Westfield Capital Management
BIO icon

Westfield Capital Management’s Bio-Rad Laboratories Class A BIO Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$33.7M Buy
139,505
+4,834
+4% +$1.17M 0.14% 173
2025
Q1
$32.8M Sell
134,671
-129,934
-49% -$31.6M 0.16% 160
2024
Q4
$86.9M Buy
264,605
+11,836
+5% +$3.89M 0.38% 77
2024
Q3
$84.6M Buy
252,769
+9,584
+4% +$3.21M 0.38% 82
2024
Q2
$66.4M Buy
243,185
+12,676
+5% +$3.46M 0.33% 100
2024
Q1
$79.7M Sell
230,509
-16,701
-7% -$5.78M 0.42% 86
2023
Q4
$79.8M Sell
247,210
-115,118
-32% -$37.2M 0.47% 77
2023
Q3
$130M Sell
362,328
-41,484
-10% -$14.9M 0.88% 25
2023
Q2
$153M Buy
403,812
+18,156
+5% +$6.88M 0.97% 22
2023
Q1
$185M Sell
385,656
-3,848
-1% -$1.84M 1.31% 11
2022
Q4
$164M Buy
389,504
+28,389
+8% +$11.9M 1.26% 14
2022
Q3
$151M Buy
361,115
+927
+0.3% +$387K 1.2% 13
2022
Q2
$178M Buy
360,188
+18,356
+5% +$9.09M 1.4% 10
2022
Q1
$193M Buy
341,832
+10,113
+3% +$5.7M 1.23% 13
2021
Q4
$251M Sell
331,719
-17,964
-5% -$13.6M 1.49% 8
2021
Q3
$261M Sell
349,683
-56,589
-14% -$42.2M 1.57% 8
2021
Q2
$262M Buy
406,272
+1,805
+0.4% +$1.16M 1.57% 9
2021
Q1
$231M Sell
404,467
-7,595
-2% -$4.34M 1.44% 10
2020
Q4
$240M Buy
412,062
+114,029
+38% +$66.5M 1.43% 10
2020
Q3
$154M Sell
298,033
-57,337
-16% -$29.6M 0.99% 21
2020
Q2
$160M Sell
355,370
-34,528
-9% -$15.6M 1.1% 18
2020
Q1
$137M Sell
389,898
-70,731
-15% -$24.8M 1.2% 18
2019
Q4
$170M Buy
460,629
+48,717
+12% +$18M 1.21% 16
2019
Q3
$137M Buy
411,912
+52,300
+15% +$17.4M 1.1% 21
2019
Q2
$112M Sell
359,612
-16,859
-4% -$5.27M 0.85% 32
2019
Q1
$115M Buy
376,471
+453
+0.1% +$138K 0.88% 30
2018
Q4
$87.3M Buy
376,018
+29,265
+8% +$6.8M 0.74% 46
2018
Q3
$109M Buy
346,753
+85,191
+33% +$26.7M 0.76% 34
2018
Q2
$75.5M Buy
261,562
+13,118
+5% +$3.79M 0.56% 57
2018
Q1
$62.1M Buy
248,444
+99,401
+67% +$24.9M 0.48% 74
2017
Q4
$35.6M Buy
149,043
+49,255
+49% +$11.8M 0.27% 139
2017
Q3
$22.2M Buy
+99,788
New +$22.2M 0.17% 177