SIMPLEX TRADING, LLC - SIGMA ALDRICH CORP ownership

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SIGMA ALDRICH CORP's ticker is and the CUSIP is 826552901. A total of 2 filers reported holding SIGMA ALDRICH CORP in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

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Filings
Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of SIGMA ALDRICH CORP
ValueSharesWeighting
Q3 2015$6,000–37
+311.1%
0.00%–
Q2 2015$0
-100.0%
9
-91.0%
0.00%
-100.0%
Q1 2015$9,000
-62.5%
100
-36.3%
0.00%
-66.7%
Q4 2014$24,000–157–0.00%–
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Other shareholders
SIGMA ALDRICH CORP shareholders Q3 2015
NameSharesValueWeighting ↓
Citadel Advisors 6,300$875,0000.00%
SIMPLEX TRADING, LLC 37$6,0000.00%
View complete list of SIGMA ALDRICH CORP shareholders