MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

ADVISORY RESEARCH INC's Holding History (CIK: 0000902584)

Note: Option positions (PUT/CALL) are excluded.

Q3 2015
Shares 1,388,461 Value ($000) $59,579 Avg Close — Range —
Q2 2015
Shares 1,390,161 Value ($000) $78,378 Avg Close — Range —
Q1 2015
Shares 1,390,481 Value ($000) $91,911 Avg Close — Range —
Q4 2014
Shares 1,395,790 Value ($000) $93,783 Avg Close — Range —
Q3 2014
Shares 1,834,752 Value ($000) $140,945 Avg Close — Range —
Q2 2014
Shares 1,983,052 Value ($000) $141,946 Avg Close — Range —
Q1 2014
Shares 2,444,104 Value ($000) $159,649 Avg Close — Range —
Q4 2013
Shares 2,401,516 Value ($000) $158,812 Avg Close — Range —
Q3 2013
Shares 2,404,771 Value ($000) $173,696 Avg Close — Range —
Q2 2013
Shares 2,309,361 Value ($000) $154,381 Avg Close — Range —