Marshall Wace’s Bio-Rad Laboratories Class A BIO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$9.26M Buy
33,217
+21,657
+187% +$6.24M 0.01% 1016
2025
Q4
$3.5M Sell
11,560
-1,054
-8% -$329K ﹤0.01% 1318
2025
Q3
$3.54M Buy
12,614
+11,688
+1,262% +$3.18M ﹤0.01% 1346
2025
Q2
$223K Sell
926
-26,169
-97% -$6.19M ﹤0.01% 2424
2025
Q1
$6.6M Buy
27,095
+24,816
+1,089% +$7.47M 0.01% 942
2024
Q4
$749K Buy
+2,279
New +$774K ﹤0.01% 1872
2024
Q1
Sell
-6,300
Closed -$2.03M 2445
2023
Q4
$2.03M Sell
6,300
-119,350
-95% -$37.4M ﹤0.01% 1213
2023
Q3
$45M Buy
125,650
+106,037
+541% +$40.9M 0.1% 229
2023
Q2
$7.44M Sell
19,613
-13,749
-41% -$5.6M 0.02% 862
2023
Q1
$16M Buy
33,362
+32,767
+5,507% +$15.3M 0.04% 542
2022
Q4
$250K Sell
595
-172,005
-100% -$69.4M ﹤0.01% 2626
2022
Q3
$72M Sell
172,600
-52,169
-23% -$26M 0.18% 131
2022
Q2
$111M Sell
224,769
-242,574
-52% -$126M 0.25% 87
2022
Q1
$263M Buy
467,343
+133,973
+40% +$80.8M 0.55% 25
2021
Q4
$252M Sell
333,370
-105,974
-24% -$79.3M 0.5% 30
2021
Q3
$328M Buy
439,344
+4,245
+1% +$3.18M 1.63% 2
2021
Q2
$280M Sell
435,099
-133,819
-24% -$81.4M 1.48% 4
2021
Q1
$325M Buy
568,918
+199,507
+54% +$118M 1.71% 1
2020
Q4
$215M Buy
369,411
+88,844
+32% +$50.6M 1.36% 13
2020
Q3
$145M Buy
280,567
+47,465
+20% +$24M 1.06% 16
2020
Q2
$105M Buy
233,102
+120,850
+108% +$53.3M 0.82% 22
2020
Q1
$39.4M Buy
112,252
+111,393
+12,968% +$41M 0.4% 52
2019
Q4
$318K Sell
859
-77,897
-99% -$27.5M ﹤0.01% 1260
2019
Q3
$26.2M Buy
78,756
+57,281
+267% +$18.7M 0.22% 112
2019
Q2
$6.71M Buy
+21,475
New +$6.43M 0.06% 400
2019
Q1
Sell
-9,196
Closed -$2.13M 1715
2018
Q4
$2.13M Sell
9,196
-14,767
-62% -$3.96M 0.02% 706
2018
Q3
$7.5M Buy
23,963
+20,850
+670% +$6.47M 0.06% 366
2018
Q2
$898K Buy
+3,113
New +$860K 0.01% 523
2017
Q3
Sell
-1,114
Closed -$252K 342
2017
Q2
$252K Buy
+1,114
New +$243K 0.01% 282

Other funds holding BIO