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
VPM
VCM
DGI