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

DERMA SCIENCES INC's ticker is DSCI and the CUSIP is 249827502. A total of 64 filers reported holding DERMA SCIENCES INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of DERMA SCIENCES INC
ValueSharesWeighting
Q1 2016$1,0000.0%2090.0%0.00%
Q4 2015$1,0000.0%2090.0%0.00%
Q3 2015$1,000
-99.2%
209
-98.6%
0.00%
-100.0%
Q3 2014$127,000
+7.6%
15,233
+49.2%
0.00%0.0%
Q2 2014$118,000
+268.8%
10,211
+292.4%
0.00%
+100.0%
Q3 2013$32,000
-8.6%
2,6020.0%0.00%0.0%
Q2 2013$35,0002,6020.00%
Other shareholders
DERMA SCIENCES INC shareholders Q4 2014
NameSharesValueWeighting ↓
GREAT POINT PARTNERS LLC 1,148,292$13,275,0005.90%
DAFNA Capital Management LLC 384,794$4,448,0004.22%
Consonance Capital Management LP 1,451,692$16,782,0002.50%
Broadfin Capital, LLC 3,648,754$42,180,0002.08%
Redmile Group, LLC 600,677$6,944,0000.84%
ORACLE INVESTMENT MANAGEMENT INC 492,796$5,696,722,0000.69%
Senvest Management, LLC 593,665$6,863,0000.60%
HealthCor Management, L.P. 920,000$10,635,0000.53%
Baker Brothers Advisors 3,537,137$40,889,0000.50%
ROANOKE ASSET MANAGEMENT CORP/ NY 112,117$1,296,0000.50%
View complete list of DERMA SCIENCES INC shareholders