Birch Hill Equity Partners has sold a 50% stake in Secunda Canada, a Nova Scotia-based provider of offshore support vehicles for the energy marker, to Siem Offshore AS (Oslo: SIOFF). The deal was valued at C$16.25 million, with Birch Hill retaining the other 50% position. www.siemoffshore.com

Southeastern Asset Management disclosed that it has amassed a 12% voting stake in News Corp.(Nasdaq: NWSA).

Societe Generale is considering a sale of its Asia private banking unit, according to Reuters. The business could be worth around $600 million.

Hilton Hotels has filed for a $1.25 billion IPO, with Deutsche Bank serving as left-lead underwriter. The Blackstone Group took Hilton private back in 2007 for $26 billion. Read more

Montage Technology Group Ltd., a Chinese fabless chipmaker focused on the home entertainment and cloud computing markets, has set its IPO terms to 7.1 million shares being offered at between $12 and $14 per share. It would have an initial market cap of $344 million, were it to price in the middle of its range. The company plans to trade on the Nasdaq under ticker symbol MONT, with Deutsche Bank and Barclays serving as lead underwriters. It reports $8.7 million of net income on $45 million in revenue for the first six months of 2013, compared to $8.3 million in net income on $34 million in revenue for the year-earlier period. Shareholders include AsiaVest Partners (19.2% pre-IPO stake) andIntel Capital (10%). www.montage-tech.com

The UK government said that it will launch a public float for state-owned postal service Royal Mailwithin the next several weeks. No word yet on offering size. Reuters reports that the deal could value Royal Mail at between £2 billion and £3 billion.

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