Since this is an investment club, there really isn't any "ordinary trade or business" income or loss. It would all be related to investment income and investment expenses. In 2018, some investment expenses are either no longer deductible, or severely limited and don't result in a tax benefit. For more information, here are the partner's instructions for Sch K-1, and where items go on Form 1040 and/or related schedules.
https://www.irs.gov/pub/irs-pdf/i1065sk1.pdf
**Disclaimer: Effort has been made to offer correct information; but due to the discussion forum limitations, the poster disclaims any legal responsibility for the accuracy of the poster's response**