Shares of FlexShares iBoxx 5 Year Target Duration TIPS Index Fund (NYSEARCA:TDTF – Get Free Report) saw unusually-high trading volume on Wednesday . Get FlexShares iBoxx 5 Year Target Duration TIPS Index Fund alerts:Institutional Investors Weigh In On FlexShares iBoxx 5 Year Target Duration TIPS Index FundInstitutional investors have recently added to or reduced their stakes in the stock. Betterment LLC boosted its position in shares of FlexShares iBoxx 5 Year Target Duration TIPS Index Fund by 9.6% during the fourth quarter. About FlexShares iBoxx 5 Year Target Duration TIPS Index FundThe FlexShares iBoxx 5-Year Target Duration TIPS Index Fund (TDTF) is an exchange-traded fund that is based on the iBoxx 5-Year Target Duration TIPS index. See AlsoReceive News & Ratings for FlexShares iBoxx 5 Year Target Duration TIPS Index Fund Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for FlexShares iBoxx 5 Year Target Duration TIPS Index Fund and related companies with MarketBeat.com's FREE daily email newsletter.