MEDIVATION INC

CUSIP: 58501N101 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2016
Shares 71,915 Value ($000) $3,307 Avg Close — Range —
Q4 2015
Shares 1,285,764 Value ($000) $62,155 Avg Close — Range —
Q3 2015
Shares 1,442,958 Value ($000) $61,326 Avg Close — Range —
Q2 2015
Shares 1,343,387 Value ($000) $153,415 Avg Close — Range —
Q1 2015
Shares 2,654,175 Value ($000) $342,573 Avg Close — Range —
Q4 2014
Shares 2,713,903 Value ($000) $270,332 Avg Close — Range —
Q3 2014
Shares 1,955,663 Value ($000) $193,356 Avg Close — Range —
Q2 2014
Shares 2,030,132 Value ($000) $156,482 Avg Close — Range —
Q1 2014
Shares 2,265,487 Value ($000) $145,829 Avg Close — Range —
Q4 2013
Shares 2,000,453 Value ($000) $127,669 Avg Close — Range —
Q3 2013
Shares 212,214 Value ($000) $12,720 Avg Close — Range —