I think it also depends on your size and nature of your business...
IBM has acquired about 200 companies (see the list below) in last ten years, many of them had zero layoffs, some have been completely eliminated...
So really, it takes time for things to play out and you may not be affected at all:
166 IBM Acquisitions (2011 to 2018):
Access360; Agile 3 Solutions; AlchemyAPI; Algorithmics Inc.; Alphablox Corporation; Aperto AG; Aptrix; AptSoft Corporation; ARGUS Semiconductor Software From INFICON; Armanta, Inc.; Arsenal Digital Solutions; Ascential Software Corporation; Aspera, Inc.; BigFix, Inc.; BlackDot Networks, Inc.; BLADE Network Technologies; Blekko; Blue Wolf Group LLC; Bluebox; Bowstreet, Inc.; BuildForge, Inc.; Business Continuity Services unit of Schlumberger; Butterfly Software Ltd.; Candle Corporation; Cast Iron Systems; CIMS Lab, Inc.; Clarity Systems; Clearleap; Cleversafe; Cloudant, Inc.; Cognea; Cognos; Collation, Inc.; Compose Inc.; Consul Risk Management, Inc.; Coremetrics; Corio; CrossAccess Corporation; CrossIdeas; CrossWorlds Software, Inc.; CSL International; Cúram Software; Cyanea Systems; Daeja Image Systems; Daksh e-Services; Datacap; DataMirror Corporation; DataPower Technology, Inc.; DemandTec; Diligent Technologies; DORANA product line from Ubiquity Pty Limited; DWL; EADS Matra Datavision; ecx.io AG; Emptoris; Encentuate, Inc.; Exeros Assets; Explorys; EZSource; Fiberlink Communications; FileNet Corporation; FilesX; Global Value Solutions; Gluecode Software; Gravitant, Inc; Green Hat (software company); Green Pasture Software, Inc.; Guardium; Holosofx, Inc.; i2 Limited; ILOG; InfoDyne Corporation; Information Laboratory; Informix Corporation; Initiate Systems; Intelliden Inc.; Internet Security Systems (ISS); iPhrase Systems, Inc.; Iris Analytics; Isogon Corporation; Kenexa Corporation; KeyMRO; Language Analysis Systems; Liberty Insurance Services; Lighthouse Security Group; Lombardi; Maersk Data and DMdata from Maersk; Mainspring; Meiosys; Merge Healthcare Inc.; Metamerge; Meteorix LLC; Micromuse, Inc.; MRO Software; National Interest Security Company, LLC; Net Integration Technologies Inc.; Netezza; Network Solutions Pvt Ltd; NovusCG; Oniqua Holdings Pty Ltd.; OpenPages; Optevia; Ounce Labs; Outblaze's E-Mail Service Assets; Palisades Technology Partners; Phytel; Platform Computing; Platform Solutions; Princeton Softech, Inc.; Productivity Solutions, Inc.; Promontory Financial Group; PSS Systems; PureEdge Solutions, Inc.; PWC Consulting from PricewaterhouseCoopers; Q1 Labs; Qinnova, Inc.; Rational Software Corporation; Red Hat; RedPill Solutions; Rembo Technology; Resilient Systems; Resource/Ammirati; Sanovi Technologies; Silverpop Systems, Inc.; Softek Storage Solutions Corporation; SoftLayer Technologies; Solid Information Technology; SPSS Inc.; Star Analytics; Sterling Commerce; StoredIQ; Storwize; StrongLoop Inc.; Systemcorp ALG Ltd.; Systems Research Tarian Software; Tealeaf Technology; Telelogic AB; Texas Memory Systems; The Now Factory; The Weather Company; Think Dynamics; Transitive Corporation; Trellisoft, Inc.; Trigo Technologies; Tririga Inc.; Trusteer; Truven Health Analytics; Unica Corporation; Unicible; Unicorn Solutions, Inc.; UrbanCode; Ustream; Vallent Corporation; Varicent; Venetica; Viacore, Inc.; Vivant Digital; Vivisimo; Watchfire Corporation; WebDialogs; Webify Solutions, Inc; Worklight; XCC; XIV; Xtify