# NYLIM MacKay Muni Short Duration ETF (MMSD) — Overview

MMSD · NYSE · Fund

Canonical page: https://www.lighthorse.io/tickers/mmsd

## Price

Last close $24.89 on Oct 15, 2026. 52-week range $24.65 – $25.67.

## Fund profile

MMSD is actively managed, seeking current income exempt from federal tax through primarily investment grade municipal bonds. The fund incorporates ESG risk assessments into its strategy while maintaining an average portfolio duration of 1-3 years.

| Metric | Value |
| --- | --- |
| Issuer | New York Life Investment Management LLC |
| Industry | — |
| Inception | May 6, 2025 |
| Assets under management | $83.1M |
| Expense ratio | 0.25% |
| Net asset value | $24.81 (as of Oct 14, 2026) |
| Distributions | Monthly |
| Leverage | 1x |

## Frequently Asked Questions

### What is NYLIM MacKay Muni Short Duration ETF (MMSD)?

MMSD is actively managed, seeking current income exempt from federal tax through primarily investment grade municipal bonds. The fund incorporates ESG risk assessments into its strategy while maintaining an average portfolio duration of 1-3 years.

### What is MMSD's expense ratio?

NYLIM MacKay Muni Short Duration ETF charges an annual expense ratio of 0.25%. The fund is issued by New York Life Investment Management LLC.

### How large is MMSD?

NYLIM MacKay Muni Short Duration ETF manages $83.1M in assets and has traded since May 6, 2025.

### How do I buy shares of NYLIM MacKay Muni Short Duration ETF (MMSD)?

MMSD trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

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Quotes and charts are not real-time and must not be relied on for trade decisions or valuation.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).