John Osterweis - AltaRock Partners
| History | Stock | Activity ▼ | Share change | % change to portfolio |
|---|---|---|---|---|
| Q1 2026 | ||||
| ☰ | V - Visa Inc. | Reduce 3.48% | 18,000 | 0.12 |
| ☰ | MA - Mastercard Inc. | Reduce 3.51% | 19,000 | 0.21 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 6.21% | 60,232 | 1.57 |
| ☰ | MSFT - Microsoft Corp. | Reduce 10.32% | 214,820 | 2.04 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 74.38% | 126,000 | 0.77 |
| ☰ | HLT - Hilton Worldwide Holdings | Reduce 97.17% | 527,272 | 2.97 |
| Q4 2025 | ||||
| ☰ | TDG - TransDigm Group Inc. | Reduce 0.72% | 6,992 | 0.17 |
| ☰ | V - Visa Inc. | Reduce 3.16% | 16,845 | 0.11 |
| ☰ | AMZN - Amazon.com Inc. | Reduce 3.22% | 243,719 | 0.98 |
| ☰ | MA - Mastercard Inc. | Reduce 7.23% | 42,250 | 0.44 |
| ☰ | MCO - Moody's Corp. | Reduce 14.15% | 134,232 | 1.17 |
| ☰ | MSFT - Microsoft Corp. | Reduce 18.95% | 486,910 | 4.61 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 50.81% | 175,000 | 0.78 |
| ☰ | FICO - Fair Isaac Corp. | Sell 100.00% | 667 | 0.02 |
| Q3 2025 | ||||
| ☰ | V - Visa Inc. | Reduce 0.35% | 1,890 | 0.01 |
| ☰ | HLT - Hilton Worldwide Holdings | Reduce 0.36% | 1,983 | 0.01 |
| ☰ | MSFT - Microsoft Corp. | Reduce 0.36% | 9,382 | 0.09 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 0.36% | 3,558 | 0.10 |
| ☰ | MA - Mastercard Inc. | Reduce 0.37% | 2,168 | 0.02 |
| ☰ | MCO - Moody's Corp. | Reduce 0.37% | 3,519 | 0.03 |
| ☰ | FICO - Fair Isaac Corp. | Reduce 0.45% | 3 | 0.00 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 67.06% | 701,038 | 2.25 |
| Q2 2025 | ||||
| ☰ | V - Visa Inc. | Reduce 37.04% | 315,000 | 2.22 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 69.74% | 2,408,938 | 7.49 |
| Q1 2025 | ||||
| ☰ | GOOGL - Alphabet Inc. | Reduce 0.76% | 26,434 | 0.10 |
| ☰ | AMZN - Amazon.com Inc. | Reduce 1.44% | 75,905 | 0.34 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 2.06% | 20,654 | 0.53 |
| ☰ | V - Visa Inc. | Reduce 2.80% | 24,500 | 0.16 |
| ☰ | CHTR - Charter Communications | Sell 100.00% | 6,025 | 0.04 |
| Q4 2024 | ||||
| ☰ | MSFT - Microsoft Corp. | Reduce 2.23% | 43,175 | 0.37 |
| ☰ | AMZN - Amazon.com Inc. | Reduce 2.30% | 124,000 | 0.46 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 4.55% | 47,660 | 1.34 |
| ☰ | MA - Mastercard Inc. | Reduce 5.45% | 33,779 | 0.33 |
| ☰ | MCO - Moody's Corp. | Reduce 10.85% | 115,714 | 1.08 |
| ☰ | V - Visa Inc. | Reduce 21.77% | 243,471 | 1.32 |
| ☰ | FICO - Fair Isaac Corp. | Reduce 98.07% | 33,982 | 1.30 |
| Q3 2024 | ||||
| ☰ | MCO - Moody's Corp. | Reduce 1.88% | 20,461 | 0.18 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 2.33% | 25,000 | 0.66 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 16.70% | 668,205 | 2.50 |
| ☰ | V - Visa Inc. | Reduce 37.11% | 660,000 | 3.57 |
| Q2 2024 | ||||
| ☰ | AMZN - Amazon.com Inc. | Reduce 1.78% | 75,000 | 0.29 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 6.60% | 283,000 | 0.92 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 7.19% | 83,134 | 2.20 |
| ☰ | CHTR - Charter Communications | Reduce 98.81% | 498,843 | 3.11 |
| Q1 2024 | ||||
| ☰ | MA - Mastercard Inc. | Reduce 0.73% | 1,961 | 0.02 |
| ☰ | MCO - Moody's Corp. | Reduce 1.30% | 10,500 | 0.09 |
| ☰ | V - Visa Inc. | Reduce 2.67% | 48,770 | 0.28 |
