SpiderRock Trading LLC - ALCOA INC ownership

ALCOA INC's ticker is and the CUSIP is 01381710. A total of 3 filers reported holding ALCOA INC in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of ALCOA INC
ValueSharesWeighting
Q4 2014$1,0004,0000.00%
Other shareholders
ALCOA INC shareholders Q1 2015
NameSharesValueWeighting ↓
IKOS CIF LTD 17,804$230,0000.76%
NORTHERN TRUST CORP 637,324$7,106,0000.00%
View complete list of ALCOA INC shareholders