Ellington Management Group’s InterDigital IDCC Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q2	–	Sell	-9,000	Closed	-$402K	–	224
2020 Q1	$402K	Buy	+9,000	New	+$474K	0.12%	274
2019 Q2	–	Sell	-3,271	Closed	-$216K	–	675
2019 Q1	$216K	Buy	+3,271	New	+$227K	0.05%	458
2018 Q2	–	Sell	-22,600	Closed	-$1.66M	–	650
2018 Q1	$1.66M	Buy	22,600 +19,000	+528%	+$1.45M	0.25%	93
2017 Q4	$274K	Buy	+3,600	New	+$269K	0.08%	396
2017 Q3	–	Sell	-5,100	Closed	-$394K	–	730
2017 Q2	$394K	Sell	5,100 -3,600	-41%	-$302K	0.11%	318
2017 Q1	$751K	Buy	+8,700	New	+$782K	0.19%	176
2016 Q4	–	Sell	-7,000	Closed	-$554K	–	663
2016 Q3	$554K	Buy	+7,000	New	+$467K	0.15%	242
2016 Q2	–	Sell	-5,100	Closed	-$284K	–	357
2016 Q1	$284K	Buy	+5,100	New	+$246K	0.12%	251
2015 Q3	–	Sell	-13,484	Closed	-$767K	–	789
2015 Q2	$767K	Buy	13,484 +7,184	+114%	+$401K	0.19%	140
2015 Q1	$320K	Buy	+6,300	New	+$327K	0.07%	446
2014 Q4	–	Sell	-12,500	Closed	-$498K	–	593
2014 Q3	$498K	Buy	+12,500	New	+$550K	0.34%	50
2013 Q4	–	Sell	-31,600	Closed	-$1.18M	–	660
2013 Q3	$1.18M	Buy	+31,600	New	+$1.19M	0.22%	90