Venture Capital Deals

Social Finance, a San Francisco-based student peer-to-peer lending platform, has raised $80 million in new VC funding. Discovery Capital Management  led the round, and was joined by Wicklow Capital, Peter Thiel and return backers DCM, Baseline Ventures and Renren. www.sofi.com

Imgur, a San Francisco-based image hosting platform, has raised $40 million in VC funding.Andreessen Horowitz led the round, and was joined by Reddit. www.imgur.com

Boundary, a San Francisco-based startup that monitors the performance of companies’ technical infrastructures to ensure that their applications and services stay online, has raised $22 million in Series C funding. Adams Street Partners led the round, and was joined by Triangle Peak Partners and return backers Lightspeed Venture Partners and Scale Venture Partners. Read more at Fortune.

Ioxus, an Oneonta, N.Y.-based maker of ultracapacitor technology for use in transportation, industrial and energy applications, has raised $21 million in Series C funding co-led by IFC and The Westly Group. www.ioxus.com

ElasticBox, a Mountain View, Calif.-based provider of cloud application lifecycle management solutions, has raised $9 million in Series A funding from Nexus Venture Partners and return backer Intel Capital. The company previously raised $3.2 million in seed funding from Intel, A16Z seed and Sierra Ventures. www.elasticbox.com

Fonemine, a Sunnyvale, Calif.-based developer of enterprise mobility software, has raised $4.5 million in Series B funding led by Michigan eLab. www.fonemine.com

Crescendo Biologics, a UK-based biotech firm focusing on antibody fragment therapeutics, has raised £2 million in additional Series A funding from EMBL Ventures, bringing the round total to £19.5 million. Prior backers included Imperial Innovations, Astellas Venture Management and Sofinnova Partners.www.crescendobiologics.com

P2 Science Inc., a New Haven, Conn.-based developer of specialty chemicals from biomass (for markets like flavor and fragrance), has raised $1 million in Series A funding from Connecticut Innovations and Elm Street Ventures. www.p2science.com

Private Equity Deals

Antelope Oil Tool & Manufacturing Co., a Mineral Wells, Texas–based maker of oilfield casing and cementing products for offshore and onshore applications, has acquired CTE Industries Ltd., an Edmonton-based maker of oilfield cementation equipment. No financial terms were disclosed. Antelope is backed by Intervale Capital. www.antelopeoiltool.com

Bswift, a Chicago–based provider of cloud-based technology and services for employee benefits, has raised $51 million in minority equity funding from Great Hill Partners. www.bswift.com

Boathouse Capital has agreed to acquire the U.S. and UK operations of MIS Training Institute, a Southborough, Mass.-based provider of professional education and training in the audit and information security management spaces, from Euromoney Institutional Investor PLC. The acquisition and carve-out was consummated through the formation of an employee stock ownership plan. No financial terms were disclosed. www.misti.com

Carbon60 Networks, a Toronto-based provider of cloud computing and managed IT services to Canadian enterprises and public sector clients, has secured an undisclosed amount of new growth capital funding from Roynat Equity Partners and new CEO John Witte. www.carbon60.com

Freeman Spogli & Co. and Investcorp has agreed to acquire Totes Isotoner Corp., a Cincinnati-based maker of gloves and other outerwear, from MidOcean Partners, according to Reuters. The deal is reported to be worth between $500 million and $600 million. www.totes-isotoner.com

ICM Products Inc., a Cassopolis, Mich.-based silicone chemicals company owned by Century Park Capital Partners, has acquired Amber Chemical Co., a UK-based provider of solutions for silicone emulsion and elastomer applications. No financial terms were disclosed. www.icmproducts.com

Lone Star Funds has agreed to acquire Dollar Financial (Nasdaq: DLLR), a Berwyn, Penn.-based payday lender, for $1.3 billion (including more than $900m in debt). The $9.50 per share deal represents nearly a 6% premium over Tuesday’s closing price. www.dfg.com

Polaris Partners has acquired a control stake in The Roberts Group, a New York–based provider of market data cost and inventory management solutions to the financial market. www.trgrp.com

TPG Capital has agreed to acquire Victoria Plumb, a British online retailer of bathroom products and furniture. No financial terms were disclosed, although Private Equity International puts the price tag at around £200 million. www.victoriaplumb.com

Victory Park Capital has acquired Surefire Industries USA LLC, a Houston, Texas-based maker of equipment and solutions for onshore and offshore hydraulic fracturing, coiled tubing, cementing, nitrogen and fluid pumping services. No financial terms were disclosed.

