MEDICINES CO

CUSIP: 584688105 Class: COM

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

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

Q4 2019
Shares 1,368,720 Value ($000) $116,259 Avg Close — Range —
Q3 2019
Shares 6,468,402 Value ($000) $323,420 Avg Close — Range —
Q2 2019
Shares 4,647,008 Value ($000) $169,476 Avg Close — Range —
Q1 2019
Shares 5,290,481 Value ($000) $147,869 Avg Close — Range —
Q4 2018
Shares 4,604,719 Value ($000) $88,134 Avg Close — Range —
Q3 2018
Shares 3,787,211 Value ($000) $113,275 Avg Close — Range —
Q2 2018
Shares 3,281,183 Value ($000) $120,419 Avg Close — Range —
Q1 2018
Shares 3,029,611 Value ($000) $99,795 Avg Close — Range —
Q4 2017
Shares 2,904,475 Value ($000) $79,408 Avg Close — Range —
Q3 2017
Shares 2,476,778 Value ($000) $91,740 Avg Close — Range —
Q2 2017
Shares 2,031,359 Value ($000) $77,212 Avg Close — Range —
Q1 2017
Shares 194,000 Value ($000) $9,487 Avg Close — Range —
Q3 2014
Shares 16,900 Value ($000) $377 Avg Close — Range —
Q2 2014
Shares 22,200 Value ($000) $645 Avg Close — Range —