SEI Investments
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SEI Investments’s InterDigital IDCC Stock Holding History

SEI Investments’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
Q2 		$13.7M Buy
48,326
+7,361
+18% +$2.19M 0.01% 978
2026
Q1 		$12.4M Sell
40,965
-1,250
-3% -$425K 0.01% 1016
2025
Q4 		$13.4M Sell
42,215
-937
-2% -$331K 0.01% 914
2025
Q3 		$14.9M Buy
43,152
+5,881
+16% +$1.6M 0.02% 846
2025
Q2 		$8.36M Sell
37,271
-8,345
-18% -$1.77M 0.01% 1054
2025
Q1 		$9.43M Buy
45,616
+8,995
+25% +$1.81M 0.01% 998
2024
Q4 		$7.09M Buy
36,621
+14,683
+67% +$2.57M 0.01% 1139
2024
Q3 		$3.11M Buy
21,938
+3,436
+19% +$450K ﹤0.01% 1489
2024
Q2 		$2.16M Hold
18,502
– – ﹤0.01% 1602
2024
Q1 		$1.97M Sell
18,502
-7,378
-29% -$780K ﹤0.01% 1633
2023
Q4 		$2.81M Buy
25,880
+1,906
+8% +$176K ﹤0.01% 1446
2023
Q3 		$1.92M Sell
23,974
-7,525
-24% -$654K ﹤0.01% 1617
2023
Q2 		$3.04M Sell
31,499
-5,744
-15% -$465K 0.01% 1449
2023
Q1 		$2.72M Buy
37,243
+2,172
+6% +$151K 0.01% 1485
2022
Q4 		$1.74M Buy
35,071
+5,938
+20% +$290K ﹤0.01% 1552
2022
Q3 		$1.18M Buy
+29,133
New +$1.57M ﹤0.01% 1739
2019
Q2 		– Sell
-558
Closed -$36K – 2568
2019
Q1 		$36K Buy
+558
New +$38.8K ﹤0.01% 2674
2018
Q3 		– Sell
-2,506
Closed -$203K – 2913
2018
Q2 		$203K Buy
2,506
+605
+32% +$48.1K ﹤0.01% 2062
2018
Q1 		$140K Buy
1,901
+1,844
+3,235% +$141K ﹤0.01% 2010
2017
Q4 		$4K Buy
57
+52
+1,040% +$3.89K ﹤0.01% 2982
2017
Q3 		$0 Sell
5
-601
-99% -$44K ﹤0.01% 3285
2017
Q2 		$47K Buy
+606
New +$50.8K ﹤0.01% 2263
2015
Q4 		– Sell
-6,338
Closed -$321K – 2601
2015
Q3 		$321K Buy
+6,338
New +$327K ﹤0.01% 1454

Other funds holding IDCC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

SEI Investments's IDCC Position: Q2 2026 in Review

SEI Investments increased its InterDigital (IDCC) stake by 18% in Q2 2026, buying an estimated $2.19M and bringing the position to 48,326 shares worth $13.7M. The position accounts for 0.01% of the portfolio, ranked #978.

SEI Investments first reported a position in IDCC in Q3 2015 and has held it in 23 quarters since. The position peaked at $14.9M in Q3 2025. 510 funds tracked by Wall St. Rank hold IDCC as of Q2 2026.

  • SEI Investments held 48,326 shares of InterDigital worth $13.7M as of Q2 2026.
  • SEI Investments bought 7,361 InterDigital shares in Q2 2026, an estimated $2.19M.
  • InterDigital made up 0.01% of SEI Investments's portfolio in Q2 2026, its #978 holding.
  • SEI Investments first reported a position in InterDigital in Q3 2015 and has held it in 23 quarters since.
  • SEI Investments's InterDigital position peaked at $14.9M in Q3 2025.
  • 510 funds tracked by Wall St. Rank held InterDigital as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.