BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 165,107 Value ($000) $50,026 Avg Close $312.04 Range $280.61 - $343.12
Q3 2025
Shares 155,524 Value ($000) $43,607 Avg Close $272.13 Range $237.63 - $308.44
Q2 2025
Shares 139,505 Value ($000) $33,665 Avg Close $236.40 Range $211.43 - $260.00
Q1 2025
Shares 134,671 Value ($000) $32,800 Avg Close $300.83 Range $235.84 - $373.69
Q4 2024
Shares 264,605 Value ($000) $86,925 Avg Close $339.43 Range $306.42 - $387.99
Q3 2024
Shares 252,769 Value ($000) $84,571 Avg Close $317.61 Range $262.12 - $353.09
Q2 2024
Shares 243,185 Value ($000) $66,416 Avg Close $290.85 Range $266.52 - $346.83
Q1 2024
Shares 230,509 Value ($000) $79,726 Avg Close $328.84 Range $302.65 - $364.24
Q4 2023
Shares 247,210 Value ($000) $79,822 Avg Close $313.43 Range $261.59 - $366.30
Q3 2023
Shares 362,328 Value ($000) $129,877 Avg Close $385.83 Range $349.27 - $431.79
Q2 2023
Shares 403,812 Value ($000) $153,093 Avg Close $406.95 Range $356.51 - $494.05
Q1 2023
Shares 385,656 Value ($000) $184,737 Avg Close $468.12 Range $415.04 - $509.62
Q4 2022
Shares 389,504 Value ($000) $163,783 Avg Close $403.63 Range $344.63 - $457.93
Q3 2022
Shares 361,115 Value ($000) $150,636 Avg Close $498.57 Range $406.24 - $572.70
Q2 2022
Shares 360,188 Value ($000) $178,293 Avg Close $520.81 Range $462.61 - $607.54
Q1 2022
Shares 341,832 Value ($000) $192,530 Avg Close $602.81 Range $524.19 - $752.17
Q4 2021
Shares 331,719 Value ($000) $250,637 Avg Close $748.36 Range $703.67 - $798.97
Q3 2021
Shares 349,683 Value ($000) $260,846 Avg Close $749.10 Range $644.34 - $832.70
Q2 2021
Shares 406,272 Value ($000) $261,757 Avg Close $608.62 Range $569.46 - $657.79
Q1 2021
Shares 404,467 Value ($000) $231,019 Avg Close $592.18 Range $545.00 - $689.00
Q4 2020
Shares 412,062 Value ($000) $240,207 Avg Close $569.50 Range $507.22 - $648.39
Q3 2020
Shares 298,033 Value ($000) $153,624 Avg Close $506.50 Range $443.80 - $540.06
Q2 2020
Shares 355,370 Value ($000) $160,446 Avg Close $441.30 Range $330.00 - $497.42
Q1 2020
Shares 389,898 Value ($000) $136,683 Avg Close $367.68 Range $309.38 - $413.02
Q4 2019
Shares 460,629 Value ($000) $170,447 Avg Close $352.55 Range $319.26 - $376.43
Q3 2019
Shares 411,912 Value ($000) $137,060 Avg Close $326.21 Range $303.82 - $348.39
Q2 2019
Shares 359,612 Value ($000) $112,411 Avg Close $299.43 Range $281.66 - $319.99
Q1 2019
Shares 376,471 Value ($000) $115,080 Avg Close $269.86 Range $223.89 - $323.95
Q4 2018
Shares 376,018 Value ($000) $87,319 Avg Close $268.31 Range $220.05 - $315.00
Q3 2018
Shares 346,753 Value ($000) $108,530 Avg Close $310.39 Range $285.83 - $345.15
Q2 2018
Shares 261,562 Value ($000) $75,471 Avg Close $276.12 Range $240.01 - $304.36
Q1 2018
Shares 248,444 Value ($000) $62,131 Avg Close $254.62 Range $231.00 - $279.59
Q4 2017
Shares 149,043 Value ($000) $35,572 Avg Close $242.32 Range $214.44 - $273.87
Q3 2017
Shares 99,788 Value ($000) $22,175 Avg Close $225.03 Range $208.95 - $242.79