JANUS HENDERSON INVESTORS US LLC - MARKWEST ENERGY PARTNERS L P ownership

MARKWEST ENERGY PARTNERS L P's ticker is MWE and the CUSIP is 570759100. A total of 321 filers reported holding MARKWEST ENERGY PARTNERS L P in Q3 2014. The put-call ratio across all filers is 0.15 and the average weighting 0.8%.

Quarter-by-quarter ownership
JANUS HENDERSON INVESTORS US LLC ownership history of MARKWEST ENERGY PARTNERS L P
ValueSharesWeighting
Q3 2015$482,000,000
+69.7%
11,232,728
+123.0%
0.22%
-7.3%
Q2 2015$284,020,000
-27.3%
5,038,063
-14.7%
0.23%
-27.1%
Q1 2015$390,610,000
+8.0%
5,909,025
+9.8%
0.32%
+3.5%
Q4 2014$361,677,000
+40.1%
5,382,586
+60.2%
0.31%
+31.4%
Q3 2014$258,136,000
+464.5%
3,360,273
+426.0%
0.24%
+461.9%
Q2 2014$45,726,000638,8050.04%
Other shareholders
MARKWEST ENERGY PARTNERS L P shareholders Q3 2014
NameSharesValueWeighting ↓
M&R Follow-On Fund Management, LP 1,615,347$106,774,000100.00%
NGP MR Management, LLC 1,746,466$115,441,00096.14%
Stockbridge Partners LLC 3,165,918$209,267,00011.01%
C V STARR & CO INC 40,000$2,644,0009.22%
RR Advisors, LLC 836,000$55,229,0006.97%
ALPS ADVISORS INC 11,239,115$742,906,0006.08%
KAYNE ANDERSON CAPITAL ADVISORS LP 13,305,815$879,515,0005.95%
Heronetta Management, L.P. 159,720$10,557,0004.88%
TORTOISE CAPITAL ADVISORS, L.L.C. 11,388,160$752,757,0004.47%
TRAVELERS COMPANIES, INC. 272,000$17,979,0004.44%
View complete list of MARKWEST ENERGY PARTNERS L P shareholders