The benefits to knowing the holding turnover is first, you know how volatile the fund could potentially be, as buying and selling dose as volatility to the fund. When people are long term investing, they may not want to see the constant buying and selling because it may not match their investing philosophy our goal. Secondly, higher turnover typically means higher expense ratio because there is team involved in researching the next holdings and that takes time and energy.
There are no real disadvantages to holdings turnover expect higher expenses, because it could be the goal of the fund to try to find the next big thing and invest in it. When looking at the holdings turnover, it should be noted in your research because you want your investments to follow your current investing strategy. If you are a passive investor, you may not want a fund that has high holdings turnover.
When looking at products that have holdings turn over, focus on mutual funds and ETF’s, as these are the products that have underlying holdings that support the product being purchased. Of course they may be others out there, but these are the primary products affected. Pick apart the product and understand what is inside, because you may find that it is one sided and is heavily invested into one market sector, when that may not be the best situation.
Gather as many data points as you can when completing your research, as this will give you the best chance as success. Always feel free to reach out to an investing community and bounce your ideas off of them, as you will get real time feedback. If that doesn’t work, reach out to an investing professional and they can help to point you in the right direction.