You are at risk for the amount of money you have invested into the company.
Please see this answer from HelenC12.
Yes, you are 'at risk' if you could lose your money and/or property that you put into a business (Limited Partnership).
Amounts not at risk include nonrecourse financing, or guarantees or agreements that limit the losses of the taxpayer.
Additional info: IRS Form 6198 At-Risk Limitations
