(Bloomberg) -- Pacific Investment Management Co.’s biggest mutual fund suffered about $11.6 billion in withdrawals in January, the 21st straight month of redemptions at the investment fund created and formerly run by bond manager Bill Gross.

The withdrawals slowed from $19.4 billion in December, and brought assets in the Pimco Total ReturnFund to $134.6 billion as of Jan. 31, according to data from the Newport Beach, California-based firm. Gross left Pimco on Sept. 26, prompting a combined $91.5 billion in redemptions from the fund from September through January.

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