Ticker · CUSIP 45867G101

IDCC

INTERDIGITAL INC
···Share
Holders (tracked)
19
Combined shares
3,080,035
Combined value
$980.62M
Last close
$373.02
Quarter
2025Q4
Price · 1Y$373.02+185.48 (+98.90%)H $394.78 · L $181.69 · Avg Vol 326K
$200.00$250.00$300.00$350.00$400.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
19162024Q12025Q4
Price is +17.2% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

24 events
  1. −1,453 shares · 2025Q4
    Position
  2. −29,933 shares · 2025Q4
    Position
  3. +854,845 shares · 2025Q4
    Position
  4. +45,609 shares · 2025Q4
    Position
  5. +4,500 shares · 2025Q4
    Position
  6. −2,129 shares · 2025Q4
    Position
  7. −4,745 shares · 2025Q4
    Position
  8. −18,896 shares · 2025Q4
    Position
  9. −13,353 shares · 2025Q4
    Position
  10. −26,542 shares · 2025Q4
    Position
  11. −33,302 shares · 2025Q4
    Position
  12. +404,918 shares · 2025Q4
    Position
  13. −24,263 shares · 2025Q3
    Position
  14. −6,167 shares · 2025Q3
    Position
  15. −9,383 shares · 2025Q3
    Position
  16. +13,353 shares · 2025Q3
    Position
  17. +34,192 shares · 2025Q3
    Position
  18. −2,482 shares · 2025Q3
    Position
  19. +773,671 shares · 2025Q3
    Position
  20. +6,529 shares · 2025Q3
    Position
  21. −317,531 shares · 2025Q3
    Position
  22. −31,993 shares · 2025Q3
    Position
  23. +9,645 shares · 2025Q3
    Position
  24. −35,136 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of IDCC…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
AQR Capital Management2016Q1$101.10+268.9%$8.3M
Renaissance Technologies2016Q1$192.57+93.7%$12.0M
Norges Bank (Norway SWF)2016Q1$210.07+77.6%$151.0M
Ray Dalio (Bridgewater Associates)2024Q1$214.99+73.5%$3.0M
Paul Tudor Jones (Tudor Investment)2016Q1$216.75+72.1%$298K
Paul Tudor Jones (Tudor Investment)2016Q1$216.75+72.1%$298K
Two Sigma Investments2016Q1$231.87+60.9%$33.1M
Wellington Management2016Q3$236.48+57.7%$31.4M
Steve Cohen (Point72)2019Q2$250.58+48.9%$7.0M
Steve Cohen (Point72)2019Q2$250.58+48.9%$7.0M
Izzy Englander (Millennium Mgmt)2016Q1$257.44+44.9%$4.1M
Izzy Englander (Millennium Mgmt)2016Q1$257.44+44.9%$4.1M
D.E. Shaw & Co.2016Q1$288.40+29.3%$7.0M
D.E. Shaw & Co.2016Q1$288.40+29.3%$7.0M
D.E. Shaw & Co.2016Q1$288.40+29.3%$7.0M
T. Rowe Price2016Q1$296.86+25.7%$828.9M
Ken Griffin (Citadel Advisors)2016Q1$319.55+16.7%$15.1M
Ken Griffin (Citadel Advisors)2016Q1$319.55+16.7%$15.1M
Ken Griffin (Citadel Advisors)2016Q1$319.55+16.7%$15.1M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Added to2
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
12
$19.50B
2022Q2
10
$18.18B
2022Q3
12
$278.2M
2022Q4
11
$333.0M
2023Q1
12
$480.2M
2023Q2
14
$607.1M
2023Q3
12
$482.3M
2023Q4
11
$569.4M
2024Q1
16
$613.6M
2024Q2
16
$618.0M
2024Q3
15
$124.3M
2024Q4
15
$194.2M
2025Q1
15
$234.3M
2025Q2
14
$321.1M
2025Q3
14
$644.8M
2025Q4
19
$980.6M

Who owns IDCC

19 super-investors · 2025Q4
Tracked stake
3.08M
shares
Combined value
$981M
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added2Trim12Sold2
#ManagerSharesValue
1T. Rowe Price2.22M$707M
2Norges Bank
Norway SWF
404.9K$129M
3Two Sigma Investments88.8K$28M
4Wellington Management84.2K$27M
5Ken Griffin
Citadel Advisors
51.3K$16M
6Ken Griffin
Citadel Advisors
40.5K$13M
7Renaissance Technologies32.3K$10M
8D.E. Shaw & Co.24.5K$8M
9AQR Capital Management22.3K$7M
10Steve Cohen
Point72
20.9K$7M
11D.E. Shaw & Co.18.8K$6M
12Steve Cohen
Point72
18.7K$6M
13D.E. Shaw & Co.18.4K$6M
14Izzy Englander
Millennium Mgmt
10.9K$3M
15Ray Dalio
Bridgewater Associates
8.0K$3M
16Izzy Englander
Millennium Mgmt
5.4K$2M
17Paul Tudor Jones
Tudor Investment
3.7K$1M
18Ken Griffin
Citadel Advisors
3.5K$1M
19Paul Tudor Jones
Tudor Investment
800$255K

Recent moves

20 transactions
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