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

Institutional Holders (2015Q1)
Portfolio Summary: 4 Institutional holders with a total value of $43,290,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 KGH Ltd 1,203,600 36,529,000 84.38% Call
2 GROUP ONE TRADING LLC 52,400 3,464,000 8.00% Call
3 CITADEL ADVISORS LLC 49,700 3,285,000 7.59% Call
4 SIMPLEX TRADING, LLC 75 12,000 0.03% 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.