Westfield Capital Management CO LP Bio Rad Laboratories, Inc. Transaction History

Westfield Capital Management CO LP

  • $21.9 Billion
  • Q3 2025

A detailed history of Westfield Capital Management CO LP transactions in Bio Rad Laboratories, Inc. stock. As of the latest transaction made, Westfield Capital Management CO LP holds 155,524 shares of BIO stock, worth $48.7 Million. This represents 0.2% of its overall portfolio holdings.

Number of Shares
155,524
Previous 134,671 15.48%
Holding current value
$48.7 Million
Previous $32.8 Million 32.95%
% of portfolio
0.2%
Previous 0.17%

Shares

32 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 10, 2025
BUY
$241.95 - $303.82 $5.05 Million - $6.34 Million
20,853 Added 15.48%
155,524 $43.6 Million
Q1 2025

May 09, 2025
SELL
$243.0 - $367.0 $31.6 Million - $47.7 Million
-129,934 Reduced 49.1%
134,671 $32.8 Million
Q4 2024

Feb 11, 2025
BUY
$313.15 - $374.28 $3.71 Million - $4.43 Million
11,836 Added 4.68%
264,605 $86.9 Million
Q3 2024

Nov 12, 2024
BUY
$263.97 - $344.64 $2.53 Million - $3.3 Million
9,584 Added 3.94%
252,769 $84.6 Million
Q2 2024

Aug 14, 2024
BUY
$268.26 - $339.48 $3.4 Million - $4.3 Million
12,676 Added 5.5%
243,185 $66.4 Million
Q1 2024

May 10, 2024
SELL
$304.11 - $351.99 $5.08 Million - $5.88 Million
-16,701 Reduced 6.76%
230,509 $79.7 Million
Q4 2023

Feb 09, 2024
SELL
$269.37 - $365.04 $31 Million - $42 Million
-115,118 Reduced 31.77%
247,210 $79.8 Million
Q3 2023

Nov 13, 2023
SELL
$350.25 - $422.63 $14.5 Million - $17.5 Million
-41,484 Reduced 10.27%
362,328 $130 Million
Q2 2023

Aug 11, 2023
BUY
$359.49 - $486.4 $6.53 Million - $8.83 Million
18,156 Added 4.71%
403,812 $153 Million
Q1 2023

May 12, 2023
SELL
$418.69 - $503.0 $1.61 Million - $1.94 Million
-3,848 Reduced 0.99%
385,656 $185 Million
Q4 2022

Feb 13, 2023
BUY
$351.71 - $456.01 $9.98 Million - $12.9 Million
28,389 Added 7.86%
389,504 $164 Million
Q3 2022

Nov 14, 2022
BUY
$412.59 - $563.26 $382,470 - $522,142
927 Added 0.26%
361,115 $151 Million
Q2 2022

Aug 12, 2022
BUY
$463.67 - $597.16 $8.51 Million - $11 Million
18,356 Added 5.37%
360,188 $178 Million
Q1 2022

May 16, 2022
BUY
$524.57 - $735.42 $5.3 Million - $7.44 Million
10,113 Added 3.05%
341,832 $193 Million
Q4 2021

Feb 10, 2022
SELL
$708.84 - $794.68 $12.7 Million - $14.3 Million
-17,964 Reduced 5.14%
331,719 $251 Million
Q3 2021

Nov 12, 2021
SELL
$657.71 - $825.77 $37.2 Million - $46.7 Million
-56,589 Reduced 13.93%
349,683 $261 Million
Q2 2021

Aug 10, 2021
BUY
$576.64 - $649.04 $1.04 Million - $1.17 Million
1,805 Added 0.45%
406,272 $262 Million
Q1 2021

May 14, 2021
SELL
$547.01 - $662.35 $4.15 Million - $5.03 Million
-7,595 Reduced 1.84%
404,467 $231 Million
Q4 2020

Feb 12, 2021
BUY
$510.68 - $643.45 $58.2 Million - $73.4 Million
114,029 Added 38.26%
412,062 $240 Million
Q3 2020

Nov 13, 2020
SELL
$454.43 - $535.6 $26.1 Million - $30.7 Million
-57,337 Reduced 16.13%
298,033 $154 Million
Q2 2020

Aug 13, 2020
SELL
$334.87 - $493.06 $11.6 Million - $17 Million
-34,528 Reduced 8.86%
355,370 $160 Million
Q1 2020

May 14, 2020
SELL
$320.01 - $409.07 $22.6 Million - $28.9 Million
-70,731 Reduced 15.36%
389,898 $137 Million
Q4 2019

Feb 13, 2020
BUY
$319.73 - $374.2 $15.6 Million - $18.2 Million
48,717 Added 11.83%
460,629 $170 Million
Q3 2019

Nov 08, 2019
BUY
$304.55 - $345.24 $15.9 Million - $18.1 Million
52,300 Added 14.54%
411,912 $137 Million
Q2 2019

Aug 13, 2019
SELL
$286.93 - $312.59 $4.84 Million - $5.27 Million
-16,859 Reduced 4.48%
359,612 $112 Million
Q1 2019

May 14, 2019
BUY
$224.3 - $317.41 $101,607 - $143,786
453 Added 0.12%
376,471 $115 Million
Q4 2018

Feb 08, 2019
BUY
$220.1 - $309.0 $6.44 Million - $9.04 Million
29,265 Added 8.44%
376,018 $87.3 Million
Q3 2018

Nov 14, 2018
BUY
$289.28 - $326.15 $24.6 Million - $27.8 Million
85,191 Added 32.57%
346,753 $109 Million
Q2 2018

Aug 13, 2018
BUY
$244.1 - $303.88 $3.2 Million - $3.99 Million
13,118 Added 5.28%
261,562 $75.5 Million
Q1 2018

May 14, 2018
BUY
$233.97 - $274.11 $23.3 Million - $27.2 Million
99,401 Added 66.69%
248,444 $62.1 Million
Q4 2017

Feb 13, 2018
BUY
$216.94 - $271.3 $10.7 Million - $13.4 Million
49,255 Added 49.36%
149,043 $35.6 Million
Q3 2017

Nov 13, 2017
BUY
$212.27 - $242.28 $21.2 Million - $24.2 Million
99,788
99,788 $22.2 Million

Others Institutions Holding BIO

# of Institutions
438
Shares Held
19.4M
Call Options Held
6K
Put Options Held
3.3K
View Full List

About BIO-RAD LABORATORIES, INC.

BIO Quotes by TradingView
  • Ticker BIO
  • Exchange NYSE
  • Sector Healthcare
  • Industry Medical Devices
  • Shares Outstandng 24,633,900
  • Market Cap $7.71B
  • Description
  • Bio-Rad Laboratories, Inc. manufactures, and distributes life science research and clinical diagnostic products in the United States, Europe, Asia, Canada, and Latin America. The company operates through Life Science and Clinical Diagnostics segments. The Life Science segment develops, manufactures, and markets a range of reagents, apparatus, an...
More about BIO
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