MYSPX — MainStay MacKay S&P 500 Index Fund
Data updated: 2026-06-25
MYSPX — MainStay MacKay S&P 500 Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $2.05B AUM · 0.79% expense ratio · 30.1% 1-yr return. From SEC regulatory filings.
MYSPX Fund Overview
MYSPX — MainStay MacKay S&P 500 Index Fund is a US mutual fund managed by New York Life Investments Funds Trust, categorised as United States Large Cap Blend / Core Equity. 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: United States Large Cap Blend / Core Equity
- Assets under management: $2.05B
- 1-year return: 30.1%
- Ticker: MYSPX
- SEC CIK: 0001469192
- SEC series ID: S000028525
- Share class ID: C000087312
MYSPX Holdings
Top 10 holdings of MainStay MacKay S&P 500 Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp. | 7.69% |
| Apple, Inc. | 6.32% |
| Microsoft Corp. | 4.80% |
| Amazon.com, Inc. | 4.11% |
| Alphabet, Inc. | 3.55% |
| Broadcom, Inc. | 3.14% |
| Alphabet, Inc. | 2.83% |
| Meta Platforms, Inc. | 2.12% |
| United States of America | 2.08% |
| Tesla, Inc. | 1.70% |
MYSPX Portfolio Allocation
Asset-class allocation of MainStay MacKay S&P 500 Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 97.9% |
| Cash & Equivalents | 2.1% |
| Derivatives | 0.1% |
MYSPX Performance
Total returns for MYSPX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 5.4% |
| 1 year | 30.1% |
| 3 years (annualised) | 20.8% |
| 5 years (annualised) | 12.4% |
MYSPX Risk Information
Risk metrics for MYSPX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.4%
MYSPX Costs and Fees
MYSPX costs about $79 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.79%
- Gross expense ratio: 0.79%
- Portfolio turnover: 1%
- Brokerage commissions: 0.07 bps of average net assets (SEC N-CEN)
MYSPX Cashflows
Over the 12 months to 2026-04, MainStay MacKay S&P 500 Index Fund had net inflows of $127.87M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $18.15M |
| 2026-03 | $21.43M |
| 2026-02 | −$1.33M |
| 2026-01 | $29.38M |
| 2025-12 | $40.39M |
| 2025-11 | $6.52M |
MYSPX Debt Constituents
No individual debt constituents are reported in MainStay MacKay S&P 500 Index Fund's latest SEC N-PORT filing.
MYSPX Prospectus and SEC Filings
Official MainStay MacKay S&P 500 Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large Cap Blend / Core Equity 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.