Arlington County Employees' Retirement System

The system does not maintain a large proprietary origination engine. Instead, it relies on a curated selection of external general partners and consultants, supplemented by peer networks such as NCPERS and the Government Finance Officers Association. Direct co-investments typically flow from existing fund relationships, a common model among mid-sized public pensions seeking reduced fee drag. Access to early-stage venture and special situations is almost entirely partner-dependent rather than in-house.

It operates a hybrid model. The majority of committed capital goes into primary fund commitments and fund-of-funds structures, but the team also executes direct co-investments alongside trusted managers. Real assets, including real estate and infrastructure, are held through both direct interests and pooled vehicles. The internal investment team is too lean to run a purely direct model, so external partnerships remain the dominant path.

The investment policy spans early-stage seed and startup, expansion and late-stage growth, buyout, distressed debt, mezzanine, special situations, and natural resources. In practice, venture and growth equity exposures tend to be accessed through fund commitments, while buyout and private credit allocations may include co-investment rights. Real estate and infrastructure complete the illiquid sleeve, with public equities and fixed income forming the liquid core.

A board of trustees, currently led by President Jonathan C. Kinney, governs the plan. Susie Ardeshir serves as Executive Director and Chief Investment Officer, holding day-to-day responsibility for manager selection, asset allocation, and portfolio construction. The board retains approval authority over large commitments and policy changes, a standard public-pension governance model that separates fiduciary oversight from investment execution.

Because the plan covers only Arlington County employees rather than a statewide or multi-employer pool, contribution flows and liability streams are tied to the fiscal health of a single affluent jurisdiction. This creates greater predictability on both the asset and liability sides, allowing the system to take more illiquidity risk than a less stable plan. The board has historically used that flexibility to commit higher percentages to private markets than some peer systems.

The board increased its target allocation to private credit in late 2023, responding to the yield environment created by higher base rates. The strategy emphasizes floating-rate instruments and special-situations lending, which benefit from tighter spreads and elevated reference rates. Co-investment vehicles inside existing credit relationships are likely to receive incremental attention as the allocation ramps.

No explicit exclusion list has been published, and the system does not appear to operate under statutory investment prohibitions beyond standard public pension restrictions on concentrated risk. Observers should assume a broad investable mandate, with sector exposure determined by underlying manager selection rather than top-down divestment policies.