SIMPLEX TRADING, LLC - PARKER DRILLING CO ownership

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PARKER DRILLING CO's ticker is and the CUSIP is 701081901. A total of 1 filers reported holding PARKER DRILLING CO in Q4 2016. 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 PARKER DRILLING CO
ValueSharesWeighting
Q2 2017$0–580.0%0.00%–
Q1 2017$0–58
+222.2%
0.00%–
Q4 2016$0
-100.0%
18
-90.5%
0.00%–
Q3 2016$1,000–190
+2275.0%
0.00%–
Q2 2016$0–8
-73.3%
0.00%–
Q1 2015$0–300.0%0.00%–
Q4 2014$0–30–0.00%–
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Other shareholders
PARKER DRILLING CO shareholders Q4 2016
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 18$00.00%
View complete list of PARKER DRILLING CO shareholders