Columbia Partners Investment Management’s Ambarella AMBA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q3	–	Sell	-26,332	Closed	-$1.28M	–	242
2017 Q2	$1.28M	Sell	26,332 -21,314	-45%	-$1.18M	0.16%	169
2017 Q1	$2.61M	Sell	47,646 -63,456	-57%	-$3.42M	0.33%	94
2016 Q4	$6.01M	Sell	111,102 -9,382	-8%	-$566K	0.54%	58
2016 Q3	$8.87M	Buy	120,484 +78,560	+187%	+$4.92M	0.69%	35
2016 Q2	$2.13M	Hold	41,924	–	–	0.16%	182
2016 Q1	$1.87M	Sell	41,924 -46,707	-53%	-$1.93M	0.13%	201
2015 Q4	$4.94M	Sell	88,631 -68,847	-44%	-$3.88M	0.34%	108
2015 Q3	$9.1M	Sell	157,478 -41,337	-21%	-$3.9M	0.64%	47
2015 Q2	$20.4M	Sell	198,815 -171,770	-46%	-$15M	1.26%	7
2015 Q1	$28.1M	Sell	370,585 -224,989	-38%	-$13.7M	1.49%	5
2014 Q4	$30.2M	Sell	595,574 -161,465	-21%	-$7.54M	1.56%	5
2014 Q3	$33.1M	Sell	757,039 -114,525	-13%	-$3.79M	1.69%	6
2014 Q2	$27.2M	Buy	871,564 +49,619	+6%	+$1.31M	1.26%	8
2014 Q1	$22M	Sell	821,945 -77,716	-9%	-$2.38M	0.96%	15
2013 Q4	$30.5M	Buy	899,661 +265,157	+42%	+$6.08M	1.31%	8
2013 Q3	$12.4M	Buy	634,504 +52,140	+9%	+$887K	0.55%	46
2013 Q2	$9.8M	Buy	+582,364	New	+$8.84M	0.46%	70