| ☰ | AMZN - Amazon.com Inc. | Reduce 5.19% | 230,174 | 0.78 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 6.56% | 81,224 | 1.83 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 11.83% | 574,720 | 1.79 |
| ☰ | MSFT - Microsoft Corp. | Reduce 11.88% | 236,528 | 1.98 |
| ☰ | CHTR - Charter Communications | Reduce 12.01% | 68,892 | 0.60 |
| Q4 2023 | ||||
| ☰ | AMZN - Amazon.com Inc. | Reduce 3.60% | 165,600 | 0.53 |
| ☰ | MA - Mastercard Inc. | Reduce 4.09% | 11,457 | 0.11 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 5.53% | 72,464 | 1.53 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 7.59% | 399,392 | 1.31 |
| ☰ | MSFT - Microsoft Corp. | Reduce 9.98% | 220,798 | 1.75 |
| ☰ | V - Visa Inc. | Reduce 12.07% | 250,867 | 1.45 |
| Q3 2023 | ||||
| ☰ | MSFT - Microsoft Corp. | Reduce 2.66% | 60,529 | 0.49 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 3.49% | 47,405 | 1.02 |
| ☰ | MA - Mastercard Inc. | Reduce 4.77% | 14,059 | 0.13 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 8.32% | 477,378 | 1.37 |
| ☰ | AMZN - Amazon.com Inc. | Reduce 9.92% | 506,547 | 1.59 |
| Q2 2023 | ||||
| ☰ | TDG - TransDigm Group Inc. | Reduce 1.85% | 25,633 | 0.52 |
| ☰ | MSFT - Microsoft Corp. | Reduce 2.57% | 59,888 | 0.47 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 8.69% | 545,817 | 1.55 |
| ☰ | AMZN - Amazon.com Inc. | Reduce 12.93% | 758,170 | 2.14 |
| Q1 2023 | ||||
| ☰ | V - Visa Inc. | Reduce 1.55% | 26,000 | 0.17 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 1.89% | 26,600 | 0.53 |
| ☰ | MA - Mastercard Inc. | Reduce 2.16% | 6,500 | 0.07 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 2.30% | 148,000 | 0.41 |
| ☰ | MSFT - Microsoft Corp. | Reduce 8.91% | 228,200 | 1.72 |
| Q4 2022 | ||||
| ☰ | CHTR - Charter Communications | Reduce 3.17% | 10,940 | 0.11 |
| ☰ | V - Visa Inc. | Reduce 3.46% | 59,981 | 0.35 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 6.17% | 92,655 | 1.59 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 8.18% | 573,183 | 1.79 |
| ☰ | MA - Mastercard Inc. | Reduce 8.27% | 27,153 | 0.25 |
| ☰ | MSFT - Microsoft Corp. | Reduce 9.17% | 258,380 | 1.97 |
| Q3 2022 | ||||
| ☰ | CHTR - Charter Communications | Reduce 40.71% | 237,146 | 3.43 |
| Q2 2022 | ||||
| ☰ | MA - Mastercard Inc. | Reduce 1.11% | 2,800 | 0.03 |
| ☰ | CHTR - Charter Communications | Reduce 9.05% | 57,997 | 0.81 |
| ☰ | META - Meta Platforms Inc. | Sell 100.00% | 108,039 | 0.61 |
| Q1 2022 | ||||
| ☰ | CHTR - Charter Communications | Reduce 52.53% | 708,929 | 12.18 |
| ☰ | META - Meta Platforms Inc. | Reduce 79.58% | 421,150 | 3.73 |
| Q4 2021 | ||||
| ☰ | META - Meta Platforms Inc. | Reduce 72.67% | 1,406,849 | 12.88 |
| Q3 2021 | ||||
| ☰ | CHTR - Charter Communications | Reduce 1.23% | 14,850 | 0.30 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 10.64% | 34,040 | 2.30 |
| ☰ | META - Meta Platforms Inc. | Reduce 13.38% | 299,144 | 2.88 |
| ☰ | MCO - Moody's Corp. | Reduce 46.07% | 105,358 | 1.06 |
| Q1 2021 | ||||
| ☰ | TDG - TransDigm Group Inc. | Reduce 7.11% | 72,962 | 1.89 |
| Q4 2020 | ||||
| ☰ | V - Visa Inc. | Reduce 0.02% | 2 | 0.00 |
| ☰ | GOOGL - Alphabet Inc. | Reduce 11.35% | 40,969 | 2.83 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 16.28% | 199,436 | 4.47 |
| ☰ | CHTR - Charter Communications | Reduce 18.32% | 200,723 | 5.91 |
| ☰ | MA - Mastercard Inc. | Reduce 54.45% | 210,691 | 3.36 |
| ☰ | MCO - Moody's Corp. | Reduce 65.61% | 436,187 | 5.96 |
| Q3 2020 | ||||
