BlackRock Funds US Opport A

Detwiler Fenton Investment Management LLC

Report date

6/30/2010

Quarter

2010 Q2

Filed

4/16/2014

Shares

37,491

Value ($000)

1,146

Weight

1.5%

2009 Q4 - 2010 Q2 (3 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2010 Q2	4/16/2014	1,146	1.5%	37,491	6/30/2010
2010 Q1	4/16/2014	1,273	1.2%	37,376	3/31/2010
2009 Q4	4/16/2014	1,431	1.3%	44,738	12/31/2009