| SC 13G/A | 2017-01-10 | PRICE T ROWE ASSOCIATES INC /MD/ | HOLOGIC INC | 43,383,414 | 15.5% | EDGAR |
| SC 13G/A | 2016-11-10 | Capital World Investors | HOLOGIC INC | 3,325,816 | 1.1% | EDGAR |
| SC 13G/A | 2016-10-11 | VANGUARD GROUP INC | HOLOGIC INC | 27,965,056 | 10.1% | EDGAR |
| SC 13G/A | 2016-06-10 | PRICE T ROWE ASSOCIATES INC /MD/ | HOLOGIC INC | 28,648,444 | 10.2% | EDGAR |
| SC 13D/A | 2016-04-13 | ICAHN CARL C | HOLOGIC INC | 2,046,988 | 0.7% | EDGAR |
| SC 13D/A | 2016-04-04 | ICAHN CARL C | HOLOGIC INC | 3,164,902 | 1.1% | EDGAR |
| SC 13D/A | 2016-03-29 | ICAHN CARL C | HOLOGIC INC | 3,834,256 | 1.4% | EDGAR |
| SC 13D/A | 2016-03-14 | ICAHN CARL C | HOLOGIC INC | 4,445,444 | 1.6% | EDGAR |
| SC 13D/A | 2016-03-04 | ICAHN CARL C | HOLOGIC INC | 5,066,119 | 1.8% | EDGAR |
| SC 13D/A | 2016-03-04 | ICAHN CARL C | HOLOGIC INC | - | - | EDGAR |
| SC 13G/A | 2016-02-16 | GROWTH FUND OF AMERICA | HOLOGIC INC | 12,766,895 | 4.5% | EDGAR |
| SC 13G/A | 2016-02-16 | Capital Research Global Investors | HOLOGIC INC | 25,889,985 | 9.2% | EDGAR |
| SC 13G/A | 2016-02-12 | Capital World Investors | HOLOGIC INC | 18,699,134 | 6.6% | EDGAR |
| SC 13G | 2016-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | HOLOGIC INC | 15,773,371 | 5.5% | EDGAR |
| SC 13G/A | 2016-02-11 | VANGUARD GROUP INC | HOLOGIC INC | 19,409,372 | 6.9% | EDGAR |
| SC 13G/A | 2016-02-10 | BlackRock Inc. | HOLOGIC INC | 19,764,033 | 7.0% | EDGAR |
| SC 13D/A | 2015-08-04 | ICAHN CARL C | HOLOGIC INC | 5,630,974 | 2.0% | EDGAR |
| SC 13G/A | 2015-02-13 | GROWTH FUND OF AMERICA | HOLOGIC INC | 16,681,300 | 5.9% | EDGAR |
| SC 13G/A | 2015-02-13 | Capital Research Global Investors | HOLOGIC INC | 34,025,145 | 12.2% | EDGAR |
| SC 13G/A | 2015-02-13 | Capital World Investors | HOLOGIC INC | 32,219,000 | 11.5% | EDGAR |