DUFF & PHELPS INVESTMENT MANAGEMENT CO - MARKWEST ENERGY PARTNERS L P ownership

MARKWEST ENERGY PARTNERS L P's ticker is MWE and the CUSIP is 570759100. A total of 282 filers reported holding MARKWEST ENERGY PARTNERS L P in Q3 2013. The put-call ratio across all filers is 0.67 and the average weighting 0.7%.

Quarter-by-quarter ownership
DUFF & PHELPS INVESTMENT MANAGEMENT CO ownership history of MARKWEST ENERGY PARTNERS L P
ValueSharesWeighting
Q3 2015$54,560,000
-29.1%
1,271,500
-6.9%
0.88%
-24.9%
Q2 2015$76,987,000
-15.0%
1,365,500
-0.4%
1.17%
-6.8%
Q1 2015$90,590,000
+1.4%
1,370,500
+3.1%
1.26%
+2.4%
Q4 2014$89,329,000
-9.1%
1,329,500
+3.9%
1.23%
-12.1%
Q3 2014$98,253,000
+7.3%
1,279,0000.0%1.40%
+1.1%
Q2 2014$91,551,000
+93.9%
1,279,000
+76.9%
1.38%
+76.2%
Q1 2014$47,226,000
+14.8%
723,000
+16.2%
0.78%
+9.3%
Q4 2013$41,133,000
-8.4%
622,0000.0%0.72%
-7.5%
Q3 2013$44,927,000
+8.0%
622,0000.0%0.78%
+7.3%
Q2 2013$41,581,000622,0000.72%
Other shareholders

There were no reported owners of MARKWEST ENERGY PARTNERS L P in Q3 2013.

NameSharesValueWeighting ↓
View complete list of MARKWEST ENERGY PARTNERS L P shareholders