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

Institutional Holders (2014Q3)
Portfolio Summary: 3 Institutional holders with a total value of $1,522,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 47,500 1,279,000 84.03% Put
2 CITADEL ADVISORS LLC 8,900 240,000 15.77% Put
3 PEAK6 Group LLC 100 3,000 0.20% 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.