More than 20,000 premium pension savers were affected by the pension company Falcon Funds with funds in the Swedish premium pension system.
Around SEK 700 million of the savers' money is still missing.
43-year-old Swede Max Serwin (formerly Emil Ingmanson) is sentenced for aiding and abetting gross infidelity against a principal, gross fraud and gross giving of a bribe to imprisonment for six years and nine months.
A 59-year-old fund manager is sentenced to five and a half years in prison for gross infidelity to a principal, gross fraud and gross taking of a bribe.
A relative of his is sentenced to prison for a serious money laundering offense.
His sentence is reduced to one year.
The judgment of the Court of Appeal refers to three of the four convicted in the case. The 64-year-old American Mark Bishop, who was singled out as one of the brains behind the criminal plot, chose to accept his sentence after first appealing it.