| SC 13G/A | 2003-02-12 | FRANKLIN RESOURCES INC | SEMTECH CORP | 8,869,672 | 11.9% | EDGAR |
| SC 13G | 2003-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | SEMTECH CORP | 6,262,000 | 8.5% | EDGAR |
| SC 13G/A | 2003-01-10 | FMR CORP | SEMTECH CORP | 5,453,626 | 7.4% | EDGAR |
| SC 13G/A | 2002-11-12 | FRANKLIN RESOURCES INC | SEMTECH CORP | 8,326,504 | 11.1% | EDGAR |
| SC 13G/A | 2002-10-10 | PUTNAM LLC | SEMTECH CORP | 3,597,367 | 4.8% | EDGAR |
| SC 13G/A | 2002-06-10 | PUTNAM LLC | SEMTECH CORP | 7,643,342 | 10.4% | EDGAR |
| SC 13G/A | 2002-03-11 | TCW GROUP INC | SEMTECH CORP | 2,876,771 | 4.1% | EDGAR |
| SC 13G/A | 2002-02-15 | PUTNAM INVESTMENTS LLC | SEMTECH CORP | 6,352,314 | 9.0% | EDGAR |
| SC 13G/A | 2002-02-14 | FMR CORP | SEMTECH CORP | 8,965,996 | 12.6% | EDGAR |
| SC 13G | 2002-02-14 | FRANKLIN RESOURCES INC | SEMTECH CORP | 3,710,517 | 5.3% | EDGAR |
| SC 13G/A | 2002-02-13 | TCW GROUP INC | SEMTECH CORP | 2,892,365 | 4.1% | EDGAR |
| SC 13G/A | 2002-02-11 | CAPITAL RESEARCH & MANAGEMENT CO | SEMTECH CORP | 3,300,030 | 4.6% | EDGAR |
| SC 13G/A | 2001-09-10 | FMR CORP | SEMTECH CORP | 7,743,870 | 11.2% | EDGAR |
| SC 13G/A | 2001-08-09 | JANUS CAPITAL CORP | SEMTECH CORP | 2,873,427 | 4.2% | EDGAR |
| SC 13G/A | 2001-04-20 | CHARTWELL INVESTMENT PARTNERS/PA | SEMTECH CORP | 745,615 | 2.3% | EDGAR |
| SC 13G/A | 2001-03-12 | JANUS CAPITAL CORP | SEMTECH CORP | 6,754,867 | 10.0% | EDGAR |
| SC 13G | 2001-02-15 | JANUS CAPITAL CORP | SEMTECH CORP | 5,199,777 | 7.7% | EDGAR |
| SC 13G | 2001-02-14 | FMR CORP | SEMTECH CORP | 3,542,680 | 5.3% | EDGAR |
| SC 13G | 2001-02-14 | TCW GROUP INC | SEMTECH CORP | 3,694,140 | 5.5% | EDGAR |
| SC 13G | 2001-02-12 | CAPITAL RESEARCH & MANAGEMENT CO | SEMTECH CORP | - | - | EDGAR |