XT
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XTX Topco’s InterDigital IDCC Stock Holding History

XTX Topco’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 		– Sell
-12,808
Closed -$3.87M – 4394
2026
Q1 		$3.87M Buy
12,808
+10,949
+589% +$3.72M 0.07% 420
2025
Q4 		$592K Buy
1,859
+148
+9% +$52.3K 0.02% 1454
2025
Q3 		$591K Buy
+1,711
New +$465K 0.03% 946
2025
Q2 		– Sell
-1,251
Closed -$259K – 2722
2025
Q1 		$259K Sell
1,251
-9,344
-88% -$1.88M 0.01% 1515
2024
Q4 		$2.05M Buy
+10,595
New +$1.85M 0.17% 84
2023
Q4 		– Sell
-5,056
Closed -$406K – 1812
2023
Q3 		$406K Buy
+5,056
New +$439K 0.07% 532
2023
Q2 		– Sell
-5,150
Closed -$375K – 1595
2023
Q1 		$375K Buy
+5,150
New +$358K 0.08% 478
2021
Q3 		– Sell
-4,250
Closed -$310K – 849
2021
Q2 		$310K Buy
+4,250
New +$314K 0.1% 350

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

XTX Topco's IDCC Position: Q2 2026 in Review

XTX Topco sold out of InterDigital (IDCC) in Q2 2026, closing a stake of 12,808 shares — an estimated $3.87M sold.

XTX Topco first reported a position in IDCC in Q2 2021 and held it in 8 quarters. The position peaked at $3.87M in Q1 2026. 510 funds tracked by Wall St. Rank hold IDCC as of Q2 2026.

  • XTX Topco reported no remaining InterDigital position as of Q2 2026 after selling out during the quarter.
  • XTX Topco sold 12,808 InterDigital shares in Q2 2026, an estimated $3.87M.
  • XTX Topco first reported a position in InterDigital in Q2 2021 and held it in 8 quarters.
  • XTX Topco's InterDigital position peaked at $3.87M in Q1 2026.
  • 510 funds tracked by Wall St. Rank held InterDigital as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.