UBS AG

BAHNHOFSTRASSE 45, ZURICH, , CH 8001, (203) 719-5241

Report Date: 03/31/2013

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Company	Class	Value of Shares ($1,000s)	Change in Value ($1,000s)	Change (%)	Shares Held
NORWEGIAN CRUISE LINE HLDGS LT	SHS	695	695	New	21,707
BARCLAYS BANK PLC	ETN DJUBS ENRG37	615	615	New	33,901
POWERSHARES ETF TR II	EM MRK LOW VOL	512	512	New	17,242
HOMEAWAY INC	COM	425	425	New	13,693
RUCKUS WIRELESS INC	COM	414	414	New	32,284
PROSHARES TR	ULTR 7-10 TREA	349	349	New	6,130
FIRST TR EXCHANGE TRADED FD II	AUTO INDEX FD	348	348	New	9,501
ASSISTED LIVING CONCPT NEV NEW	CL A NEW	347	347	New	29,332
GLOBAL X FDS	GLBL X MLP ETF	339	339	New	20,682
RYDEX ETF TRUST	GUG RUSS MCP EQL	325	325	New	7,726
PERFORMANT FINL CORP	COM	318	318	New	31,501
PROSHARES TR	PSHS ULTRUSS2000	291	291	New	4,634
PROOFPOINT INC	COM	284	284	New	15,017
ACTIVE POWER INC	COM NEW	259	259	New	58,971
BABSON CAP GLB SHT DURHGH YLD	COM	233	233	New	9,284
SPROTT PHYSICAL PLAT PALLAD TS	UNIT	231	231	New	25,000
VIPSHOP HLDGS LTD	SPONSORED ADR	215	215	New	5,890
TRI POINTE HOMES INC	COM	203	203	New	11,275
CLAYMORE EXCHANGE TRD FD TR	GUG BLT2018 HY	203	203	New	7,500
PRUDENTIAL GLB SHT DUR HG YLD	COM	201	201	New	10,900