Athersys, Inc. (ATHX)

Healthcare: Biotechnology

As of September 30, 2011
Closing price on 09/30/2011:
$1.76
Filers who had this stock in their top 10:
0
13F Filers holding this stock:
21
Aggregate shares on 09/30/2011:
4,004,250
Aggregate shares on 06/30/2011:
4,057,471
Percent change:
-1.311679%

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Schedule 13D and 13G filings submitted since 09/30/2011

Filing Company Date of
Filing		 Total Reported
Shares Owned		 Shares Reported
on 13F
SC 13D/A ISALY SAMUEL D 04/29/2011 2,460,388 0
SC 13D/A ORBIMED ADVISORS LLC 04/29/2011 2,460,388 1,615,700
SC 13G ASPIRE CAPITAL FUND, LLC 12/02/2011 1,266,334 0
SC 13G PERCEPTIVE ADVISORS LLC 02/10/2012 1,456,797 1,504,000

13F Filers holding this stock

Quarter 1: Quarter 2:
*Shares are split adjusted