SIMPLEX TRADING, LLC - MARKWEST ENERGY PARTNERS L P ownership

MARKWEST ENERGY PARTNERS L P's ticker is and the CUSIP is 570759950. A total of 3 filers reported holding MARKWEST ENERGY PARTNERS L P in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of MARKWEST ENERGY PARTNERS L P
ValueSharesWeighting
Q3 2015$26,000
-43.5%
26
-77.0%
0.00%
-50.0%
Q2 2015$46,000
+253.8%
113
+56.9%
0.00%
+100.0%
Q1 2015$13,000
-38.1%
72
+132.3%
0.00%
-33.3%
Q4 2014$21,000310.00%
Other shareholders
MARKWEST ENERGY PARTNERS L P shareholders Q3 2015
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 26,000$1,116,0000.02%
SIMPLEX TRADING, LLC 26$26,0000.00%
Citadel Advisors 6,500$279,0000.00%
View complete list of MARKWEST ENERGY PARTNERS L P shareholders