Earlier quoted context omitted.
Is it invested in an index fund?
Yes. I contributed 50% to a bond fund, as well, but that is like, 10% of the total, nowadays.
That's one of the ridiculous aspects of fixed-percentage allocations: by constructions those allocations tell you that you should get rid of the things that are making you the most money, and put it into the things which are underperforming instead. (I get that you didn't do that, I'm just got reminded of it.)