13D
13D 13DRequired SEC filing by 5% or more shareholder. The filing is often used by activist investors. A passive investor may file the shorter 13G.
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Carl Icahn Raises Stake in WebMD Health Corp. (WBMD) to 9.49%
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Form SC 13D/A WebMD Health Corp. Filed by: ICAHN CARL C
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Carl Icahn Shows New 7.94% Stake in WebMD Health Corp. (WBMD)
