Tweets about impact investing Clarin handle: http://hdl.handle.net/11356/1188 The corpus contains 668,529 tweets (tweet IDs) relevant to "impact investing", accompanied by sentiment labels given by an automated sentiment classifier. Impact investing involves investments made into companies, organizations, and funds with the intention to generate social and environmental impact alongside a financial return. The tweets relevant to impact investing were collected in the period from March 28, 2017, to January 28, 2018, through the Twitter Search API, and annotated for sentiment labels "Negative", "Neutral" or "Positive" by a general-purpose English language sentiment classifier. The tweets were collected based on a list of known impact investing Twitter users, relevant keywords and impact investing related events. In particular, the queries include relevant users (@YF_Academy, @esmeefairbairn, @resonanceltd, @Big PotentialSI, etc.), single hashtags (#socfin, #impinv #socialfinance, #impactinvestment, etc.), combined hashtags (#social & #finance, #social & #investment, #impact & #assessment, etc.), and hashtags of major impact investing events (#impact2, #socap17, #OxfordIIP, #skollwf, etc.). A comprehensive list of queries is as follows: KEYWORDS impfin impactfinance positiveinvestment ethical AND finance socialinvesting ethical AND investing ethicalinvestment tbli sustainable AND finance 3bl ethicalfinance ethical AND investment impact AND assessment socialfinance impact AND finance socfin impact AND measurement sustainableinvesting social AND Investing sustainable AND investing SROI impactinvestment socialinvestment sustainable AND investment social AND finance impact AND investment social AND investment socimp socialentrepreneurship SRI socinv impact AND investing socialinnovation socinn impactinvesting socialenterprise socialimpact ESG impact finance social impinv CSR socent EVENTS Oxford AND Impact AND Investing AND Programme EVPA AND Gathering AND of AND Leaders ESELA AND Annual AND Conference OxfordIIP @_EVPA_ Marmalade Impact AND Capitalism AND Summit Impact AND Capitalism AND Summit Impact AND Investing AND Conference Social AND Value AND Matters @OxfordSBS ALFIImpact17 ESELA2017 SOCAP socap17 @marmalade_io Skoll AND World AND Forum impact2 SVM17 Impact^2 skollwf USERS acumentfund ImpInvPolicy ImpactBanker HarveyKoh ImpactInSight pdgoldman jessmatthewsCA ab_noble andrewbeebe officialbmag IAimpactassets ethicalmarkets KeshaCashIAFund socialfinance cynmull LisaGreenHall jnovogratz Bcorporation ToniicNetwork MinPease durreen theGIIN _BlueHaven NancyPfundDBL calvert_fdn franseegull SOCAPMarkets ClaraGMiller netimpact SSIReview ABLImpact Sherrling rossbaird JeanCase AspenANDE ChangeMakers BlendedValue pierre EchoingGreen GOOD CaseFoundation BigSocietyCap devindthorpe adamspence impcapital cathyhc NextBillion annefieldonline