The Wallenberg family investment company has agreed to purchase 8 million NASDAQ OMX shares in a share forward transaction with Japan-based conglomerate Nomura.
The deal was struck at a forward purchase price of $21.80 per share for a total purchase price of $175 million.
Investor currently owns around 9 million shares in NASDAQ OMX Group, corresponding to a 4.6 percent ownership stake.
After the deal, Investor’s stake in the stock exchange operator will roughly double to 9.7 percent of outstanding shares.
“We are excited about this opportunity to become a leading shareholder in NASDAQ OMX, a company with very strong market positions and a unique brand in an industry we know well,” Investor CEO Börje Ekholm said in a statement.
“We are convinced that this investment will be very attractive for our shareholders.”
In October, Investor reported its net assets had grown by 9 percent in 2010 to 152.4 billion kronor ($22.9 billion).
At the time, Ekholm indicated the firm was on the lookout for new investments saying, “We remain prepared to invest when we find the valuation attractive.”