Yahoo and Dan Loeb not parting on good terms

Marissa Mayer
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Marissa Mayer

The relationship between Yahoo CEO Marissa Mayer and activist investor Dan Loeb—who was the primary player in recruiting her for the top position—has apparently gone sour. (Read more: Yahoo CEO Should Be Fired Over Resume Error: Loeb)

While Loeb's complaints about Mayer's predecessor helped set in motion an opening for her to get the job, differences in opinion about Yahoo's current strategy have caused a rift, the New York Post reports.

(Read more: Yahoo's acquisition spree all about tackling mobile)

Loeb wanted Mayer to lay off 20 percent to 30 percent of Yahoo's employees after taking over, according to the Post. And while she initially supported the idea, she changed her mind and made only minor cuts, the report said.

A Yahoo spokesman declined to comment on the report and a spokesman for Loeb did not respond to a request for comment, according to the report.

Last month, Yahoo announced that Loeb and two other Yahoo directors nominated by his Third Point hedge fund were resigning.

Read the full New York Post story here.

By CNBC's Cadie Thompson. Follow her on Twitter @CadieThompson.