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

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Ian Warmerdam

Ian Warmerdam

Showing manager performance in Norway View performance globally

About Ian Warmerdam

Ian Warmerdam was born in Scotland in 1973. He holds a Bachelor in Technology and Business Studies from Strathclyde University and an MSc in investment analysis from the University of Stirling. He joined Henderson Global Investors in 2001 as a fund manager and in 2007 he became director of technology investments. Prior to this he was an investment manager at Scottish Widows and between 1996 and 2000 he was an investment analyst at Scottish Life. In his spare time enjoys playing chess, soccer and the cinema.

Are you Ian Warmerdam?

Citywire Rating: + rated


  • JNot rated in Jul 2012
  • ARated A in Aug 2012
  • SNot rated in Sep 2012
  • ONot rated in Oct 2012
  • NRated A in Nov 2012
  • DNot rated in Dec 2012


  • JNot rated in Jan 2013
  • FNot rated in Feb 2013
  • MNot rated in Mar 2013
  • ANot rated in Apr 2013
  • MNot rated in May 2013
  • JNot rated in Jun 2013
  • JNot rated in Jul 2013
  • ANot rated in Aug 2013
  • SNot rated in Sep 2013
  • ONot rated in Oct 2013
  • NNot rated in Nov 2013
  • DNot rated in Dec 2013


  • JNot rated in Jan 2014
  • FNot rated in Feb 2014
  • MNot rated in Mar 2014
  • ANot rated in Apr 2014
  • MNot rated in May 2014
  • JNot rated in Jun 2014
  • JNot rated in Jul 2014
  • ANot rated in Aug 2014
  • SNot rated in Sep 2014
  • ONot rated in Oct 2014
  • NNot rated in Nov 2014
  • DNot rated in Dec 2014


  • JNot rated in Jan 2015
  • FNot rated in Feb 2015
  • MNot rated in Mar 2015
  • ANot rated in Apr 2015
  • MNot rated in May 2015
  • JNot rated in Jun 2015
  • JRated A in Jul 2015
  • ARated A in Aug 2015
  • SRated A in Sep 2015
  • ORated A in Oct 2015
  • NRated A in Nov 2015
  • DRated A in Dec 2015


  • JRated A in Jan 2016
  • FRated Plus in Feb 2016
  • MRated A in Mar 2016
  • ARated A in Apr 2016
  • MNot rated in May 2016
  • JNot rated in Jun 2016
  • JNot rated in Jul 2016
  • ARated Plus in Aug 2016
  • SRated Plus in Sep 2016
  • ORated Plus in Oct 2016
  • NRated Plus in Nov 2016
  • DRated Plus in Dec 2016


  • JRated Plus in Jan 2017
  • FNot rated in Feb 2017
  • MNot rated in Mar 2017
  • ARated A in Apr 2017
  • MRated AA in May 2017
  • JRated AA in Jun 2017
  • JRated AA in Jul 2017
  • ARated AA in Aug 2017
  • SRated AA in Sep 2017
  • ORated AA in Oct 2017
  • NRated A in Nov 2017
  • DRated Plus in Dec 2017


Equity - Global
over : 30/11/2016 - 30/11/2017
Rank 41/293 Equity - Global
Manager Return
40 David J Eiswert 15.4%
41 Ian Warmerdam 15.3%
41 Ronan Kelleher 15.3%
43 Ken McAtamney 15.2%
43 Andrew Flynn 15.2%

Total Return

Month by Month Performance

Quarterly Performance

to 30/09/2017 Annual Q1 Q2 Q3 Q4
2017 9.3% -0.6% 1.5%
2016 6.4% -4.3% -0.3% 6.2% 5.0%
2015 16.8% 18.9% -2.0% -7.5% 8.4%
2014 20.3% -0.5% 1.4% 8.5% 9.8%
2013 31.8% 12.0% 3.9% 5.3% 7.5%

Related News

A-rated manager takes sabbatical leave from Henderson

Global equity manager steps down from growth fund with responsibilities falling to co-manager, Citywire Selector has learned.

Pharma price battles lead Henderson’s Warmerdam to refocus bets

Henderson’s global growth manager has trimmed exposure to some of the sector’s biggest players as increased competition cuts into profits.

Rotten Apple: tech veteran O’Gorman laments underweight

Blockbuster sector specialist cites software giant as one of the major headwinds to performance over the past 12 months.

Henderson expands global tech equities team with new hire

Investment firm assigns former Ignis AM manager to support role on flagship tech fund while promoting recent recruit to PM position.

Henderson's O'Gorman: 'Apple Effect' dragging down tech returns

The Henderson fund manager talks about his fund's underperformance and warns of tech value traps.

Henderson tech stars sell out of social media plays

Euro Stars A-rated duo Stuart O’Gorman and Ian Warmerdam take profits on Facebook and turn attention back to ecommerce.

Henderson announces changes to global tech team

The firm has hired a senior analyst to strengthen the management of its €3 billion tech portfolio.

Henderson's O'Gorman: why we are selling Apple

After weak numbers from Apple on Wednesday sparked a 10% slide in its share pirce, Henderson tech guru Stuart O'Gorman explains why he's been reducing exposure to the bellwether.

Henderson equity overhaul sees financials team exit

News follows recent departure of two of the firm’s star managers and sees it create a new dedicated global equities division.

Star Tracker: catching up with tech’s consistency kings

Citywire Global scans our data to see how leading sector specialists between 2004 and 2009 have fared over the last two years.

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.