New Amsterdam Partners’s InterDigital IDCC Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q1	$2.76M	Sell	41,837 -1,251	-3%	-$87K	1.01%	39
2018 Q4	$2.86M	Sell	43,088 -371	-0.9%	-$27K	0.94%	43
2018 Q3	$3.48M	Sell	43,459 -8,476	-16%	-$695K	0.89%	48
2018 Q2	$4.2M	Sell	51,935 -10,360	-17%	-$824K	0.99%	39
2018 Q1	$4.58M	Sell	62,295 -2,463	-4%	-$189K	1%	42
2017 Q4	$4.93M	Buy	64,758 +1,818	+3%	+$136K	0.99%	47
2017 Q3	$4.64M	Sell	62,940 -827	-1%	-$60.5K	0.97%	44
2017 Q2	$4.93M	Buy	63,767 +9,664	+18%	+$810K	1.05%	44
2017 Q1	$4.67M	Sell	54,103 -2,975	-5%	-$267K	1.11%	46
2016 Q4	$5.21M	Sell	57,078 -451	-0.8%	-$36.2K	1.18%	32
2016 Q3	$4.56M	Buy	+57,529	New	+$3.84M	1.05%	43