What is co-investment in private equity?
Co-investment in private equity refers to a direct investment made alongside a private equity fund in a company identified and selected by the management company.
This participation is separate from the commitment made to the main fund and relates to a specific transaction, generally under economic conditions comparable to those of the lead fund.
In this model, the fund retains full responsibility for selecting, structuring, and monitoring the investment. The co-investor acts as a minority partner, with no direct operational role. However, it remains exposed to the same economic dynamics and uncertainties as the main fund.
Co-investments are offered within specific legal and regulatory frameworks tailored to investor profiles and the nature of the transactions. Access to these investments remains subject to strict eligibility criteria and an ability to understand the specific characteristics of unlisted investments.
The rationale behind co-investments
Increased flexibility for management companies
For a management company, co-investment allows it to adjust the size of transactions without altering the overall balance of the fund. It is also a way of bringing certain investors on board for specific projects, with a view to establishing long-term partnerships.
Optimization of the operational structure
From a financial perspective, co-investment can help optimize the capital structure of a transaction. Co-investment makes it possible to tailor financing sources to the characteristics of the target company.
This flexibility does not compromise the fund's investment discipline, which remains guided by selection criteria defined in advance.
Operational functioning of a co-investment
The central role of the management company
The management company remains at the heart of the process throughout the investment lifecycle. It identifies opportunities, conducts strategic and financial analysis, performs due diligence, and structures the capital investment.
It then monitors participation, governance, and the implementation of value creation levers.
The co-investor's scope of intervention
Co-investors benefit from the analysis carried out by the manager. They receive detailed documentation on the company's business model, competitive environment, governance, and the main risk factors identified. This information is intended to provide an informed understanding of the transaction, without replacing the investor's own assessment.
The acquisition of equity interests is generally carried out through a dedicated vehicle, structured in accordance with legal, tax, and operational constraints. The investment horizon is aligned with that of the lead fund, and the exit terms depend on market conditions and the company's trajectory, with no guarantee of timing or results.
The benefits generally associated with co-investment
Targeted and granular exposure
The main advantage of co-investment lies in direct exposure to a specific company selected by a specialized management team.
In some cases, this granularity makes it possible to strengthen sector or thematic exposure within an overall allocation. It is therefore essential that it forms part of a coherent portfolio construction strategy.
Specific economic characteristics
The economic structure of co-investments may differ from that of traditional funds. In some cases, the applicable fees are separate, reflecting the specific nature of the transaction and the absence of pooling across a broader portfolio. However, this characteristic must be analyzed independently of any performance considerations.
Co-investment is generally considered as a complement to a diversified allocation in private equity funds. It is not a diversification tool in itself and requires rigorous management of risk concentration.
The risks and constraints inherent in co-investment
Increased concentration risk
By nature, co-investment exposes investors to a higher concentration risk than investing through a fund. Performance depends directly on the trajectory of a single company, its sector of activity, and its economic environment.
A heightened demand for analysis and responsiveness
Understanding operational, financial, and sector-specific issues is an essential prerequisite. Even when the analysis is conducted by an experienced manager, investors must be able to understand the assumptions made and the adverse scenarios.
The timing of transactions also requires greater responsiveness. Decision windows can be short, depending on the pace of transactions. They require the ability to mobilize capital over long horizons, without intermediate liquidity.
Co-investment and investment via a fund: complementary approaches
Investing through a private equity fund involves pooling capital across a portfolio of investments. This offers diversification across companies, sectors, and vintages. Co-investment, on the other hand, offers targeted and specific exposure, with a distinct structure.
In institutional allocations, these two approaches are often combined. The fund forms the basis of exposure to unlisted assets, while co-investment is used opportunistically and in a measured manner, in accordance with a predefined allocation framework.

Access to co-investments and eligibility framework
Access to co-investment is subject to strict regulatory frameworks, via appropriate vehicles or platforms. Investors must have the necessary knowledge, experience, and financial capacity to understand the associated risks. They must also be able to tie up capital for the duration of the transaction.
The selection of opportunities is based on the manager's analysis, the quality of governance, the target's sector positioning, and consistency with the investor's overall allocation, with no possibility of standardization.
Conclusion
Co-investment is a sophisticated private equity tool that provides targeted exposure to companies selected by specialized management firms. Used judiciously, it complements fund investments by adding additional granularity to the allocation.
However, it requires a thorough understanding of unlisted securities, acceptance of increased risk concentration, and rigorous discipline in portfolio construction, making it an instrument reserved for investors who are able to fully appreciate its implications.
FAQ
What is a co-investment in private equity?
A private equity co-investment is a direct investment made alongside a private equity fund in a specific company selected by the management company. It is a separate investment from the commitment to the main fund, exposed to the same economic dynamics and risks.
What benefits are generally associated with co-investment?
Co-investment allows for targeted exposure, increased granularity in private equity allocation and, in some cases, a specific economic structure. These elements do not constitute a guarantee of performance or a systematic advantage.
What are the main risks of co-investment?
The main risks of co-investment include high concentration, structural illiquidity, dependence on sector trends, and the risk of capital loss.
How does co-investment differ from investing through a fund?
Investing through a fund is based on pooled diversification and complete delegation to the manager. Co-investment corresponds to a single exposure, requiring specific analysis and rigorous risk management.
Who can access co-investments in private equity?
Access is restricted to investors who meet specific eligibility criteria and have the necessary resources to understand the characteristics and risks of unlisted investments.








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