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 		$362K Sell
1,200
-5,400
-82% -$1.84M ﹤0.01% 3623
2025
Q4 		$2.1M Buy
6,600
+500
+8% +$177K ﹤0.01% 1937
2025
Q3 		$2.1M Buy
6,100
+3,100
+103% +$842K ﹤0.01% 2277
2025
Q2 		$672K Buy
3,000
+300
+11% +$63.6K ﹤0.01% 3194
2025
Q1 		$558K Sell
2,700
-4,900
-64% -$986K ﹤0.01% 3289
2024
Q4 		$1.47M Sell
7,600
-9,800
-56% -$1.71M ﹤0.01% 2471
2024
Q3 		$2.46M Sell
17,400
-1,500
-8% -$197K ﹤0.01% 2095
2024
Q2 		$2.2M Sell
18,900
-59,200
-76% -$6.33M ﹤0.01% 2109
2024
Q1 		$8.31M Sell
78,100
-40,600
-34% -$4.29M ﹤0.01% 1248
2023
Q4 		$12.9M Buy
118,700
+105,600
+806% +$9.77M 0.01% 934
2023
Q3 		$1.05M Buy
13,100
+8,300
+173% +$721K ﹤0.01% 2614
2023
Q2 		$463K Buy
4,800
+1,000
+26% +$81K ﹤0.01% 3387
2023
Q1 		$277K Sell
3,800
-200
-5% -$13.9K ﹤0.01% 3934
2022
Q4 		$197K Buy
4,000
+800
+25% +$39K ﹤0.01% 4249
2022
Q3 		$129K Buy
3,200
+2,600
+433% +$140K ﹤0.01% 5183
2022
Q2 		$36K Sell
600
-300
-33% -$18.4K ﹤0.01% 6915
2022
Q1 		$57K Buy
900
+800
+800% +$53.2K ﹤0.01% 6957
2021
Q4 		$7K Sell
100
-2,600
-96% -$181K ﹤0.01% 9307
2021
Q3 		$197K Hold
2,700
– – ﹤0.01% 5607
2021
Q2 		$197K Buy
+2,700
New +$200K ﹤0.01% 5700
2021
Q1 		– Sell
-108
Closed -$655K – 9330
2020
Q4 		$655K Buy
+108
New +$6.47K ﹤0.01% 3094
2020
Q3 		– Sell
-107
Closed -$605K – 8089
2020
Q2 		$605K Buy
107
+74
+224% +$3.93K ﹤0.01% 2688
2020
Q1 		$147K Sell
33
-251
-88% -$13.2K ﹤0.01% 3942
2019
Q4 		$1.55M Sell
284
-54
-16% -$2.98K ﹤0.01% 1714
2019
Q3 		$1.77M Buy
338
+115
+52% +$6.5K 0.01% 1426
2019
Q2 		$1.44M Buy
223
+162
+266% +$10.8K ﹤0.01% 1571
2019
Q1 		$402K Buy
61
+21
+53% +$1.46K ﹤0.01% 2885
2018
Q4 		$265K Sell
40
-118
-75% -$8.6K ﹤0.01% 2855
2018
Q3 		$1.26M Sell
158
-25
-14% -$2.05K ﹤0.01% 1654
2018
Q2 		$1.48M Buy
183
+95
+108% +$7.56K 0.01% 1399
2018
Q1 		$15K Sell
88
-81
-48% -$6.2K ﹤0.01% 3626
2017
Q4 		$80K Buy
169
+36
+27% +$2.69K ﹤0.01% 1995
2017
Q3 		$123K Buy
133
+110
+478% +$8.05K 0.01% 1541
2017
Q2 		$13K Sell
23
-101
-81% -$8.46K ﹤0.01% 3731
2017
Q1 		$25K Sell
124
-12
-9% -$1.08K ﹤0.01% 3026
2016
Q4 		$33K Buy
136
+122
+871% +$9.79K ﹤0.01% 2567
2016
Q3 		$1K Buy
+14
New +$935 ﹤0.01% 5336
2016
Q1 		– Sell
-8
Closed -$1K – 5875
2015
Q4 		$1K Buy
+8
New +$406 ﹤0.01% 4885
2015
Q3 		– Sell
-15
Closed -$2K – 5800
2015
Q2 		$2K Buy
15
+9
+150% +$502 ﹤0.01% 4292
2015
Q1 		$2K Sell
6
-93
-94% -$4.83K ﹤0.01% 4112
2014
Q4 		$3K Buy
+99
New +$4.77K ﹤0.01% 3469

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.