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

Institutional Holders (2016Q3)
Portfolio Summary: 4 Institutional holders with a total value of $6,903,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 333 3,338,000 48.36% Call
2 GROUP ONE TRADING LLC 33,100 3,318,000 48.07% Call
3 SIMPLEX TRADING, LLC 519 167,000 2.42% Call
4 ADVENT CAPITAL MANAGEMENT /DE/ 200 80,000 1.16% 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.