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MARKWEST ENERGY PARTNERS L P
MARKWEST ENERGY PARTNERS L P. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 4 Institutional holders with a total value of $36,455,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 KGH Ltd 12,131 31,726,000 87.03% Call
2 CITADEL ADVISORS LLC 41,100 2,762,000 7.58% Call
3 GROUP ONE TRADING LLC 28,500 1,915,000 5.25% Call
4 SIMPLEX TRADING, LLC 125 52,000 0.14% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.