U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q1 2017
Shares 868,590 Value ($000) $41,684 Avg Close — Range —
Q4 2016
Shares 870,343 Value ($000) $49,331 Avg Close — Range —
Q3 2016
Shares 538,296 Value ($000) $25,063 Avg Close — Range —
Q2 2016
Shares 549,146 Value ($000) $18,929 Avg Close — Range —
Q4 2015
Shares 265,958 Value ($000) $4,981 Avg Close — Range —
Q3 2014
Shares 362,300 Value ($000) $22,647 Avg Close — Range —
Q2 2014
Shares 709,703 Value ($000) $39,346 Avg Close — Range —
Q1 2014
Shares 1,622,079 Value ($000) $61,915 Avg Close — Range —
Q4 2013
Shares 1,331,557 Value ($000) $45,419 Avg Close — Range —