On March 6th, according to Reuters, sensor chip manufacturer Allegro Microsystems rejected a $6.9 billion cash (about 50 billion yuan) acquisition offer from semiconductor giant Anson, citing that the offer was "insufficient", indicating that Anson's plan to acquire Allegro has fallen through. 

Public tender offers are not common, but they are a merger and acquisition strategy aimed at exerting shareholder pressure on potential targets.

 Anson Mei stated that its acquisition offer for Allegro yesterday (Wednesday) was $35.10 per share, higher than the $34.50 proposed in September 2024. Previously, it was reported that Amazon has been collaborating with consultants to acquire Allegro in recent months.

 A few months ago, Allegro rejected Anson's offer of $34.50 per share. Allegro has now confirmed that its board of directors received the proposal in February of this year and decided to reject it after review. Allegro's board of directors preliminarily believes that Anson's offer of $35.1 per share is "insufficient" and refuses to comment further. Allegro's latest closing price is $26.78 per share. 

As a leader in the fields of magnetic sensors and power ICs, Allegro holds a core position in automotive electrification, clean energy, and industrial automation, particularly in the market share of Hall effect sensors. Allegro's largest shareholder is Sanken Electric of Japan, holding approximately 32% of the shares. According to the annual report, Allegro achieved sales revenue of over 1 billion US dollars in 2024, a year-on-year increase of 8%; The latest quarterly revenue is $178 million, and the latest total market value is approximately $4.9 billion.

Allegro develops advanced semiconductors and claims to be a leader in power and sensing solutions for motion control and energy-saving systems. These products are used for automotive engines and safety systems, as well as data centers and factories. 

In contrast, Ansenmei's main revenue comes from in car CMOS image sensors (in car CIS) and power semiconductors. According to research institutions, ON Semiconductor holds a leading position in the entire automotive image sensor (CIS) market, with a market share of up to 50%, and a market share of up to 68% in the CIS segment of advanced driver assistance systems (ADAS) for electric vehicles.

Anson CEO Hassane El Khoury stated in a statement that this transaction "will bring together two highly complementary businesses.

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