[SCHEDULE 13D/A] Pioneer Municipal High Income Opportunities Fund, Inc. SEC Filing

Rhea-AI Filing Summary

Amendment No. 6 to a Schedule 13D/A for Pioneer Municipal High Income Opportunities Fund, Inc. (MIO) updates Item 5 and reiterates the identities of the reporting persons as Saba Capital Management, L.P., Saba Capital Management GP, LLC and Boaz R. Weinstein. The filing states the Reporting Persons currently report 0 common shares beneficially owned, representing 0% of the class based on 16,885,273 shares outstanding as of April 30, 2025. The filing discloses that approximately $22,658,835 was paid to acquire the Common Shares reported herein and that funds and accounts advised by Saba Capital have the right to receive dividends and sale proceeds. The filing also states there have been no transactions in the common shares since the Schedule 13D/A filed on February 3, 2025.

Positive

• Formally filed Amendment No. 6 updating Item 5 and maintaining regulatory transparency
• Clear identity and background disclosures for Saba Capital, Saba GP and Boaz R. Weinstein
• Explicit statement that funds/accounts advised by Saba Capital have rights to dividends and sale proceeds

Negative

• Reporting inconsistency: the filing states ~$22,658,835 was paid to acquire shares but reports 0 shares beneficially owned
• No current beneficial ownership disclosed (0 shares, 0%), limiting evidence of an active position
• No transactions since 2/3/25, providing limited new market-moving information

Insights

Financial Analyst

TL;DR The amendment clarifies background and ownership reporting and shows no current beneficial ownership despite disclosed purchase consideration.

The filing confirms standard background and organizational details for Saba Capital, Saba GP and Boaz Weinstein and restates procedural disclosures. Material numeric points are the 0 shares beneficially owned and the use of 16,885,273 shares outstanding as the denominator. The statement that approximately $22.66 million was paid to acquire the Common Shares reported herein is explicit but sits alongside a reported aggregate ownership of 0, which the filing does not reconcile. The absence of transactions since the prior Schedule 13D/A and the stated rights to dividends and sale proceeds are factual disclosures with limited immediate market impact.

Corporate Governance Expert

TL;DR Filing fulfills disclosure obligations but raises a reporting inconsistency between purchase consideration and reported beneficial ownership.

The amendment supplies standard identity, source-of-funds and legal-history disclosures and certifies no disqualifying legal matters. From a governance perspective, the document meets Schedule 13D/A form requirements by updating Item 5 and affirming who may receive dividends or proceeds. The filing explicitly shows no sole or shared voting or dispositive power and an aggregate ownership of 0%. The statement that ~$22.66M was paid to acquire shares warrants clarification in subsequent amendments or exhibits to resolve the apparent inconsistency with the zero holdings reported here.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 6)

Pioneer Municipal High Income Opportunities Fund, Inc

(Name of Issuer)

Common Shares, $0.001 par value

(Title of Class of Securities)

723760104

(CUSIP Number)

Saba Capital Management, L.P.
405 Lexington Avenue, 58th Floor, Attention: Michael D'Angelo
New York, NY, 10174
(212) 542-4635

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

08/27/2025

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 723760104

1

Name of reporting person

Saba Capital Management, L.P.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

0.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

0 %

14

Type of Reporting Person (See Instructions)

PN, IA

Comment for Type of Reporting Person:

The percentages used herein are calculated based upon 16,885,273 shares of common stock outstanding as of 4/30/25, as disclosed in the company's N-CSRS filed 7/9/25

SCHEDULE 13D

CUSIP No. 723760104

1

Name of reporting person

Boaz R. Weinstein

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

0.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

0 %

14

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person:

The percentages used herein are calculated based upon 16,885,273 shares of common stock outstanding as of 4/30/25, as disclosed in the company's N-CSRS filed 7/9/25

SCHEDULE 13D

CUSIP No. 723760104

1

Name of reporting person

Saba Capital Management GP, LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

0.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

0 %

14

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person:

The percentages used herein are calculated based upon 16,885,273 shares of common stock outstanding as of 4/30/25, as disclosed in the company's N-CSRS filed 7/9/25

