William Blair & Company
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William Blair & Company’s Affiliated Managers Group AMG Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$2.14M Sell
10,885
-1,364
-11% -$268K 0.01% 699
2025
Q1
$2.06M Sell
12,249
-200
-2% -$33.6K 0.01% 706
2024
Q4
$2.3M Sell
12,449
-44
-0.4% -$8.14K 0.01% 679
2024
Q3
$2.22M Sell
12,493
-412
-3% -$73.3K 0.01% 679
2024
Q2
$2.02M Sell
12,905
-19
-0.1% -$2.97K 0.01% 687
2024
Q1
$2.16M Buy
12,924
+69
+0.5% +$11.6K 0.01% 659
2023
Q4
$1.95M Sell
12,855
-325
-2% -$49.2K 0.01% 673
2023
Q3
$1.72M Sell
13,180
-71
-0.5% -$9.25K 0.01% 695
2023
Q2
$1.99M Sell
13,251
-646
-5% -$96.8K 0.01% 672
2023
Q1
$1.98M Sell
13,897
-9
-0.1% -$1.28K 0.01% 659
2022
Q4
$2.2M Sell
13,906
-530
-4% -$84K 0.01% 607
2022
Q3
$1.62M Hold
14,436
0.01% 668
2022
Q2
$1.68M Sell
14,436
-294
-2% -$34.3K 0.01% 684
2022
Q1
$2.08M Sell
14,730
-275
-2% -$38.8K 0.01% 688
2021
Q4
$2.47M Buy
15,005
+2
+0% +$329 0.01% 667
2021
Q3
$2.27M Sell
15,003
-27
-0.2% -$4.08K 0.01% 672
2021
Q2
$2.32M Sell
15,030
-4,125
-22% -$636K 0.01% 668
2021
Q1
$2.86M Sell
19,155
-38
-0.2% -$5.66K 0.01% 587
2020
Q4
$1.95M Sell
19,193
-747
-4% -$76K 0.01% 658
2020
Q3
$1.36M Sell
19,940
-61,106
-75% -$4.18M 0.01% 678
2020
Q2
$6.04M Sell
81,046
-1,017
-1% -$75.8K 0.03% 346
2020
Q1
$4.85M Sell
82,063
-1,514
-2% -$89.5K 0.03% 337
2019
Q4
$7.08M Sell
83,577
-17,884
-18% -$1.52M 0.04% 319
2019
Q3
$8.46M Sell
101,461
-5,372
-5% -$448K 0.05% 277
2019
Q2
$9.84M Sell
106,833
-35,133
-25% -$3.24M 0.06% 259
2019
Q1
$15.2M Sell
141,966
-9,433
-6% -$1.01M 0.09% 201
2018
Q4
$14.8M Sell
151,399
-143,981
-49% -$14M 0.11% 182
2018
Q3
$40.4M Sell
295,380
-46,605
-14% -$6.37M 0.25% 101
2018
Q2
$50.8M Sell
341,985
-107,612
-24% -$16M 0.35% 73
2018
Q1
$85.2M Sell
449,597
-135,865
-23% -$25.8M 0.6% 41
2017
Q4
$120M Sell
585,462
-36,358
-6% -$7.46M 0.82% 25
2017
Q3
$118M Sell
621,820
-27,414
-4% -$5.2M 0.89% 19
2017
Q2
$108M Sell
649,234
-15,375
-2% -$2.55M 0.81% 20
2017
Q1
$110M Buy
664,609
+1,294
+0.2% +$214K 0.89% 17
2016
Q4
$96.4M Sell
663,315
-64,079
-9% -$9.31M 0.86% 20
2016
Q3
$105M Sell
727,394
-10,979
-1% -$1.59M 0.93% 18
2016
Q2
$104M Sell
738,373
-78,933
-10% -$11.1M 0.97% 15
2016
Q1
$133M Buy
817,306
+7,046
+0.9% +$1.14M 1.25% 10
2015
Q4
$129M Sell
810,260
-83,557
-9% -$13.3M 1.22% 10
2015
Q3
$153M Sell
893,817
-1,518,455
-63% -$260M 1.32% 9
2015
Q2
$527M Sell
2,412,272
-124,518
-5% -$27.2M 0.79% 1
2015
Q1
$545M Buy
2,536,790
+150,509
+6% +$32.3M 0.84% 2
2014
Q4
$506M Buy
2,386,281
+278,608
+13% +$59.1M 0.82% 2
2014
Q3
$422M Sell
2,107,673
-27,088
-1% -$5.43M 0.72% 4
2014
Q2
$438M Sell
2,134,761
-77,653
-4% -$15.9M 0.72% 5
2014
Q1
$443M Buy
2,212,414
+198,077
+10% +$39.6M 0.73% 6
2013
Q4
$437M Sell
2,014,337
-360,948
-15% -$78.3M 0.72% 9
2013
Q3
$434M Buy
2,375,285
+190,714
+9% +$34.8M 0.77% 6
2013
Q2
$358M Buy
+2,184,571
New +$358M 0.71% 7