SENTINEL ENERGY SVCS INC

CUSIP: 81728P105 Class: CL A

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

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

Q3 2019
Shares 407,304 Value ($000) $4,183 Avg Close — Range —
Q2 2019
Shares 407,304 Value ($000) $4,134 Avg Close — Range —
Q1 2019
Shares 407,304 Value ($000) $4,106 Avg Close — Range —