Berkshire Hathaway filings

This page lists the SEC filings reported by Berkshire Hathaway.

SEC filings by Berkshire Hathaway (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2009-05-29BERKSHIRE HATHAWAY INCNalco Holding CO8,739,1006.3%EDGAR
SC 13D/A2009-03-06CASCADE INVESTMENT LLCBERKSHIRE HATHAWAY INC121,5000.8%EDGAR
SC 13G/A2009-02-17BERKSHIRE HATHAWAY INCWELLS FARGO & CO/MN314,632,0687.4%EDGAR
SC 13G/A2009-02-17BERKSHIRE HATHAWAY INCKRAFT FOODS INC138,272,5009.4%EDGAR
SC 13G2009-02-17BERKSHIRE HATHAWAY INCCONOCOPHILLIPS84,896,2735.7%EDGAR
SC 13D/A2009-02-11BERKSHIRE HATHAWAY INCUSG CORP43,387,98134.6%EDGAR
SC 13G2009-02-11BERKSHIRE HATHAWAY INCGOLDMAN SACHS GROUP INC43,478,2608.6%EDGAR
SC 13D2009-01-23BERKSHIRE HATHAWAY INCMOODYS CORP /DE/48,000,00020.0%EDGAR
SC 13D/A2009-01-22BERKSHIRE HATHAWAY INCBURLINGTON NORTHERN SANTA FE CORP74,452,02922.0%EDGAR
SC 13D2008-12-15BERKSHIRE HATHAWAY INCBURLINGTON NORTHERN SANTA FE CORP70,089,02920.5%EDGAR
SC 13G/A2008-11-03BERKSHIRE HATHAWAY INCWHITE MOUNTAINS INSURANCE GROUP LTD89,2791.0%EDGAR
SC 13D/A2008-07-07BUFFETT WARREN EBERKSHIRE HATHAWAY INC350,00032.6%EDGAR
SC 13D/A2008-07-03CASCADE INVESTMENT LLCBERKSHIRE HATHAWAY INC121,5000.8%EDGAR
SC 13D/A2008-03-20BILL & MELINDA GATES FOUNDATION TRUSTBERKSHIRE HATHAWAY INC975,0006.9%EDGAR
SC 13G/A2008-02-14BERKSHIRE HATHAWAY INCTRANE INC.10,962,4005.7%EDGAR
SC 13G/A2008-02-14BERKSHIRE HATHAWAY INCWELLS FARGO & CO/MN311,407,0689.4%EDGAR
SC 13G2008-02-14BERKSHIRE HATHAWAY INCCARMAX INC21,000,0009.6%EDGAR
SC 13G2008-02-14BERKSHIRE HATHAWAY INCKRAFT FOODS INC132,393,8008.6%EDGAR
SC 13G/A2007-10-10BERKSHIRE HATHAWAY INCPETROCHINA CO LTD03.1%EDGAR
SC 13G/A2007-10-05BERKSHIRE HATHAWAY INCBURLINGTON NORTHERN SANTA FE CORP60,828,81817.2%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.