Marshall Wace’s PRA Health Sciences, Inc. PRAH Stock Holding History
Bought
  Maintained
  Sold
  | Quarter | Market Value | Status | Shares | Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
| 2021 Q3 | – | Sell |  | |||||
| 2021 Q2 | $22.2M | Sell |  | |||||
| 2021 Q1 | $21M | Buy |  | |||||
| 2020 Q2 | – | Sell |  | |||||
| 2020 Q1 | $627K | Sell |  | |||||
| 2019 Q4 | $11.7M | Buy |  | |||||
| 2019 Q3 | $6.5M | Sell |  | |||||
| 2019 Q2 | $27M | Buy |  | |||||
| 2019 Q1 | $9.98M | Buy |  | |||||
| 2018 Q4 | $1.1M | Sell |  | |||||
| 2018 Q3 | $5.8M | Buy |  | |||||
| 2018 Q1 | – | Sell |  | |||||
| 2017 Q4 | $7.12M | Buy |  | |||||
| 2017 Q3 | $850K | Buy |  | |||||
| 2017 Q2 | – | Sell |  | |||||
| 2017 Q1 | $1.17M | Sell |  | |||||
| 2016 Q4 | $69.2M | Buy |  | |||||
| 2016 Q3 | $48.3M | Sell |  | |||||
| 2016 Q2 | $37.6M | Sell |  | |||||
| 2016 Q1 | $38.6M | Buy |  | |||||
| 2015 Q4 | $11.2M | Sell |  | |||||
| 2015 Q3 | $9.91M | Buy |  | |||||
| 2015 Q2 | $9.13M | Buy |  | |||||
| 2015 Q1 | $6.61M | Hold |  | |||||
| 2014 Q4 | $5.55M | Buy |  |