STERIS CORP

CUSIP: 859152100 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2015
Shares 2,744,784 Value ($000) $178,329 Avg Close — Range —
Q2 2015
Shares 1,240,193 Value ($000) $79,918 Avg Close — Range —
Q1 2015
Shares 1,208,457 Value ($000) $84,918 Avg Close — Range —
Q4 2014
Shares 1,218,268 Value ($000) $79,005 Avg Close — Range —
Q3 2014
Shares 537,601 Value ($000) $29,009 Avg Close — Range —
Q2 2014
Shares 396,921 Value ($000) $21,227 Avg Close — Range —
Q1 2014
Shares 560,171 Value ($000) $26,748 Avg Close — Range —
Q4 2013
Shares 613,446 Value ($000) $29,476 Avg Close — Range —
Q3 2013
Shares 839,496 Value ($000) $36,065 Avg Close — Range —
Q2 2013
Shares 826,356 Value ($000) $35,434 Avg Close — Range —