| ☰ | CHTR - Charter Communications | Reduce 4.84% | 55,695 | 1.46 |
| ☰ | MA - Mastercard Inc. | Reduce 6.07% | 25,000 | 0.38 |
| ☰ | MCO - Moody's Corp. | Reduce 9.60% | 70,639 | 1.00 |
| Q2 2020 | ||||
| ☰ | MCO - Moody's Corp. | Reduce 50.50% | 750,230 | 10.07 |
| ☰ | V - Visa Inc. | Reduce 95.92% | 200,000 | 2.04 |
| Q1 2020 | ||||
| ☰ | MA - Mastercard Inc. | Reduce 8.82% | 35,000 | 0.65 |
| ☰ | V - Visa Inc. | Reduce 17.10% | 43,000 | 0.50 |
| ☰ | ORLY - O'Reilly Automotive | Sell 100.00% | 93,918 | 2.55 |
| Q3 2019 | ||||
| ☰ | TDG - TransDigm Group Inc. | Reduce 3.47% | 21,000 | 0.88 |
| ☰ | MCO - Moody's Corp. | Reduce 7.08% | 80,000 | 1.35 |
| ☰ | V - Visa Inc. | Reduce 10.97% | 31,000 | 0.46 |
| ☰ | ORLY - O'Reilly Automotive | Reduce 69.58% | 214,811 | 6.85 |
| Q2 2019 | ||||
| ☰ | TDG - TransDigm Group Inc. | Reduce 5.69% | 36,561 | 1.58 |
| Q4 2018 | ||||
| ☰ | MA - Mastercard Inc. | Reduce 0.34% | 1,350 | 0.03 |
| ☰ | ORLY - O'Reilly Automotive | Reduce 1.56% | 4,900 | 0.16 |
| ☰ | BKNG - Booking Holdings Inc. | Sell 100.00% | 3,002,075 | 21.88 |
| Q3 2018 | ||||
| ☰ | ORLY - O'Reilly Automotive | Reduce 5.84% | 19,450 | 0.55 |
| Q2 2018 | ||||
| ☰ | WAB - WABTEC Corp. | Sell 100.00% | 666,426 | 6.21 |
| Q1 2018 | ||||
| ☰ | WAB - WABTEC Corp. | Reduce 2.91% | 20,000 | 0.21 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 7.78% | 45,100 | 1.63 |
| ☰ | PCLN - Priceline Group Inc | Sell 100.00% | 94,263 | 21.52 |
| Q4 2017 | ||||
| ☰ | TDG - TransDigm Group Inc. | Reduce 10.36% | 67,000 | 2.50 |
| ☰ | MCO - Moody's Corp. | Reduce 10.67% | 115,529 | 2.35 |
| Q3 2017 | ||||
| ☰ | CHTR - Charter Communications | Reduce 43.35% | 177,964 | 8.44 |
| Q2 2017 | ||||
| ☰ | LBTYK - Liberty Global Ltd CL C | Sell 100.00% | 1,254,232 | 6.52 |
| Q1 2017 | ||||
| ☰ | WAB - WABTEC Corp. | Reduce 0.49% | 3,400 | 0.04 |
| ☰ | MA - Mastercard Inc. | Reduce 1.34% | 5,400 | 0.08 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 9.37% | 55,434 | 2.02 |
| ☰ | CHTR - Charter Communications | Reduce 19.95% | 96,100 | 4.05 |
| ☰ | LBTYK - Liberty Global Ltd CL C | Reduce 51.49% | 1,331,127 | 5.79 |
| Q4 2016 | ||||
| ☰ | CHTR - Charter Communications | Reduce 12.10% | 66,300 | 2.85 |
| ☰ | WAB - WABTEC Corp. | Reduce 17.86% | 150,000 | 1.95 |
| ☰ | LBTYK - Liberty Global Ltd CL C | Reduce 18.13% | 572,475 | 3.01 |
| ☰ | 1LGE - Liberty Lilac Group - C | Sell 100.00% | 398,745 | 1.78 |
| Q3 2016 | ||||
| ☰ | MCO - Moody's Corp. | Reduce 2.72% | 27,019 | 0.46 |
| ☰ | LBTYK - Liberty Global Ltd CL C | Reduce 10.47% | 369,299 | 1.92 |
| ☰ | BRK.B - Berkshire Hathaway CL B | Sell 100.00% | 315,375 | 8.30 |
| ☰ | IBKR - Interactive Brokers Group Inc. | Sell 100.00% | 7,201 | 0.05 |
| Q2 2016 | ||||
| ☰ | CHTR - Charter Communications | Reduce 1.69% | 9,394 | 0.35 |
| ☰ | MCO - Moody's Corp. | Reduce 4.60% | 47,780 | 0.85 |
| ☰ | TDG - TransDigm Group Inc. | Reduce 39.86% | 291,067 | 11.82 |
| ☰ | IBKR - Interactive Brokers Group Inc. | Reduce 73.53% | 20,000 | 0.15 |
| Q4 2015 | ||||
| ☰ | CHTR - Charter Communications | Reduce 2.77% | 13,900 | 0.58 |
| Q3 2015 | ||||
| ☰ | V - Visa Inc. | Reduce 10.59% | 29,660 | 0.64 |
| ☰ | IBKR - Interactive Brokers Group Inc. | Reduce 17.82% | 5,900 | 0.08 |
| Q2 2015 | ||||
| ☰ | V - Visa Inc. | Reduce 18.84% | 65,000 | 2.12 |
| Q1 2015 | ||||
| ☰ | DPZ - Dominos Pizza Inc. | Sell 100.00% | 76,498 | 5.96 |