Epcos said in a statement on Tuesday Elliot founder Paul Singer and a number of Elliott subsidiaries now owned a stake of 5.19 percent or 3.4 percent in voting rights.
A spokeswoman for the German company said Epcos was not in contact with the financial investor and did not know what its intentions were.
Elliot was not immediately available for comment.
A spokesman for TDK said the Japanese electronic parts maker would continue with its plans to buy Epcos.
TDK has offered Epcos shareholders 17.85 euros per share. The offer runs until Oct 7. By Friday last week TDK had bought 29 percent of Epcos shares.
The company has said it wants to own at least 56 percent of Epcos and does not plan to delist it.
Epcos is Europe's biggest maker of passive electronic components that control the flow of electricity, supplying capacitors, inductors and surface acoustic wave parts for use in cars and consumer electronics.
Elliott Associates, a New-York based hedge fund with $10 billion in assets under management, recently failed in its takeover bid for Packeteer, which provides telecom equipment and makes wide area network (WAN) optimisation products.
Packeteer was later bought by rival Blue Coat Systems Inc
in 2007. Ultimately, Australian bank Macquarie won control of Techem after a year-long battle.
(Reporting by Jens Hack; editing by Elaine Hardcastle) Keywords: EPCOS/ELLIOTT tf.TFN-Europe_newsdesk@thomsonreuters.com cmr COPYRIGHT Copyright Thomson Financial News Limited 2008. All rights reserved. The copying, republication or redistribution of Thomson Financial News Content, including by framing or similar means, is expressly prohibited without the prior written consent of Thomson Financial News.
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