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MOMENTA PHARMACEUTICALS INC
MOMENTA PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 4 Institutional holders with a total value of $2,995,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,729 2,014,000 67.25% Call
2 GROUP ONE TRADING LLC 55,300 644,000 21.50% Call
3 CITADEL ADVISORS LLC 28,400 331,000 11.05% Call
4 AlphaMark Advisors, LLC 290 6,000 0.20% Call SH

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.