IPOs

Advanced Drainage Systems Inc., a Hilliard, Ohio-based maker of corrugated high-density polyethylene pipe products, has filed for a $100 million IPO. It plans to trade on the NYSE under ticker symbol WMS, with Barclays and Deutsche Bank Securities serving as lead underwriters. The company reports $30 million of net income on $1.02 billion in revenue for the fiscal year ending March 31, 2013. Shareholders include American Securities and The University of Notre Dame. www.ads-pipe.com

Bravofly BV, a Switzerland-based online travel agency backed by Ardian, is planning to raise upwards of $340 million in its Zurich IPO. The company plans to offer up to 5.78 million shares at between 40 and 52 francs per share. www.bravofly.com

Cheetah Mobile Inc., a Chinese maker of mobile security software that is majority owned by KingSoft Corp. (HK: 3888), has filed for a $300 million IPO. It plans to trade on the NYSE, with Morgan Stanley, J.P. Morgan and Credit Suisse serving as lead underwriters. The company reports $10 million of net income on around $124 million in 2013 revenue.

Lumena Pharmaceuticals, a San Diego-based developer of oral therapeutics for rare liver diseases, has filed for a $75 million IPO. It plans to trade on the Nasdaq under ticker symbol LIVR, with Citigroup, Cowen & Co. and Leerink Partners serving as lead underwriters. Shareholders in the pre-revenue company include Alta Partners (34% pre-IPO stake), New Enterprise Associates (17%), RiverVest Ventures (14.9%), Pappas Ventures (12.2%) and Adage Capital Partners (7.9%).www.lumenapharma.com

Materialise NV, a Belgium-based provider of 3D printing services, has filed for a $125 million IPO. It plans to trade on the Nasdaq, with Piper Jaffray and Credit Suise serving as lead underwriters. The company reports $3.4 million in net income on $69 million in 2013 revenue, compared to $1.4 million in net income on $59 million in 2012 revenue. Shareholders include Sniper Investments (3.45% pre-IPO stake). www.materialise.com

NW18 HSN Holdings, a digital commerce platform in India, has filed for a $75 million IPO. It plans to trade under ticker symbol HS, with Citigroup and Credit Suisse serving as lead underwriters. Indian media group Network 18 (BSE: 532798) holds a 54.5% pre-IPO stake, while other shareholders include SAIF (25.2%). www.network18online.com

Rubicon Project Inc., a Los Angeles-based provider of online ad sales automation, raised $102 million in its IPO. The company priced 6.77 million shares at $15 per share (low end of $15-$17 range), and closed its first day of trading at $20.04 per share (market cap of $969 million). It is trading on the NYSE under ticker symbol RUBI, while Morgan Stanley, Goldman Sachs and RBC Capital Markets served as lead IPO underwriters. Rubicon Project reports a $9.2 million net loss on around $56 million in revenue for the first nine months of 2013, compared to a $4.4 million net loss on $38 million in revenue for the year-earlier period. Shareholders include Clearstone Venture Partners (24% pre-IPO stake), News Corp. (21.3%), Mayfield Fund (15.6%), Peacock Equity and IDG Ventures Asia.www.rubiconproject.com

M&A

The Blackstone Group is in talks to sell six Boston-area office properties for around $2.5 billion, according to Bloomberg. The properties were originally acquired as part of Blackstone’s 2007 purchase of Equity Office Properties Trust. www.blackstone.com’

Cardinal Health (NYSE: CAH) has agreed to acquire AccessClosure Inc., a Mountain View, Calif.–based maker of extravascular closure devices, for $320 million in cash. AccessClosure backers included New Leaf Venture Partners and Three Arch Partners. www.accessclosure.com

Plug Power Inc. (Nasdaq: PLUG) has acquired the assets of ReliOn Inc., a Spokane, Wash.-based provider of fuel cell solutions for backup power and grid-support applications, for approximately $4 million in stock. ReliOn had raised raised more than $30 million in VC funding from Allianz Private Equity Partners, Enterprise Partners, Oak Investment Partners, PCG, Chrysalix Energy and Cummins Inc.(NYSE:CMI). www.relion-inc.com

Baxter International Inc. (NYSE: BAX) has agreed to acquire Chatham Therapeutics LLC, a Chapel Hill, N.C.-based developer of gene therapy programs for hemophilia. The deal includes a $70 million up-front payment. www.baxter.com

Dunnhumby, a data science unit of Tesco PLC (LSE: TSCO), has acquired Sociomantic Labs, a German programmatic ad tech company. No financial terms were disclosed. www.sociomantic.com

Meltwater Drive Sverige AB has offered to acquire listed Swedish PR software and services company Cision for approximately $138 million. This represents around a 9% premium to an existing takeover offer from Blue Canyon Holdings, a portfolio company of GTCR. www.cision.com

Terra Firma has hired Goldman Sachs and Deutsche Bank to explore strategic options for Ireland-based aircraft leasing firm Awas, according to the NY Times. www.awas.com

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