GROUP ONE TRADING, L.P. - ELAN PLC ownership

ELAN PLC's ticker is and the CUSIP is 284131958. A total of 3 filers reported holding ELAN PLC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ELAN PLC
ValueSharesWeighting
Q3 2013$19,335,000
+115.3%
1,241,000
+95.4%
0.37%
+67.4%
Q2 2013$8,980,000635,1000.22%
Other shareholders
ELAN PLC shareholders Q3 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 1,241,000$19,335,0000.37%
Timber Hill LLC 67,904$1,058,0000.00%
BOLTON LP 205$9,0000.00%
View complete list of ELAN PLC shareholders