CAT Rock Capital Management portfolio
Concentrated managerInvestment firmPortfolio as of Jun 30, 2026 (Q2 2026) · filed with the SEC on Aug 14, 2026 · data updated on Nov 5, 2026 · Q2 2026 13F (filing) ↗ · all its 13F filings ↗
A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.
CAT Rock Capital Management reported a $431M portfolio of 7 positions to the SEC as of the end of Q2 2026. Its largest positions are TDG, FA, MSFT. During the quarter it exited Meta Platforms and Joint Stock Company Kaspi.kz.
Sections with a free account
What changed this quarter
13 positions with a change (4 added to, 2 trimmed, 7 sold). 12 are listed here: those of 0.5 points of the portfolio or more (up to 12).
- Meta Platforms−17.6 ppof portfolioSold out17.6% → —
- Joint Stock Company Kaspi.kz−7.3 ppof portfolioSold out7.3% → —
- PDD Holdings−7.0 ppof portfolioSold out7.0% → —
- Stride−3.6 ppof portfolioSold out3.6% → —
- TransDigm Group+37%more sharesIncreased8.3% → 19.6%
- Alphabet−3.2 ppof portfolioSold out3.2% → —
- Docebo−3.0 ppof portfolioSold out3.0% → —
- Microsoft−19%fewer sharesReduced14.3% → 17.4%
- Docusign−1.7 ppof portfolioSold out1.7% → —
- Ares Management+13%more sharesIncreased10.0% → 17.1%
- TKO Group Holdings+11%more sharesIncreased9.6% → 15.8%
- Msci+19%more sharesIncreased3.5% → 6.5%
The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight: what it bought or sold, excluding price effects.
Top holdings
- TransDigm GroupTDG19.6%
- First AdvantageFA17.7%
- MicrosoftMSFT17.4%
- ARES ManagementARES17.1%
- TKO Group HoldingsTKO15.8%
- MSCIMSCI6.5%
- Taiwan Semiconductor ManufacturingTSM5.9%
“Since”: first quarter of the current run, unbroken until today. In the details, prices are the quarter-end prices of the quarters in which it added shares, per the 13F. The manager may have bought at any price within each quarter; the SEC only publishes the value at quarter end.
Portfolio by sector
- ● Industrials 37%
- ● Financials 24%
- ● Information Technology 23%
- ● Communication Services 16%
How its portfolio changed (8 quarters)
Q2 2026: 7
Q2 2026: 100%
Q2 2026: 26.7%
Traded turnover: the weight it bought plus the weight it sold in the quarter, divided by two, excluding price moves. The plain “turnover” in the header does include that effect. With a free account: the full history and sectors over time.
Stakes above 5% (13D/13G)
Companies where this filer reported holding 5% or more of the shares. It is the figure from its latest filing on each one; history since December 2024.
How we classify it
Investment firm, per its Form ADV of Mar 18, 2026 (high confidence).
The data, as reported: CAT ROCK CAPITAL MANAGEMENT LP (CRD 268817): 7.B private funds: 2 hedge (gross assets $968M); 5.D assets by client type: pooled vehicles 100% (of $968M)
The type comes from a rule applied to that data. If it looks wrong, tell us.
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