ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

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

Q2 2018
Shares 1,710,100 Value ($000) $133,713 Avg Close — Range —
Q1 2018
Shares 1,810,100 Value ($000) $148,211 Avg Close — Range —
Q4 2017
Shares 1,910,100 Value ($000) $122,762 Avg Close — Range —
Q3 2017
Shares 1,910,100 Value ($000) $102,534 Avg Close — Range —
Q2 2017
Shares 1,810,100 Value ($000) $98,017 Avg Close — Range —
Q1 2017
Shares 2,060,100 Value ($000) $99,977 Avg Close — Range —
Q4 2016
Shares 2,135,800 Value ($000) $94,317 Avg Close — Range —
Q3 2016
Shares 2,374,015 Value ($000) $86,153 Avg Close — Range —
Q2 2016
Shares 2,374,015 Value ($000) $87,720 Avg Close — Range —
Q1 2016
Shares 2,377,515 Value ($000) $87,778 Avg Close — Range —
Q4 2015
Shares 2,363,546 Value ($000) $106,241 Avg Close — Range —
Q3 2015
Shares 2,425,140 Value ($000) $89,488 Avg Close — Range —
Q2 2015
Shares 2,425,140 Value ($000) $95,259 Avg Close — Range —
Q1 2015
Shares 2,187,056 Value ($000) $83,917 Avg Close — Range —
Q4 2014
Shares 2,187,056 Value ($000) $72,588 Avg Close — Range —
Q3 2014
Shares 2,387,056 Value ($000) $64,092 Avg Close — Range —
Q2 2014
Shares 1,898,350 Value ($000) $67,524 Avg Close — Range —
Q1 2014
Shares 1,197,250 Value ($000) $46,202 Avg Close — Range —
Q4 2013
Shares 1,097,250 Value ($000) $38,316 Avg Close — Range —
Q3 2013
Shares 1,097,250 Value ($000) $36,209 Avg Close — Range —
Q2 2013
Shares 1,000,000 Value ($000) $26,720 Avg Close — Range —