U.S. college endowments are poised to take the worst slide in performance since the 2009 recession.

Funds with more than $500 million lost a median 0.73 percent in the fiscal year through June 30, while endowments of all sizes lost 0.74 percent, according to results published Tuesday by Wilshire Trust Universe Comparison Service, a database provided by Wilshire Associates. The service reports quarterly on about $3.6 trillion in assets under management and 1,300 plans.

The numbers are an early look at the potential lackluster returns endowments may report this fall. Many of the wealthiest schools rely on endowments for their budgets, and most determine how much they spend based on a three- or five-year average of returns. Performance was affected by the worst month for the Standard & Poor’s 500 Index in more than three years last August amid concerns about slowing global growth. 

Much Lower

“Going forward, expected returns are going to be subpar, perhaps much lower than they have historically experienced,” said Maggie Ralbovsky, a managing director at Wilshire’s consulting business. “Diversification hasn’t helped in the last five years. The more diverse you are, the worse off you are.”

For fiscal 2016, a benchmark 60/40 portfolio of the Wilshire 5000 Total Stock Market Index for U.S. equities and the Wilshire Bond Index returned 4.5 percent.

After double-digit gains in fiscal 2014, endowment performance trailed off in fiscal 2015 to 3.6 percent for the wealthiest schools and 2.8 percent for all endowments, according to the Wilshire service.

The largest endowments are no longer mostly invested in U.S. equities, a shift that began some three decades ago. Endowments sought to follow a model designed by Yale University, which now invests more than 50 percent of its fund in private equity and other illiquid assets.

Alternative Strategies

Only 13 percent of assets in fiscal 2015 were allocated to domestic equities for endowments with more than $1 billion, and 21 percent for funds between $501 million and $1 billion, according to the National Association of College and University Business Officers and Commonfund. Funds with more than $1 billion in assets allocated 57 percent of their portfolio to alternative strategies.