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@BAJJERFAN - go back to the original brokerage house documents and look at the long term section,

 

the short term losses are netted against the long term gain and the way your taxes were calculated - rightly or wrongly - is that the capital gains is long term. 

 

What dates did you provide to TT when you entered the data?  it should be very obvious from the brokerage account statement what is long term and what is short term. 

 

You also mentioned a Trust and a that means a K-1.  what was on that document that could have mapped over to the Long term and Short term section.  what is on Lines 8 and 9a of the K-1, if anything?

 

did you follow exactly what TT instructed you to do as you entered each document? 

 

if the gains should have been short term and your tax return reported then as long term, that HAS TO be amended as you have underpaid your taxes, but before jumping to that conclusion, let's go back to the original source documents and determine where the short term and long term information comes from

 

lastly, it may be as simple as the long term capital distributions that are on 13.  you didn't sell funds, but they distributed and reported that as long term distributions.