I am not sure whether it was Fidelity's end of 3rd quarter filing or Fidelity added 10 million shares after the flash crash. If it is the former, then fidelity is the largest loser on Ariad. However, Fidelity plays with money using other people's money. If it is the latter, it seems to be good news for ARIA shareholders.
Early 2000, Fidelity was the No. 1 institutional holder with 1 million shares. Fidelity sold all of 1 million shares after ARIA started to drop from $48.50 early March, 2000. Fidelity had been keeping on the sideline until the 1st quarter of 2010 when it bought 15 million ARIA shares. Fidelity has been the No. 1 institutional holder of ARA since then.
The above is what I wrote to my friends on Nov. 12, 2013. ------
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