INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1,450 Value ($000) $462 Avg Close $353.55 Range $314.37 - $412.60
Q3 2025
Shares 1,450 Value ($000) $501 Avg Close $271.66 Range $213.06 - $360.30
Q2 2025
Shares 1,450 Value ($000) $325 Avg Close $211.87 Range $180.60 - $237.50
Q1 2025
Shares 1,450 Value ($000) $300 Avg Close $201.31 Range $169.58 - $231.97
Q4 2018
Shares 12,500 Value ($000) $830 Avg Close $72.85 Range $62.34 - $80.75
Q3 2018
Shares 12,500 Value ($000) $1,000 Avg Close $81.96 Range $78.65 - $85.85
Q2 2018
Shares 15,000 Value ($000) $1,214 Avg Close $79.55 Range $71.75 - $85.50
Q1 2018
Shares 15,000 Value ($000) $1,104 Avg Close $76.57 Range $69.33 - $81.70
Q4 2017
Shares 18,400 Value ($000) $1,401 Avg Close $74.74 Range $70.60 - $78.10
Q3 2017
Shares 3,400 Value ($000) $251 Avg Close $73.19 Range $67.55 - $81.85