| SC 13D/A | 2013-11-15 | SCHWARTZ ALICE N | BIO RAD LABORATORIES INC | 4,600,180 | 90.4% | EDGAR |
| SC 13G/A | 2013-01-29 | EATON VANCE MANAGEMENT | BIO RAD LABORATORIES INC | 1,606,171 | 6.9% | EDGAR |
| SC 13G/A | 2013-01-09 | EATON VANCE MANAGEMENT | BIO RAD LABORATORIES INC | 2,404,565 | 10.3% | EDGAR |
| SC 13G/A | 2013-01-04 | ROYCE & ASSOCIATES LLC | BIO RAD LABORATORIES INC | 1,490,943 | 6.4% | EDGAR |
| SC 13G/A | 2012-02-14 | ARIEL INVESTMENTS, LLC | BIO RAD LABORATORIES INC | - | - | EDGAR |
| SC 13G/A | 2012-02-09 | TimesSquare Capital Management, LLC | BIO RAD LABORATORIES INC | 512,245 | 2.3% | EDGAR |
| SC 13G | 2012-01-10 | EATON VANCE MANAGEMENT | BIO RAD LABORATORIES INC | 1,744,163 | 7.6% | EDGAR |
| SC 13G | 2012-01-09 | ROYCE & ASSOCIATES LLC | BIO RAD LABORATORIES INC | 1,347,550 | 5.9% | EDGAR |
| SC 13D/A | 2011-12-14 | SCHWARTZ DAVID | BIO RAD LABORATORIES INC | 2,807,223 | 12.2% | EDGAR |
| SC 13G/A | 2011-02-14 | ARIEL INVESTMENTS, LLC | BIO RAD LABORATORIES INC | - | - | EDGAR |
| SC 13G/A | 2011-02-09 | TimesSquare Capital Management, LLC | BIO RAD LABORATORIES INC | 1,135,545 | 5.0% | EDGAR |
| SC 13G/A | 2010-09-10 | BlackRock Inc. | BIO RAD LABORATORIES INC | 1,120,332 | 5.0% | EDGAR |
| SC 13G/A | 2010-03-18 | ARIEL INVESTMENTS, LLC | BIO RAD LABORATORIES INC | - | - | EDGAR |
| SC 13G/A | 2010-02-12 | ARIEL INVESTMENTS, LLC | BIO RAD LABORATORIES INC | - | - | EDGAR |
| SC 13G | 2010-02-09 | TimesSquare Capital Management, LLC | BIO RAD LABORATORIES INC | 1,118,145 | 5.0% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | BIO RAD LABORATORIES INC | 1,367,656 | 6.1% | EDGAR |
| SC 13D/A | 2009-08-27 | SCHWARTZ DAVID | BIO RAD LABORATORIES INC | 4,652,888 | 87.9% | EDGAR |
| SC 13G/A | 2009-02-13 | ARIEL INVESTMENTS, LLC | BIO RAD LABORATORIES INC | - | - | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | BIO RAD LABORATORIES INC | 546,858 | 2.5% | EDGAR |
| SC 13G/A | 2008-02-14 | PRIVATE CAPITAL MANAGEMENT | BIO RAD LABORATORIES INC | 19 | 1.9% | EDGAR |