TESARO INC

CUSIP: 881569107 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2016
Shares 7,271 Value ($000) $978 Avg Close — Range —
Q3 2016
Shares 14,302 Value ($000) $1,434 Avg Close — Range —
Q1 2015
Shares 33,241 Value ($000) $1,908 Avg Close — Range —
Q4 2014
Shares 48,160 Value ($000) $1,791 Avg Close — Range —
Q4 2013
Shares 47,857 Value ($000) $1,351 Avg Close — Range —
Q3 2013
Shares 54,694 Value ($000) $2,119 Avg Close — Range —
Q2 2013
Shares 44,320 Value ($000) $1,451 Avg Close — Range —