Tocqueville Asset Management’s PTC Therapeutics PTCT Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q2	–	Sell	-55,350	Closed	-$545K	–	822
2017 Q1	$545K	Sell	55,350 -730,625	-93%	-$8.84M	0.01%	571
2016 Q4	$8.57M	Sell	785,975 -388,755	-33%	-$4.08M	0.11%	212
2016 Q3	$16.5M	Sell	1,174,730 -225,913	-16%	-$1.84M	0.2%	135
2016 Q2	$9.83M	Sell	1,400,643 -87,355	-6%	-$641K	0.12%	197
2016 Q1	$9.58M	Buy	1,487,998 +516,205	+53%	+$8.96M	0.13%	184
2015 Q4	$31.5M	Buy	971,793 +216,065	+29%	+$6.36M	0.43%	63
2015 Q3	$20.2M	Buy	755,728 +178,350	+31%	+$7.63M	0.27%	118
2015 Q2	$27.8M	Buy	577,378 +5,955	+1%	+$347K	0.33%	93
2015 Q1	$34.8M	Sell	571,423 -31,885	-5%	-$1.95M	0.41%	74
2014 Q4	$31.2M	Buy	603,308 +32,008	+6%	+$1.41M	0.34%	98
2014 Q3	$25.1M	Buy	571,300 +299,487	+110%	+$9.37M	0.28%	120
2014 Q2	$7.11M	Buy	271,813 +197,313	+265%	+$4.22M	0.07%	261
2014 Q1	$1.95M	Buy	74,500 +9,450	+15%	+$254K	0.03%	383
2013 Q4	$1.1M	Buy	65,050 +16,200	+33%	+$285K	0.01%	434
2013 Q3	$1.05M	Buy	+48,850	New	+$849K	0.01%	505