Norwegian giant Ferd Capital has increased its stake in Broodstock Capital from 65 percent to 93.6 percent.

Broodstock Capital invests exclusively in the seafood sector, more specifically in suppliers to the industry.

Ferd, co-owned by Johan H. Andersen and daughters, Alexandra and Katharina -- recently ranked among the world's 10 youngest billionaires -- is one of Norway's largest holding companies, with investments in real estate and a string of other areas. The group recently identified seafood as a core area to grow.

Broodstock's investments already include recirculating aquaculture systems (RAS) supplier Billund Aquaculture, seafood software services group Maritech, and aquaculture services firm Akerbla.

In addition to upping its stake, Ferd made co-investments in Broodstock's porfolio.

"The additional acquisitions means that we have strong faith in the seafood sector, the management team and the portfolio companies," Ferd Investment Manager Danjal Danjalsson said in a statement.

The transaction will not lead to any changes in Broodstock's strategy, but will increase the company's investment capacity, Broodstock General Manager Jan Erik Lovik said.

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Broodstock has "a handful" of investments underway, Lovik said, including "new platform investments," and plans to invest more into the companies the fund already holds stakes in.

Former SalMar CEO Yngve Myhre took over as chairman to the board of Broodstock as part of the new investment. Additionally, Danjalsson and Ferd's Tone Hanstad also joined the board.

Broodstock also hired former Kverva investment analyst Martin Resell as a manager.