Permira has agreed to acquire genealogy website Ancestry.com (Nasdaq: ACOM) for approximately $1.6 billion. The $32 per share offer represents a 40% premium to where Ancestry.com stock was trading prior to June reports that the company was for sale. Other suitors had included Hellman & Friedman and TPG Capital. Existing Ancestry.com shareholder Spectrum Equity Investors will maintain a minority position. www.ancestry.com
CRA Holdings, a Tempe, Ariz.-based portfolio company of Kinderhook Industries, has acquired Radiant Research Inc., a Cincinnati-based provider of comprehensive clinical research and development services to the pharma and medical device sectors. No financial terms were disclosed. www.kinderhookindustries.com
PineBridge Investments has acquired an additional 25% stake in Promedica24, a Polish provider of household services and care for the elderly, medical recruitment and rehabilitation services. No financial terms were disclosed. PineBridge now holds a 75% position in the company, based on a prior acquisition in December 2011. www.pinebridge.com
Schneider Electric (Paris: SU) has canceled plans to sell its CST sensors unit for approximately $1 billion, according to Reuters. Schneider had tried to work out a deal with private equity firms The Carlyle Group and PAI Partners, after earlier talks with Avago Technologies broke down. www.schneider-electric.com
Wind Point Partners is in talks to acquire Hilex Poly Co., a Hartsville, S.C.–based maker of plastics bags, from TPG Growth, according to an FTC filing. www.hilexpoly.com
Urenco, a British nuclear fuel company, is being circled by several private equity firms, according to the Sunday Times. Possible bidders include Apax Partners, The Carlyle Group, CVC Capital Partners and KKR. Sellers could include the British government and two German utilities. www.urenco.com
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