MDHEX — MainStay MacKay Short Duration High Yield Fund
Data updated: 2026-06-25
MDHEX — MainStay MacKay Short Duration High Yield Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Short Corporate Bond · $2.92B AUM · 0.69% expense ratio. From SEC regulatory filings.
MDHEX Fund Overview
MDHEX — MainStay MacKay Short Duration High Yield Fund is a US mutual fund managed by New York Life Investments Funds Trust, categorised as Short 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: Short Corporate Bond
- Assets under management: $2.92B
- Ticker: MDHEX
- SEC CIK: 0001469192
- SEC series ID: S000039301
- Share class ID: C000185946
MDHEX Holdings
Top 10 holdings of MainStay MacKay Short Duration High Yield Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Great Outdoors Group LLC | 1.11% |
| Churchill Downs, Inc. | 1.01% |
| Cloud Software Group, Inc. | 0.94% |
| TransDigm, Inc. | 0.91% |
| Organon & Co. | 0.89% |
| TransDigm, Inc. | 0.84% |
| Jazz Securities DAC | 0.74% |
| Big River Steel LLC | 0.74% |
| Star Leasing Co. LLC | 0.71% |
| SS&C Technologies, Inc. | 0.70% |
MDHEX Portfolio Allocation
Asset-class allocation of MainStay MacKay Short Duration High Yield Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 83.0% |
| Loans | 13.0% |
| Equity | 0.6% |
MDHEX Performance
Total returns for MDHEX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.3% |
| 1 year | 6.5% |
| 3 years (annualised) | 6.6% |
| 5 years (annualised) | 4.4% |
MDHEX Risk Information
Risk metrics for MDHEX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.7%
MDHEX Costs and Fees
MDHEX costs about $69 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.69%
- Gross expense ratio: 0.69%
- Portfolio turnover: 33%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MDHEX Cashflows
Over the 12 months to 2026-04, MainStay MacKay Short Duration High Yield Fund had net inflows of $157.54M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$12.63M |
| 2026-03 | −$119.72M |
| 2026-02 | −$478.25K |
| 2026-01 | −$3.94M |
| 2025-12 | $17.40M |
| 2025-11 | $2.18M |
MDHEX Debt Constituents
Largest debt holdings of MainStay MacKay Short Duration High Yield Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Churchill Downs, Inc. | 1.01% |
| Cloud Software Group, Inc. | 0.94% |
| TransDigm, Inc. | 0.91% |
| Organon & Co. | 0.89% |
| TransDigm, Inc. | 0.84% |
| Jazz Securities DAC | 0.74% |
| Big River Steel LLC | 0.74% |
| Star Leasing Co. LLC | 0.71% |
| SS&C Technologies, Inc. | 0.70% |
| Ken Garff Automotive LLC | 0.68% |
MDHEX Prospectus and SEC Filings
Official MainStay MacKay Short Duration High Yield Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Short 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.