GROUP ONE TRADING, L.P. - DERMA SCIENCES INC ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of DERMA SCIENCES INC
ValueSharesWeighting
Q3 2013$5,0000.0%4000.0%0.00%
Q2 2013$5,0004000.00%
Other shareholders

There were no reported owners of DERMA SCIENCES INC in Q4 2013.

NameSharesValueWeighting ↓
View complete list of DERMA SCIENCES INC shareholders