B. Riley Wealth Management’s Ambarella AMBA Stock Holding History

B. Riley Wealth Management’s Portfolio AMBA Stock Details AMBA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q4	–	Sell	-5,400	Closed	-$312K	–	154
2015 Q3	$312K	Sell	5,400 -500	-8%	-$47.2K	0.44%	80
2015 Q2	$605K	Buy	5,900 +4,400	+293%	+$385K	0.48%	38
2015 Q1	$113K	Sell	1,500 -500	-25%	-$30.3K	0.09%	262
2014 Q4	$101K	Buy	+2,000	New	+$93.4K	0.08%	267
2014 Q2	–	Sell	-1,200	Closed	-$32K	–	1101
2014 Q1	$32K	Buy	+1,200	New	+$36.7K	0.02%	535

Other funds holding AMBA

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Coatue Management New York $48.6B AUM 94.27% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Lord, Abbett & Co Jersey City, New Jersey $34.9B AUM 72.7% 1-Year Est. Return

Eminence Capital New York $4.36B AUM 3.1% 1-Year Est. Return

GAM

Gotham Asset Management New York $43B AUM 34.97% 1-Year Est. Return

NSLI

Nan Shan Life Insurance Taipei City, Taiwan $3.19B AUM 24.42% 1-Year Est. Return

B. Riley Wealth Management's AMBA Position: Q4 2015 in Review

B. Riley Wealth Management sold out of Ambarella (AMBA) in Q4 2015, closing a stake of 5,400 shares — an estimated $312K sold.

B. Riley Wealth Management first reported a position in AMBA in Q1 2014 and held it in 5 quarters. The position peaked at $605K in Q2 2015. 241 funds tracked by Wall St. Rank hold AMBA as of Q4 2015.

B. Riley Wealth Management reported no remaining Ambarella position as of Q4 2015 after selling out during the quarter.
B. Riley Wealth Management sold 5,400 Ambarella shares in Q4 2015, an estimated $312K.
B. Riley Wealth Management first reported a position in Ambarella in Q1 2014 and held it in 5 quarters.
B. Riley Wealth Management's Ambarella position peaked at $605K in Q2 2015.
241 funds tracked by Wall St. Rank held Ambarella as of Q4 2015.

Based on B. Riley Wealth Management's 13F filing for Q4 2015, filed 8 Jan 2016.