NEW YORK (

TheStreet

) --

Pfizer

(PFE) - Get Report

is expected Wednesday to place an offer in the final round of bids for German generic drug maker

Ratiopharm

, a report says.

Pfizer officials weren't available to comment for the report from

Reuters

.

Other bidders include Israel's

Teva

(TEVA) - Get Report

and Iceland's

Actavis

which had been requested to make final bids on Thursday at the latest, several sources told

Reuters

.

So far, Actavis' bid has been the highest at about 3 billion euros ($4.13 billion), including assumed debt.

Debt-laden Actavis has raised the prospect of taking the enlarged company public should it win the auction, people familiar with the sale process told

Reuters

.

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