| SC 13G/A | 2011-02-14 | FMR LLC | CEPHEID | 7,835,824 | 13.0% | EDGAR |
| SC 13G/A | 2011-02-14 | CADIAN CAPITAL MANAGEMENT, LLC | CEPHEID | 2,190,496 | 3.6% | EDGAR |
| SC 13G/A | 2011-02-10 | OPPENHEIMER FUNDS INC | CEPHEID | 4,348,130 | 7.2% | EDGAR |
| SC 13G/A | 2011-02-10 | COLUMBIA WANGER ASSET MANAGEMENT LLC | CEPHEID | 3,066,200 | 5.0% | EDGAR |
| SC 13G | 2011-02-10 | VANGUARD GROUP INC | CEPHEID | 3,047,482 | 5.0% | EDGAR |
| SC 13G/A | 2011-02-04 | RIVERBRIDGE PARTNERS LLC | CEPHEID | 4,337,294 | 7.2% | EDGAR |
| SC 13G/A | 2011-02-03 | BlackRock Inc. | CEPHEID | 4,008,279 | 6.6% | EDGAR |
| SC 13G | 2010-07-30 | CADIAN CAPITAL MANAGEMENT, LLC | CEPHEID | 3,206,207 | 5.4% | EDGAR |
| SC 13G/A | 2010-02-16 | FMR LLC | CEPHEID | 7,278,975 | 12.4% | EDGAR |
| SC 13G/A | 2010-02-11 | MUNDER CAPITAL MANAGEMENT | CEPHEID | 3,300 | 0.0% | EDGAR |
| SC 13G/A | 2010-02-09 | STATE STREET BANK & TRUST CO | CEPHEID | 1,588,665 | 2.7% | EDGAR |
| SC 13G/A | 2010-02-09 | COLUMBIA WANGER ASSET MANAGEMENT LP | CEPHEID | 3,302,200 | 5.6% | EDGAR |
| SC 13G | 2010-02-02 | RIVERBRIDGE PARTNERS LLC | CEPHEID | 4,318,123 | 7.4% | EDGAR |
| SC 13G/A | 2010-02-01 | OPPENHEIMER FUNDS INC | CEPHEID | 4,003,300 | 6.8% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | CEPHEID | 3,974,793 | 6.8% | EDGAR |
| SC 13G/A | 2009-06-10 | FMR LLC | CEPHEID | 6,352,885 | 11.0% | EDGAR |
| SC 13G/A | 2009-02-17 | FMR LLC | CEPHEID | 3,436,475 | 6.0% | EDGAR |
| SC 13G/A | 2009-02-13 | AXA FINANCIAL INC | CEPHEID | 1,936,168 | 3.4% | EDGAR |
| SC 13G | 2009-02-13 | STATE STREET BANK & TRUST CO | CEPHEID | 3,182,765 | 5.5% | EDGAR |
| SC 13G | 2009-02-12 | MUNDER CAPITAL MANAGEMENT | CEPHEID | 3,138,605 | 5.4% | EDGAR |