MARKWEST ENERGY PARTNERS L P's ticker is MWE and the CUSIP is 570759100. A total of 305 filers reported holding MARKWEST ENERGY PARTNERS L P in Q1 2014. The put-call ratio across all filers is 0.14 and the average weighting 0.5%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| M&R Follow-On Fund Management, LP | 1,615,347 | $106,774,000 | 100.00% |
| NGP MR Management, LLC | 1,746,466 | $115,441,000 | 96.14% |
| Stockbridge Partners LLC | 3,165,918 | $209,267,000 | 11.01% |
| C V STARR & CO INC | 40,000 | $2,644,000 | 9.22% |
| RR Advisors, LLC | 836,000 | $55,229,000 | 6.97% |
| ALPS ADVISORS INC | 11,239,115 | $742,906,000 | 6.08% |
| KAYNE ANDERSON CAPITAL ADVISORS LP | 13,305,815 | $879,515,000 | 5.95% |
| Heronetta Management, L.P. | 159,720 | $10,557,000 | 4.88% |
| TORTOISE CAPITAL ADVISORS, L.L.C. | 11,388,160 | $752,757,000 | 4.47% |
| TRAVELERS COMPANIES, INC. | 272,000 | $17,979,000 | 4.44% |