SpiderRock Trading LLC - MEADWESTVACO CORP ownership

MEADWESTVACO CORP's ticker is and the CUSIP is 58333410. A total of 2 filers reported holding MEADWESTVACO CORP in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of MEADWESTVACO CORP
ValueSharesWeighting
Q4 2014$9,000
+125.0%
200
-90.9%
0.02%
+19.0%
Q1 2014$4,000
-87.1%
2,200
+144.4%
0.02%
-91.3%
Q2 2013$31,0009000.24%
Other shareholders
MEADWESTVACO CORP shareholders Q1 2015
NameSharesValueWeighting ↓
IKOS CIF LTD 997$50,0000.12%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 310,966$15,508,0000.10%
View complete list of MEADWESTVACO CORP shareholders