GROUP ONE TRADING, L.P. - ZOLTEK COS INC ownership

ZOLTEK COS INC's ticker is ZOLT and the CUSIP is 98975W104. A total of 89 filers reported holding ZOLTEK COS INC in Q4 2013. The put-call ratio across all filers is 0.13 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ZOLTEK COS INC
ValueSharesWeighting
Q3 2013$172,00010,2980.00%
Other shareholders

There were no reported owners of ZOLTEK COS INC in Q4 2013.

NameSharesValueWeighting ↓
View complete list of ZOLTEK COS INC shareholders