(Corrects to show Nomura sole counterparty in fourth paragraph.)
Amadeus IT Holding SA (AMS) fell as much as 6.9 percent in Madrid trading after International Consolidated Airlines Group SA (IAG) hedged a 6.7 percent stake in the company.
Amadeus fell as low as 16.23 euros and traded down 4.9 percent at 16.58 euros at 10:23 a.m.
IAG hedged its stake at 16.50 euros per share it said in a regulatory filing today.
Nomura Holdings Inc., the sole counterparty in the derivatives transaction, sold 492 million euros ($609 million) in Amadeus shares today to hedge its position in the deal.
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