INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021
Shares 9,200 Value ($000) $583 Avg Close $65.36 Range $59.93 - $69.02
Q4 2020
Shares 7,800 Value ($000) $473 Avg Close $59.88 Range $54.37 - $63.74
Q3 2020
Shares 9,600 Value ($000) $548 Avg Close $60.07 Range $54.62 - $67.06
Q2 2020
Shares 10,500 Value ($000) $595 Avg Close $53.16 Range $41.61 - $62.66
Q4 2019
Shares 22,200 Value ($000) $1,209 Avg Close $55.25 Range $49.84 - $60.33
Q3 2019
Shares 17,400 Value ($000) $913 Avg Close $56.51 Range $47.02 - $66.95
Q2 2019
Shares 18,100 Value ($000) $1,165 Avg Close $66.69 Range $62.43 - $72.66
Q1 2019
Shares 7,700 Value ($000) $508 Avg Close $69.51 Range $64.12 - $74.03
Q4 2018
Shares 7,600 Value ($000) $505 Avg Close $72.85 Range $62.34 - $80.75