ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2017
Shares 135,734 Value ($000) $8,724 Avg Close — Range —
Q3 2017
Shares 121,336 Value ($000) $6,513 Avg Close — Range —
Q2 2017
Shares 118,741 Value ($000) $6,430 Avg Close — Range —
Q1 2017
Shares 119,863 Value ($000) $5,817 Avg Close — Range —
Q4 2016
Shares 92,834 Value ($000) $4,100 Avg Close — Range —
Q3 2016
Shares 89,728 Value ($000) $3,256 Avg Close — Range —
Q2 2016
Shares 85,813 Value ($000) $3,171 Avg Close — Range —
Q1 2016
Shares 84,641 Value ($000) $3,125 Avg Close — Range —
Q4 2015
Shares 83,071 Value ($000) $3,734 Avg Close — Range —
Q3 2015
Shares 76,441 Value ($000) $2,821 Avg Close — Range —
Q2 2015
Shares 74,014 Value ($000) $2,907 Avg Close — Range —
Q1 2015
Shares 78,484 Value ($000) $3,011 Avg Close — Range —
Q4 2014
Shares 69,964 Value ($000) $2,322 Avg Close — Range —
Q3 2014
Shares 72,634 Value ($000) $1,950 Avg Close — Range —
Q2 2014
Shares 72,474 Value ($000) $2,578 Avg Close — Range —
Q1 2014
Shares 68,562 Value ($000) $2,646 Avg Close — Range —
Q4 2013
Shares 71,332 Value ($000) $2,491 Avg Close — Range —
Q3 2013
Shares 71,032 Value ($000) $2,344 Avg Close — Range —
Q2 2013
Shares 71,551 Value ($000) $1,912 Avg Close — Range —