Portolan Capital Management, LLC Bio Rad Laboratories, Inc. Transaction History

Portolan Capital Management, LLC

  • $1.29 Billion
  • Q1 2024

A detailed history of Portolan Capital Management, LLC transactions in Bio Rad Laboratories, Inc. stock. As of the latest transaction made, Portolan Capital Management, LLC holds 90,992 shares of BIO stock, worth $24.9 Million. This represents 2.45% of its overall portfolio holdings.

Number of Shares
90,992
Previous 57,274 58.87%
Holding current value
$24.9 Million
Previous $18.5 Million 70.18%
% of portfolio
2.45%
Previous 1.65%

Shares

27 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 15, 2024
BUY
$304.11 - $351.99 $10.3 Million - $11.9 Million
33,718 Added 58.87%
90,992 $31.5 Million
Q4 2023

Feb 14, 2024
BUY
$269.37 - $365.04 $3.98 Million - $5.4 Million
14,788 Added 34.81%
57,274 $18.5 Million
Q3 2023

Nov 14, 2023
SELL
$350.25 - $422.63 $7.9 Million - $9.53 Million
-22,553 Reduced 34.68%
42,486 $15.2 Million
Q2 2023

Aug 14, 2023
BUY
$359.49 - $486.4 $3.84 Million - $5.19 Million
10,679 Added 19.64%
65,039 $24.7 Million
Q1 2023

May 15, 2023
SELL
$418.69 - $503.0 $3.22 Million - $3.87 Million
-7,693 Reduced 12.4%
54,360 $26 Million
Q4 2022

Feb 13, 2023
BUY
$351.71 - $456.01 $6.02 Million - $7.81 Million
17,126 Added 38.12%
62,053 $26.1 Million
Q3 2022

Nov 14, 2022
BUY
$412.59 - $563.26 $1.22 Million - $1.67 Million
2,965 Added 7.07%
44,927 $18.7 Million
Q2 2022

Aug 15, 2022
BUY
$463.67 - $597.16 $3.55 Million - $4.57 Million
7,659 Added 22.33%
41,962 $20.8 Million
Q1 2022

May 16, 2022
BUY
$524.57 - $735.42 $7.65 Million - $10.7 Million
14,582 Added 73.94%
34,303 $19.3 Million
Q4 2021

Feb 14, 2022
SELL
$708.84 - $794.68 $3.7 Million - $4.15 Million
-5,222 Reduced 20.94%
19,721 $14.9 Million
Q3 2021

Nov 15, 2021
BUY
$657.71 - $825.77 $8.81 Million - $11.1 Million
13,394 Added 115.98%
24,943 $18.6 Million
Q2 2021

Aug 16, 2021
SELL
$576.64 - $649.04 $310,808 - $349,832
-539 Reduced 4.46%
11,549 $7.44 Million
Q1 2021

May 17, 2021
SELL
$547.01 - $662.35 $16,957 - $20,532
-31 Reduced 0.26%
12,088 $6.9 Million
Q4 2020

Feb 16, 2021
SELL
$510.68 - $643.45 $2.93 Million - $3.69 Million
-5,738 Reduced 32.13%
12,119 $7.07 Million
Q3 2020

Nov 16, 2020
SELL
$454.43 - $535.6 $8.31 Million - $9.79 Million
-18,278 Reduced 50.58%
17,857 $9.21 Million
Q2 2020

Aug 14, 2020
SELL
$334.87 - $493.06 $9.89 Million - $14.6 Million
-29,521 Reduced 44.96%
36,135 $16.3 Million
Q1 2020

May 14, 2020
SELL
$320.01 - $409.07 $4.86 Million - $6.21 Million
-15,185 Reduced 18.78%
65,656 $23 Million
Q4 2019

Feb 14, 2020
BUY
$319.73 - $374.2 $334,437 - $391,413
1,046 Added 1.31%
80,841 $29.9 Million
Q3 2019

Nov 14, 2019
SELL
$304.55 - $345.24 $1.54 Million - $1.74 Million
-5,053 Reduced 5.96%
79,795 $26.6 Million
Q2 2019

Aug 14, 2019
BUY
$286.93 - $312.59 $1.31 Million - $1.42 Million
4,557 Added 5.68%
84,848 $26.5 Million
Q1 2019

May 15, 2019
BUY
$224.3 - $317.41 $7.6 Million - $10.8 Million
33,903 Added 73.09%
80,291 $24.5 Million
Q4 2018

Feb 13, 2019
SELL
$220.1 - $309.0 $1.32 Million - $1.85 Million
-6,002 Reduced 11.46%
46,388 $10.8 Million
Q3 2018

Nov 14, 2018
SELL
$289.28 - $326.15 $400,652 - $451,717
-1,385 Reduced 2.58%
52,390 $16.4 Million
Q2 2018

Aug 14, 2018
SELL
$244.1 - $303.88 $594,383 - $739,947
-2,435 Reduced 4.33%
53,775 $15.5 Million
Q1 2018

May 14, 2018
SELL
$233.97 - $274.11 $3.01 Million - $3.53 Million
-12,870 Reduced 18.63%
56,210 $14.1 Million
Q4 2017

Feb 14, 2018
SELL
$216.94 - $271.3 $1.85 Million - $2.31 Million
-8,527 Reduced 10.99%
69,080 $16.5 Million
Q3 2017

Nov 14, 2017
BUY
$212.27 - $242.28 $16.5 Million - $18.8 Million
77,607
77,607 $17.2 Million

Others Institutions Holding BIO

# of Institutions
489
Shares Held
17.8M
Call Options Held
44.9K
Put Options Held
79.7K
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 $6.73B
  • 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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