SIMPLEX TRADING, LLC - GREAT PLAINS ENERGY INC ownership

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GREAT PLAINS ENERGY INC's ticker is and the CUSIP is 391164900. A total of 2 filers reported holding GREAT PLAINS ENERGY INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of GREAT PLAINS ENERGY INC
ValueSharesWeighting
Q4 2017$0
-100.0%
4
-92.0%
0.00%–
Q3 2017$9,000
+50.0%
50
-41.2%
0.00%–
Q2 2017$6,000
-25.0%
85
-42.2%
0.00%–
Q1 2017$8,000–147
+14600.0%
0.00%–
Q4 2016$0
-100.0%
1
-92.3%
0.00%–
Q1 2016$3,000–13
+1200.0%
0.00%–
Q3 2015$0–1–0.00%–
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Other shareholders
GREAT PLAINS ENERGY INC shareholders Q3 2015
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 11,000$313,0000.01%
Citadel Advisors 1,800$51,0000.00%
View complete list of GREAT PLAINS ENERGY INC shareholders