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Impax is committed to helping companies navigate the transition to a more sustainable economy. In so doing, we aim to mitigate risks and enhance opportunities for our clients.

We proactively engage with our portfolio companies and issuers to help us determine how they understand and perceive their own risks and opportunities. It is a valuable input to our investment decision-making process, which relies on a comprehensive understanding of the character and quality of our investee companies.

Effective engagement also provides an avenue for us to add value by encouraging companies to better manage their risks and to highlight issues that we believe pose the greatest challenges to the transition to a more sustainable economy.

Read about our recent global engagement activities and the impact of our work in the Stewardship and Advocacy Report 2025.

Our stewardship strategy is currently focused on four core themes:

  • Climate
  • Nature
  • People
  • Corporate governance

We engage directly with our portfolio companies, including meeting with management teams and filing shareholder resolutions, and undertake collaborative engagements with other investors on critical issues. Proxy voting is also an important catalyst for dialogue.


Impax exercises its proxy voting rights and conducts its global stewardship activities on an independent basis on behalf and in the best interests of its clients, in accordance with Impax investment policies regarding good corporate governance practices applicable for all investee companies and not to foster a control transaction for any particular company. The application of these policies is predicated on the acquisition and ownership of securities in the ordinary course of business and were and are not acquired or held for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities, and such securities were and are not acquired in connection with or as a participant in any transaction having such purpose or effect.

Where Impax participates in collaborative engagement activities with other shareholders it does so on an independent basis and in accordance with its own policies. The purpose of such collaborative engagements is to facilitate an independent and free exchange of ideas and views among shareholders that relate to seeking improvement of the long-term performance of investee companies and/or changes in investee company practices, without the purpose of acquiring, holding or disposing of securities to effect or influence a change of control in investee companies or as a participant in any transaction having such purpose or effect.

While Impax may consult with other market participants on certain engagement efforts, Impax unilaterally determines whether and to what extent to engage with other stakeholders and all of Impax’s investment decisions are independent and based on its own, unilateral strategy for maximising return on investment.

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