SIMPLEX TRADING, LLC - PARKERVISION INC ownership

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PARKERVISION INC's ticker is and the CUSIP is 701354902.

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Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of PARKERVISION INC
ValueSharesWeighting
Q4 2015$0–150.0%0.00%–
Q3 2015$0–15
-37.5%
0.00%–
Q2 2015$0–24
+60.0%
0.00%–
Q1 2015$0–15
+66.7%
0.00%–
Q4 2014$0–9–0.00%–
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Other shareholders
PARKERVISION INC shareholders Q1 2016
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 508,100$462,0000.01%
Citadel Advisors 24,600$22,0000.00%
SIMPLEX TRADING, LLC 9$00.00%
LUPO SECURITIES, LLC 46$830,0000.00%
View complete list of PARKERVISION INC shareholders