OM GROUP INC

CUSIP: 670872100 Class: COM

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q3 2015
Shares 8,702 Value ($000) $286 Avg Close — Range —
Q2 2015
Shares 32,834 Value ($000) $1,103 Avg Close — Range —
Q1 2015
Shares 32,425 Value ($000) $974 Avg Close — Range —
Q4 2014
Shares 32,425 Value ($000) $966 Avg Close — Range —