Sec Form 13G Filing - UBS Group AG filing for PIONEER MUNICIPAL HIGH INCOME ADVANTAGE FUND INC. (MAV) - 2018-02-28

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 5)*

Pioneer Municipal High Income Advantage Trust (MAV)

(Name of Issuer)

Auction Preferred Stock

(Title of Class of Securities)

723762209

723762308

(CUSIP Number)

February 28, 2018

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☒ Rule 13d–1(b)

☐ Rule 13d–1(c)

☐ Rule 13d–1(d)

The information required in 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).

Item 1(a) Name of issuer: Pioneer Municipal High Income Advantage Trust

Item 1(b) Address of issuer’s principal executive offices:

60 STATE STREET

BOSTON MA 02109

2(a) Name of person filing:

UBS Group AG

2(b) Address or principal business office or, if none, residence:

UBS Group AG

Bahnhofstrasse 45

PO Box CH-8098

2(c) Citizenship:

Switzerland

2(d) Title of class of securities:

Auction Preferred Stock

2(e) CUSIP No.:

723762209

723762308

This response lists the CUSIP numbers assigned to every series of auction preferred securities issued by the Issuer and not redeemed, including series in which UBS Group AG may not have an ownership position.

(a) ☐ Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b) ☒ Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c) ☐ Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d) ☐ Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a–8);

(e) ☐ An investment adviser in accordance with §240.13d–1(b)(1)(ii)(E);

(f) ☐ An employee benefit plan or endowment fund in accordance with §240.13d–1(b)(1)(ii)(F);

(g) ☐ A parent holding company or control person in accordance with §240.13d–1(b)(1)(ii)(G);

(h) ☐ A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(j) ☐ A non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J);

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially owned: 0.

(b) Percent of class: 0.00%.

(c) Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote _________.

(ii) Shared power to vote or to direct the vote 0.

(iii) Sole power to dispose or to direct the disposition of _________.

(iv) Shared power to dispose or to direct the disposition of 0.

Dissolution of a group requires a response to this item.

N/A

N/A

N/A

N/A

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect other than activities solely in connection with a nomination under §240.14a-11.

Signatures

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.