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 Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $1,116,000 | -50.0% | 26,000 | -34.3% | 0.02% | -51.6% |
| Q2 2015 | $2,233,000 | -20.5% | 39,600 | -6.8% | 0.03% | -29.5% |
| Q1 2015 | $2,809,000 | +280.1% | 42,500 | +286.4% | 0.04% | +300.0% |
| Q4 2014 | $739,000 | -20.5% | 11,000 | -9.1% | 0.01% | -21.4% |
| Q3 2014 | $930,000 | -16.1% | 12,100 | -21.9% | 0.01% | -17.6% |
| Q2 2014 | $1,109,000 | +18.7% | 15,500 | +8.4% | 0.02% | +6.2% |
| Q1 2014 | $934,000 | -62.1% | 14,300 | -61.7% | 0.02% | -56.8% |
| Q4 2013 | $2,467,000 | +33.9% | 37,300 | +46.3% | 0.04% | +5.7% |
| Q3 2013 | $1,842,000 | -37.1% | 25,500 | -41.8% | 0.04% | -51.4% |
| Q2 2013 | $2,928,000 | – | 43,800 | – | 0.07% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 37,300 | $2,467,000 | 0.04% |
| Virtu KCG Holdings LLC | 12,100 | $800,000 | 0.01% |
| Citadel Advisors | 44,000 | $2,910,000 | 0.00% |