ASML Holdings, a listed Dutch chipmaker, has agreed to acquire Cymer Inc. (Nasdaq: CYMY), a San Diego–based provider of lithography light sources used by chipmakers to manufacture advanced semiconductor devices, for approximately $2.5 billion in cash and stock (70% premium to yesterday’s closing price). www.asml.com

Apple (Nasdaq: AAPL) has acquired Particle, a web apps developer whose investors included Justin Timberlake, according to CNet. No financial terms were disclosed. www.apple.com

Natixis Global Asset Management has agreed to acquire McDonnell Investment Management LLC, an Oak Brook, Ill.-based investment advisor with approximately $13.5 billion in assets under management. No financial terms were disclosed. www.mcdonnellinvestments.com

Twitter has acquired mobile app development startup Cabana for an undisclosed amount.www.twitter.com

Pearson PLC (LSE: PSON) has acquired EmbanetCompass, an Elk Grove, Ill.-based based provider of online degree and learning programs, for $650 million in cash. Sellers include Technology Crossover Ventures and Knowledge Universe. EmbanetCompass is expected to generate $130 million in 2012 revenue. www.pearson.com

Esri, a UK-based provider of geographic information systems, has acquired Geoloqi, a Portland, Ore.-based location-based services platform. No financial terms were disclosed. Geoloqi had raised VC funding from Bridge City Ventures, The Indus Entrepreneurs and Voyager Capital. www.esriuk.com

Microsoft Corp. (Nasdaq: MSFT) has agreed to acquire StorSimple, a Santa Clara, Calif.-based provider of enterprise cloud storage for Windows and VMware infrastructure. No financial terms were disclosed. StorSimple has raised around $31 million in VC funding from Ignition Partners, Index Ventures, Mayfield Fund and Redpoint Ventures. www.storsimple.com

TeleNav (Nasdaq: TNAV) has acquired ThinkNear, a Los Angeles-based hyper-local mobile advertising company. The deal is valued at $22.5 million, including around $18.5 million in cash. ThinkNear raised $1.6 million in seed funding last year from IA Ventures, ldStart VC, ff Venture Capital, Google Ventures, Metamorphic Ventures, Qualcomm Ventures, Real Ventures and Zelkova Ventures. www.telenav.com

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