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This Fund Manager Rating is based on the Citywire Long Only ratings methodology

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Tom Mansley

Tom Mansley

Showing manager performance in United Kingdom View performance globally

About Tom Mansley

Tom Mansley is an investment director at GAM Investments based in New York. He joined GAM in 2014 and specialises in the analysis and management of mortgage- and asset-backed securities. Prior to this, he was a manager and CIO at Singleterry Mansley Asset Management from 2008. Mansley holds an MBA from Pace University, an MSc in mathematics from the Courant Institute at New York University, a BSc in mathematics and computer science from Pace University and is a CFA charterholder.

Invests in own strategies

Runs institutional money

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Citywire Rating: AAA rated


  • ARated AA in Aug 2017
  • SRated AA in Sep 2017
  • ORated AA in Oct 2017
  • NRated AA in Nov 2017
  • DRated AAA in Dec 2017


  • JRated AAA in Jan 2018
  • FRated AAA in Feb 2018
  • MRated AAA in Mar 2018
  • ARated AAA in Apr 2018
  • MRated AAA in May 2018
  • JRated AAA in Jun 2018
  • JRated AAA in Jul 2018
  • ARated AAA in Aug 2018
  • SRated AAA in Sep 2018
  • ORated AAA in Oct 2018
  • NRated AAA in Nov 2018
  • DRated AAA in Dec 2018


  • JRated AAA in Jan 2019
  • FRated AAA in Feb 2019
  • MRated AAA in Mar 2019
  • ARated AAA in Apr 2019
  • MRated AAA in May 2019


Bonds - US Dollar Mortgages
over : 30/04/2018 - 30/04/2019

Total Return

Month by Month Performance

Quarterly Performance

to 31/03/2019 Annual Q1 Q2 Q3 Q4
2019 0.4%
2018 1.1% 0.2% 0.4% 0.5% 0.0%
2017 3.7% 1.5% 1.0% 0.8% 0.4%
2016 3.8% -0.7% 1.4% 1.7% 1.3%
2015 3.6% 1.0% 1.3% 0.5% 0.8%
2014 0.1%

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Citywire Discovery Source: Citywire Discovery Performance is for the period shown (month end to month end, bid/bid, gross income reinvested, calculated in the currency and currencies indicated)..Portions of the information contained on this page was derived by Citywire Financial Publishers Ltd using content supplied by Lipper, A Reuters Company.