I would think it would be fine to submit kitas, accomodation etc. If they have doubts they might ask for a picture of each page of your passport to check there are no new stamps for other countries.
Consider taking a margin loan against your portfolio and keeping it in your bank for the required time, then you just have to pay a small amount of interest and not liquidate your investments.
I also ran a little test on the "place of issue" field. On my DTV application in Jakarta, I put "HMPO" which is what it says in the authority field of my passport. On my wife's application I just put "United Kingdom", even though her passport says HMPO too. Both were approved.