Deals of the day: Nuance holds sale talks

VeloCloud Networks Inc., a Los Altos, Calif.-based provider of cloud-delivered WAN solutions, has raised $21 million in new VC funding from New Enterprise Associates, Venrock and The Fabric. www.velocloud.com

PowerVision Inc., a Belmont, Calif.-based developer of a fluid-based accommodating intraocular lens, has raised $30 million in Series B funding. Aisling Capital and Correlation Venture Partners were joined by return backers Venrock, Johnson & Johnson Development Corp.,Medtronic, Advanced Technology Ventures, Lexington Capital and Frazier Healthcare Ventures. www.powervisionlens.com

Clari, a San Francisco-based sales productivity platform, has raised $20 million in Series B funding.Bain Capital Ventures led the round, and was joined by Northgate Capital and return backer Sequoia Capital. www.clari.com

WeLab Holdings, a Hong Kong-based peer-to-peer lender, has raised $14 million in VC funding fromSequoia Capital and TOM Group (controlled by Li Ka-Shing). www.welend.hk

BitGo, a Palo Alto, Calif.-based bitcoin security platform, has raised $12 million in Series A funding.Redpoint Ventures led the round, and was joined by Radar Partners, Founders Fund, Barry Silbert’s Bitcoin Opportunity Corp., Liberty City Ventures, Crypto Currency Partners, A-Grade Investments and seed backers like Bridgescale Partners. www.bitgo.com

BioCatch, a Boston-based developer of behavioral biometric authentication and threat detection solutions, has raised $10 million in new VC funding co-led by Blumberg Capital and OurCrowd. www.biocatch.com

Walker & Co. Brands, maker of consumer health and beauty products like the Bevel shaving system, has raised $6.9 million in Series A funding led by Andreessen Horowitz. Company founder Tristan Walker is a former Foursquare executive who also served as an entrepreneur-in-residence with Andreessen Horowitz. www.walkerandcompany.com

Virtru, an email encryption software startup, has raised $6 million in VC funding led by Bessemer Venture Partners. www.virtru.com

Siftit, an Atlanta-based mobile restaurant ordering platform, has raised $4 million in Series A funding led by TechOperators. www.siftit.com

Cloud Elements, a Denver-based cloud API integration and aggregation service, has raised $3.1 million in Series A funding.  Grotech Ventures and Icon Venture Partners, co-led the round, and were joined by Galvanize Ventures. www.cloud-elements.com

Rhiza, a Pittsburgh-based provider of marketing analytics tools, has raised $3 million in Series A funding. Draper Triangle Ventures led the round, and was joined by Arthur Ventures and Camp One Ventures. www.rhiza.com

Private Equity Deals

EQT Partners has acquired TIA Technology AS, a Denmark-based provider of core insurance applications for property/casualty and composite insurers, from DKA Capital. No financial terms were disclosed for the deal, which includes a co-investment from company management. www.tiatechnology.com

Leonard Green & Partners and CVC Capital Partners have agreed to acquire a majority stake in Advanced Sales & Marketing LLC (ASM), a provider of outsourced sales and marketing services to manufacturers of consumer goods and retailers, from Apax Partners. No financial terms were disclosed, except that ASM expects 2014 revenue of approximately $1.6 billion. www.asmnet.com

Nuance Communications (Nasdaq: NUAN), a Burlington, Mass.-based maker of speech recognition software, has held talks about a possible sale of the company with Samsung Electronics and various private equity firms, according to Dow Jones. Nuance has a market cap of around $5.5 billion, with Carl Icahn holding around a 19% stake as of March 31. www.nuance.com

Peak Rock Capital has acquired RCR International Inc., a Canadian maker and distributor of home improvement products. No financial terms were disclosed. www.rcrint.com

Seven Point Equity Partners has acquired The RiteScreen Co., an Elizabethville, Penn.-based maker of fabricated screens for the North American window, door and commercial ventilation markets, from Clearwater, Fla.-based J.T. Walker Industries Inc. No financial terms were disclosed. www.ritescreen.com

Surgery Center Holdings Inc., a portfolio company of H.I.G. Capital, has agreed to acquireSymbion Holdings Corp., an owner and operator of a national network of short stay surgical facilities, for $792 million from Crestview Partners. www.surgerypartners.com

IPOs

American Tire Distributors Inc., a Huntersville, N.C.-based tire distributor owned by TPG Capital, has filed for a $100 million IPO. BofA Merrill Lynch, Deutsche Bank Securities and Goldman Sachs are serving as co-lead underwriters. The company previously filed for a $230 million IPO in February 2010, before being acquired by TPG for $1.3 billion. www.atd-us.com

TCP International Holdings Ltd., a Switzerland-based provider of energy-efficient light bulbs to the global structures light bulb market, has set its IPO terms to 7.14 million shares being offered at between $13 and $15 per share. It would have an initial market cap of around $388 million, were it to price in the middle of its range. The company plans to trade on the Nasdaq under ticker symbol TCPI, with Deutsche Bank and Piper Jaffray serving as lead underwriters. TCP previously filed for a $100 million IPO back in 2012, when it was based in China, before later withdrawing the registration. www.tcpi.com

Trupanion, a Seattle-based pet insurance company, has filed for a $75 million IPO. It plans to trade on the NYSE under ticker symbol TRUP, with RBC Capital Markets, Barclays and Stifel serving as lead underwriters. The company reports an $8 million net loss on $84 million in 2013 revenue. Shareholders include Maveron (33.7% pre-IPO stake), Highland Consumer Fund (15.8%) and RenaissanceRe Ventures (12.7%). www.trupanion.com

M&A

The American Tower Corp. (NYSE: AMT) has agreed to acquire Brazilian telecom tower BR Towersfrom GP Investimentos for approximately $978 million. www.americantower.com

Berkshire Partners has hired Barclays and Goldman Sachs to find a buyer for Grocery Outlet, a Berkeley, Calif.-based discount supermarket chain, according to Reuters. The deal could be valued at more than $1 billion. www.groceryoutlets.com

Genstar Capital has agreed to sell Evolution1, a Simsbury, Conn.–based provider of consumer directed health payment software, to WEX Inc. (NYSE: WEX) for $532.5 million. www.evolution1.com

Silver Lake is in the process of selling off Chinese interactive marketing company Allyes, via a three-part process, according to the WSJ. Silver Lake first sold the company’s ad agency unit last month for around $130 million, and this month unloaded its research group for around $60 million. It is in the process of selling Allyes’ digital marketing technology unit for under $100 million. www.allyes.com

Sumitomo Bakelite Co. (Tokyo: 4203) has completed its previously-announced acquisition ofVaupell Holdings Inc., a Seattle-based maker of thermoplastic interior solutions to the commercial aerospace industry, from H.I.G. Capital. No financial terms were disclosed. www.vaupell.com

RapidMiner Inc., a Boston-based provider of predictive analytics built on an open stack, has acquired Hadoop analytics processing startup Radoop. No financial terms were disclosed. RaidMiner backers include Earlybird Venture Capital and Open Ocean Capital. www.rapidminer.com

Royal Dutch Shell (Amsterdam: RDSA) has agreed to sell a majority of its 23.5% stake in Australian natural gas and oil producer Woodside Petroleum (ASX: WPL), via a two-part sale that includes both a sale of 78.3 million shares back to the company and another 78.3 million shares via an underwritten public offering to institutional investors. The total deal would be worth around $5.7 billion. www.woodside.com.au

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