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

Institutional Holders (2015Q2)
Portfolio Summary: 48 Institutional holders with a total value of $10,741,121.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 2,590,288 3,134,000 29.18%
2 PRUDENTIAL PLC 2,000,000 2,420,000 22.53%
3 GREAT POINT PARTNERS LLC 807,700 977,000 9.10% Call
4 MORGAN STANLEY 482,178 583,000 5.43%
5 GEODE CAPITAL MANAGEMENT, LLC 433,971 525,000 4.89%
6 GOLDMAN SACHS GROUP INC 401,778 486,000 4.52%
7 BlackRock Fund Advisors 228,865 277,000 2.58%
8 SUSQUEHANNA INTERNATIONAL GROUP, LLP 182,600 221,000 2.06% Call
9 BlackRock Institutional Trust Company, N.A. 181,008 219,000 2.04%
10 Altus Capital Inc. 168,500 204,000 1.90%
11 LADENBURG THALMANN FINANCIAL SERVICES INC. 136,023 165,000 1.54%
12 BANK OF AMERICA CORP /DE/ 124,600 151,000 1.41%
13 NEXT Financial Group, Inc 113,000 136,000 1.27%
14 NORTHERN TRUST CORP 111,897 135,000 1.26%
15 GROUP ONE TRADING LLC 108,317 131,000 1.22%
16 GREAT POINT PARTNERS LLC 100,000 121,000 1.13% Put
17 Bank of New York Mellon Corp 95,986 116,000 1.08%
18 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 85,400 103,000 0.96%
19 SUSQUEHANNA INTERNATIONAL GROUP, LLP 81,900 99,000 0.92% Put
20 Winfield Associates, Inc. 55,750 67,000 0.62%
21 STATE STREET CORP 51,500 63,000 0.59%
22 Virtu KCG Holdings LLC 45,085 55,000 0.51%
23 Commonwealth Equity Services, Inc 45,600 55,000 0.51%
24 Parallax Volatility Advisers, L.P. 42,500 51,000 0.47% Call
25 Spot Trading L.L.C 25,000 30,000 0.28% Call
26 WealthTrust Fairport, LLC 19,252 23,000 0.21%
27 BLACKROCK ADVISORS LLC 16,987 21,000 0.20%
28 LPL Financial LLC 17,375 21,000 0.20%
29 GLENMEDE TRUST CO NA 15,500 18,000 0.17%
30 TFS CAPITAL LLC 14,703 18,000 0.17%
31 BlackRock Investment Management, LLC 13,550 16,000 0.15%
32 SUSQUEHANNA INTERNATIONAL GROUP, LLP 10,703 13,000 0.12%
33 MARATHON CAPITAL MANAGEMENT 10,000 12,000 0.11%
34 UMB Bank, n.a. 10,000 12,000 0.11%
35 Cambridge Investment Research Advisors, Inc. 10,000 12,000 0.11%
36 WELLS FARGO & COMPANY/MN 8,675 10,000 0.09%
37 Tower Research Capital LLC (TRC) 7,898 10,000 0.09%
38 UBS Group AG 7,800 9,000 0.08%
39 ADVANTAGE INVESTMENT MANAGEMENT, LLC 6,000 7,000 0.07%
40 CANADA LIFE ASSURANCE Co 4,000 5,000 0.05%
41 Spot Trading L.L.C 4,200 5,000 0.05% Put
42 PNC FINANCIAL SERVICES GROUP, INC. 1,500 2,000 0.02%
43 Beacon Capital Management, Inc. 505 1,000 0.01%
44 UBS Group AG 1,000 1,000 0.01% Put
45 Spot Trading L.L.C 1,181 1,000 0.01%
46 AMERICAN INTERNATIONAL GROUP, INC. 100 121 0.00%
47 ROYAL BANK OF CANADA 324 0 0.00%
48 CITIGROUP INC 61 0 0.00%

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.