yes for line 2 of the k-1 since you can't aggregate. if you don't enter them now, you will lose the benefit of any losses either when income is generated by it or when sold or if the partnership is terminated. also potential issues with the IRS.
say one has a 2024 loss but a profit in 2025 or a future year. you can't just reduce the income by the loss you never claimed. you would need to amend 2024 but if it's now 2028 it's now too late to amend 2024 so you can't claim the loss.
as for the portfolio income on line 5 i would enter for the primary k-1 along with line 1. it's not passive so has no effect on any other lines
since no details were provided for the other lines, I can't really say which k-1 is best. there should be a supplemental statement that might indicate which activity its associated with
