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Roth IRA all in one fund, or not? [duplicate]
First, you should diversify your portfolio.  If your entire portfolio is in the Roth IRA, then you should eventually diversify that.  However, if you have an IRA and a 401k, then it's perfectly fine for the IRA to be in a single fund.  For example, I used my IRA to buy a riskier REIT that my 401k doesn't support.   Second, if you only have a small amount currently invested, e.g. $5500, it may make sense to put everything in a single fund until you have enough to get past the low balance fees.  It's not uncommon for funds to charge lower fees to someone who has $8000, $10,000, or $12,000 invested.  Note that if you deposit $10,000 and the fund loses money, they'll usually charge you the rate for less than $10,000.  So try to exceed the minimum with a decent cushion.   A balanced fund may make sense as a first fund.  That way they handle the diversification for you.  A targeted fund is a special kind of balanced fund that changes the balance over time.  Some have reported that targeted funds charge higher fees.  Commissions on those higher fees may explain why your bank wants you to buy.   I personally don't like the asset mixes that I've seen from targeted funds.  They often change the stock/bond ratio, which is not really correct.  The stock/bond ratio should stay the same.  It's the securities (stocks and bonds) to monetary equivalents that should change, and that only starting five to ten years before retirement.  Prior to that the only reason to put money into monetary equivalents is to provide time to pick the right securities fund.  Retirees should maintain about a five year cushion in monetary equivalents so as not to be forced to sell into a bad market.   Long term, I'd prefer low-load index funds.  A bond fund and two or three stock funds.  You might want to build your balance first though.  It doesn't really make sense to have a separate fund until you have enough money to get the best fees.  70-75% stocks and 25-30% bonds (should add to 100%, e.g. 73% and 27%).  Balance annually when you make your new deposit.