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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $3,043,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 200 1,176,000 38.65% Put
2 CITADEL ADVISORS LLC 19,900 1,170,000 38.45% Put
3 GROUP ONE TRADING LLC 11,700 688,000 22.61% Put
4 SIMPLEX TRADING, LLC 11 9,000 0.30% Put

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.