Simplex Trading
IDCC icon

Simplex Trading’s InterDigital IDCC Stock Holding History

Simplex 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 		$453K Sell
1,500
-1,000
-40% -$340K ﹤0.01% 3384
2025
Q4 		$796K Sell
2,500
-1,700
-40% -$601K ﹤0.01% 2847
2025
Q3 		$1.45M Buy
4,200
+2,900
+223% +$788K ﹤0.01% 2658
2025
Q2 		$291K Sell
1,300
-6,000
-82% -$1.27M ﹤0.01% 4098
2025
Q1 		$1.51M Buy
7,300
+1,400
+24% +$282K ﹤0.01% 2301
2024
Q4 		$1.14M Sell
5,900
-4,900
-45% -$857K ﹤0.01% 2711
2024
Q3 		$1.53M Sell
10,800
-3,300
-23% -$433K ﹤0.01% 2518
2024
Q2 		$1.64M Sell
14,100
-50,900
-78% -$5.44M ﹤0.01% 2390
2024
Q1 		$6.92M Buy
65,000
+28,800
+80% +$3.04M ﹤0.01% 1358
2023
Q4 		$3.93M Buy
36,200
+27,000
+293% +$2.5M ﹤0.01% 1766
2023
Q3 		$738K Sell
9,200
-1,200
-12% -$104K ﹤0.01% 2991
2023
Q2 		$1M Buy
10,400
+3,600
+53% +$292K ﹤0.01% 2597
2023
Q1 		$495K Buy
6,800
+5,100
+300% +$355K ﹤0.01% 3276
2022
Q4 		$84K Sell
1,700
-4,700
-73% -$229K ﹤0.01% 5283
2022
Q3 		$258K Sell
6,400
-4,500
-41% -$243K ﹤0.01% 4271
2022
Q2 		$662K Buy
10,900
+6,900
+173% +$423K ﹤0.01% 3108
2022
Q1 		$255K Buy
4,000
+1,700
+74% +$113K ﹤0.01% 4783
2021
Q4 		$164K Sell
2,300
-7,500
-77% -$523K ﹤0.01% 5466
2021
Q3 		$716K Hold
9,800
– – ﹤0.01% 3562
2021
Q2 		$715K Buy
+9,800
New +$724K ﹤0.01% 3617
2021
Q1 		– Sell
-117
Closed -$709K – 9328
2020
Q4 		$709K Buy
117
+84
+255% +$5.03K ﹤0.01% 2987
2020
Q3 		$188K Buy
33
+29
+725% +$1.74K ﹤0.01% 4191
2020
Q2 		$22K Sell
4
-9
-69% -$478 ﹤0.01% 6145
2020
Q1 		$58K Sell
13
-152
-92% -$8K ﹤0.01% 4979
2019
Q4 		$899K Sell
165
-217
-57% -$12K ﹤0.01% 2189
2019
Q3 		$2M Buy
382
+26
+7% +$1.47K 0.01% 1337
2019
Q2 		$2.29M Buy
356
+194
+120% +$12.9K 0.01% 1204
2019
Q1 		$1.07M Buy
162
+111
+218% +$7.72K ﹤0.01% 1942
2018
Q4 		$338K Buy
51
+26
+104% +$1.89K ﹤0.01% 2601
2018
Q3 		$200K Sell
25
-11
-31% -$902 ﹤0.01% 3641
2018
Q2 		$291K Sell
36
-37
-51% -$2.94K ﹤0.01% 3044
2018
Q1 		$3K Sell
73
-50
-41% -$3.83K ﹤0.01% 4986
2017
Q4 		$7K Buy
123
+112
+1,018% +$8.37K ﹤0.01% 4197
2017
Q3 		$2K Buy
+11
New +$805 ﹤0.01% 5075
2017
Q2 		– Sell
-30
Closed -$10K – 6405
2017
Q1 		$10K Sell
30
-56
-65% -$5.03K ﹤0.01% 3969
2016
Q4 		$71K Sell
86
-9
-9% -$722 ﹤0.01% 1808
2016
Q3 		$172K Sell
95
-71
-43% -$4.74K 0.01% 1134
2016
Q2 		$93K Buy
166
+57
+52% +$3.22K 0.01% 1531
2016
Q1 		$62K Sell
109
-262
-71% -$12.7K ﹤0.01% 1764
2015
Q4 		$25K Buy
371
+309
+498% +$15.7K ﹤0.01% 2505
2015
Q3 		$15K Buy
62
+47
+313% +$2.43K ﹤0.01% 3072
2015
Q2 		$1K Buy
+15
New +$837 ﹤0.01% 4674
2015
Q1 		– Sell
-151
Closed -$193K – 5205
2014
Q4 		$193K Buy
+151
New +$7.28K 0.02% 619

Other funds holding IDCC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
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 Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
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
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Simplex Trading's IDCC Position: Q1 2025 in Review

Simplex Trading sold out of InterDigital (IDCC) in Q1 2025, closing a stake of 2,859 shares — an estimated $576K sold.

Simplex Trading first reported a position in IDCC in Q1 2015 and held it in 21 quarters. The position peaked at $1.4M in Q4 2016. 480 funds tracked by Wall St. Rank hold IDCC as of Q1 2025.

  • Simplex Trading reported no remaining InterDigital position as of Q1 2025 after selling out during the quarter.
  • Simplex Trading sold 2,859 InterDigital shares in Q1 2025, an estimated $576K.
  • Simplex Trading first reported a position in InterDigital in Q1 2015 and held it in 21 quarters.
  • Simplex Trading's InterDigital position peaked at $1.4M in Q4 2016.
  • 480 funds tracked by Wall St. Rank held InterDigital as of Q1 2025.

Based on Simplex Trading's 13F filing for Q1 2025, filed 12 May 2025.