Bill Gross on lawsuit: 'I didn't have much to gain except for my self respect'

Bill Gross Interview Pic

Billionaire fund manage Bill Gross claims he has suffered damages in excess of $200 million from Pimco, his former employer.

When billionaire investing guru Bill Gross announced last October that he planned to sue his former employer, some were left scratching their heads as to why he'd bother. But for Gross, that answer is simple: self respect.

Gross, who is now lead portfolio manager at Janus Capital , told CNBC about the continued frustration that led to his lawsuit against Pimco — the investing giant he helped found.

"I knew I didn't have much to gain except for my self respect," he said of the lawsuit. "I thought I was treated unfairly on the way out from Pimco (: ): They fired me without really giving a reason for it. There was a small coup of individuals that threatened to resign if I didn't."

Gross's suit alleges that his dismissal was a breach of contract and a breach of covenant of good faith and fair dealing. The fund manager says he has suffered damages in excess of $200 million. Despite that large sum, Gross has said he will donate all of the proceeds to charity.

"I thought it was unfair. I wanted to stay at Pimco, I wanted to step back from CIO and to manage some smaller accounts, even giving up the Total Return Fund, but it didn't seem to work for them and I always wondered why," he said. "So I wanted to gain back some self-respect because they let me go without even telling me why I was supposed to leave."

Asked if he thought he'd win, Gross simply responded, "Oh yeah."

Gross left Pimco in September 2014 amid consternation about his investment returns and supposedly erratic behavior.

Pimco, for its part, has said Gross had no employment guarantee and could have been fired at any time without cause, according to Reuters.

This is the second part of a three-part series of exclusive CNBC interviews with Bill Gross. Read the first segment here .

— CNBC's Brian Sullivan contributed to this report.

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