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Report
Liquidity Transformation Risks in U.S. Bank Loan and High-Yield Mutual Funds: a 2026 Update
We update the mutual fund (MF) liquidity monitoring metrics introduced by Anadu and Cai (2019). We show that the median liquidity ratio for bank loan (BL) MFs has remained relatively stable in recent years, while the median illiquidity ratio is near levels last observed during the pandemic. This dynamic suggests increased liquidity transformation risk, on balance. To be sure, our measure captures only one dimension of illiquidity, rather than the full illiquidity profile of an MF’s portfolio.
Report
Liquidity Transformation Risks in U.S. Bank Loan and High-Yield Mutual Funds
In this note, we examine the liquidity profiles of a sample of bank loan and high-yield open-end mutual funds. Among other things, we find that the ten largest bank loan mutual funds have increased their holdings of the hardest-to-value, generally most illiquid assets over the past decade.
Working Paper
Institutional Herding and Its Price Impact : Evidence from the Corporate Bond Market
Among growing concerns about potential financial stability risks posed by the asset management industry, herding has been considered as an important risk amplification channel. In this paper, we examine the extent to which institutional investors herd in their trading of U.S. corporate bonds and quantify the price impact of such herding behavior. We find that, relative to what is documented for the equity market, the level of institutional herding is much higher in the corporate bond market, particularly among speculative-grade bonds. In addition, mutual funds have become increasingly likely ...
Discussion Paper
Bank Lending to Private Credit: Size, Characteristics, and Financial Stability Implications
Private credit (or private debt) has emerged as one of the fastest-growing segments of nonbank financial intermediaries (NBFIs) over the past 15 years or so. Although there is no universal definition, private credit generally refers to direct loans made to mid-market businesses typically by non-bank vehicles such as private debt (PD) funds and Business Development Companies (BDCs) (Cai and Haque, 2024; Haque, Mayer, and Stefanescu, 2025). The asset class totaled $1.34 trillion in the U.S. (Exhibit 1) and nearly $2 trillion globally by 2024-Q2, and has grown roughly five times since 2009.
Discussion Paper
Liquidity Transformation Risks in U.S. Bank Loan and High-Yield Mutual Funds: A 2026 Update
Mutual funds (MFs) and other open-ended collective investment funds engage in liquidity transformation—they offer investors daily redemptions while investing in assets that may take longer than a day to sell without significant price impact. This activity is particularly salient for corporate debt funds, where large investor redemptions during stress periods could result in fire sales that adversely affect underlying markets (see, e.g., Goldstein, Jiang, and Ng, 2017; Chernenko and Sunderam, 2020; Falato, Goldstein, and Hortaçsu, 2021; Federal Reserve Board, 2025).
Discussion Paper
Liquidity Transformation Risks in U.S. Bank Loan and High-Yield Mutual Funds
Net assets in open-end (non-money market) mutual funds (MFs) have increased notably over the past decades.
Discussion Paper
Household and Business Debt: A Fire-Sale Risk Analysis
As of year-end 2019, nonfinancial business debt (BD) and household debt (HD) as a share of GDP were at similar levels of around 74 percent, and yet Federal Reserve Financial Stability Report suggested that BD posed greater risks to financial stability than HD. Since the onset of the pandemic, the size of aggregate BD has increased considerably as a result of roughly $1.25 trillion of new issuance, while HD has grown by less than $100 billion. This note looks through the lens of fire-sale risks to show why nonfinancial BD is more concerning for financial stability than the HD.
Discussion Paper
Bank Borrowings by Asset Managers Evidence from U.S. Open-End Mutual Funds and Exchange-Traded Funds
In this note, we look into investment funds' access to and usage of bank credit, based on a new dataset on credit line (and other types of loan) extension by top bank holding companies to open-end mutual funds and ETFs in the United States. We find that the aggregate amount of bank lending to open-end funds and ETFs was small and greatly fluctuated across time. Bank credit, particularly in the form of credit lines, has offered funds a flexible liquidity source from which they can draw down cash in times of excessive fund outflows, such as during the onset of the COVID-19 pandemic outbreak. In ...
Discussion Paper
New Insights from N-CEN: Liquidity Management at Open-End Funds and Primary Market Concentration of ETFs
Structural vulnerabilities associated with open-end funds have received increasing attention among academics and regulators over the past few years. Despite the effort by policymakers to enhance the liquidity risk management practices at these funds, evaluating the availability, use and effectiveness of liquidity management tools continues to be a challenging task in assessing vulnerabilities in open-end funds, largely because comprehensive data on open-end funds' access to liquidity management tools remain scarce.
Discussion Paper
Private Credit: Characteristics and Risks
Private credit or private debt investments are debt-like, non-publicly traded instruments provided by non-bank entities, such as private credit funds or business development companies (BDCs), to fund private businesses. Private credit is typically extended to middle-market firms with annual revenues between $10 million and $1 billion, but has grown rapidly in recent years to fund larger companies that were traditionally funded by leveraged loans.