Market conditions have brought the funded status for many pension plans to elevated levels. Plans that are looking to de-risk, while maintaining future flexibility, can consider an immunized bond portfolio for retiree liabilities, and this case study demonstrates that modern approaches to cashflow matching portfolio construction can achieve efficient execution for large transactions.
Many plans took incremental steps to secure funding levels following a sizable appreciation in growth portfolios and the persistence of elevated liability discount rates. The plan in this case study decided on a larger derisking step by fully immunizing their retiree population with a cashflow matched bond portfolio.
While there were a number of derisking paths available, the plan's ultimate choice to create a cashflow matching portfolio, which would remain in the pension trust, was based on some important benefits:
The plan in our case study is relatively large (i.e., more than $5 billion in assets), remains open with accruing benefits, and the retiree portion consists of about half of the participants and about two-thirds of the liabilities.
With these characteristics as context, the plan's main objectives included the following:
Furthermore, conditions for proceeding with the transaction were:
An initial step in the implementation process consisted of constructing a model portfolio, which matched the liability cashflows and met the investment guideline constraints. The yield of the model portfolio was monitored daily. When both the yield trigger and coverage conditions were met, the rotation from the original, growth-heavy portfolio to the cashflow matching portfolio began.
Once the liquidation of the growth assets began, it was paramount to hedge the model portfolio yield—and its most volatile components of interest-rate and spread risk—quickly. Given the size of the transaction, a broader set of derivatives and ETFs were permitted, and a credit facility was established to facilitate efficient execution.
Once the portfolio ramping phase concluded, ongoing management began with a new, more constrained set of guidelines focusing on active security and sector selection.
Ultimate success of the transaction will be achieved by the portfolio paying all of the expected cashflows for the projected 30 years of the immunization. The progress towards this goal can be measured by monitoring the funded status of the liability. This provides a measure of how well the portfolio value covers the liability at any point in time.
Additionally, a custom market index was created, which provides a yardstick for measuring the value added through the asset manager's active portfolio management. The custom index is reweighted periodically as the liability rolls down over time.
This dual approach of funded status monitoring and creation of the custom index provides governance over both the ultimate objective for the portfolio to deliver benefit payments to the participants and the manager's ability to add alpha through active management.
Case studies are provided for illustrative purposes only and results may vary.
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