SpiderRock Trading LLC - NEWMARKET CORP ownership

NEWMARKET CORP's ticker is and the CUSIP is 65158710. A total of 2 filers reported holding NEWMARKET CORP in Q2 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of NEWMARKET CORP
ValueSharesWeighting
Q2 2014$1,0001000.00%
Other shareholders
NEWMARKET CORP shareholders Q2 2014
NameSharesValueWeighting ↓
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 14,238$5,583,0000.03%
SpiderRock Trading LLC 100$1,0000.00%
View complete list of NEWMARKET CORP shareholders