MMSD — NYLI Mackay Muni Short Duration ETF
Data updated: 2026-08-28
MMSD — NYLI Mackay Muni Short Duration ETF. Intermediate Municipal - National Bond · $61.95M AUM. Holdings, fees, performance and SEC filings.
MMSD Fund Overview
MMSD — NYLI Mackay Muni Short Duration ETF is a US ETF managed by New York Life Investments Active ETF Trust, categorised as Intermediate Municipal - National Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: New York Life Investments Active ETF Trust
- Category: Intermediate Municipal - National Bond
- Assets under management: $61.95M
- 1-year return: 4.7%
- Ticker: MMSD
- SEC CIK: 0001426439
- SEC series ID: S000090646
- Share class ID: C000257922
MMSD Holdings
Top 10 holdings of NYLI Mackay Muni Short Duration ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Pingree Grove Ill Spl Svc Areas No 2 & 7 | 2.00% |
| California Health Facilities Financing Authority (ca) | 1.94% |
| Phoenix City Industrial Development Authority (the) (az) | 1.94% |
| Buckeye Tobacco Settlement Financing Authority (oh) | 1.74% |
| New York City Housing Development Corp. (ny) | 1.64% |
| New York State Electric & Gas Corp. | 1.64% |
| Residential Care Facilities For The Elderly Authority Of Fulton County (ga) | 1.62% |
| Atlanta Ga Urban Residential Fin Auth | 1.62% |
| Piscataway Twp N J | 1.61% |
| Michigan Fin Auth | 1.61% |
MMSD Portfolio Allocation
Asset-class allocation of NYLI Mackay Muni Short Duration ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 99.1% |
| Cash & Equivalents | 0.8% |
MMSD Performance
Total returns for MMSD (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.8% |
| 1 year | 4.7% |
MMSD Risk Information
Risk metrics for MMSD, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.7%
MMSD Costs and Fees
MMSD costs about $25 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.25%
- Gross expense ratio: 0.42%
- Portfolio turnover: 158%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MMSD Cashflows
Over the 12 months to 2026-04, NYLI Mackay Muni Short Duration ETF had net inflows of $61.86M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $4.44M |
| 2026-03 | $0 |
| 2026-02 | $0 |
| 2026-01 | $638.43K |
| 2025-12 | $636.12K |
| 2025-11 | $0 |
MMSD Debt Constituents
Largest debt holdings of NYLI Mackay Muni Short Duration ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Pingree Grove Ill Spl Svc Areas No 2 & 7 | 2.00% |
| California Health Facilities Financing Authority (ca) | 1.94% |
| Phoenix City Industrial Development Authority (the) (az) | 1.94% |
| Buckeye Tobacco Settlement Financing Authority (oh) | 1.74% |
| New York City Housing Development Corp. (ny) | 1.64% |
| New York State Electric & Gas Corp. | 1.64% |
| Residential Care Facilities For The Elderly Authority Of Fulton County (ga) | 1.62% |
| Atlanta Ga Urban Residential Fin Auth | 1.62% |
| Piscataway Twp N J | 1.61% |
| Michigan Fin Auth | 1.61% |
MMSD Prospectus and SEC Filings
Official NYLI Mackay Muni Short Duration ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-08-26
- Prospectus (485BPOS) — filed 2025-08-26
- Prospectus supplement (497) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-06-22
- Portfolio holdings (N-PORT) — filed 2026-03-25
- Portfolio holdings (N-PORT) — filed 2025-12-29
- Annual census (N-CEN) — filed 2026-07-10
Related Funds
Other Intermediate Municipal - National 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.