 million | 17.71% | no change |
| Microsoft Corp. MSFT | 200.6K | $74.8 million | 17.36% | -48.3K |
| Ares Management Corp. ARES | 664.0K | $73.9 million | 17.15% | +75.9K |
| TKO Group Holdings, Inc. TKO | 339.2K | $68.3 million | 15.84% | +32.7K |
| MSCI Inc. MSCI | 50.0K | $28.0 million | 6.50% | +8.0K |
| Taiwan Semiconductor Manufacturing Company Limited TSM | 53.0K | $25.3 million | 5.87% | -9.2K |