Story
Northern Star Resources Stock Jumps After Rejecting A$38.7 Billion Gold Fields Offer

Summary
Australian gold miner Northern Star Resources saw its shares climb sharply after it publicly rejected an unsolicited takeover proposal from South Africa's Gold Fields Ltd. The board deemed the offer to be inadequate and to carry unacceptable risk.
Shares of Northern Star Resources (ASX:NST) surged after the Australian gold miner announced it had unanimously rejected an unsolicited, non-binding takeover proposal from South Africa’s Gold Fields Ltd. The company's board stated the offer failed to reflect Northern Star's fundamental value and presented an unacceptable level of completion risk.
Details of the Offer
The proposal, which Northern Star received on September 14, consisted of 0.3125 new Gold Fields shares plus A$7.25 in cash for each Northern Star share. According to the announcement, this implied an initial equity value of A$38.7 billion for Northern Star, representing a 22% premium to its closing price on September 11.
However, due to a decline in Gold Fields' share price, the implied value of the bid had decreased to approximately A$36.1 billion by the time of the public disclosure. The Northern Star board's confidence in rejecting the approach was supported by the company's strong fundamentals, including a reported FY26 EBITDA of A$4.3 billion and total mineral resources of 89 million ounces.
AdMarket Impact and Context
Following the news, Northern Star's stock jumped 8.4% to close at A$23.96, trading near its session high of A$24.46 and significantly outpacing the broader Australian market. For investors, the public rejection of a credible offer acts as a powerful re-rating catalyst, establishing a new M&A valuation floor for the company well above its recent trading levels.
The bid comes amid a period of sustained pressure on Northern Star. Activist investor Elliott Investment Management has been publicly calling for a strategic review and board changes since June 2026. This pressure, which contributed to the appointment of a new CEO in July, had already positioned the company as a potential takeover target in the market's view.
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Northern Star Rejects $27 Billion Gold Fields Takeover Bid, Shares Surge
Australia's largest gold miner saw its shares jump to a one-month high after its board unanimously rejected an unsolicited A$38.7 billion ($27 billion) takeover proposal from South Africa's Gold Fields, citing undervaluation and poor timing.