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

Institutional Holders (2016Q4)
Portfolio Summary: 7 Institutional holders with a total value of $57,823,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PFM Health Sciences, LP 221,100 29,734,000 51.42% Put
2 Pentwater Capital Management LP 75,000 10,086,000 17.44% Put
3 SABBY MANAGEMENT, LLC 563 7,571,000 13.09% Put
4 NEXTHERA CAPITAL LP 50,000 6,724,000 11.63% Put
5 GROUP ONE TRADING LLC 22,500 3,026,000 5.23% Put
6 Partner Investment Management, L.P. 3,900 524,000 0.91% Put
7 SIMPLEX TRADING, LLC 500 158,000 0.27% 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.