ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q1 2018
Shares 560,282 Value ($000) $45,876 Avg Close — Range —
Q4 2017
Shares 299,186 Value ($000) $19,230 Avg Close — Range —
Q2 2017
Shares 585 Value ($000) $32 Avg Close — Range —
Q1 2017
Shares 12,381 Value ($000) $601 Avg Close — Range —
Q4 2015
Shares 26 Value ($000) $1 Avg Close — Range —
Q2 2015
Shares 15,226 Value ($000) $598 Avg Close — Range —