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

Institutional Holders (2014Q3)
Portfolio Summary: 3 Institutional holders with a total value of $240,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,023 142,000 59.17% Put
2 GROUP ONE TRADING LLC 65,900 92,000 38.33% Put
3 CITADEL ADVISORS LLC 4,500 6,000 2.50% 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.