SIMPLEX TRADING, LLC - PARKERVISION INC ownership

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PARKERVISION INC's ticker is and the CUSIP is 701354950. A total of 2 filers reported holding PARKERVISION INC 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 PARKERVISION INC
ValueSharesWeighting
Q1 2018$0
-100.0%
1
-96.9%
0.00%–
Q1 2017$4,000
-93.0%
32
-90.4%
0.00%
-100.0%
Q4 2016$57,000
+171.4%
332
+144.1%
0.00%
+200.0%
Q3 2016$21,000–136
+13500.0%
0.00%–
Q1 2016$0–1–0.00%–
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Other shareholders
PARKERVISION INC shareholders Q4 2016
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 332$57,0000.00%
GROUP ONE TRADING, L.P. 24,500$45,0000.00%
View complete list of PARKERVISION INC shareholders