TESORO CORP

CUSIP: 881609101 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q2 2017
Shares 1,053,329 Value ($000) $98,592 Avg Close — Range —
Q1 2017
Shares 740,032 Value ($000) $59,987 Avg Close — Range —
Q4 2016
Shares 719,855 Value ($000) $62,951 Avg Close — Range —
Q3 2016
Shares 297,510 Value ($000) $23,670 Avg Close — Range —
Q1 2016
Shares 710,220 Value ($000) $61,086 Avg Close — Range —
Q4 2015
Shares 1,147,017 Value ($000) $120,861 Avg Close — Range —
Q3 2015
Shares 1,535,119 Value ($000) $149,275 Avg Close — Range —
Q2 2015
Shares 1,881,831 Value ($000) $158,845 Avg Close — Range —
Q1 2015
Shares 2,036,626 Value ($000) $185,924 Avg Close — Range —
Q4 2014
Shares 2,454,641 Value ($000) $182,503 Avg Close — Range —
Q3 2014
Shares 3,882,336 Value ($000) $236,745 Avg Close — Range —
Q2 2014
Shares 3,861,562 Value ($000) $226,558 Avg Close — Range —
Q1 2014
Shares 3,413,181 Value ($000) $172,673 Avg Close — Range —
Q4 2013
Shares 3,833,016 Value ($000) $224,231 Avg Close — Range —
Q3 2013
Shares 4,345,419 Value ($000) $191,112 Avg Close — Range —
Q2 2013
Shares 4,557,949 Value ($000) $238,471 Avg Close — Range —