The deal will see the firm buy the interest from Talanx, who will continue to support the company's growth alongside Allianz.
The transaction would reportedly value the Scottish luxury handbag maker at nearly £100 million and allow existing investor BGF to exit its holding.
The direct secondaries deal gives the French manager full ownership of the 460 MW Horse Creek and Electra wind farms in Texas, which it has backed since 2018.
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 Connecticut-based manager specializes in energy infrastructure investments, including renewable power generation, battery storage, and midstream and downstream assets.
The firm is reportedly exploring the sale at a valuation exceeding €8 billion after previous transactions brought Silver Lake, ADIA, and CapitalG onto the Italian software company's cap table.
The secondary share sale was part of a $170 million Series C funding round led by HarbourVest, which valued the company at $1.3 billion.
The oversubscribed single-asset fund extends the firm's hold on a European modular buildings provider it initially backed in 2021.
The direct secondary transaction reportedly values the truck leasing company at around €4 billion.
The single-asset vehicle increased the Spanish manager's stake in an energy transition platform.
