Featured 13F manager
Altarock Partners LP
West Palm Beach, FL 21 processed 13Fs on this site · 2021 Q3–2026 Q2
- $4.2B
- 8 Positions
- 2026 Q2
- +2.8% QoQ
- Top 5 96.3%
Portfolio
top 5 96.3% · top 10 100.0%
- AMZN - Amazon 32.2%
- TDG - Transdigm Group 27.5%
- MSFT - Microsoft 20.5%
- MA - Mastercard - · CLASS A 9.3%
- V - Visa - Shrs · CLASS A 6.8%
- MCO - Moodys 3.2%
- GOOGL - Alphabet · CL A 0.4%
- HLT - Hilton 0.1%
AUM over time
Book
| TDG - Transdigm Group | 27.26% | Reduce −2.1% | 979,950 | $1,383 | $1.4B | −20,654 | +$88M |
| AMZN - Amazon | 19.90% | Reduce −1.4% | 5,202,415 | $190.26 | $990M | −75,905 | −$168M |
| MSFT - Microsoft | 19.46% | Add +36.3% | 2,578,649 | $375.39 | $968M | +687,008 | +$171M |
| GOOGL - Alphabet · CL A | 10.74% | Reduce −0.8% | 3,454,367 | $154.64 | $534M | −26,434 | −$125M |
| MCO - Moodys | 8.90% | Hold | 950,905 | $465.69 | $443M | — | — |
| MA - Mastercard - · CLASS A | 6.46% | Hold | 586,254 | $548.12 | $321M | — | — |
| V - Visa - Shrs · CLASS A | 5.99% | Reduce −2.8% | 850,412 | $350.46 | $298M | −24,500 | +$22M |
| HLT - Hilton | 1.25% | Add +200.0% | 273,957 | $227.55 | $62M | +182,629 | +$40M |
| FICO - Fair Isaac | 0.02% | Hold | 670 | $1,844 | $1M | — | — |
Exits / last held
not current holdings · last reported size, unchanged · gone vs 2024 Q4
| Stock | % of portfolio | Recent activity | Shares | Reported price* | Value | Share change | $ change |
|---|---|---|---|---|---|---|---|
| CHTR - Charter Communications | 0.04% | Exit | 0 | $342.74 | $2M | −6,025 | −$2M |
Filings history
20 periods · normalized AUM · open a period for holdings
| Period | Holdings | AUM | QoQ | Form | Filed | Filing ID |
|---|---|---|---|---|---|---|
| 2026 Q2 | 8 | $4.2B | +2.8% | 13F-HR | 8/17/2026 | 000110465926097527 |
| 2026 Q1 | 8 | $4.1B | −19.1% | 13F-HR | 5/15/2026 | 000110465926062170 |
| 2025 Q4 | 8 | $5.1B | −6.7% | 13F-HR | 2/13/2026 | 000110465926015359 |
| 2025 Q3 | 9 | $5.5B | −0.1% | 13F-HR | 11/14/2025 | 000110465925112002 |
| 2025 Q2 | 9 | $5.5B | +10.1% | 13F-HR | 8/14/2025 | 000110465925078208 |
| 2025 Q1 | 9 | $5B | +0.6% | 13F-HR | 5/14/2025 | 000110465925048610 |
| 2024 Q4 | 10 | $4.9B | −2.6% | 13F-HR | 2/14/2025 | 000110465925014306 |
| 2024 Q3 | 9 | $5.1B | +4.5% | 13F-HR | 11/13/2024 | 000110465924117526 |
| 2024 Q2 | 9 | $4.9B | +4.4% | 13F-HR | 8/14/2024 | 000110465924089560 |
| 2024 Q1 | 8 | $4.7B | +3.8% | RESTATEMENT | 5/21/2024 | 000110465924063732 |
| 2024 Q1 | 8 | $4.7B | — | 13F-HR | 5/15/2024 | 000110465924061859 |
| 2023 Q4 | 8 | $4.5B | +12.3% | 13F-HR | 2/15/2024 | 000110465924024107 |
| 2023 Q3 | 8 | $4B | −4.1% | 13F-HR | 11/14/2023 | 000110465923117428 |
| 2023 Q2 | 8 | $4.2B | +14.1% | 13F-HR | 8/14/2023 | 000110465923091497 |
| 2023 Q1 | 8 | $3.7B | +14.7% | 13F-HR | 5/16/2023 | 000110465923061059 |
| 2022 Q4 | 8 | $3.2B | +4.2% | 13F-HR | 2/13/2023 | 000110465923019687 |
| 2022 Q3 | 8 | $3.1B | −5.7% | 13F-HR | 11/14/2022 | 000110465922118063 |
| 2022 Q2 | 8 | $3.2B | −17.4% | 13F-HR | 8/12/2022 | 000110465922090086 |
| 2022 Q1 | 9 | $3.9B | +3.4% | 13F-HR | 5/13/2022 | 000110465922060139 |
| 2021 Q4 | 8 | $3.8B | +2.3% | 13F-HR | 2/14/2022 | 000110465922022401 |
| 2021 Q3 | 8 | $3.7B | — | 13F-HR | 11/15/2021 | 000110465921138975 |
About
ALTAROCK PARTNERS LP
21 processed 13Fs on this site · 2021 Q3–2026 Q2