WESTFIELD CAPITAL MANAGEMENT CO LP filings

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This page lists the SEC filings reported by WESTFIELD CAPITAL MANAGEMENT CO LP.

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SEC filings by WESTFIELD CAPITAL MANAGEMENT CO LP (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-04-04WESTFIELD CAPITAL MANAGEMENT CO LPMural Oncology plc1,548,4189.2%EDGAR
SC 13G/A2024-02-02WESTFIELD CAPITAL MANAGEMENT CO LPAscendis Pharma A/S4,030,6347.0%EDGAR
SC 13G2024-01-10WESTFIELD CAPITAL MANAGEMENT CO LPMural Oncology plc1,985,88611.9%EDGAR
SC 13G/A2023-07-05WESTFIELD CAPITAL MANAGEMENT CO LPIRONWOOD PHARMACEUTICALS INC00.0%EDGAR
SC 13G/A2023-02-02WESTFIELD CAPITAL MANAGEMENT CO LPInnoviva, Inc.4,106,1365.9%EDGAR
SC 13G2023-02-02WESTFIELD CAPITAL MANAGEMENT CO LPAscendis Pharma A/S3,158,1685.5%EDGAR
SC 13G/A2022-02-01WESTFIELD CAPITAL MANAGEMENT CO LPIRONWOOD PHARMACEUTICALS INC8,145,6745.0%EDGAR
SC 13G2022-02-01WESTFIELD CAPITAL MANAGEMENT CO LPInnoviva, Inc.3,683,4855.3%EDGAR
SC 13G/A2021-07-02WESTFIELD CAPITAL MANAGEMENT CO LPRUSH ENTERPRISES INC \TX\00.0%EDGAR
SC 13G/A2021-02-01WESTFIELD CAPITAL MANAGEMENT CO LPSITIME Corp00.0%EDGAR
SC 13G/A2021-01-07WESTFIELD CAPITAL MANAGEMENT CO LPSITIME Corp114,0140.7%EDGAR
SC 13G2021-01-07WESTFIELD CAPITAL MANAGEMENT CO LPIRONWOOD PHARMACEUTICALS INC8,488,0425.3%EDGAR
SC 13G/A2020-01-07WESTFIELD CAPITAL MANAGEMENT CO LPCorrevio Pharma Corp.00.0%EDGAR
SC 13G/A2020-01-07WESTFIELD CAPITAL MANAGEMENT CO LPMEDICINES CO /DE1,368,7201.7%EDGAR
SC 13G2020-01-07WESTFIELD CAPITAL MANAGEMENT CO LPSITIME Corp728,4975.1%EDGAR
SC 13G/A2019-09-04WESTFIELD CAPITAL MANAGEMENT CO LPCorrevio Pharma Corp.4,894,6859.7%EDGAR
SC 13G/A2019-04-05WESTFIELD CAPITAL MANAGEMENT CO LPCorrevio Pharma Corp.4,788,03212.2%EDGAR
SC 13G2019-02-07WESTFIELD CAPITAL MANAGEMENT CO LPMEDICINES CO /DE4,604,7196.2%EDGAR
SC 13G/A2018-07-03WESTFIELD CAPITAL MANAGEMENT CO LPCorrevio Pharma Corp.4,627,95413.3%EDGAR
SC 13G/A2018-05-02WESTFIELD CAPITAL MANAGEMENT CO LPCardiome Pharma Corp4,149,24411.9%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.