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13G Filing: Partner Fund Management and Medicines Co (MDCO)

Published on May 1, 2017 at 4:16 pm by Insider Monkey Staff in Hedge Funds

Page 10 of 13

Page 10 of 13 – SEC Filing

CUSIP No. 584688105

13G

Page 10 of 13 Pages

Item 4

Ownership

A.

Partner Fund Management, L.P. and Partner Fund Management
GP, LLC

(a)

PFM and PFM-GP may be deemed to beneficially own 3,881,971 shares of Common Stock.

(b)

The number of shares PFM and PFM-GP may be deemed to beneficially own constitutes approximately 5.3%
of the Common Stock outstanding.

(c)

Number of shares as to which such person has:

(i)

sole power to vote or to direct the vote: 0

(ii)

shared power to vote or to direct the vote: 3,881,971

(iii)

sole power to dispose or to direct the disposition of: 0

(iv)

shared power to dispose or to direct the disposition of: 3,881,971

B.

Partner Investment Management, L.P. and Partner Investment Management GP, LLC

(a)

PIM and PIM-GP may be deemed to beneficially own 72,502 shares of Common Stock.

(b)

The number of shares PIM and PIM-GP may be deemed to beneficially own constitutes approximately 0.1%
of the Common Stock outstanding.

(c)

Number of shares as to which such person has:

(i)

sole power to vote or to direct the vote: 0

(ii)

shared power to vote or to direct the vote: 72,502

(iii)

sole power to dispose or to direct the disposition of: 0

(iv)

shared power to dispose or to direct the disposition of: 72,502

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Page 10 of 13

NASDAQ:MDCO SEC 13G Filing Medicines Co (MDCO)Partner Fund Management