Shannon River Fund Management’s InterDigital IDCC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$16.3M Buy
54,104
+614
+1% +$209K 3.12% 12
2025
Q4
$17M Sell
53,490
-125,230
-70% -$44.3M 2.67% 17
2025
Q3
$61.7M Sell
178,720
-57,851
-24% -$15.7M 9.93% 3
2025
Q2
$53M Buy
236,571
+11,569
+5% +$2.45M 8.17% 6
2025
Q1
$46.5M Sell
225,002
-156,643
-41% -$31.5M 12.14% 1
2024
Q4
$73.9M Sell
381,645
-90,507
-19% -$15.8M 13.07% 3
2024
Q3
$66.9M Buy
472,152
+28,693
+6% +$3.76M 10.11% 1
2024
Q2
$51.7M Buy
443,459
+74,650
+20% +$7.98M 8.89% 3
2024
Q1
$39.3M Sell
368,809
-103,998
-22% -$11M 8.74% 5
2023
Q4
$51.3M Sell
472,807
-169,458
-26% -$15.7M 14.2% 2
2023
Q3
$51.5M Buy
642,265
+23,815
+4% +$2.07M 15.15% 2
2023
Q2
$59.7M Sell
618,450
-24,188
-4% -$1.96M 14.89% 1
2023
Q1
$46.8M Buy
642,638
+150,890
+31% +$10.5M 10.57% 2
2022
Q4
$24.3M Buy
+491,748
New +$24M 7.73% 5
2022
Q3
Sell
-298,531
Closed -$18.2M 32
2022
Q2
$18.2M Sell
298,531
-177,358
-37% -$10.9M 5.16% 7
2022
Q1
$30.4M Sell
475,889
-213,669
-31% -$14.2M 3.85% 12
2021
Q4
$49.4M Sell
689,558
-16,531
-2% -$1.15M 5.01% 9
2021
Q3
$47.9M Buy
706,089
+91,939
+15% +$6.37M 4.19% 11
2021
Q2
$44.9M Sell
614,150
-584,524
-49% -$43.2M 3.61% 12
2021
Q1
$76.1M Sell
1,198,674
-44,918
-4% -$2.94M 6.89% 6
2020
Q4
$75.5M Sell
1,243,592
-44,954
-3% -$2.69M 7.39% 4
2020
Q3
$73.5M Sell
1,288,546
-25,317
-2% -$1.52M 8.84% 3
2020
Q2
$74.4M Buy
1,313,863
+103,467
+9% +$5.5M 10.25% 2
2020
Q1
$54M Buy
1,210,396
+210,773
+21% +$11.1M 12.1% 3
2019
Q4
$54.5M Buy
999,623
+330,051
+49% +$18.2M 9.33% 7
2019
Q3
$35.1M Buy
669,572
+216,325
+48% +$12.2M 8.69% 6
2019
Q2
$29.2M Buy
+453,247
New +$30.2M 6.98% 7
2016
Q3
Sell
-150,000
Closed -$8.35M 36
2016
Q2
$8.35M Sell
150,000
-504,488
-77% -$28.5M 2.09% 20
2016
Q1
$36.4M Hold
654,488
9.28% 2
2015
Q4
$32.1M Sell
654,488
-230,512
-26% -$11.7M 6.22% 3
2015
Q3
$44.8M Hold
885,000
8.32% 2
2015
Q2
$50.3M Buy
885,000
+150,000
+20% +$8.37M 6.43% 4
2015
Q1
$37.3M Hold
735,000
4.38% 7
2014
Q4
$38.9M Sell
735,000
-415,000
-36% -$20M 3.95% 10
2014
Q3
$45.8M Hold
1,150,000
3.46% 8
2014
Q2
$55M Sell
1,150,000
-292,000
-20% -$11.3M 4.05% 8
2014
Q1
$47.7M Buy
1,442,000
+850,300
+144% +$25.3M 3.25% 15
2013
Q4
$17.4M Buy
591,700
+137,139
+30% +$4.65M 1.31% 31
2013
Q3
$17M Sell
454,561
-59,205
-12% -$2.23M 1.5% 31
2013
Q2
$22.9M Buy
+513,766
New +$23M 2.74% 16

Other funds holding IDCC