Citadel Advisors’s Bio-Rad Laboratories Class A BIO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$632K Sell
2,618
-10,193
-80% -$2.46M ﹤0.01% 3799
2025
Q1
$3.12M Buy
12,811
+11,947
+1,383% +$2.91M ﹤0.01% 2176
2024
Q4
$284K Sell
864
-19,629
-96% -$6.45M ﹤0.01% 4569
2024
Q3
$6.86M Buy
+20,493
New +$6.86M ﹤0.01% 1518
2024
Q2
Sell
-38,070
Closed -$13.2M 5932
2024
Q1
$13.2M Buy
38,070
+16,217
+74% +$5.61M ﹤0.01% 1128
2023
Q4
$7.06M Buy
21,853
+16,873
+339% +$5.45M ﹤0.01% 1433
2023
Q3
$1.79M Sell
4,980
-37,287
-88% -$13.4M ﹤0.01% 2494
2023
Q2
$16M Sell
42,267
-17,820
-30% -$6.76M ﹤0.01% 921
2023
Q1
$28.8M Sell
60,087
-65,877
-52% -$31.6M 0.01% 678
2022
Q4
$53M Buy
125,964
+35,034
+39% +$14.7M 0.01% 417
2022
Q3
$37.9M Buy
90,930
+39,151
+76% +$16.3M 0.01% 513
2022
Q2
$25.6M Sell
51,779
-83,985
-62% -$41.6M 0.01% 688
2022
Q1
$76.5M Buy
135,764
+127,648
+1,573% +$71.9M 0.02% 269
2021
Q4
$6.13M Sell
8,116
-536
-6% -$405K ﹤0.01% 1917
2021
Q3
$6.45M Sell
8,652
-20,789
-71% -$15.5M ﹤0.01% 1828
2021
Q2
$19M Buy
29,441
+25,831
+716% +$16.6M ﹤0.01% 995
2021
Q1
$2.06M Buy
+3,610
New +$2.06M ﹤0.01% 3121
2020
Q4
Sell
-4,748
Closed -$2.45M 5067
2020
Q3
$2.45M Sell
4,748
-15,368
-76% -$7.92M ﹤0.01% 2091
2020
Q2
$9.08M Sell
20,116
-5,202
-21% -$2.35M ﹤0.01% 1149
2020
Q1
$8.88M Sell
25,318
-2,785
-10% -$976K ﹤0.01% 1071
2019
Q4
$10.4M Sell
28,103
-94,313
-77% -$34.9M ﹤0.01% 1147
2019
Q3
$40.7M Buy
122,416
+106,261
+658% +$35.4M 0.02% 494
2019
Q2
$5.05M Sell
16,155
-25,830
-62% -$8.07M ﹤0.01% 1640
2019
Q1
$12.8M Buy
41,985
+21,326
+103% +$6.52M 0.01% 965
2018
Q4
$4.8M Sell
20,659
-5,180
-20% -$1.2M ﹤0.01% 1505
2018
Q3
$8.09M Buy
25,839
+21,541
+501% +$6.74M ﹤0.01% 1241
2018
Q2
$1.24M Sell
4,298
-2,581
-38% -$745K ﹤0.01% 2484
2018
Q1
$1.72M Sell
6,879
-178,217
-96% -$44.6M ﹤0.01% 2048
2017
Q4
$44.2M Sell
185,096
-29,398
-14% -$7.02M 0.03% 398
2017
Q3
$47.7M Buy
214,494
+29,910
+16% +$6.65M 0.04% 346
2017
Q2
$41.8M Buy
184,584
+162,725
+744% +$36.8M 0.04% 355
2017
Q1
$4.36M Buy
21,859
+15,578
+248% +$3.11M ﹤0.01% 1266
2016
Q4
$1.15M Sell
6,281
-15,450
-71% -$2.82M ﹤0.01% 1890
2016
Q3
$3.56M Buy
21,731
+1,535
+8% +$251K ﹤0.01% 1239
2016
Q2
$2.89M Buy
20,196
+12,408
+159% +$1.77M ﹤0.01% 1268
2016
Q1
$1.07M Sell
7,788
-1,638
-17% -$224K ﹤0.01% 1789
2015
Q4
$1.31M Buy
9,426
+7,661
+434% +$1.06M ﹤0.01% 1833
2015
Q3
$237K Sell
1,765
-11,341
-87% -$1.52M ﹤0.01% 3080
2015
Q2
$1.97M Sell
13,106
-37,879
-74% -$5.71M ﹤0.01% 1736
2015
Q1
$6.89M Sell
50,985
-33,385
-40% -$4.51M 0.01% 1110
2014
Q4
$10.2M Buy
84,370
+50,102
+146% +$6.04M 0.01% 910
2014
Q3
$3.89M Buy
34,268
+19,004
+125% +$2.16M ﹤0.01% 1281
2014
Q2
$1.83M Buy
15,264
+3,995
+35% +$478K ﹤0.01% 1531
2014
Q1
$1.44M Sell
11,269
-5,503
-33% -$705K ﹤0.01% 1633
2013
Q4
$2.07M Buy
16,772
+4,683
+39% +$579K ﹤0.01% 1337
2013
Q3
$1.42M Sell
12,089
-4,733
-28% -$556K ﹤0.01% 1416
2013
Q2
$1.89M Buy
+16,822
New +$1.89M ﹤0.01% 1415