Montrose Environmental Group, Inc. (MEG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

39,935,000Shares Outstanding

34,771,496Shares held by institutions

$727,071,981Value of institutional holdings

87.07%Institutional ownership %

16.76%Shares Changed QoQ

182No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Montrose Environmental Group, Inc. (NYSE:MEG) has 181 institutional investors that have filed 13F reports for the period ending December 2025.

They owned 82.2% of outstanding stock in December 2025, down from 84.1% the prior quarter.
They increased total shares held in Montrose Environmental by 10.92% from last quarter, and the number of investors in MEG increased 7.74% annually.
Of these 181 holders, 92 added to their stakes in Montrose Environmental, 65 trimmed positions, and 24 made no changes.
Institutional investors collectively held 32.83Mn shares in Montrose Environmental as of December 2025, up by 3.23Mn shares quarter on quarter, and down 1.54Mn shares year over year.
OP Asset Management Ltd is the top holder of Montrose Environmental as of December 31, 2025, with 312.31K shares representing 0.78% of outstanding stock.
The largest buyers of Montrose Environmental for the quarter ending December 2025 were OP Asset Management Ltd (239.6K), Raiffeisen Bank International AG (86.67K), CONGRESS ASSET MANAGEMENT CO (49.52K), Conestoga Capital Advisors, LLC (12.04K), Versant Capital Management, Inc (120).
The biggest sellers of Montrose Environmental for the quarter ending December 2025 included PEREGRINE CAPITAL MANAGEMENT LLC (11.39K), EXCHANGE TRADED CONCEPTS, LLC (1.49K), Sterling Capital Management LLC (803), SG Americas Securities, LLC (509), Radnor Capital Management, LLC (250).
Montrose Environmental's 10 largest shareholders as of December 2025 include OP Asset Management Ltd (312.31K), PEREGRINE CAPITAL MANAGEMENT LLC (268.78K), Raiffeisen Bank International AG (86.67K), Conestoga Capital Advisors, LLC (83.52K), CONGRESS ASSET MANAGEMENT CO (49.52K), Holcombe Financial, Inc. (47.65K), SG Americas Securities, LLC (22.47K), Kozak & Associates, Inc. (10.0K), Radnor Capital Management, LLC (9.98K), Avanza Fonder AB (4.7K) per Business Quant data.

186 Institutional Holders

34,771,496 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Goldman Sachs Group Inc	31 Dec, 2025	3,466,006	2,708,773	357.72%	$86,060,928.00
BlackRock, Inc.	31 Dec, 2025	3,240,378	53,660	1.68%	$80,458,587.00
BAMCO INC /NY/	31 Dec, 2025	2,160,599	136	0.01%	$53,647,673.00
VANGUARD GROUP INC	31 Dec, 2025	1,986,620	57,437	2.98%	$49,327,774.00
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	31 Dec, 2025	1,653,379	1,653,379	0.00%	$41,053,000.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	1,457,574	179,855	14.08%	$36,191,562.00
Principal Financial Group Inc	31 Dec, 2025	1,279,714	1,279,714	0.00%	$31,775,298.00
FRED ALGER MANAGEMENT, LLC	31 Dec, 2025	1,068,555	-81,141	-7.06%	$26,532,220.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	893,428	-94,559	-9.57%	$22,183,817.00
Truist Financial Corp	31 Dec, 2025	803,926	-1,887	-0.23%	$19,961,483.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	787,535	-87,964	-10.05%	$19,554,494.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	774,877	9,992	1.31%	$19,243,608.00
Janus Henderson Group Plc	31 Dec, 2025	763,892	-31,840	-4.00%	$18,967,220.00
State Street Corp	31 Dec, 2025	725,742	-264	-0.04%	$18,020,174.00
Stephens Investment Management Group LLC	31 Dec, 2025	704,702	43,774	6.62%	$17,497,751.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	698,089	90,999	14.99%	$17,335,979.00
Legal & General Group Plc	31 Dec, 2025	638,630	22,711	3.69%	$15,857,184.00
Summit Creek Advisors LLC	31 Dec, 2025	628,786	60,237	10.59%	$15,612,756.00
ALGERT GLOBAL LLC	31 Dec, 2025	566,855	387,667	216.35%	$14,075.00
Morgan Stanley	31 Dec, 2025	559,918	75,419	15.57%	$13,902,797.00

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