Manager activity
ALTAROCK PARTNERS LP
This quarter’s activity: 2026 Q1 vs 2025 Q4 · filed 5/15/2026 · Full comparison · All filings
Add · 2
Reduce · 6
| Action | Issuer | Δ Shares | Δ Shares % | Δ Port % | Filed |
|---|---|---|---|---|---|
| Reduce | MICROSOFT CORP | -214,820 | -10.3% | -2.99 pp | 5/15/2026 |
| Reduce | TRANSDIGM GROUP INC | -60,232 | -6.2% | +0.26 pp | 5/15/2026 |
| Reduce | HILTON WORLDWIDE | -527,272 | -97.2% | -2.94 pp | 5/15/2026 |
| Add | AMAZON.COM INC | +253,412 | +3.5% | +5.09 pp | 5/15/2026 |
| Reduce | MASTERCARD INC-CLASS A | -19,000 | -3.5% | +0.27 pp | 5/15/2026 |
| Reduce | ALPHABET INC-CL A | -126,000 | -74.4% | -0.74 pp | 5/15/2026 |
| Add | MOODYS CORP | +47,533 | +5.8% | +0.96 pp | 5/15/2026 |
| Reduce | VISA INC-CLASS A SHRS | -18,000 | -3.5% | +0.10 pp | 5/15/2026 |