Walleye Trading’s InterDigital IDCC Stock Holding History

Walleye Trading’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
2026 Q1	$362K	Sell	1,200 -2,800	-70%	-$952K	﹤0.01%	2779
2025 Q4	$1.27M	Buy	4,000 +800	+25%	+$283K	﹤0.01%	2205
2025 Q3	$1.1M	Sell	3,200 -400	-11%	-$109K	﹤0.01%	2200
2025 Q2	$807K	Sell	3,600 -100	-3%	-$21.2K	﹤0.01%	2339
2025 Q1	$765K	Buy	3,700 +1,500	+68%	+$302K	﹤0.01%	2235
2024 Q4	$426K	Sell	2,200 -7,100	-76%	-$1.24M	﹤0.01%	2732
2024 Q3	$1.32M	Buy	9,300 +2,600	+39%	+$341K	﹤0.01%	1949
2024 Q2	$781K	Sell	6,700 -300	-4%	-$32.1K	﹤0.01%	2240
2024 Q1	$745K	Sell	7,000 -3,300	-32%	-$349K	﹤0.01%	2479
2023 Q4	$1.12M	Buy	10,300 +8,400	+442%	+$777K	﹤0.01%	2376
2023 Q3	$152K	Sell	1,900 -15,200	-89%	-$1.32M	﹤0.01%	3771
2023 Q2	$1.65M	Buy	17,100 +7,100	+71%	+$575K	0.01%	1789
2023 Q1	$729K	Buy	+10,000	New	+$696K	﹤0.01%	2492
2022 Q4	–	Sell	-200	Closed	-$8K	–	5161
2022 Q3	$8K	Sell	200 -6,300	-97%	-$340K	﹤0.01%	4571
2022 Q2	$395K	Buy	+6,500	New	+$399K	﹤0.01%	3117
2021 Q3	–	Sell	-3,100	Closed	-$226K	–	5429
2021 Q2	$226K	Buy	3,100 +300	+11%	+$22.2K	﹤0.01%	3796
2021 Q1	$178K	Buy	+2,800	New	+$183K	﹤0.01%	3735
2020 Q4	–	Sell	-2,300	Closed	-$131K	–	4740
2020 Q3	$131K	Hold	2,300	–	–	﹤0.01%	3254
2020 Q2	$130K	Buy	+2,300	New	+$122K	﹤0.01%	3358
2020 Q1	–	Sell	-2,900	Closed	-$158K	–	4243
2019 Q4	$158K	Buy	+2,900	New	+$160K	﹤0.01%	3324
2019 Q2	–	Sell	-18,900	Closed	-$1.25M	–	4248
2019 Q1	$1.25M	Sell	18,900 -17,100	-48%	-$1.19M	0.01%	1469
2018 Q4	$2.39M	Sell	36,000 -41,400	-53%	-$3.02M	0.02%	936
2018 Q3	$6.19M	Buy	77,400 +49,300	+175%	+$4.04M	0.03%	540
2018 Q2	$2.27M	Buy	28,100 +4,300	+18%	+$342K	0.01%	1215
2018 Q1	$1.75M	Sell	23,800 -35,600	-60%	-$2.73M	0.01%	1335
2017 Q4	$4.52K	Buy	59,400 +41,800	+238%	+$3.12M	0.02%	733
2017 Q3	$1.3K	Buy	17,600 +14,400	+450%	+$1.05M	0.01%	1649
2017 Q2	$245	Buy	+3,200	New	+$268K	﹤0.01%	2967
2017 Q1	–	Sell	-600	Closed	-$55K	–	4885
2016 Q4	$55K	Buy	+600	New	+$48.1K	﹤0.01%	3584
2016 Q3	–	Sell	-1,400	Closed	-$78K	–	5088
2016 Q2	$78K	Sell	1,400 -36,900	-96%	-$2.09M	﹤0.01%	3691
2016 Q1	$2.13M	Buy	38,300 +35,000	+1,061%	+$1.69M	0.02%	809
2015 Q4	$163K	Sell	3,300 -4,400	-57%	-$223K	﹤0.01%	2880
2015 Q3	$389K	Buy	7,700 +1,200	+18%	+$62K	﹤0.01%	1751
2015 Q2	$370K	Buy	6,500 +4,400	+210%	+$246K	﹤0.01%	1936
2015 Q1	$106K	Sell	2,100 -1,000	-32%	-$51.9K	﹤0.01%	2625
2014 Q4	$163K	Sell	3,100 -1,500	-33%	-$72.3K	﹤0.01%	2427
2014 Q3	$184K	Buy	4,600 +300	+7%	+$13.2K	﹤0.01%	2135
2014 Q2	$207	Sell	4,300 -700	-14%	-$27.1K	﹤0.01%	1972
2014 Q1	$166	Sell	5,000 -6,700	-57%	-$199K	﹤0.01%	2048
2013 Q4	$345K	Buy	11,700 +1,000	+9%	+$33.9K	﹤0.01%	1816
2013 Q3	$398K	Hold	10,700	–	–	﹤0.01%	1342
2013 Q2	$479K	Buy	+10,700	New	+$479K	﹤0.01%	1272

Other funds holding IDCC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

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

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

DGI

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

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Walleye Trading's IDCC Position: Q1 2026 in Review

Walleye Trading reduced its InterDigital (IDCC) stake by 77% in Q1 2026, selling an estimated $1.15M and leaving 1,012 shares worth $306K. The position accounts for ﹤0.01% of the portfolio, ranked #2877.

Walleye Trading first reported a position in IDCC in Q2 2013 and has held it in 28 quarters since. The position peaked at $2.82M in Q3 2025. 570 funds tracked by Wall St. Rank hold IDCC as of Q1 2026.

Walleye Trading held 1,012 shares of InterDigital worth $306K as of Q1 2026.
Walleye Trading sold 3,384 InterDigital shares in Q1 2026, an estimated $1.15M.
InterDigital made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #2877 holding.
Walleye Trading first reported a position in InterDigital in Q2 2013 and has held it in 28 quarters since.
Walleye Trading's InterDigital position peaked at $2.82M in Q3 2025.
570 funds tracked by Wall St. Rank held InterDigital as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.