ATHERSYS INC

CUSIP: 04744L106 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

Note: Option positions (PUT/CALL) are excluded.

Q2 2022
Shares 37,800 Value ($000) $10 Avg Close Range
Q1 2022
Shares 49,300 Value ($000) $30 Avg Close Range
Q4 2021
Shares 49,300 Value ($000) $44 Avg Close Range
Q3 2021
Shares 54,800 Value ($000) $73 Avg Close Range
Q2 2021
Shares 74,800 Value ($000) $108 Avg Close Range
Q1 2021
Shares 74,800 Value ($000) $135 Avg Close Range
Q4 2020
Shares 58,300 Value ($000) $102 Avg Close Range
Q3 2020
Shares 53,550 Value ($000) $104 Avg Close Range
Q2 2020
Shares 47,550 Value ($000) $131 Avg Close Range
Q1 2020
Shares 49,320 Value ($000) $148 Avg Close Range
Q4 2019
Shares 41,250 Value ($000) $51 Avg Close Range
Q3 2019
Shares 42,600 Value ($000) $57 Avg Close Range
Q2 2019
Shares 67,248 Value ($000) $113 Avg Close Range
Q1 2019
Shares 68,548 Value ($000) $103 Avg Close Range
Q4 2018
Shares 70,904 Value ($000) $102 Avg Close Range
Q3 2018
Shares 97,904 Value ($000) $206 Avg Close Range
Q2 2018
Shares 97,904 Value ($000) $193 Avg Close Range
Q1 2018
Shares 95,404 Value ($000) $175 Avg Close Range
Q4 2017
Shares 184,789 Value ($000) $334 Avg Close Range
Q3 2017
Shares 196,459 Value ($000) $405 Avg Close Range
Q2 2017
Shares 80,804 Value ($000) $122 Avg Close Range
Q1 2017
Shares 10,000 Value ($000) $12 Avg Close Range
Q4 2016
Shares 10,000 Value ($000) $15 Avg Close Range
Q3 2016
Shares 10,000 Value ($000) $21 Avg Close Range
Q2 2016
Shares 10,000 Value ($000) $22 Avg Close Range