CASTLEARK MANAGEMENT LLC - MARKWEST ENERGY PARTNERS L P ownership

MARKWEST ENERGY PARTNERS L P's ticker is MWE and the CUSIP is 570759100. A total of 301 filers reported holding MARKWEST ENERGY PARTNERS L P in Q4 2013. The put-call ratio across all filers is 1.23 and the average weighting 0.6%.

Quarter-by-quarter ownership
CASTLEARK MANAGEMENT LLC ownership history of MARKWEST ENERGY PARTNERS L P
ValueSharesWeighting
Q3 2015$4,722,000
-11.6%
110,050
+16.2%
0.15%
+6.3%
Q2 2015$5,341,000
-33.7%
94,730
-22.3%
0.14%
-26.3%
Q1 2015$8,060,000
-12.9%
121,940
-11.4%
0.19%
-18.5%
Q4 2014$9,250,000
+84.6%
137,670
+79.4%
0.24%
+66.4%
Q3 2014$5,012,000
+29.1%
76,730
+41.5%
0.14%
+33.6%
Q2 2014$3,882,000
-22.5%
54,230
-29.3%
0.11%
-25.2%
Q1 2014$5,012,000
-1.2%
76,7300.0%0.14%
-2.7%
Q4 2013$5,074,000
-16.8%
76,730
-3.3%
0.15%
-14.5%
Q3 2013$6,098,000
-10.8%
79,380
-22.4%
0.17%
-24.2%
Q2 2013$6,834,000102,2300.23%
Other shareholders
MARKWEST ENERGY PARTNERS L P shareholders Q4 2013
NameSharesValueWeighting ↓
M&R Follow-On Fund Management, LP 3,532,960$151,599,000100.00%
NGP MR Management, LLC 3,819,731$163,905,00097.89%
C V STARR & CO INC 40,000$1,716,0009.06%
Stockbridge Partners LLC 2,578,159$110,629,0006.27%
RR Advisors, LLC 871,000$37,382,0006.06%
ALPS ADVISORS INC 11,314,183$4,854,916,0005.12%
TRAVELERS COMPANIES, INC. 351,911$15,101,0005.03%
KAYNE ANDERSON CAPITAL ADVISORS LP 11,131,320$477,632,0004.84%
TORTOISE CAPITAL ADVISORS, L.L.C. 12,269,400$526,480,0004.15%
Domani Wealth, LLC 175,594$7,535,0004.08%
View complete list of MARKWEST ENERGY PARTNERS L P shareholders