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ZAFGEN INC
ZAFGEN INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 2 Institutional holders with a total value of $752,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 110 381,000 50.66% Call
2 GROUP ONE TRADING LLC 10,700 371,000 49.34% Call

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.