MSYEX — MainStay MacKay Unconstrained Bond Fund
Data updated: 2026-06-25
MSYEX — MainStay MacKay Unconstrained Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Total / Aggregate Bond · $1.75B AUM · 0.62% expense ratio · 6.7% 1-yr return. From SEC regulatory filings.
MSYEX Fund Overview
MSYEX — MainStay MacKay Unconstrained Bond Fund is a US mutual fund managed by New York Life Investments Funds, categorised as Intermediate Total / Aggregate 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
- Category: Intermediate Total / Aggregate Bond
- Assets under management: $1.75B
- 1-year return: 6.7%
- Ticker: MSYEX
- SEC CIK: 0000787441
- SEC series ID: S000006894
- Share class ID: C000185554
MSYEX Holdings
Top 10 holdings of MainStay MacKay Unconstrained Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States of America | 5.62% |
| United States of America | 5.50% |
| NYLI U.S. Government Liquidity Fund | 2.12% |
| United States of America | 1.10% |
| Allspring Govt Fund Lex | 0.86% |
| Invesco Govt And Agcy Lex | 0.52% |
| United States of America | 0.50% |
| Fnma | 0.47% |
| Fhlmc | 0.46% |
| Fidelity Inst Govt Lex | 0.40% |
MSYEX Portfolio Allocation
Asset-class allocation of MainStay MacKay Unconstrained Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 53.3% |
| Securitized | 42.0% |
| Cash & Equivalents | 3.9% |
| Loans | 3.6% |
MSYEX Performance
Total returns for MSYEX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.3% |
| 1 year | 6.7% |
| 3 years (annualised) | 7.5% |
| 5 years (annualised) | 3.8% |
MSYEX Risk Information
Risk metrics for MSYEX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.8%
MSYEX Costs and Fees
MSYEX costs about $62 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.62%
- Gross expense ratio: 0.62%
- Portfolio turnover: 136%
- Brokerage commissions: 0.71 bps of average net assets (SEC N-CEN)
MSYEX Cashflows
Over the 12 months to 2026-04, MainStay MacKay Unconstrained Bond Fund had net inflows of $756.01M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $45.73M |
| 2026-03 | $60.00M |
| 2026-02 | $59.00M |
| 2026-01 | $108.84M |
| 2025-12 | $24.49M |
| 2025-11 | $73.61M |
MSYEX Debt Constituents
Largest debt holdings of MainStay MacKay Unconstrained Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States of America | 5.62% |
| United States of America | 5.50% |
| United States of America | 1.10% |
| United States of America | 0.50% |
| Huntsman International LLC | 0.33% |
| Moog, Inc. | 0.31% |
| Bread Financial Holdings, Inc. | 0.29% |
| Synchrony Financial | 0.29% |
| Las Vegas Sands Corp. | 0.29% |
| Wayfair LLC | 0.29% |
MSYEX Prospectus and SEC Filings
Official MainStay MacKay Unconstrained Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate Total / Aggregate 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.