| SC 13G | 2015-02-04 | M&G INVESTMENT MANAGEMENT LTD | AFFYMETRIX INC | 5,236,210 | 7.1% | EDGAR |
| SC 13G/A | 2015-01-30 | LEVIN CAPITAL STRATEGIES, L.P. | AFFYMETRIX INC | 4,555,290 | 6.2% | EDGAR |
| SC 13G/A | 2015-01-09 | BlackRock Inc. | AFFYMETRIX INC | 7,774,626 | 10.6% | EDGAR |
| SC 13G/A | 2014-06-16 | WHV Investment Management, Inc. | AFFYMETRIX INC | 866,393 | 1.2% | EDGAR |
| SC 13G/A | 2014-02-18 | WHV Investment Management, Inc. | AFFYMETRIX INC | 3,115,675 | 3.3% | EDGAR |
| SC 13G/A | 2014-02-14 | PRIMECAP MANAGEMENT CO/CA/ | AFFYMETRIX INC | 10,666,640 | 14.8% | EDGAR |
| SC 13G | 2014-02-14 | TENOR CAPITAL MANAGEMENT Co., L.P. | AFFYMETRIX INC | 5,373,008 | 7.0% | EDGAR |
| SC 13G/A | 2014-02-13 | ORBIMED ADVISORS LLC | AFFYMETRIX INC | 1,560,000 | 2.2% | EDGAR |
| SC 13G/A | 2014-02-10 | VANGUARD GROUP INC | AFFYMETRIX INC | 2,914,031 | 4.0% | EDGAR |
| SC 13G/A | 2014-02-10 | DIMENSIONAL FUND ADVISORS LP | AFFYMETRIX INC | 4,442,853 | 6.2% | EDGAR |
| SC 13G/A | 2014-02-07 | APG Asset Management US Inc. | AFFYMETRIX INC | 3,390,100 | 4.7% | EDGAR |
| SC 13G/A | 2014-02-07 | APG Group | AFFYMETRIX INC | 3,390,100 | 4.7% | EDGAR |
| SC 13G/A | 2014-01-31 | LEVIN CAPITAL STRATEGIES, L.P. | AFFYMETRIX INC | 6,413,801 | 8.9% | EDGAR |
| SC 13G | 2014-01-17 | CITADEL ADVISORS LLC | AFFYMETRIX INC | - | 6.2% | EDGAR |
| SC 13G/A | 2014-01-10 | BlackRock Inc. | AFFYMETRIX INC | 9,633,092 | 13.4% | EDGAR |
| SC 13G/A | 2013-11-07 | PRIMECAP MANAGEMENT CO/CA/ | AFFYMETRIX INC | 10,671,240 | 14.9% | EDGAR |
| SC 13G/A | 2013-09-11 | PRIMECAP MANAGEMENT CO/CA/ | AFFYMETRIX INC | 7,341,440 | 10.3% | EDGAR |
| SC 13G/A | 2013-02-22 | VANGUARD GROUP INC | AFFYMETRIX INC | 4,218,924 | 6.0% | EDGAR |
| SC 13G/A | 2013-02-20 | APG Group | AFFYMETRIX INC | 3,776,100 | 5.3% | EDGAR |
| SC 13G/A | 2013-02-14 | PRIMECAP MANAGEMENT CO/CA/ | AFFYMETRIX INC | 6,991,040 | 9.9% | EDGAR |