ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q1 2018
Shares 4,708,149 Value ($000) $385,503 Avg Close — Range —
Q4 2017
Shares 4,532,298 Value ($000) $291,290 Avg Close — Range —
Q3 2017
Shares 4,533,816 Value ($000) $243,375 Avg Close — Range —
Q2 2017
Shares 4,430,849 Value ($000) $239,930 Avg Close — Range —
Q1 2017
Shares 4,386,740 Value ($000) $212,888 Avg Close — Range —
Q4 2016
Shares 4,052,646 Value ($000) $178,964 Avg Close — Range —
Q3 2016
Shares 3,928,231 Value ($000) $142,555 Avg Close — Range —
Q2 2016
Shares 3,816,642 Value ($000) $141,025 Avg Close — Range —
Q1 2016
Shares 3,695,358 Value ($000) $136,433 Avg Close — Range —
Q4 2015
Shares 3,567,513 Value ($000) $160,359 Avg Close — Range —
Q3 2015
Shares 3,476,197 Value ($000) $128,271 Avg Close — Range —
Q2 2015
Shares 3,367,905 Value ($000) $132,291 Avg Close — Range —
Q1 2015
Shares 3,294,012 Value ($000) $126,391 Avg Close — Range —
Q4 2014
Shares 3,201,498 Value ($000) $106,257 Avg Close — Range —
Q3 2014
Shares 3,229,390 Value ($000) $86,710 Avg Close — Range —
Q2 2014
Shares 3,197,486 Value ($000) $113,734 Avg Close — Range —
Q1 2014
Shares 3,181,407 Value ($000) $122,770 Avg Close — Range —
Q4 2013
Shares 3,058,884 Value ($000) $106,817 Avg Close — Range —
Q3 2013
Shares 2,942,869 Value ($000) $97,115 Avg Close — Range —
Q2 2013
Shares 2,697,969 Value ($000) $72,089 Avg Close — Range —