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

Institutional Holders (2014Q3)
Portfolio Summary: 4 Institutional holders with a total value of $6,547,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,607 4,326,000 66.08% Call
2 GROUP ONE TRADING LLC 65,700 1,769,000 27.02% Call
3 PEAK6 Group LLC 12,400 334,000 5.10% Call
4 CITADEL ADVISORS LLC 4,400 118,000 1.80% 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.