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

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DERMA SCIENCES INC's ticker is and the CUSIP is 249827952.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of DERMA SCIENCES INC
ValueSharesWeighting
Q1 2016$77,000
-51.6%
24,900
+30.4%
0.00%
-50.0%
Q3 2014$159,000
-28.1%
19,1000.0%0.00%
-33.3%
Q2 2014$221,000
+1741.7%
19,100
+1810.0%
0.00%–
Q3 2013$12,000
-90.4%
1,000
-89.4%
0.00%
-100.0%
Q2 2013$125,000–9,400–0.00%–
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Other shareholders

There were no reported owners of DERMA SCIENCES INC in Q4 2014.

NameSharesValueWeighting ↓
View complete list of DERMA SCIENCES INC shareholders