INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q4 2025

Shares 55,850 Value ($000) $17,782 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 101,776 Value ($000) $35,136 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 174,499 Value ($000) $39,128 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 151,097 Value ($000) $31,239 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 161,800 Value ($000) $31,344 Avg Close $174.85 Range $140.47 - $203.90

Q3 2024

Shares 180,987 Value ($000) $25,633 Avg Close $131.08 Range $115.10 - $143.96

Q2 2024

Shares 120,412 Value ($000) $14,035 Avg Close $106.87 Range $95.33 - $119.10

Q1 2024

Shares 94 Value ($000) $10 Avg Close $105.70 Range $100.55 - $119.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	55,850	$17,782	$353.55	$314.37 - $412.60
Q3 2025	101,776	$35,136	$271.66	$213.06 - $360.30
Q2 2025	174,499	$39,128	$211.87	$180.60 - $237.50
Q1 2025	151,097	$31,239	$201.31	$169.58 - $231.97
Q4 2024	161,800	$31,344	$174.85	$140.47 - $203.90
Q3 2024	180,987	$25,633	$131.08	$115.10 - $143.96
Q2 2024	120,412	$14,035	$106.87	$95.33 - $119.10
Q1 2024	94	$10	$105.70	$100.55 - $119.86