Altarock Partners LP
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 21, 2024), Altarock Partners LP reported 8 stock positions worth $4.7 billion. Its top holding was Transdigm (TDG) at 30.6% of the portfolio, followed by Amazon.com (AMZN, 16.3%) and Microsoft (MSFT, 15.9%). Compared with Q4 2023, it reduced 8. The biggest sale was Charter Communications Class A (CHTR, shares −12%).
- Most Recent 13F
- Q2 2026
- Location
- WEST PALM BEACH, FL
- CIK
- 0001631014
- Portfolio Value
- $4.7B (Q1 2024)
- SEC Filing
- 0001104659-24-063732 ↗ filed May 21, 2024
Holdings Value
Holdings 8 stocks · $4.7B
| TDG Transdigm Group Inc. | 30.61% | 1,156,398 | $1.4B | Reduce -6.6% |
| AMZN Amazon.com Inc. | 16.30% | 4,204,460 | $758.4M | Reduce -5.2% |
| MSFT Microsoft Corp. | 15.86% | 1,754,186 | $738.0M | Reduce -11.9% |
| GOOGL Alphabet Inc. Class A | 13.90% | 4,285,110 | $646.8M | Reduce -11.8% |
| V Visa Inc. Class A | 10.67% | 1,778,383 | $496.3M | Reduce -2.7% |
| MCO Moody's Corp. | 6.76% | 800,135 | $314.5M | Reduce -1.3% |
| CHTR Charter Communications Inc. Class A | 3.15% | 504,868 | $146.7M | Reduce -12.0% |
| MA Mastercard Inc. Class A | 2.76% | 267,033 | $128.6M | Reduce -0.7% |
Portfolio Sells Q4 2023 → Q1 2024
| CHTR Charter Communications Inc. Class A | Reduce -12.0% | 3.15% | −1.82 |
| GOOGL Alphabet Inc. Class A | Reduce -11.8% | 13.90% | −1.24 |
| MSFT Microsoft Corp. | Reduce -11.9% | 15.86% | −0.84 |
| MCO Moody's Corp. | Reduce -1.3% | 6.76% | −0.30 |
| V Visa Inc. Class A | Reduce -2.7% | 10.67% | +0.05 |
| MA Mastercard Inc. Class A | Reduce -0.7% | 2.76% | +0.20 |
| AMZN Amazon.com Inc. | Reduce -5.2% | 16.30% | +1.27 |
| TDG Transdigm Group Inc. | Reduce -6.6% | 30.61% | +2.68 |
Portfolio Buys Q4 2023 → Q1 2024
| None this quarter. | |||
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 8 | $4.2B | AMZN, TDG, MSFT, MA, V |
| Q1 2026 | 8 | $4.1B | AMZN, TDG, MSFT, MCO, MA |
| Q4 2025 | 8 | $5.1B | AMZN, TDG, MSFT, MCO, MA |
| Q3 2025 | 9 | $5.5B | AMZN, MSFT, TDG, MCO, MA |
| Q2 2025 | 9 | $5.5B | TDG, AMZN, MSFT, MCO, MA |
| Q1 2025 | 9 | $5.0B | TDG, AMZN, MSFT, GOOGL, MCO |
| Q4 2024 | 10 | $4.9B | TDG, AMZN, MSFT, GOOGL, MCO |
| Q3 2024 | 9 | $5.1B | TDG, AMZN, MSFT, GOOGL, MCO |
| Q2 2024 | 9 | $4.9B | TDG, MSFT, AMZN, GOOGL, V |
| Q1 2024Amended | 8 | $4.7B | TDG, AMZN, MSFT, GOOGL, V |