Across the country, public employers are facing increased healthcare volatility and shrinking budgets. As plan costs rise and risk grows more unpredictable, traditional fully insured and individual self-funded models often fall short.

Enter the stop-loss captive—a structured, shared-risk model that brings public employers together to manage costs more effectively.

What Is a Stop-Loss Captive?

At its core, a stop-loss captive is a group-owned insurance vehicle. Instead of each employer purchasing individual stop-loss coverage from a commercial carrier, members pool their resources to form or join a captive. That captive assumes a portion of the collective risk and retains any underwriting profits that would otherwise go to an insurer.

It’s a proven model in the private sector and now, organizations like CPEC (Carolina Public Entity Cooperative) are extending the same advantages to public employers.

Key Benefits of Stop-Loss Captives for Public Employers

1. Improved Rate Stability

Traditional stop-loss rates are subject to sharp increases after high-claims years. Captives soften the blow by pooling risk across multiple entities, which flattens volatility and allows for more predictable budgeting.

2. Underwriting Profit Returns

With a captive, unused premium dollars aren’t lost—they’re returned to the group. Over time, these dividends can reduce net healthcare costs by hundreds of thousands of dollars.

3. Greater Transparency and Control

Captives offer insight into claims activity and financial performance. This data visibility allows public employers to adjust strategy midyear instead of reacting at renewal.

4. Collaborative Leverage

Entities in a captive can collectively negotiate better deals with third-party administrators (TPAs), pharmacy benefit managers (PBMs), and other partners.

5. Alignment with Long-Term Strategy

Captives are ideal for forward-thinking employers focused on multiyear planning and cooperative cost containment—not just short-term savings.

How Captives Work: A Public-Sector Scenario

Let’s say three mid-sized counties and four municipalities join together in a stop-loss captive. Each entity still operates its own self-funded health plan, but instead of buying separate stop-loss policies, they contribute to the captive.

When a high-cost claim arises, the captive covers costs above each employer’s specific deductible, up to a shared aggregate limit. If claims are below expectations, surplus funds stay in the captive—not a carrier’s balance sheet.

Who Should Consider a Stop-Loss Captive?

While traditionally designed for employers with 100+ covered lives, captives are now accessible to smaller entities when structured as part of a group like CPEC. Ideal candidates include:

• Cities, counties, and utilities seeking predictable costs
• School districts looking to retain savings and reinvest in staff
• Regional councils of government building joint benefit strategies

Best Practices for Joining or Forming a Captive

1. Partner with Experienced Advisors

Captives require precision and regulatory awareness. Work with firms that specialize in both captive design and public-sector benefits, like Alpine Partners.

2. Vet Membership Criteria Carefully

Groups should share similar plan designs, funding philosophies, and commitment to wellness or cost containment to avoid imbalances in risk.

3. Leverage Technology for Reporting

Claims analytics, forecasting, and benchmarking tools can help your captive proactively manage trends rather than react to surprises.

4. Invest in Governance

Establish a clear governance structure with defined roles, voting rights, and financial review procedures. This ensures trust and alignment among members.

5. Start Small, Grow Strategically

Begin with a core group of aligned members, then expand gradually. This protects early stability while building momentum.

CPEC: A Case Study in Collaborative Risk Management

The Carolina Public Entity Cooperative offers one of the Southeast’s most promising examples of public-sector captive design. By combining the strengths of Alpine Partners, Benefit First, Brooks Pierce, and Bernard Robinson, CPEC:

• Offers entry into a professionally managed stop-loss captive
• Provides access to strategic underwriting and claims analysis
• Aligns administrative support and fiscal oversight across participants

With 10 entities engaged at launch, CPEC provides a model for how smaller governments can punch above their weight through smart collaboration.

Final Thoughts

Stop-loss captives aren’t just a financial mechanism—they’re a strategic choice. For public employers, they offer the opportunity to control costs, share risk responsibly, and reinvest in people and programs instead of carriers.

The time for public-sector innovation is now—and captives are a big part of the solution.

Interested in learning whether a captive fits your entity? Contact Alpine Partners today.