institutional

https://www.google.com/search?q=institutional+buyers

https://www.google.com/search?q=institutional+sellers

https://www.google.com/search?q=QIP

https://www.google.com/search?q=QIB

opportunistic

 https://www.google.com/search?q=opportunistic+buy

https://www.google.com/search?q=opportunistic+sell

Off

https://www.google.com/search?q=Buy+Off

https://www.google.com/search?q=Sell+Off