| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | LAM RESEARCH CORP | 14,164,985 | 8.7% | EDGAR |
| SC 13G | 2018-02-08 | BlackRock Inc. | LAM RESEARCH CORP | 11,318,362 | 7.0% | EDGAR |
| SC 13G/A | 2017-07-10 | VANGUARD GROUP INC | LAM RESEARCH CORP | 16,162,079 | 10.0% | EDGAR |
| SC 13G | 2017-02-14 | FMR LLC | LAM RESEARCH CORP | 11,171,305 | 6.9% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | LAM RESEARCH CORP | 15,278,723 | 9.4% | EDGAR |
| SC 13G/A | 2017-02-10 | AMERIPRISE FINANCIAL INC | LAM RESEARCH CORP | 9,652,830 | 5.9% | EDGAR |
| SC 13G/A | 2017-01-25 | BlackRock Inc. | LAM RESEARCH CORP | 12,619,092 | 7.8% | EDGAR |
| SC 13G/A | 2016-12-06 | JPMORGAN CHASE & CO | LAM RESEARCH CORP | 6,694,110 | 4.0% | EDGAR |
| SC 13G/A | 2016-09-08 | JPMORGAN CHASE & CO | LAM RESEARCH CORP | - | - | EDGAR |
| SC 13G/A | 2016-02-12 | AMERIPRISE FINANCIAL INC | LAM RESEARCH CORP | 8,023,367 | 5.1% | EDGAR |
| SC 13G/A | 2016-02-10 | BlackRock Inc. | LAM RESEARCH CORP | 10,331,709 | 6.5% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | LAM RESEARCH CORP | 13,678,637 | 8.6% | EDGAR |
| SC 13G/A | 2016-01-19 | JPMORGAN CHASE & CO | LAM RESEARCH CORP | - | - | EDGAR |
| SC 13G/A | 2015-02-17 | AMERIPRISE FINANCIAL INC | LAM RESEARCH CORP | 8,305,880 | 5.2% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | LAM RESEARCH CORP | 12,200,295 | 7.7% | EDGAR |
| SC 13G/A | 2015-02-02 | BlackRock Inc. | LAM RESEARCH CORP | 9,099,499 | 5.7% | EDGAR |
| SC 13G/A | 2015-01-15 | JPMORGAN CHASE & CO | LAM RESEARCH CORP | - | - | EDGAR |
| SC 13G/A | 2014-02-13 | GOLDMAN SACHS ASSET MANAGEMENT, L.P. | LAM RESEARCH CORP | 2,971,058 | 1.8% | EDGAR |
| SC 13G/A | 2014-02-13 | AMERIPRISE FINANCIAL INC | LAM RESEARCH CORP | 11,702,044 | 7.2% | EDGAR |
| SC 13G/A | 2014-02-11 | VANGUARD GROUP INC | LAM RESEARCH CORP | 11,166,924 | 6.9% | EDGAR |