ABRAXAS PETE CORP

CUSIP: 003830106 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q1 2019
Shares 22,448 Value ($000) $28 Avg Close — Range —
Q4 2018
Shares 408,040 Value ($000) $445 Avg Close — Range —