Parallax Volatility Advisers’s Covia Holdings Corporation Common Stock CVIA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2018 Q3	–	Hold	0	–	–	–	2730
2018 Q2	–	Hold	0	–	–	–	2693