SpiderRock Trading LLC - NANOMETRICS INC ownership

NANOMETRICS INC's ticker is and the CUSIP is 63007710. A total of 1 filers reported holding NANOMETRICS INC 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 NANOMETRICS INC
ValueSharesWeighting
Q4 2014$3,000
-57.1%
500
-45.5%
0.01%
-75.0%
Q1 2014$7,000918
-8.2%
0.04%
Q4 2013$01,0000.00%
Other shareholders
NANOMETRICS INC shareholders Q2 2014
NameSharesValueWeighting ↓
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 18,480$337,0000.00%
View complete list of NANOMETRICS INC shareholders