SCHEDULE 13G

CUSIP No.

615111101

1

Names of Reporting Persons

MANAGED ACCOUNT ADVISORS, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 985,863.00
8	Shared Dispositive Power 807,017.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,792,880.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

11

Percent of class represented by amount in row (9)

5.2 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: This Schedule 13G is a restatement of the original filed on February 13, 2025, adding selections to Section 2, "Member of a Group", and Item 3, "Person Filing", that were omitted and correcting information in Item 5, "Ownership of 5 Percent of Less of a Class".

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

Montrose Environmental Group, Inc.

(b)

Address of issuer's principal executive offices:

4 PARK PLAZA, SUITE 790, IRVINE, CALIFORNIA, 92614.

Item 2.

(a)

Name of person filing:

MANAGED ACCOUNT ADVISORS, LLC

(b)

Address or principal business office or, if none, residence:

101 HUDSON STREET, 9TH FLOOR JERSEY CITY, NJ 07302

(c)

Citizenship:

Delaware

(d)

Title of class of securities:

Common Stock

(e)

CUSIP No.:

615111101

Item 3.

If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(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);

(i)

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:

(k)

Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

Item 4.

Ownership

(a)

Amount beneficially owned:

1,792,880

(b)

Percent of class:

5.2 %

(c)

Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote:

0

(ii) Shared power to vote or to direct the vote:

0

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

985,863

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

807,017

Item 5.

Ownership of 5 Percent or Less of a Class.

Item 6.

Ownership of more than 5 Percent on Behalf of Another Person.

Not Applicable

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Not Applicable

Item 8.

Identification and Classification of Members of the Group.

Not Applicable

Item 9.

Notice of Dissolution of Group.

Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not 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.

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.

MANAGED ACCOUNT ADVISORS, LLC

Signature:	Carlos A. Torres
Name/Title:	Authorized Signatory
Date:	04/03/2025