John Osterweis - AltaRock Partners
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    8
Portfolio value:    $4,126,337,614
Holdings Activity Buys Sells    History
Holding/activity history for  Amazon.com Inc. (AMZN)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 7,567,946 38.20 Add 3.46% 1.28 $208.27 $1,576,176,113 SEC
2025   Q4 7,314,534 33.10 Reduce 3.22% 0.98 $230.82 $1,688,340,738 SEC
2025   Q3 7,558,253 30.34 Add 20.43% 5.15 $219.57 $1,659,565,611 SEC
2025   Q2 6,275,906 25.14 Add 20.63% 4.30 $219.39 $1,376,871,017 SEC
2025   Q1 5,202,415 19.90 Reduce 1.44% 0.34 $190.26 $989,811,478 SEC
2024   Q4 5,278,320 23.42 Reduce 2.30% 0.46 $219.39 $1,158,010,625 SEC
2024   Q3 5,402,320 19.83 Add 30.82% 4.67 $186.33 $1,006,614,286 SEC
2024   Q2 4,129,460 16.43 Reduce 1.78% 0.29 $193.25 $798,018,145 SEC
2024   Q1 4,204,460 16.30 Reduce 5.19% 0.78 $180.38 $758,400,495 SEC
2023   Q4 4,434,634 15.03 Reduce 3.60% 0.53 $151.94 $673,798,290 SEC
2023   Q3 4,600,234 14.65 Reduce 9.92% 1.59 $127.12 $584,781,746 SEC
2023   Q2 5,106,781 15.99 Reduce 12.93% 2.14 $130.36 $665,719,971 SEC
2023   Q1 5,864,951 16.59 Add 3.91% 0.62 $103.29 $605,790,789 SEC
2022   Q4 5,644,370 14.90 Add 71.35% 6.20 $84.00 $474,127,080 SEC
2022   Q3 3,294,034 12.19 Add 7.49% 0.85 $113.00 $372,226,000 SEC
2022   Q2 3,064,420 10.04 Add 20.41% 1.70 $106.21 $325,472,000 SEC
2022   Q1 2,544,920 10.58 Buy 10.58 $163.00 $414,816,000 SEC