Alder BioPharmaceuticals Inc., a Bothell, Wash.-based developer of human antibody therapeutics to, has raised $38 million in Series D funding. Novo Ventures led the round, and was joined by return backers Sevin Rosen Funds, Ventures West, WRF Capital, H.I.G. Ventures, Delphi Ventures and TPG Biotech. www.alderbio.com

BranchOut, a San Francisco-based professional networking app on Facebook, has raised $25 million in Series C funding. Mayfield Fund led the round, and was joined by return backers Accel Partners, Norwest Venture Partners and Redpoint Ventures. The company previously raised $24 million. www.branchout.com

D.CN, a Chinese mobile gaming platform, has raised more than $20 million in second-round funding. SAIF Partners led the round, and was joined by Beijing Grains Valley Capital and return backer Qiming Venture Partners. www.d.cn

AdSafe Media, a New York-based provider of brand protection and ad viewability data, has raised $10 million in new VC funding from Pelion Venture Partners, Atlas Venture and Coriolis Ventures. www.adsafemedia.com

MySupermarket, an Israel-based price comparison site, has raised $10 million in new VC funding. WPP Digital led the round with a $7 million investment, and was joined by return backers Greylock Partners and Pitango Venture Capital. www.mysupermarket.co.uk

Copiun Inc., a Marlborough, Mass.-based mobile collaboration solution with end-to-end data governance, has secured the final tranche of a $5 million Series A round led by Novak Biddle Venture Partners. www.copiun.com

SynGen Inc., a Sacramento, Calif.-based regenerative medicine company focused on stem cell harvesting systems, has raised $5 million in Series A funding from Bay City Capital. www.syngeninc.com

SkySQL, a Finland, Calif.-based provider of database solutions for the enterprise and cloud, has raised $4 million in Series A funding from OnCorps, Industry Investment, Spintop Ventures and Open Ocean Capital. www.skysql.com

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