SIMPLEX TRADING, LLC - PARKER DRILLING CO ownership

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PARKER DRILLING CO's ticker is and the CUSIP is 701081951. A total of 2 filers reported holding PARKER DRILLING CO in Q2 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 PARKER DRILLING CO
ValueSharesWeighting
Q2 2017$0–5
-89.1%
0.00%–
Q4 2016$0
-100.0%
46
+475.0%
0.00%–
Q2 2016$2,0000.0%80.0%0.00%–
Q1 2016$2,000–8
+166.7%
0.00%–
Q3 2015$0–30.0%0.00%–
Q2 2015$0–3–0.00%–
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Other shareholders
PARKER DRILLING CO shareholders Q2 2015
NameSharesValueWeighting ↓
Citadel Advisors 200$1,0000.00%
SIMPLEX TRADING, LLC 3$00.00%
View complete list of PARKER DRILLING CO shareholders