William Blair Investment Management
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William Blair Investment Management’s Cboe Global Markets CBOE Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2020
Q3
Sell
-79,111
Closed -$7.38M 348
2020
Q2
$7.38M Sell
79,111
-1,102,179
-93% -$103M 0.03% 289
2020
Q1
$105M Buy
1,181,290
+51,425
+5% +$4.59M 0.51% 62
2019
Q4
$136M Sell
1,129,865
-840,814
-43% -$101M 0.54% 59
2019
Q3
$226M Sell
1,970,679
-426,547
-18% -$49M 0.97% 23
2019
Q2
$248M Sell
2,397,226
-54,526
-2% -$5.65M 1.04% 15
2019
Q1
$234M Sell
2,451,752
-29,204
-1% -$2.79M 0.98% 21
2018
Q4
$243M Buy
2,480,956
+175,948
+8% +$17.2M 1.21% 12
2018
Q3
$221M Buy
2,305,008
+738,063
+47% +$70.8M 0.77% 31
2018
Q2
$163M Sell
1,566,945
-41,077
-3% -$4.27M 0.61% 49
2018
Q1
$183M Buy
1,608,022
+662,705
+70% +$75.6M 0.7% 37
2017
Q4
$118M Buy
945,317
+33,594
+4% +$4.19M 0.46% 76
2017
Q3
$98.1M Buy
911,723
+263
+0% +$28.3K 0.35% 95
2017
Q2
$83.3M Buy
911,460
+33,226
+4% +$3.04M 0.3% 104
2017
Q1
$71.2M Buy
878,234
+76,211
+10% +$6.18M 0.27% 116
2016
Q4
$59.3M Buy
802,023
+16,253
+2% +$1.2M 0.24% 132
2016
Q3
$51M Sell
785,770
-925,111
-54% -$60M 0.19% 141
2016
Q2
$114M Buy
1,710,881
+39,704
+2% +$2.65M 0.45% 76
2016
Q1
$109M Buy
1,671,177
+19,100
+1% +$1.25M 0.43% 83
2015
Q4
$107M Buy
1,652,077
+296,845
+22% +$19.3M 0.43% 82
2015
Q3
$90.9M Buy
+1,355,232
New +$90.9M 0.19% 154