OM GROUP INC

CUSIP: 670872100 Class: COM

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

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

Q3 2015
Shares 1,052,566 Value ($000) $34,619 Avg Close — Range —
Q2 2015
Shares 1,309,432 Value ($000) $43,997 Avg Close — Range —