GROUP ONE TRADING, L.P. - BIODEL INC ownership

BIODEL INC's ticker is and the CUSIP is 09064M954. A total of 2 filers reported holding BIODEL INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of BIODEL INC
ValueSharesWeighting
Q2 2015$2,0000.0%2,0000.0%0.00%
Q1 2015$2,000
-90.9%
2,000
-87.7%
0.00%
Q4 2014$22,000
-21.4%
16,200
-4.7%
0.00%
Q3 2014$28,000
+47.4%
17,000
+88.9%
0.00%
Q2 2014$19,000
-88.9%
9,000
-85.6%
0.00%
-100.0%
Q1 2014$171,000
+6.2%
62,700
-11.1%
0.00%
+50.0%
Q4 2013$161,000
-73.4%
70,500
-63.3%
0.00%
-83.3%
Q3 2013$605,000
+298.0%
192,100
+427.7%
0.01%
+200.0%
Q2 2013$152,00036,4000.00%
Other shareholders
BIODEL INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 70,500$161,0000.00%
Citadel Advisors 2,400$6,0000.00%
View complete list of BIODEL INC shareholders