CHICAGO RIVET & MACH CO filings

SEC filings by CHICAGO RIVET & MACH CO (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-09DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO63,2196.5%EDGAR
SC 13G/A2023-02-13RENAISSANCE TECHNOLOGIES LLCCHICAGO RIVET & MACHINE CO38,2104.0%EDGAR
SC 13G/A2023-02-10DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO68,3687.1%EDGAR
SC 13G/A2022-02-11RENAISSANCE TECHNOLOGIES LLCCHICAGO RIVET & MACHINE CO53,1105.5%EDGAR
SC 13G/A2022-02-08DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO68,6337.1%EDGAR
SC 13G/A2021-02-12DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO73,6357.6%EDGAR
SC 13G/A2021-02-11RENAISSANCE TECHNOLOGIES LLCCHICAGO RIVET & MACHINE CO55,8105.8%EDGAR
SC 13G/A2020-02-13RENAISSANCE TECHNOLOGIES LLCCHICAGO RIVET & MACHINE CO62,4106.5%EDGAR
SC 13G/A2020-02-12DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO76,0127.9%EDGAR
SC 13D/A2019-06-21SEOUL METAL HOLDINGS Co., LTD.CHICAGO RIVET & MACHINE CO45,5124.7%EDGAR
SC 13G/A2019-02-13RENAISSANCE TECHNOLOGIES LLCCHICAGO RIVET & MACHINE CO62,5006.5%EDGAR
SC 13G/A2019-02-08DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO77,6808.0%EDGAR
SC 13G/A2018-02-14RENAISSANCE TECHNOLOGIES LLCCHICAGO RIVET & MACHINE CO61,5006.4%EDGAR
SC 13G/A2018-02-09DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO79,8388.3%EDGAR
SC 13D2017-03-06SEOUL METAL HOLDINGS CO., LTD.CHICAGO RIVET & MACHINE CO59,2965.2%EDGAR
SC 13G/A2017-02-14RENAISSANCE TECHNOLOGIES LLCCHICAGO RIVET & MACHINE CO58,1006.0%EDGAR
SC 13G/A2017-02-09DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO80,8488.4%EDGAR
SC 13G2016-02-12RENAISSANCE TECHNOLOGIES LLCCHICAGO RIVET & MACHINE CO52,7005.4%EDGAR
SC 13G/A2016-02-09DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO80,6718.4%EDGAR
SC 13G/A2015-02-17PIPER JAFFRAY COMPANIESCHICAGO RIVET & MACHINE CO28,2552.9%EDGAR