Martingale Asset Management’s InterDigital IDCC Stock Holding History

Martingale Asset Management’s Portfolio IDCC Stock Details IDCC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q4	–	Sell	-2,900	Closed	-$411K	–	810
2024 Q3	$411K	Sell	2,900 -800	-22%	-$105K	0.01%	667
2024 Q2	$431K	Sell	3,700 -12,781	-78%	-$1.37M	0.01%	630
2024 Q1	$1.75M	Buy	+16,481	New	+$1.74M	0.04%	328
2022 Q4	–	Sell	-27,011	Closed	-$1.09M	–	854
2022 Q3	$1.09M	Buy	27,011 +16,301	+152%	+$879K	0.02%	416
2022 Q2	$652K	Buy	+10,710	New	+$657K	0.01%	585
2019 Q3	–	Sell	-8,305	Closed	-$535K	–	1016
2019 Q2	$535K	Sell	8,305 -46,901	-85%	-$3.13M	0.01%	875
2019 Q1	$3.64M	Sell	55,206 -8,400	-13%	-$584K	0.04%	453
2018 Q4	$4.23M	Buy	63,606 +32,001	+101%	+$2.33M	0.06%	357
2018 Q3	$2.53M	Buy	31,605 +13,300	+73%	+$1.09M	0.03%	490
2018 Q2	$1.48M	Buy	+18,305	New	+$1.46M	0.02%	639
2017 Q1	–	Sell	-22,700	Closed	-$2.07M	–	955
2016 Q4	$2.07M	Sell	22,700 -1,500	-6%	-$120K	0.03%	539
2016 Q3	$1.92M	Buy	+24,200	New	+$1.62M	0.03%	523

Other funds holding IDCC

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

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

Boston Partners

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dimensional Fund Advisors

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Fuller & Thaler Asset Management

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

American Century Companies

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return