MARKWEST ENERGY PARTNERS L P's ticker is and the CUSIP is 570759900. A total of 4 filers reported holding MARKWEST ENERGY PARTNERS L P in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $4,034,000 | +102.7% | 94,000 | +166.3% | 0.06% | +100.0% |
| Q2 2015 | $1,990,000 | -42.6% | 35,300 | -32.6% | 0.03% | -48.1% |
| Q1 2015 | $3,464,000 | +80.9% | 52,400 | +83.9% | 0.05% | +86.2% |
| Q4 2014 | $1,915,000 | -42.8% | 28,500 | -34.6% | 0.03% | -44.2% |
| Q3 2014 | $3,349,000 | +57.5% | 43,600 | +46.8% | 0.05% | +57.6% |
| Q2 2014 | $2,126,000 | +190.4% | 29,700 | +165.2% | 0.03% | +175.0% |
| Q1 2014 | $732,000 | +25.8% | 11,200 | +27.3% | 0.01% | +33.3% |
| Q4 2013 | $582,000 | -62.5% | 8,800 | -59.1% | 0.01% | -70.0% |
| Q3 2013 | $1,553,000 | -41.5% | 21,500 | -45.8% | 0.03% | -53.8% |
| Q2 2013 | $2,654,000 | – | 39,700 | – | 0.06% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| KGH Ltd | 12,131 | $31,726,000 | 1.98% |
| GROUP ONE TRADING, L.P. | 28,500 | $1,915,000 | 0.03% |
| SIMPLEX TRADING, LLC | 125 | $52,000 | 0.01% |
| Citadel Advisors | 41,100 | $2,762,000 | 0.00% |