| SC 13G | 2005-02-10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | CALPINE CORP | 38,802,927 | 7.2% | EDGAR |
| SC 13G | 2004-11-12 | ROTH MICHAEL | CALPINE CORP | 22,929,224 | 5.2% | EDGAR |
| SC 13G | 2004-10-06 | SATELLITE ASSET MANAGEMENT LP | CALPINE CORP | 43,610,376 | 8.9% | EDGAR |
| SC 13G | 2004-02-11 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | CALPINE CORP | 32,296,770 | 7.8% | EDGAR |
| SC 13G/A | 2004-02-04 | MELLON BANK N A | CALPINE CORP | 23,038,925 | 5.6% | EDGAR |
| SC 13G/A | 2003-02-12 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | CALPINE CORP | 26,255,630 | 6.9% | EDGAR |
| SC 13G/A | 2003-01-21 | MELLON FINANCIAL CORP | CALPINE CORP | 24,060,489 | 6.4% | EDGAR |
| SC 13G/A | 2002-02-12 | WELLINGTON MANAGEMENT CO LLP | CALPINE CORP | 10,000,880 | 3.3% | EDGAR |
| SC 13G/A | 2002-02-11 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | CALPINE CORP | 15,646,544 | 5.1% | EDGAR |
| SC 13G | 2002-01-25 | MELLON FINANCIAL CORP | CALPINE CORP | 16,970,026 | 5.6% | EDGAR |
| SC 13G/A | 2001-02-15 | PUTNAM INVESTMENTS INC | CALPINE CORP | 17,317,717 | 6.2% | EDGAR |
| SC 13G/A | 2001-02-14 | HARTFORD CAPITAL APPRECIATION HLS FUND INC | CALPINE CORP | - | - | EDGAR |
| SC 13G/A | 2001-02-13 | FMR CORP | CALPINE CORP | 6,722,540 | 2.4% | EDGAR |
| SC 13G/A | 2001-02-13 | WELLINGTON MANAGEMENT CO LLP | CALPINE CORP | 16,570,100 | 5.9% | EDGAR |
| SC 13G/A | 2001-02-09 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | CALPINE CORP | 191,171 | 5.7% | EDGAR |
| SC 13G/A | 2001-02-07 | MORGAN STANLEY DEAN WITTER & CO | CALPINE CORP | 11,915,346 | 4.2% | EDGAR |
| SC 13G/A | 2000-11-13 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-10-10 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-02-14 | OSTERWEIS CAPITAL MANAGEMENT INC | CALPINE CORP | 422,036 | 0.7% | EDGAR |
| SC 13G/A | 2000-02-14 | OSTERWEIS CAPITAL MANAGEMENT INC | CALPINE CORP | 422,036 | 0.7% | EDGAR |