PRA HEALTH SCIENCES INC

CUSIP: 69354M108 Class: COM

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

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

Q2 2021
Shares 134,119 Value ($000) $22,157 Avg Close — Range —
Q1 2021
Shares 137,098 Value ($000) $21,021 Avg Close — Range —
Q1 2020
Shares 7,556 Value ($000) $627 Avg Close — Range —
Q4 2019
Shares 105,166 Value ($000) $11,688 Avg Close — Range —
Q3 2019
Shares 65,553 Value ($000) $6,505 Avg Close — Range —
Q2 2019
Shares 272,380 Value ($000) $27,006 Avg Close — Range —
Q1 2019
Shares 90,513 Value ($000) $9,983 Avg Close — Range —
Q4 2018
Shares 12,014 Value ($000) $1,105 Avg Close — Range —
Q3 2018
Shares 52,646 Value ($000) $5,801 Avg Close — Range —
Q4 2017
Shares 78,160 Value ($000) $7,118 Avg Close — Range —
Q3 2017
Shares 11,189 Value ($000) $850 Avg Close — Range —
Q1 2017
Shares 17,927 Value ($000) $1,165 Avg Close — Range —
Q4 2016
Shares 1,256,101 Value ($000) $69,236 Avg Close — Range —
Q3 2016
Shares 854,760 Value ($000) $48,303 Avg Close — Range —
Q2 2016
Shares 899,993 Value ($000) $37,584 Avg Close — Range —
Q1 2016
Shares 902,245 Value ($000) $38,580 Avg Close — Range —
Q4 2015
Shares 246,621 Value ($000) $11,165 Avg Close — Range —
Q3 2015
Shares 255,298 Value ($000) $9,913 Avg Close — Range —
Q2 2015
Shares 251,375 Value ($000) $9,132 Avg Close — Range —
Q1 2015
Shares 229,271 Value ($000) $6,612 Avg Close — Range —
Q4 2014
Shares 229,271 Value ($000) $5,553 Avg Close — Range —