Momenta Pharmaceuticals, Inc. (MNTA)

[DewDiligence]

MNTA Major Shareholders

[Updated for various 13G filings showing 12/31/14 holdings.]


The table below shows the shareholdings of all MNTA shareholders
who filed SEC Form 13G during the past 12 months; the table
entries are not updated from quarterly filings on Form 13F-HR,
and hence they may not coincide precisely with the amounts shown
on Form 13F-HR.

The percentages in the table are based on 54.3M diluted shares
(#msg-76922372) and do not concur with the percentages on
SEC Form 13G, which uses a different formula.

 
                            Shares    Stake 
 BlackRock                 5,085,111   9.4%  
 Novartis                  4,708,679   8.7% 
 Vanguard                  3,060,995   5.6% 
 FMR                       2,816,814   5.2% 
 Primecap Mgmt             2,670,600   4.9% 
 T Rowe Price              2,588,612   4.8% 
 Visium Asset Mgmt           780,149   1.4%