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

Institutional Holders (2014Q2)
Portfolio Summary: 3 Institutional holders with a total value of $4,317,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,281 3,985,000 92.31% Call
2 GROUP ONE TRADING LLC 10,300 320,000 7.41% Call
3 CITADEL ADVISORS LLC 400 12,000 0.28% 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.