OM GROUP INC

CUSIP: 670872100 Class: COM

GABELLI FUNDS LLC's Holding History (CIK: 0001081407)

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

Q3 2015
Shares 380,600 Value ($000) $12,518 Avg Close — Range —
Q2 2015
Shares 117,093 Value ($000) $3,934 Avg Close — Range —