▁self ▁reported ▁information ▁and ▁has ▁not ▁been ▁aud ited ▁. ▁Card ios pect ra , ▁Inc ., ▁an ▁E TF ▁port folio ▁company , ▁was ▁acquired ▁by ▁Vol cano ▁Corporation ▁in ▁December ▁ 2 0 0 7 ▁for ▁$ 2 5 M ▁in ▁c ash ▁with ▁an ▁additional ▁$ 3 8 M ▁available ▁upon ▁the ▁achiev ement ▁of ▁specific ▁mil est ones . ▁E TF ' s ▁return ▁on ▁invest ment ▁on ▁the ▁Card ios pect ra ▁deal ▁was ▁ 2 1 6 % ▁as ▁of ▁January ▁ 2 0 1 1 . ▁Several ▁E TF ▁companies ▁have ▁been ▁acquired ▁and ▁there ▁has ▁been ▁one ▁Initial ▁Public ▁Of fer ing ▁since ▁the ▁fund ' s ▁in ception . ▁ ▁Christopher ▁Ban as ▁of ▁Pal maz ▁Scient ific , ▁Card ios pect ra ▁and ▁now ▁P ry or ▁Medical , ▁ ▁and ▁Paul ▁Cast ella ▁( Tex as ▁Technology ▁Fund , ▁Austin ) ▁file d ▁the ▁following ▁law suit , ▁" B AN AS ▁v . ▁V OL C AN O ▁C OR P . CASE ▁NO . ▁ 1 2 - CV - 0 1 5 3 5 - W HO " ........ " B anas ▁and ▁Cast ella ▁initi ated ▁this ▁action ▁against ▁Vol cano ▁seeking ▁millions ▁of ▁dollars . ▁It ▁would ▁be ▁pat ently ▁unf air ▁to ▁hold ▁that ▁Vol cano ▁wa ived ▁its ▁contract ual ▁right ▁to ▁att or ne ys ' ▁fe es ▁because ▁it ▁appropri ately ▁required ▁Ban as ▁and ▁Cast ella ▁to ▁ple ad ▁the ▁basis ▁for