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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 $3,908,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 65,900 2,050,000 52.46% Put
2 SABBY MANAGEMENT, LLC 500 1,556,000 39.82% Put
3 CITADEL ADVISORS LLC 9,700 302,000 7.73% 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.