This page lists the SEC filings reported by WESTFIELD CAPITAL MANAGEMENT CO LP.
| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | PALOMAR MEDICAL TECHNOLOGIES INC | 830,775 | 4.6% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | NAVIGANT CONSULTING INC | 2,426,125 | 5.0% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | ELAN CORP PLC /ADR | 17,883,509 | 4.1% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | GENTIVA HEALTH SERVICES INC | 733,570 | 2.6% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | OSI PHARMACEUTICALS INC | 3,688,347 | 6.4% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | POWER INTEGRATIONS INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | ALEXION PHARMACEUTICALS INC | 3,770,943 | 4.8% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | SRA INTERNATIONAL INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | RBC Bearings INC | 1,445,762 | 6.6% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | SKILLSOFT PUBLIC LIMITED CO | 6,610,702 | 6.5% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | GEHL CO | 0 | 0.0% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | Nuance Communications, Inc. | 10,797,213 | 4.5% | EDGAR |
| SC 13G/A | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | ATMI INC | 2,031,098 | 6.3% | EDGAR |
| SC 13G | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | CARDIONET INC | 1,287,700 | 5.5% | EDGAR |
| SC 13G | 2009-02-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | MEDICINES CO /DE | 2,782,100 | 5.3% | EDGAR |
| SC 13G/A | 2009-01-09 | WESTFIELD CAPITAL MANAGEMENT CO LP | ADOLOR CORP | 6,268,255 | 13.5% | EDGAR |
| SC 13G/A | 2009-01-09 | WESTFIELD CAPITAL MANAGEMENT CO LP | SANTARUS INC | 8,006,181 | 15.5% | EDGAR |
| SC 13G/A | 2008-08-04 | WESTFIELD CAPITAL MANAGEMENT CO LP | Vanda Pharmaceuticals Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2008-07-03 | WESTFIELD CAPITAL MANAGEMENT CO LP | Vanda Pharmaceuticals Inc. | 2,855,600 | 10.7% | EDGAR |
- Form 13F-HR
- The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
- Form SC 13D/G
- Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
- Form 3, 4, and 5
- Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.