TESARO INC

CUSIP: 881569107 Class: COM

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

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

Q3 2017
Shares 13,128 Value ($000) $1,695 Avg Close — Range —
Q2 2017
Shares 10,041 Value ($000) $1,404 Avg Close — Range —
Q3 2016
Shares 2,500 Value ($000) $251 Avg Close — Range —
Q2 2016
Shares 3,700 Value ($000) $311 Avg Close — Range —
Q1 2016
Shares 2,000 Value ($000) $88 Avg Close — Range —