OSI SYSTEMS INC filings

SEC filings by OSI SYSTEMS INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-13VANGUARD GROUP INCOSI SYSTEMS INC2,097,87512.4%EDGAR
SC 13G/A2024-02-13JANUS HENDERSON GROUP PLCOSI SYSTEMS INC1,230,2067.2%EDGAR
SC 13G/A2024-01-22BlackRock Inc.OSI SYSTEMS INC2,644,39015.6%EDGAR
SC 13G/A2023-02-10JANUS HENDERSON GROUP PLCOSI SYSTEMS INC1,832,33210.9%EDGAR
SC 13G/A2023-02-09VANGUARD GROUP INCOSI SYSTEMS INC1,862,54011.0%EDGAR
SC 13G2023-01-23BlackRock Inc.OSI SYSTEMS INC3,293,58719.5%EDGAR
SC 13G/A2022-02-10VANGUARD GROUP INCOSI SYSTEMS INC1,857,66410.4%EDGAR
SC 13G/A2022-02-10JANUS HENDERSON GROUP PLCOSI SYSTEMS INC1,823,79810.2%EDGAR
SC 13G/A2022-01-27BlackRock Inc.OSI SYSTEMS INC3,437,18319.2%EDGAR
SC 13G2022-01-26BlackRock Inc.OSI SYSTEMS INC3,437,18319.2%EDGAR
SC 13G/A2021-07-12VANGUARD GROUP INCOSI SYSTEMS INC1,838,39910.2%EDGAR
SC 13G/A2021-02-12DIMENSIONAL FUND ADVISORS LPOSI SYSTEMS INC876,5044.9%EDGAR
SC 13G/A2021-02-11JANUS HENDERSON GROUP PLCOSI SYSTEMS INC1,834,88710.2%EDGAR
SC 13G/A2021-02-10VANGUARD GROUP INCOSI SYSTEMS INC1,720,8469.6%EDGAR
SC 13G/A2021-01-25BlackRock Inc.OSI SYSTEMS INC3,440,09619.2%EDGAR
SC 13G/A2020-04-09JANUS HENDERSON GROUP PLCOSI SYSTEMS INC1,834,46610.0%EDGAR
SC 13G/A2020-02-13JANUS HENDERSON GROUP PLCOSI SYSTEMS INC1,823,6469.9%EDGAR
SC 13G/A2020-02-13CREDIT SUISSE AG/OSI SYSTEMS INC384,923209.0%EDGAR
SC 13G/A2020-02-12VANGUARD GROUP INCOSI SYSTEMS INC1,915,15310.4%EDGAR
SC 13G/A2020-02-12DIMENSIONAL FUND ADVISORS LPOSI SYSTEMS INC1,020,8785.6%EDGAR