Latest SEC filings show 143 hedge funds and institutional investors own Momenta Pharmaceuticals Inc. The institutional ownership of the company in Q4 2014 is high, at 83.13% of the shares outstanding. They increased by 1,402,845 the total shares they hold. As of that quarter {4th - '14} these institutional investors owned 45,299,169 shares. A total of 19 funds opened new positions in Momenta Pharmaceuticals Inc and 41 increased their holdings. There were 17 funds that closed their positions and 54 that reduced them.
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