MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q2 2017
Shares 6,805,886 Value ($000) $8,440 Avg Close — Range —
Q1 2017
Shares 10,265,752 Value ($000) $31,618 Avg Close — Range —
Q4 2016
Shares 9,194,936 Value ($000) $37,515 Avg Close — Range —
Q3 2016
Shares 9,007,633 Value ($000) $57,199 Avg Close — Range —
Q2 2016
Shares 10,196,415 Value ($000) $54,958 Avg Close — Range —
Q1 2016
Shares 9,238,227 Value ($000) $77,324 Avg Close — Range —
Q4 2015
Shares 10,313,245 Value ($000) $81,474 Avg Close — Range —
Q3 2015
Shares 9,766,632 Value ($000) $83,114 Avg Close — Range —
Q2 2015
Shares 9,379,287 Value ($000) $115,975 Avg Close — Range —
Q1 2015
Shares 8,707,054 Value ($000) $103,440 Avg Close — Range —
Q4 2014
Shares 6,616,429 Value ($000) $74,765 Avg Close — Range —
Q3 2014
Shares 5,620,186 Value ($000) $49,345 Avg Close — Range —
Q2 2014
Shares 5,396,583 Value ($000) $39,340 Avg Close — Range —
Q1 2014
Shares 5,270,626 Value ($000) $26,564 Avg Close — Range —
Q4 2013
Shares 4,979,705 Value ($000) $26,592 Avg Close — Range —
Q3 2013
Shares 4,696,473 Value ($000) $17,847 Avg Close — Range —
Q2 2013
Shares 3,759,537 Value ($000) $25,302 Avg Close — Range —