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)
← All AMZN superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 7,567,946 38.20 Add 3.46% 1.28 $196.00–248.94 · VW $220.27i $1,576,176,113 SEC
2025   Q4 7,314,534 33.10 Reduce 3.22% 0.98 $211.03–258.60 · VW $234.02i $1,688,340,738 SEC
2025   Q3 7,558,253 30.34 Add 20.43% 5.15 $211.42–238.85 · VW $226.37i $1,659,565,611 SEC
2025   Q2 6,275,906 25.14 Add 20.63% 4.30 $161.38–223.82 · VW $196.80i $1,376,871,017 SEC
2025   Q1 5,202,415 19.90 Reduce 1.44% 0.34 $184.40–242.52 · VW $213.55i $989,811,478 SEC
2024   Q4 5,278,320 23.42 Reduce 2.30% 0.46 $180.25–233.00 · VW $204.97i $1,158,010,625 SEC
2024   Q3 5,402,320 19.83 Add 30.82% 4.67 $151.61–201.20 · VW $181.64i $1,006,614,286 SEC
2024   Q2 4,129,460 16.43 Reduce 1.78% 0.29 $166.32–199.84 · VW $182.18i $798,018,145 SEC
2024   Q1 4,204,460 16.30 Reduce 5.19% 0.78 $144.05–181.70 · VW $166.22i $758,400,495 SEC
2023   Q4 4,434,634 15.03 Reduce 3.60% 0.53 $118.35–155.63 · VW $139.57i $673,798,290 SEC
2023   Q3 4,600,234 14.65 Reduce 9.92% 1.59 $123.04–145.86 · VW $133.46i $584,781,746 SEC
2023   Q2 5,106,781 15.99 Reduce 12.93% 2.14 $97.71–131.49 · VW $115.62i $665,719,971 SEC
2023   Q1 5,864,951 16.59 Add 3.91% 0.62 $81.43–114.00 · VW $98.09i $605,790,789 SEC
2022   Q4 5,644,370 14.90 Add 71.35% 6.20 $81.69–123.00 · VW $96.68i $474,127,080 SEC
2022   Q3 3,294,034 12.19 Add 7.49% 0.85 $105.85–146.57 · VW $126.59i $372,226,000 SEC
2022   Q2 3,064,420 10.04 Add 20.41% 1.70 $101.26–168.39 · VW $120.63i $325,472,000 SEC
2022   Q1 2,544,920 10.58 Buy 10.58 $133.57–171.40 · VW $153.28i $414,816,000 SEC
Price snapshot:
Current price$247.31
Avg. buy price$164.40
+/- since buy50.44%
52-week low$196.00
52-week high$278.56