Accenture's scheme has encouraged female founders to take part.
Accenture's Lab worked with fintech platform F6S to proactively scout female-led companies to apply.
The association's paper lists 45 actions hedge fund firms can take to improve diversity.
Innovate Finance's Powerlist will showcase 150 women.
Shorter hours would improve culture, diversity, wellbeing and create more efficient markets.
Buy side should attract talent from different classes and socio-economic backgrounds.
The 21 newest signatories include investment firms Allianz Global Investors and Natixis.
A firm should embrace modernization in its talent, just as it does with its products and services.
Less than 1% of UK investment managers are black.