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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $34,748,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 156 95,000 0.27% Call
2 GROUP ONE TRADING LLC 35,300 1,990,000 5.73% Call
3 CITADEL ADVISORS LLC 39,600 2,233,000 6.43% Call
4 KGH Ltd 1,665,000 30,430,000 87.57% 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.