BLACKROCK INC

CUSIP: 09247X101 Class: COM

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

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

Q2 2023
Shares 319 Value ($000) $220 Avg Close — Range —
Q1 2023
Shares 162 Value ($000) $108 Avg Close — Range —
Q4 2022
Shares 8,144 Value ($000) $5,771 Avg Close — Range —
Q3 2022
Shares 571 Value ($000) $314 Avg Close — Range —
Q2 2022
Shares 6,718 Value ($000) $4,092 Avg Close — Range —
Q4 2021
Shares 24,899 Value ($000) $22,797 Avg Close — Range —
Q3 2021
Shares 14,251 Value ($000) $11,952 Avg Close — Range —
Q4 2020
Shares 535 Value ($000) $386 Avg Close — Range —