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

Institutional Holders (2017Q1)
Portfolio Summary: 4 Institutional holders with a total value of $23,376,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 697 10,725,000 45.88% Put
2 GROUP ONE TRADING LLC 65,200 10,032,000 42.92% Put
3 Pentwater Capital Management LP 12,000 1,846,000 7.90% Put
4 SIMPLEX TRADING, LLC 702 773,000 3.31% 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.