Shannon River Fund Management’s InterDigital IDCC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$53M Buy
236,571
+11,569
+5% +$2.59M 7.05% 5
2025
Q1
$46.5M Sell
225,002
-156,643
-41% -$32.4M 12.14% 1
2024
Q4
$73.9M Sell
381,645
-90,507
-19% -$17.5M 10.91% 2
2024
Q3
$66.9M Buy
472,152
+28,693
+6% +$4.06M 9.36% 1
2024
Q2
$51.7M Buy
443,459
+74,650
+20% +$8.7M 8.33% 3
2024
Q1
$39.3M Sell
368,809
-103,998
-22% -$11.1M 8.74% 5
2023
Q4
$51.3M Sell
472,807
-169,458
-26% -$18.4M 9.38% 2
2023
Q3
$51.5M Buy
642,265
+23,815
+4% +$1.91M 10.24% 1
2023
Q2
$59.7M Sell
618,450
-24,188
-4% -$2.34M 14.89% 1
2023
Q1
$46.8M Buy
642,638
+150,890
+31% +$11M 10.57% 2
2022
Q4
$24.3M Buy
+491,748
New +$24.3M 5.97% 4
2022
Q3
Sell
-298,531
Closed -$18.2M 32
2022
Q2
$18.2M Sell
298,531
-177,358
-37% -$10.8M 5.16% 7
2022
Q1
$30.4M Sell
475,889
-213,669
-31% -$13.6M 3.37% 11
2021
Q4
$49.4M Sell
689,558
-16,531
-2% -$1.18M 5.01% 9
2021
Q3
$47.9M Buy
706,089
+91,939
+15% +$6.24M 3.38% 9
2021
Q2
$44.9M Sell
614,150
-584,524
-49% -$42.7M 3.25% 11
2021
Q1
$76.1M Sell
1,198,674
-44,918
-4% -$2.85M 5.14% 4
2020
Q4
$75.5M Sell
1,243,592
-44,954
-3% -$2.73M 7.09% 4
2020
Q3
$73.5M Sell
1,288,546
-25,317
-2% -$1.44M 8.84% 3
2020
Q2
$74.4M Buy
1,313,863
+103,467
+9% +$5.86M 9.74% 2
2020
Q1
$54M Buy
1,210,396
+210,773
+21% +$9.41M 9.13% 2
2019
Q4
$54.5M Buy
999,623
+330,051
+49% +$18M 7.27% 5
2019
Q3
$35.1M Buy
669,572
+216,325
+48% +$11.4M 6.1% 4
2019
Q2
$29.2M Buy
+453,247
New +$29.2M 4.64% 4
2016
Q3
Sell
-150,000
Closed -$8.35M 35
2016
Q2
$8.35M Sell
150,000
-504,488
-77% -$28.1M 2.09% 20
2016
Q1
$36.4M Hold
654,488
9.28% 2
2015
Q4
$32.1M Sell
654,488
-230,512
-26% -$11.3M 6.22% 3
2015
Q3
$44.8M Hold
885,000
8.32% 2
2015
Q2
$50.3M Buy
885,000
+150,000
+20% +$8.53M 4.95% 3
2015
Q1
$37.3M Hold
735,000
4.28% 7
2014
Q4
$38.9M Sell
735,000
-415,000
-36% -$22M 3.95% 10
2014
Q3
$45.8M Hold
1,150,000
3.46% 8
2014
Q2
$55M Sell
1,150,000
-292,000
-20% -$14M 2.85% 6
2014
Q1
$47.7M Buy
1,442,000
+850,300
+144% +$28.2M 3.04% 14
2013
Q4
$17.4M Buy
591,700
+137,139
+30% +$4.04M 1.31% 31
2013
Q3
$17M Sell
454,561
-59,205
-12% -$2.21M 1.17% 30
2013
Q2
$22.9M Buy
+513,766
New +$22.9M 2.74% 16