TESARO INC

CUSIP: 881569107 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2018
Shares 450,355 Value ($000) $33,439 Avg Close — Range —
Q3 2018
Shares 3,139,778 Value ($000) $122,483 Avg Close — Range —
Q2 2018
Shares 1,764,417 Value ($000) $78,464 Avg Close — Range —
Q1 2018
Shares 242,260 Value ($000) $13,843 Avg Close — Range —