The Florida-based investment firm anticipates closing a separate, second CV in the coming quarters.
The single-asset vehicle extends B2B software investor Viking Growth's hold on a recruitment and HR software platform.
Potential backers reportedly sought a lower valuation for the loans held in the continuation fund.
The single-asset deal centers on a health and social care software provider first backed by Activa in 2019.
Aberdeen and Rock Rail's continuation fund, which was co-led by Partners Group and StepStone, achieved an £800 million first close in July.
The oversubscribed single-asset fund extends the firm's hold on a European modular buildings provider it initially backed in 2021.
The multi-asset vehicle will support the next phase of growth for European companies Safety21 and Onlineprinters, while funding future acquisitions.
The reported GP-led secondary sale would rank among the largest private credit secondary deals to date.
The transaction follows last year's restructuring of the French optical and hearing-care retailer, which reduced Lion Capital's ownership stake.
The Florida-based manager looks to extend its ownership of a UK-based consumer law firm.
