Key Takeaways
- • StepStone Group partners Ariel Goldblatt and Marcel Schindler (head of private debt) highlight a strategic shift in portfolio construction driving increased co-investment activity in private debt markets.
- • Portfolio managers are reassessing risk-return profiles in private debt, recognizing that these instruments carry materially greater downside risk relative to upside potential, prompting a reallocation toward co-investment structures.
- • StepStone's co-investment practice leverages extensive general partner relationships to identify and activate diversified opportunities, with the firm reviewing significant deal volume annually and building scaled, diversified co-investment funds.
- • StepStone Group manages $723 billion in total capital responsibility (as of June 30, 2025), positioning it as a material player in private markets across primaries, secondaries, co-investments, and direct investments.
- • The uptick in co-investments reflects institutional investors' evolving strategy to customize portfolio exposure by integrating multiple private market vehicles rather than relying on traditional fund structures alone.
Summary
StepStone Group is experiencing elevated demand for co-investment opportunities in private debt as limited partners reassess their portfolio construction frameworks. According to an interview with partners Ariel Goldblatt and Marcel Schindler (head of private debt at StepStone), this shift reflects a fundamental change in how institutional investors evaluate risk-adjusted returns in private credit markets.
The core driver behind the co-investment uptick centers on a recalibration of risk expectations. Institutional investors have moved away from prioritizing established, marquee names toward a more sophisticated understanding that private debt instruments carry asymmetric risk profiles—specifically, that downside risk significantly outweighs upside potential. This realization has prompted portfolio managers to seek more granular control over exposure through co-investment structures, allowing for customized allocation strategies that integrate primaries, secondaries, and direct co-investment vehicles.
StepStone's role in this trend is material. The firm's co-investment practice operates across an extensive network of general partner relationships, enabling it to extract and activate opportunities that enhance portfolio diversification. The firm reviews a high volume of co-investment opportunities annually and possesses the scale to construct diversified co-investment funds—a critical capability for institutional clients seeking to deploy capital with reduced concentration risk. With $723 billion in total capital responsibility as of June 30, 2025, StepStone operates from a position of substantial market influence.
The broader implication for institutional investors is strategic: rather than maintaining passive exposure through traditional fund commitments, limited partners are increasingly employing co-investment vehicles as a tool for active portfolio construction, risk mitigation, and return optimization in an environment where private debt risk-return dynamics have fundamentally shifted.
The core driver behind the co-investment uptick centers on a recalibration of risk expectations. Institutional investors have moved away from prioritizing established, marquee names toward a more sophisticated understanding that private debt instruments carry asymmetric risk profiles—specifically, that downside risk significantly outweighs upside potential. This realization has prompted portfolio managers to seek more granular control over exposure through co-investment structures, allowing for customized allocation strategies that integrate primaries, secondaries, and direct co-investment vehicles.
StepStone's role in this trend is material. The firm's co-investment practice operates across an extensive network of general partner relationships, enabling it to extract and activate opportunities that enhance portfolio diversification. The firm reviews a high volume of co-investment opportunities annually and possesses the scale to construct diversified co-investment funds—a critical capability for institutional clients seeking to deploy capital with reduced concentration risk. With $723 billion in total capital responsibility as of June 30, 2025, StepStone operates from a position of substantial market influence.
The broader implication for institutional investors is strategic: rather than maintaining passive exposure through traditional fund commitments, limited partners are increasingly employing co-investment vehicles as a tool for active portfolio construction, risk mitigation, and return optimization in an environment where private debt risk-return dynamics have fundamentally shifted.
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