The transaction involved partial interest transfers from 20 existing investors, all of whom retained their LP status in the vehicle.
The employee liquidity event values the digital bank 53% above its November 2025 tender offer, with the final sale size undisclosed.
The employee and early investor auction valued the workplace trust company at over £100 million and marked the third transaction conducted under the PISCES framework.
Existing investors in the German robotics startup, including Sequoia and Lightspeed, participated alongside new backers.
The $300 million secondary share sale was led by Wellington and T. Rowe Price and brought in new investors, including EQT, Goldman Sachs, and Sapphire Ventures.
The partnership will also develop products for wealth investors, beginning with an evergreen private equity secondaries fund expected in the coming weeks.
Under the non-binding agreement, O3 may increase its ownership in the social impact investor if certain fund launch and fundraising milestones are met.
The single-asset vehicle extends B2B software investor Viking Growth's hold on a recruitment and HR software platform.
Salica Investments also participated in the secondary share sale, which valued the UK-based wealth management platform at $1.1 billion.
The digital bank has reportedly kicked off its employee liquidity event, pricing shares at $2,017 each.
