MATTRESS FIRM HLDG CORP

CUSIP: 57722W106 Class: CMN

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q1 2015
Shares 53,317 Value ($000) $3,713 Avg Close — Range —
Q4 2014
Shares 140,536 Value ($000) $8,162 Avg Close — Range —
Q3 2014
Shares 140,053 Value ($000) $8,412 Avg Close — Range —
Q2 2014
Shares 184,204 Value ($000) $8,796 Avg Close — Range —
Q1 2014
Shares 192,349 Value ($000) $8,371 Avg Close — Range —