TESARO INC

CUSIP: 881569107 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2018
Shares 1,005,279 Value ($000) $74,642 Avg Close — Range —
Q3 2018
Shares 6,931,513 Value ($000) $270,397 Avg Close — Range —
Q2 2018
Shares 5,203,108 Value ($000) $231,381 Avg Close — Range —
Q1 2018
Shares 7,571,909 Value ($000) $432,659 Avg Close — Range —
Q4 2017
Shares 7,509,011 Value ($000) $622,273 Avg Close — Range —
Q3 2017
Shares 6,609,797 Value ($000) $853,324 Avg Close — Range —
Q2 2017
Shares 5,147,685 Value ($000) $719,955 Avg Close — Range —
Q1 2017
Shares 4,246,905 Value ($000) $653,472 Avg Close — Range —
Q4 2016
Shares 3,439,422 Value ($000) $462,534 Avg Close — Range —
Q3 2016
Shares 2,931,027 Value ($000) $293,806 Avg Close — Range —
Q2 2016
Shares 3,354,159 Value ($000) $281,916 Avg Close — Range —
Q1 2016
Shares 4,204,477 Value ($000) $185,122 Avg Close — Range —
Q4 2015
Shares 3,386,562 Value ($000) $177,187 Avg Close — Range —
Q3 2015
Shares 3,215,553 Value ($000) $128,943 Avg Close — Range —
Q2 2015
Shares 3,388,225 Value ($000) $199,194 Avg Close — Range —
Q1 2015
Shares 4,264,704 Value ($000) $244,795 Avg Close — Range —
Q4 2014
Shares 5,022,323 Value ($000) $186,780 Avg Close — Range —
Q3 2014
Shares 4,789,067 Value ($000) $128,921 Avg Close — Range —
Q2 2014
Shares 4,359,831 Value ($000) $135,635 Avg Close — Range —
Q1 2014
Shares 3,707,235 Value ($000) $109,290 Avg Close — Range —
Q4 2013
Shares 3,336,267 Value ($000) $94,216 Avg Close — Range —
Q3 2013
Shares 3,188,876 Value ($000) $123,538 Avg Close — Range —
Q2 2013
Shares 3,129,372 Value ($000) $102,457 Avg Close — Range —