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Impax Asset Management

Asset manager investing in sustainable transition.

Overview

Impax Asset Management focuses on investing in opportunities created by the shift to a more sustainable global economy. The firm manages funds and accounts across five areas—actively managed long-only equity, fixed income, systematic equities, multi-asset, and new energy infrastructure—aiming to deliver superior risk-adjusted returns over the medium to long term. Its investment process centers on identifying companies and projects positioned to benefit from sustainability trends such as climate action, pollution reduction, and investments in infrastructure and human capital. With a large, specialist team and a global footprint, Impax differentiates itself through its dedicated focus on sustainable development and by offering a broad suite of asset classes tailored to the transition to a greener economy. The company’s goal is to grow clients’ capital by capturing growth opportunities tied to sustainability while managing risk.

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About Impax Asset Management

Simplify's Rating
Why Impax Asset Management is rated
C
Rated C on Competitive Edge
Rated C on Growth Potential
Rated C on Differentiation

Industries

Quantitative FinanceFinancial Services

Company Size

N/A

Company Stage

N/A

Total Funding

$99.9M

Headquarters

London, United Kingdom

Founded

1998

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What believers are saying

  • Impax launched its first U.S. ETF in 2026, opening tax-efficient distribution.
  • FY2026 costs fell to £47.5 million, preserving profitability despite revenue pressure.
  • Management said U.S. and European flows improved in 2026, supporting FY2027 recovery expectations.

What critics are saying

  • September 2026 AUM fell to £20.0 billion after £2.4 billion quarterly outflows.
  • Listed equities drove most redemptions, exposing persistent client distrust after weaker performance.
  • Another 30 redundancies after 2026 cuts signal shrinking franchise and lower morale risk.

What makes Impax Asset Management unique

  • Impax built a 1998 specialist platform around sustainability-transition investing, not broad-market passive products.
  • Its listed equities, fixed income, and private-markets teams span multiple transition themes.
  • Management still owns 18% of Impax, aligning incentives with long-term recovery.

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Funding

Total Funding

$99.9M

Above

Industry Average

Funded Over

0 Rounds

Company News

Investment Week
Oct 29th, 2026
Impax Asset Management reinforces listed equities team with double hire.

Impax Asset Management reinforces listed equities team with double hire. Sebastien bidault and paul byrne join. Impax Asset Management has added Sebastien Bidault and Paul Byrne to its listed equities team to drive further development in the space. To continue reading this article... Join investment week today. Free for those involved in advising, managing and/or analysing investments or £1 per day for professionals outside of these roles.

Techleap.nl
Oct 16th, 2026
TechLeap Tech map | Netherlands Startup map | ePower Secures €30M for EV Expansion

ePower, Ireland's leading EV charging and solar solutions provider, has secured €30 million in its largest funding round to date. The funding includes equity from existing investors and Impax Asset Management, plus new debt from Dunport Capital Management. The capital will support a nationwide ultra-fast EV charging network at over 200 locations. This follows a 69.3% increase in EV registrations in August, with over 20,000 new EVs registered in 2025.

Investment Week
Sep 30th, 2026
Impax asset management portfolio manager david winborne exits firm.

Impax asset management portfolio manager david winborne exits firm. After 11 years. Experienced senior portfolio manager David Winborne has left Impax Asset Management after 11 years at the firm. To continue reading this article... Join investment week today. Free for those involved in advising, managing and/or analysing investments or £1 per day for professionals outside of these roles.

ESG Today
Sep 8th, 2026
Aviva Investors appoints Luciano Lilloy as Head of Sustainable Equities.

Aviva Investors appoints Luciano Lilloy as Head of Sustainable Equities. Aviva Investors, the global asset management business of Aviva plc, announced the appointment of Luciano Lilloy to the newly created position of Head of Sustainable Equities. Lilloy joins the firm from sustainable transition-focused investor Impax Asset Management, where he most recently served as Portfolio Manager, co-managing over $10 billion in sustainable, thematic equities. In his new role, Lilloy will play a key role in further developing Aviva Investors' sustainable equities capabilities, according to the firm, and will also become a named Portfolio Manager on the Global Climate Equity Strategy. In addition to the new Head of Sustainable Equities, Aviva Investors also announced the appointment of Duncan Bulgin as Head of Equity Research, succeeding Max Burns, who will retire this year, adding that Lilloy will assume Burns' portfolio management responsibilities for the Global Climate Equity Strategy. Nicholette MacDonald-Brown, Head of Active Equities at Aviva Investors, said: "We're thrilled to welcome Luciano and Duncan to the firm. We're very excited to begin working with them both to further evolve our Equity offering, to ensure we are providing the best possible solutions and outcomes for our clients."

Aviva Investors
Sep 7th, 2026
Aviva Investors announces two new strategic hires for its Equity team.

Aviva Investors announces two new strategic hires for its Equity team. 7 September 2026 (London) - Aviva Investors, the global asset management business of Aviva plc, has announced the appointment of two new senior hires to the firm's Equity team. Luciano Lilloy will join as Head of Sustainable Equities, whilst Duncan Bulgin will join the firm as Head of Equity Research. * Luciano Lilloy joins the firm as Head of Sustainable Equities, in what is a newly created role * Duncan Bulgin joins as Head of Equity Research, and will succeed Max Burns, who will retire this year following a phased transition Luciano joins the firm from Impax Asset Management and brings with him significant experience in sustainable and thematic investing. He joins as Head of Sustainable Equities, a newly created role which will see him play a key role in further developing the firm's sustainable equities capabilities. Luciano will also become a named Portfolio Manager on the Global Climate Equity Strategy. Duncan joins the firm from GAM Investments and brings more than 20 years of investment experience as both an analyst and portfolio manager, including senior leadership roles at both GAM Investments and Newton Investment Management. In addition to his role as Head of Equity Research, Duncan will also oversee global commodities research.

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