WATER ISLAND CAPITAL LLC - SIGMA ALDRICH CORP ownership

SIGMA ALDRICH CORP's ticker is and the CUSIP is 826552951. A total of 3 filers reported holding SIGMA ALDRICH CORP in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
WATER ISLAND CAPITAL LLC ownership history of SIGMA ALDRICH CORP
ValueSharesWeighting
Q3 2014$473,0002,1000.00%
Other shareholders

There were no reported owners of SIGMA ALDRICH CORP in Q4 2014.

NameSharesValueWeighting ↓
View complete list of SIGMA ALDRICH CORP shareholders