Goldman Sachs reports 5.0% stake in Montrose Environmental

Rhea-AI Filing Summary

MONTROSE ENVIRONMENTAL GROUP INC disclosure: Goldman Sachs Asset Management, L.P. reports beneficial ownership of 1,826,307 shares of Common Stock, representing 5.0% of the class as shown on the cover page, with shared voting power of 1,549,150 shares as of 03/31/2026. The filing is a Schedule 13G joint filing executed under a Joint Filing Agreement dated 04/03/2026.

Insights

Institutional Ownership Analyst

Goldman Sachs reports a 5.0% passive stake in MEG.

Goldman Sachs Asset Management, L.P. lists 1,826,307 shares beneficially owned with 1,549,150 shares of shared voting power as of 03/31/2026. The filing is submitted as a Schedule 13G, which typically indicates passive or investment-manager reporting status rather than activist intent.

Holder decisions will determine any future activity; the filing includes a Joint Filing Agreement dated 04/03/2026. Subsequent SEC filings could disclose changes in position or voting arrangements.

Corporate Governance Specialist

Voting and dispositive powers are reported as shared, not sole.

The entry shows shared voting power: 1,549,150 and shared dispositive power: 1,826,307, indicating control is exercised jointly across Goldman Sachs reporting units per the Release cited in the filing.

PRIVILEGES: The filing disclaims ownership for certain client accounts and disaggregated units. Future amendments would update percent ownership if the position changes materially.

Key Figures

Beneficial ownership: 1,826,307 shares Percent of class: 5.0% Shared voting power: 1,549,150 shares +1 more

4 metrics

Beneficial ownership 1,826,307 shares Amount beneficially owned as reported on cover page (03/31/2026)

Percent of class 5.0% Percent of class as reported on cover page (03/31/2026)

Shared voting power 1,549,150 shares Shared voting power reported on cover page (03/31/2026)

Shared dispositive power 1,826,307 shares Shared dispositive power reported on cover page (03/31/2026)

Key Terms

Schedule 13G, shared dispositive power, Joint Filing Agreement, Goldman Sachs Reporting Units

4 terms

Schedule 13G regulatory

"Item 1. Name of issuer: MONTROSE ENVIRONMENTAL GROUP INC"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

shared dispositive power regulatory

"Shared Dispositive Power 1,826,307.00"

Joint Filing Agreement regulatory

"EXHIBIT (99.1) JOINT FILING AGREEMENT"

Goldman Sachs Reporting Units other

"securities beneficially owned by certain operating units (collectively, the "Goldman Sachs Reporting Units")"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does Goldman Sachs Asset Management report in MEG?

Goldman Sachs Asset Management, L.P. reports beneficial ownership of 1,826,307 shares, representing 5.0% of the class as of 03/31/2026. The figures appear on the Schedule 13G cover page and Item 4 information.

What voting powers does the filing show for Goldman Sachs in MEG?

The filing reports shared voting power of 1,549,150 shares and shared dispositive power of 1,826,307 shares as stated on the cover page. Sole voting and sole dispositive powers are listed as zero.

Is this a passive or active reporting filing for MEG (Schedule 13G)?

This document is a Schedule 13G joint filing, which typically indicates passive investor reporting rather than an activist 13D filing; the cover page and Item 4 reflect the reported ownership and joint filing agreement.

Does the filing cover all Goldman Sachs entities' holdings in MEG?

The filing states it reflects securities held by certain Goldman Sachs Reporting Units and disclaims holdings by disaggregated units or client accounts, per the Release cited in the Item 4 disclosure.

When was the joint filing agreement executed for this Schedule 13G?

The Joint Filing Agreement attached as an exhibit is dated 04/03/2026, and the Schedule 13G shows ownership figures tied to 03/31/2026 on the cover page.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/11/2026 - 03:47 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

MONTROSE ENVIRONMENTAL GROUP INC

(Name of Issuer)

Common Stock, par value $0.000004 share

(Title of Class of Securities)

615111101

(CUSIP Number)

03/31/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 615111101

1

Names of Reporting Persons

Goldman Sachs Asset Management, L.P.

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 1,549,150.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,826,307.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,826,307.00

10

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

11

Percent of class represented by amount in row (9)

5.0 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MONTROSE ENVIRONMENTAL GROUP INC
(b)	Address of issuer's principal executive offices: 5120 Northshore Drive, North Little Rock, X1,72118
Item 2.
(a)	Name of person filing: GOLDMAN SACHS ASSET MANAGEMENT
(b)	Address or principal business office or, if none, residence: Goldman Sachs Asset Management 200 West Street New York, NY 10282
(c)	Citizenship: GOLDMAN SACHS ASSET MANAGEMENT, L.P. - Delaware
(d)	Title of class of securities: Common Stock, par value $0.000004 share
(e)	CUSIP Number(s): 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: See the response(s) to Item 9 on the attached cover page(s).
(b)	Percent of class: See the response(s)to Item 11 on the attached cover page(s).
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See the response(s) to Item 5 on the attached cover page(s).
	(ii) Shared power to vote or to direct the vote: See the response(s) to Item 6 on the attached cover page(s).
	(iii) Sole power to dispose or to direct the disposition of: See the response(s) to Item 7 on the attached cover page(s).
	(iv) Shared power to dispose or to direct the disposition of: See the response(s) to Item 8 on the attached cover page(s).
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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.

Goldman Sachs Asset Management, L.P.

Signature:	Name: Sam Prashanth
Name/Title:	Attorney-in-fact
Date:	04/03/2026

Exhibit Information

EXHIBIT (99.1) JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Common Stock, par value $0.000004 share, of MONTROSE ENVIRONMENTAL GROUP INC and further agree to the filing of this agreement as an Exhibit thereto. In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement on Schedule 13G. Date: 04/03/2026 GOLDMAN SACHS ASSET MANAGEMENT, L.P. By:/s/ Sam Prashanth ---------------------------------------- Name: Sam Prashanth Title: Attorney-in-fact EXHIBIT (99.2) ITEM 4 INFORMATION *In accordance with the Securities and Exchange Commission Release No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the securities beneficially owned by certain operating units (collectively, the "Goldman Sachs Reporting Units") of The Goldman Sachs Group, Inc. and its subsidiaries and affiliates (collectively, "GSG"). This filing does not reflect securities, if any, beneficially owned by any operating units of GSG whose ownership of securities is disaggregated from that of the Goldman Sachs Reporting Units in accordance with the Release. The Goldman Sachs Reporting Units disclaim beneficial ownership of the securities beneficially owned by (i) any client accounts with respect to which the Goldman Sachs Reporting Units or their employees have voting or investment discretion or both, or with respect to which there are limits on their voting or investment authority or both and (ii) certain investment entities of which the Goldman Sachs Reporting Units act as the general partner, managing general partner or other manager, to the extent interests in such entities are held by persons other than the Goldman Sachs Reporting Units.