# EDGAR Filing Document

**Accession Number:** 0001133639
**File Stem:** 0001085146-26-000436
**Filing Date:** 2026-6
**Character Count:** 7654
**Document Hash:** 0e948c462edfcd594e68c3a3c264419e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001085146-26-000436.hdr.sgml**: 20260608

**ACCESSION NUMBER**: 0001085146-26-000436

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260608

**DATE AS OF CHANGE**: 20260608

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NYLI MacKay Muni Income Opportunities Fund
- **CENTRAL INDEX KEY:** 0001995668

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94490
- **FILM NUMBER:** 261072617

**BUSINESS ADDRESS:**
- **STREET 1:** 51 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10010
- **BUSINESS PHONE:** 212-576-7000

**MAIL ADDRESS:**
- **STREET 1:** 51 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10010

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MainStay MacKay Municipal Income Opportunities Fund
- **DATE OF NAME CHANGE:** 20230929
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NEW YORK LIFE INVESTMENT MANAGEMENT LLC
- **CENTRAL INDEX KEY:** 0001133639

**ORGANIZATION NAME:**
- **EIN:** 522206685

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 51 MADISON AVE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10010
- **BUSINESS PHONE:** 2125767000

**MAIL ADDRESS:**
- **STREET 1:** 51 MADISON AVE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10010

### Attached PDF Documents

**Attachment 1:** `nylim_exhibita060526.pdf`

_No text found in this document._

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**NYLI MacKay Muni Income Opportunities Fund**

*(Name of Issuer)*

**Class A2 Common Shares**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**Kevin Bopp**<br>51 MADISON AVE<br>NEW YORK NY 10010<br>201-685-6187

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**05/01/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**NEW YORK LIFE INVESTMENT MANAGEMENT LLC** | Name of reporting person<br>**NEW YORK LIFE INVESTMENT MANAGEMENT LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IA** | Type of Reporting Person (See Instructions)<br>**IA** | |

---

**Comment for Reporting Person:** This Amendment No. 1 ("Amendment No. 1") amends and supplements the Schedule 13D (the "Schedule 13D") originally filed with the Securities and Exchange Commission (the "SEC") on March 25, 2024.  Each item below amends and supplements the information disclosed under the corresponding Item of the Schedule 13D.  Except as specifically provided herein, this Amendment No. 1 does not modify any of the information previously reported in the Schedule 13D.  The filing of this Amendment No. 1 represents the final amendment to the Schedule 13D and constitutes an exit filing for the Reporting Person.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Class A2 Common Shares

**(b) Name of Issuer:**
NYLI MacKay Muni Income Opportunities Fund

**(c) Address of Issuer's Principal Executive Offices:**
51 MADISON AVENUE, NEW YORK, NY, 10010

Item 1 of the Schedule 13D is hereby amended and restated as follows:

This statement on Schedule 13D relates to Class A2 common shares ("Class A2 Shares") of NYLI MacKay Municipal Income Opportunities Fund (the "Issuer" or "Fund"), a Delaware statutory trust registered under the Investment Company Act of 1940, as amended (the "Investment Company Act"), as a non-diversified, closed-end management investment company. The principal executive office of the Fund is located at 51 Madison Ave, New York, NY 10010.

**Item 4. Purpose of Transaction**

Item 4 of the Schedule 13D is hereby amended and restated as follows:

The reported securities were initially acquired solely to seed and support the Fund.  On May 1, 2026, NYLIM distributed all of its interests in the Fund's Class A2 Shares, consisting of 2,688.763 shares, to its sole member, New York Life Investment Management Holdings LLC, which in turn contributed all such shares to its wholly owned subsidiary, NYLIM Capital LLC.  Both the distribution and the contribution were effected at a price of $10.15 per share.  The transfers were part of a reorganization to consolidate various seed capital holdings under a single legal entity to facilitate improved tracking and oversight of such seed capital investments.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Item 5(a) is hereby amended and restated as follows:

As of the date of this filing, the Reporting Person may be deemed the beneficial owner of 0 securities of the Issuer, representing 0% of the Issuer's issued and outstanding Class A2 Shares.

**(b)**
Item 5(b) is hereby amended and restated as follows:

As of the date of this filing, the Reporting Person may be deemed to have the power to vote and dispose of 0 Class A2 Shares.

**(c)**
Except as disclosed in this Schedule 13D, the Reporting Person has not effected any transactions in Class A2 Shares of the Issuer during the past 60 days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Item 6 of the Schedule 13D is hereby amended and restated as follows:

New York Life Investment Management Holdings LLC is the sole member and sole interest holder of NYLIM as described in response to Item 2.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** NEW YORK LIFE INVESTMENT MANAGEMENT LLC

**Signature:** /s/ Kirk Lehneis

**Name/Title:** Kirk Lehneis, Head of US Retail

**Date:** 06/08/2026