GP co-investment describes the capital that a sponsor, or general partner, puts into a deal from its own balance sheet rather than fees earned. Instead of only collecting acquisition and asset management fees, the sponsor holds a real ownership stake next to limited partners, taking on the same downside risk if a property underperforms.
The size of that stake varies by sponsor and deal structure, ranging from a token amount to a substantial percentage of total equity. Investors evaluating a sponsorship team often look for a co-investment large enough to matter, since a small symbolic check does little to align incentives when returns fall short of projections. A meaningful commitment signals that the sponsor believes in its own underwriting and is willing to absorb losses in the same order, or ahead of, its investors. Combined with a well-structured equity waterfall, co-investment is one of the clearer ways to judge whether a sponsor's interests actually track those of the capital it raises.
Further reading: Why Meaningful GP Co-Investment Matters More Than Ever
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