SEC 13F Intelligence

William Blair Investment Management, LLC / AMZN

William Blair Investment Management, LLC’s Amazon Com Inc Position

Does William Blair Investment Management, LLC own Amazon Com Inc (AMZN)? Yes — 3.16M shares worth $659M (+2.18% of its 13F portfolio) as of Q1 2026, down from 4.39M shares the prior filed quarter.

Position Value
$659M
Q1 2026
Shares
3.16M
% of Portfolio
+2.18%
Quarters Held
30
currently held

Position History AMZN

Reported value by quarter
Q4 ’18: $175MQ4 ’18Q1 ’19: $208MQ2 ’19: $223MQ3 ’19: $201MQ4 ’19: $241MQ4 ’19Q1 ’20: $255MQ2 ’20: $425MQ3 ’20: $428MQ4 ’20: $393MQ4 ’20Q1 ’21: $389MQ2 ’21: $439MQ3 ’21: $403MQ4 ’21: $564MQ4 ’21Q1 ’22: $623MQ2 ’22: $478MQ3 ’22: $509MQ4 ’22: $344MQ4 ’22Q1 ’23: $465MQ2 ’23: $621MQ3 ’23: $693MQ4 ’23: $878MQ4 ’23Q1 ’24: $1.1BQ2 ’24: $1.3BQ3 ’24: $1.3BQ4 ’24: $1.5BQ4 ’24Q1 ’25: $1.2BQ2 ’25: $1.2BQ3 ’25: $971MQ4 ’25: $1.0BQ4 ’25Q1 ’26: $659Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20263.16M$659M+2.18%
Q4 20254.39M$1.0B+2.82%
Q3 20254.42M$971M+2.51%
Q2 20255.40M$1.2B+3.14%
Q1 20256.12M$1.2B+3.27%
Q4 20246.83M$1.5B+3.66%
Q3 20246.85M$1.3B+3.15%
Q2 20246.74M$1.3B+3.42%
Q1 20246.35M$1.1B+2.96%
Q4 20235.78M$878M+2.55%
Q3 20235.45M$693M+2.30%
Q2 20234.76M$621M+1.99%
Q1 20234.50M$465M+1.62%
Q4 20224.10M$344M+1.32%
Q3 20224.50M$509M+2.01%
Q2 20224.50M$478M+1.77%
Q1 2022191.1K$623M+1.86%
Q4 2021169.3K$564M+1.53%
Q3 2021122.7K$403M+1.14%
Q2 2021127.6K$439M+1.38%
Q1 2021125.8K$389M+1.26%
Q4 2020120.5K$393M+1.31%
Q3 2020135.9K$428M+1.67%
Q2 2020154.1K$425M+1.73%
Q1 2020130.8K$255M+1.24%
Q4 2019130.6K$241M+0.96%
Q3 2019116.1K$201M+0.86%
Q2 2019117.8K$223M+0.94%
Q1 2019116.8K$208M+0.88%
Q4 2018116.3K$175M+0.87%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See William Blair Investment Management, LLC’s full portfolio or all institutional holders of AMZN.