Berkshire Fund VIII, L.P. is 10% Owner at MATTRESS FIRM HOLDING CORP. (MFRM). They have made 2 open-market trades across 1 company since 2016, most recently 2021-10-25.
CIK 0001514470
2 open-market purchases totalling $14.9M since 2016, never a sale. Too few scored purchases to measure a record yet.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.