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

AIRGAS INC's ticker is and the CUSIP is 009363902. A total of 2 filers reported holding AIRGAS INC in Q3 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 AIRGAS INC
ValueSharesWeighting
Q2 2013$210,0002,2000.01%
Other shareholders
AIRGAS INC shareholders Q3 2013
NameSharesValueWeighting ↓
Timber Hill LLC 37,400$3,966,0000.01%
Citadel Advisors 32,200$3,415,0000.01%
View complete list of AIRGAS INC shareholders