GROUP ONE TRADING, L.P. - AASTROM BIOSCIENCES INC ownership

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AASTROM BIOSCIENCES INC's ticker is ASTM and the CUSIP is 00253U305. A total of 34 filers reported holding AASTROM BIOSCIENCES INC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of AASTROM BIOSCIENCES INC
ValueSharesWeighting
Q4 2013$0–14
-94.7%
0.00%–
Q3 2013$0–2660.0%0.00%–
Q2 2013$0–266–0.00%–
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Other shareholders
AASTROM BIOSCIENCES INC shareholders Q3 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 14$00.00%
View complete list of AASTROM BIOSCIENCES INC shareholders