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Shares, $0.001 par value
(b)	Name of Issuer: Pioneer Municipal High Income Opportunities Fund, Inc
(c)	Address of Issuer's Principal Executive Offices: 60 STATE STREET, 5TH FLOOR, BOSTON, MASSACHUSETTS , 2109.
Item 1 Comment: This Amendment No. 6 amends Item 5.
Item 2.	Identity and Background
(a)	This Schedule 13D/A is being jointly filed by: (i) Saba Capital Management, L.P., a Delaware limited partnership ("Saba Capital"); (ii) Saba Capital Management GP, LLC, a Delaware limited liability company ("Saba GP"); and (iii) Mr. Boaz R. Weinstein ("Mr. Weinstein"), (together, the "Reporting Persons"). Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party. The filing of this statement should not be construed as an admission that any Reporting Person is, for the purposes of Sections 13 of the Securities Exchange Act of 1934, the beneficial owner of the Common Shares reported herein.
(b)	The address of the business office of each of the Reporting Persons is 405 Lexington Avenue, 58th Floor, New York, New York 10174.
(c)	The principal business of: (i) Saba Capital is to serve as investment manager to private and public investment funds and/or accounts, (ii) Saba GP is to serve as general partner of the Saba Capital and other affiliated entities, and (iii) Mr. Weinstein, an individual, is managing member of the general partner of Saba Capital and other affiliated entities.
(d)	The Reporting Persons have not, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	The Reporting Persons have not, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and, as a result of such proceeding, was, or is subject to, a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, Federal or State securities laws or finding any violation with respect to such laws.
(f)	Saba Capital is organized as a limited partnership under the laws of the State of Delaware. Saba GP is organized as a limited liability company under the laws of the State of Delaware. Mr. Weinstein is a citizen of the United States.
Item 3.	Source and Amount of Funds or Other Consideration
	Funds for the purchase of the Common Shares were derived from the subscription proceeds from investors and the capital appreciation thereon and margin account borrowings made in the ordinary course of business. In such instances, the positions held in the margin accounts are pledged as collateral security for the repayment of debit balances in the account, which may exist from time to time. Since other securities are held in the margin accounts, it is not possible to determine the amounts, if any, of margin used to purchase the Common Shares reported herein. A total of approximately $22,658,835 was paid to acquire the Common Shares reported herein.
Item 5.	Interest in Securities of the Issuer
(a)	See the Reporting Persons section of this Schedule 13D/A for the aggregate number of Common Shares and percentages of the Common Shares beneficially owned by each of the Reporting Persons. The percentages used herein are calculated based upon 16,885,273 shares of common stock outstanding as of 4/30/25, as disclosed in the company's N-CSRS filed 7/9/25
(b)	See the Reporting Persons section of this Schedule 13D/A for the number of Common Shares as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition.
(c)	No transactions in the Common Shares since the filing of the Schedule 13D/A on 2/3/25.
(d)	The funds and accounts advised by Saba Capital have the right to receive the dividends and proceeds of sales from the Common Shares.
(e)	Not Applicable

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.

Saba Capital Management, L.P.

Signature:	/s/ Michael D'Angelo
Name/Title:	General Counsel
Date:	08/29/2025

Boaz R. Weinstein

Signature:	/s/ Michael D'Angelo
Name/Title:	Authorized Signatory
Date:	08/29/2025

Saba Capital Management GP, LLC

Signature:	/s/ Michael D'Angelo
Name/Title:	Attorney-in-fact*
Date:	08/29/2025

Comments accompanying signature:

Pursuant to a power of attorney dated as of November 16, 2015, which is incorporated herein by reference to Exhibit 2 to the Schedule 13G filed by the Reporting Persons on December 28, 2015, accession number: 0001062993-15-006823

FAQ

What does the Schedule 13D/A filed for Pioneer Municipal High Income Opportunities Fund, Inc. (MIO) report?

The filing amends Item 5, identifies the reporting persons as Saba Capital Management, L.P., Saba Capital Management GP, LLC and Boaz R. Weinstein, and states 0 common shares beneficially owned representing 0% of the class.

How many shares outstanding were used to calculate the percentage ownership in the filing?

The filing uses 16,885,273 shares outstanding as of April 30, 2025 to calculate percentage ownership.

Did the filing disclose any purchases or amount paid for common shares?

Yes. The filing states that approximately $22,658,835 was paid to acquire the Common Shares reported herein.

Does Saba Capital have rights to dividends or sale proceeds from the shares?

Yes. The filing explicitly states that funds and accounts advised by Saba Capital have the right to receive dividends and proceeds of sales from the Common Shares.

Have there been any transactions in MIO common shares since the prior Schedule 13D/A?

No. The filing states no transactions in the Common Shares since the Schedule 13D/A filed on February 3, 2025.