Two big money managers,

Citigroup

(C) - Get Report

and Los Angeles-based Capital Research, reported major stakes in

Fannie Mae

.

In filings denoting passive holdings, Citigroup reported owning 61 million shares, or 6.3%, of the mortgage merchant's stock, while Capital Research said it had 11.1% of the outstanding shares at Dec. 31, up from 9.9% at Sept. 30. Capital Research was Fannie's biggest holder at the September filing.

Fannie, which has been buffeted by an accounting scandal that cost its CEO his job, closed Friday at $62.42, down 25 cents from Sept. 30 and down $8.40, or 12%, from June 30.

A Citigroup spokesman said the company's stake reflected direct ownership and shares held in investment funds by clients.