William Blair Investment Management’s Amazon AMZN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$474M Sell
1,987,085
-1,176,544
-37% -$295M 1.42% 8
2026
Q1
$659M Sell
3,163,629
-1,223,374
-28% -$269M 2.18% 7
2025
Q4
$1.01B Sell
4,387,003
-34,158
-0.8% -$7.81M 2.82% 5
2025
Q3
$971M Sell
4,421,161
-979,192
-18% -$222M 2.51% 5
2025
Q2
$1.18B Sell
5,400,353
-717,778
-12% -$142M 3.14% 4
2025
Q1
$1.16B Sell
6,118,131
-716,366
-10% -$155M 3.27% 4
2024
Q4
$1.5B Sell
6,834,497
-13,499
-0.2% -$2.76M 3.66% 4
2024
Q3
$1.28B Buy
6,847,996
+104,552
+2% +$19.1M 3.15% 5
2024
Q2
$1.3B Buy
6,743,444
+391,337
+6% +$71.9M 3.42% 5
2024
Q1
$1.15B Buy
6,352,107
+573,868
+10% +$95.8M 2.96% 4
2023
Q4
$878M Buy
5,778,239
+325,984
+6% +$45.7M 2.55% 4
2023
Q3
$693M Buy
5,452,255
+690,650
+15% +$92.5M 2.3% 4
2023
Q2
$621M Buy
4,761,605
+262,489
+6% +$30M 1.99% 4
2023
Q1
$465M Buy
4,499,116
+403,759
+10% +$39M 1.62% 6
2022
Q4
$344M Sell
4,095,357
-406,771
-9% -$40.2M 1.32% 9
2022
Q3
$509M Sell
4,502,128
-647
-0% -$81.8K 2.01% 3
2022
Q2
$478M Buy
4,502,775
+680,515
+18% +$85.2M 1.77% 4
2022
Q1
$623M Buy
3,822,260
+436,860
+13% +$67.5M 1.86% 3
2021
Q4
$564M Buy
3,385,400
+931,480
+38% +$159M 1.53% 4
2021
Q3
$403M Sell
2,453,920
-97,120
-4% -$16.8M 1.14% 7
2021
Q2
$439M Buy
2,551,040
+34,400
+1% +$5.72M 1.38% 4
2021
Q1
$389M Buy
2,516,640
+105,880
+4% +$16.8M 1.26% 9
2020
Q4
$393M Sell
2,410,760
-308,180
-11% -$49.2M 1.31% 6
2020
Q3
$428M Sell
2,718,940
-362,320
-12% -$57.1M 1.67% 4
2020
Q2
$425M Buy
3,081,260
+465,320
+18% +$56.2M 1.73% 5
2020
Q1
$255M Buy
2,615,940
+4,480
+0.2% +$434K 1.24% 9
2019
Q4
$241M Buy
2,611,460
+289,940
+12% +$25.7M 0.96% 21
2019
Q3
$201M Sell
2,321,520
-34,580
-1% -$3.21M 0.86% 29
2019
Q2
$223M Buy
2,356,100
+20,100
+0.9% +$1.87M 0.94% 22
2019
Q1
$208M Buy
2,336,000
+10,020
+0.4% +$834K 0.88% 27
2018
Q4
$175M Sell
2,325,980
-1,166,800
-33% -$97M 0.87% 26
2018
Q3
$350M Sell
3,492,780
-168,020
-5% -$15.8M 1.21% 11
2018
Q2
$311M Sell
3,660,800
-212,280
-5% -$16.8M 1.16% 13
2018
Q1
$280M Sell
3,873,080
-536,680
-12% -$38.4M 1.07% 14
2017
Q4
$258M Sell
4,409,760
-1,343,380
-23% -$73.9M 1% 15
2017
Q3
$277M Sell
5,753,140
-777,780
-12% -$38.2M 0.99% 24
2017
Q2
$316M Sell
6,530,920
-610,060
-9% -$29.1M 1.15% 12
2017
Q1
$317M Sell
7,140,980
-576,620
-7% -$24M 1.2% 7
2016
Q4
$289M Sell
7,717,600
-62,580
-0.8% -$2.45M 1.16% 12
2016
Q3
$326M Sell
7,780,180
-238,740
-3% -$9.14M 1.23% 8
2016
Q2
$287M Sell
8,018,920
-323,460
-4% -$10.9M 1.13% 12
2016
Q1
$248M Buy
8,342,380
+2,551,440
+44% +$72.4M 0.98% 19
2015
Q4
$196M Sell
5,790,940
-293,080
-5% -$9.24M 0.79% 37
2015
Q3
$156M Buy
+6,084,020
New +$154M 0.32% 98

Other funds holding AMZN

William Blair Investment Management's AMZN Position: Q2 2026 in Review

William Blair Investment Management reduced its Amazon (AMZN) stake by 37% in Q2 2026, selling an estimated $295M and leaving 1,987,085 shares worth $474M. The position accounts for 1.42% of the portfolio, ranked #8.

William Blair Investment Management first reported a position in AMZN in Q3 2015 and has held it in 44 quarters since. The position peaked at $1.5B in Q4 2024. 6,101 funds tracked by Wall St. Rank hold AMZN as of Q2 2026.

  • William Blair Investment Management held 1,987,085 shares of Amazon worth $474M as of Q2 2026.
  • William Blair Investment Management sold 1,176,544 Amazon shares in Q2 2026, an estimated $295M.
  • Amazon made up 1.42% of William Blair Investment Management's portfolio in Q2 2026, its #8 holding.
  • William Blair Investment Management first reported a position in Amazon in Q3 2015 and has held it in 44 quarters since.
  • William Blair Investment Management's Amazon position peaked at $1.5B in Q4 2024.
  • 6,101 funds tracked by Wall St. Rank held Amazon as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.