MMHEX — MainStay MacKay High Yield Municipal Bond Fund
Data updated: 2026-06-25
MMHEX — MainStay MacKay High Yield Municipal Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Corporate Bond · $9.55B AUM · 0.58% expense ratio · 7.3% 1-yr return. From SEC regulatory filings.
MMHEX Fund Overview
MMHEX — MainStay MacKay High Yield Municipal Bond Fund is a US mutual fund managed by New York Life Investments Funds Trust, categorised as Long Corporate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: New York Life Investments Funds Trust
- Category: Long Corporate Bond
- Assets under management: $9.55B
- 1-year return: 7.3%
- Ticker: MMHEX
- SEC CIK: 0001469192
- SEC series ID: S000028227
- Share class ID: C000185918
MMHEX Holdings
Top 10 holdings of MainStay MacKay High Yield Municipal Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Buckeye Tobacco Settlement Financing Authority | 2.10% |
| Puerto Rico Commonwealth Aqueduct & Sewer Authority | 1.33% |
| GDB Debt Recovery Authority of Puerto Rico | 1.29% |
| Public Finance Authority | 1.22% |
| Commonwealth of Puerto Rico | 1.16% |
| Matching Fund Special Purpose Securitization Corp. | 1.13% |
| New York Transportation Development Corp. | 1.05% |
| Puerto Rico Sales Tax Financing Corp. | 1.05% |
| Metropolitan Washington Airports Authority Dulles Toll Road | 0.93% |
| Puerto Rico Sales Tax Financing Corp. | 0.87% |
MMHEX Portfolio Allocation
Asset-class allocation of MainStay MacKay High Yield Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 95.2% |
| Cash & Equivalents | 2.9% |
| Other | 0.5% |
| Real Estate | 0.1% |
MMHEX Performance
Total returns for MMHEX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.9% |
| 1 year | 7.3% |
| 3 years (annualised) | 5.1% |
| 5 years (annualised) | 1.4% |
MMHEX Risk Information
Risk metrics for MMHEX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 5.5%
MMHEX Costs and Fees
MMHEX costs about $58 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.58%
- Gross expense ratio: 0.58%
- Portfolio turnover: 28%
- Brokerage commissions: 0.08 bps of average net assets (SEC N-CEN)
MMHEX Cashflows
Over the 12 months to 2026-04, MainStay MacKay High Yield Municipal Bond Fund had net outflows of $81.32M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$8.11M |
| 2026-03 | $39.06M |
| 2026-02 | $135.55M |
| 2026-01 | $187.33M |
| 2025-12 | −$70.10M |
| 2025-11 | −$70.76M |
MMHEX Debt Constituents
Largest debt holdings of MainStay MacKay High Yield Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Buckeye Tobacco Settlement Financing Authority | 2.10% |
| Puerto Rico Commonwealth Aqueduct & Sewer Authority | 1.33% |
| GDB Debt Recovery Authority of Puerto Rico | 1.29% |
| Public Finance Authority | 1.22% |
| Commonwealth of Puerto Rico | 1.16% |
| Matching Fund Special Purpose Securitization Corp. | 1.13% |
| New York Transportation Development Corp. | 1.05% |
| Puerto Rico Sales Tax Financing Corp. | 1.05% |
| Metropolitan Washington Airports Authority Dulles Toll Road | 0.93% |
| Puerto Rico Sales Tax Financing Corp. | 0.87% |
MMHEX Prospectus and SEC Filings
Official MainStay MacKay High Yield Municipal Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Corporate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.