Firms will pay £37m less than FSCS's initial projections in January.
The 2014/15 levy will be £276m - down from £313m in the FSCS Plan and Budget for the year.
This follows a review of the latest claims data and trends by the compensation scheme.
Fund managers will receive a rebate from FSCS as a result of successful recoveries by the Scheme relating to the failure of Keydata.
However, investment intermediaries and home finance intermediation will see their final levies for the year increase. FSCS will levy investment intermediaries £112m in 2014/15, a
£7m increase on earlier estimates. That total includes the cost of Catalyst claims after FSCS deferred a potential interim levy of £30m in 2013/14.

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Lower claims volumes are helping to contain the costs to firms in the coming year. In particular,
FSCS believes that PPI claims may have peaked last year and be set on a downward trend.
FSCS Chief Executive Mark Neale said: "There is good news today for many firms.
"Our overall levy for the coming year is down from earlier indications.
"That partly reflects an expectation of lower claims volumes. But fund managers and investment intermediaries are also benefiting from our success in making recoveries.
"We have secured many millions of pounds for them and will continue to pursue recoveries wherever it is cost effective to do so.
"These levies will enable FSCS to protect consumers in 2014/15."