UBS OCONNOR LLC - SIGMA ALDRICH CORP ownership

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SIGMA ALDRICH CORP's ticker is SIAL and the CUSIP is 826552101. A total of 562 filers reported holding SIGMA ALDRICH CORP in Q4 2014. The put-call ratio across all filers is 0.89 and the average weighting 0.4%.

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Quarter-by-quarter ownership
UBS OCONNOR LLC ownership history of SIGMA ALDRICH CORP
ValueSharesWeighting
Q4 2014$96,528,000,000
+273.5%
703,195
+270.1%
1.68%
+276.2%
Q3 2014$25,842,000,000–190,000–0.45%–
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Other shareholders

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

NameSharesValueWeighting ↓
View complete list of SIGMA ALDRICH CORP shareholders