BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/B CUSIP: 084670702 Class: Common Stock

EQUITEC PROPRIETARY MARKETS, LLC's Holding History (CIK: 0001143261)

Note: Option positions (PUT/CALL) are excluded.

Q4 2014

Shares 16,462 Value ($000) $2,472 Avg Close $144.37 Range $132.03 - $152.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	16,462	$2,472	$144.37	$132.03 - $152.94