TESARO INC

CUSIP: 881569107 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2018
Shares 26,133 Value ($000) $1,940 Avg Close — Range —
Q3 2018
Shares 25,910 Value ($000) $1,011 Avg Close — Range —
Q2 2018
Shares 25,937 Value ($000) $1,153 Avg Close — Range —
Q1 2018
Shares 25,937 Value ($000) $1,482 Avg Close — Range —
Q4 2017
Shares 25,937 Value ($000) $2,149 Avg Close — Range —
Q3 2017
Shares 19,921 Value ($000) $2,572 Avg Close — Range —