UNITED MICROELECTRONICS CORP

Ticker: UMC CUSIP: 910873405 Class: ADR

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2025
Shares 521 Value ($000) $4 Avg Close — Range —
Q4 2023
Shares 57,365 Value ($000) $485 Avg Close — Range —
Q3 2022
Shares 270,855 Value ($000) $1,509 Avg Close — Range —
Q2 2022
Shares 1,126,846 Value ($000) $7,629 Avg Close — Range —
Q1 2022
Shares 555,319 Value ($000) $5,065 Avg Close — Range —
Q4 2021
Shares 469,881 Value ($000) $5,498 Avg Close — Range —
Q3 2021
Shares 83,675 Value ($000) $956 Avg Close — Range —
Q2 2020
Shares 400 Value ($000) $1 Avg Close — Range —
Q4 2018
Shares 400 Value ($000) $1 Avg Close — Range —
Q3 2018
Shares 400 Value ($000) $1 Avg Close — Range —
Q4 2015
Shares 1,000 Value ($000) $2 Avg Close — Range —
Q3 2015
Shares 4,500 Value ($000) $7 Avg Close — Range —
Q2 2015
Shares 4,500 Value ($000) $9 Avg Close — Range —
Q2 2013
Shares 3,000 Value ($000) $7 Avg Close — Range —