| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BAMCO INC /NY/ | 6.1% | -21% | $59,326,314 | -$14,697,114 | 2,160,463 | -20% | Baron Capital Group, Inc. | 30 Sep 2025 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 3.7% | -44% | $36,110,394 | -$27,532,549 | 1,315,018 | -43% | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 30 Sep 2025 |
| ALGER ASSOCIATES INC | 3% | $15,502,470 | 1,013,896 | Alger Associates, Inc. | 31 Dec 2024 | |||
| MANAGED ACCOUNT ADVISORS LLC | 2.7% | -50% | $22,645,696 | -$19,773,845 | 957,130 | -47% | MANAGED ACCOUNT ADVISORS, LLC | 30 Jun 2025 |
As of 31 Dec 2025, 181 institutional investors reported holding 32,335,640 shares of Montrose Environmental Group, Inc. - Common Shares (MEG). This represents 92% of the company’s total 35,301,683 outstanding shares.
The largest institutional shareholders of Montrose Environmental Group, Inc. - Common Shares (MEG) together control 72% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.2% | 3,240,378 | +1.7% | 0% | $80,458,587 |
| BAMCO INC /NY/ | 6.1% | 2,160,599 | +0.01% | 0.15% | $53,647,673 |
| VANGUARD GROUP INC | 5.6% | 1,986,620 | +3% | 0% | $49,327,774 |
| GOLDMAN SACHS GROUP INC | 4.9% | 1,733,003 | +129% | 0.01% | $43,030,464 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 4.7% | 1,653,379 | 0% | 0.06% | $41,053,000 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 4.1% | 1,457,574 | +14% | 0.01% | $36,191,562 |
| PRINCIPAL FINANCIAL GROUP INC | 3.6% | 1,279,714 | 0.02% | $31,775,298 | |
| FRED ALGER MANAGEMENT, LLC | 3% | 1,068,555 | -7.1% | 0.1% | $26,532,220 |
| ALLIANCEBERNSTEIN L.P. | 2.5% | 893,428 | -9.6% | 0.01% | $22,183,817 |
| TRUIST FINANCIAL CORP | 2.3% | 803,926 | -0.23% | 0.03% | $19,961,483 |
| ROYCE & ASSOCIATES LP | 2.2% | 787,535 | -10% | 0.2% | $19,554,494 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 774,877 | +1.3% | 0% | $19,243,608 |
| JANUS HENDERSON GROUP PLC | 2.2% | 763,892 | -4% | 0.01% | $18,967,220 |
| STATE STREET CORP | 2.1% | 725,742 | -0.04% | 0% | $18,020,174 |
| Stephens Investment Management Group LLC | 2% | 704,702 | +6.6% | 0.23% | $17,497,751 |
| DIMENSIONAL FUND ADVISORS LP | 2% | 698,089 | +15% | 0% | $17,335,979 |
| Legal & General Group Plc | 1.8% | 638,630 | +3.7% | 0% | $15,857,184 |
| Summit Creek Advisors LLC | 1.8% | 628,786 | +11% | 2.5% | $15,612,756 |
| ALGERT GLOBAL LLC | 1.6% | 566,855 | +216% | 0.22% | $14,075,000 |
| MORGAN STANLEY | 1.6% | 559,917 | +16% | 0% | $13,902,757 |
| Nuveen, LLC | 1.5% | 516,952 | -15% | 0% | $12,835,918 |
| FMR LLC | 1.3% | 452,856 | +3.5% | 0% | $11,244,414 |
| Avalon Trust Co | 1.2% | 427,549 | +157% | 0.69% | $10,616,042 |
| Allspring Global Investments Holdings, LLC | 1.2% | 408,364 | 0.02% | $10,139,678 | |
| BANK OF AMERICA CORP /DE/ | 1.1% | 402,596 | -57% | 0% | $9,996,459 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 32,335,640 | $802,958,597 | -$39,724,666 | $24.83 | 181 |
| 2025 Q3 | 32,482,374 | $891,955,275 | -$42,853,013 | $27.46 | 183 |
| 2025 Q2 | 34,086,605 | $745,973,525 | +$2,298,254 | $21.89 | 156 |
| 2025 Q1 | 34,260,470 | $488,645,404 | -$1,543,592 | $14.26 | 161 |
| 2024 Q4 | 33,684,566 | $624,152,195 | -$15,982,563 | $18.55 | 162 |
| 2024 Q3 | 33,241,518 | $874,533,856 | -$64,374,860 | $26.30 | 177 |
| 2024 Q2 | 32,671,560 | $1,456,250,748 | +$271,850,943 | $44.56 | 170 |
| 2024 Q1 | 26,664,852 | $1,043,741,328 | +$14,905,585 | $39.17 | 164 |
| 2023 Q4 | 26,326,387 | $845,820,682 | -$7,103,734 | $32.13 | 156 |
| 2023 Q3 | 26,593,444 | $777,859,894 | -$20,210,613 | $29.26 | 150 |
| 2023 Q2 | 27,101,551 | $1,126,694,290 | -$21,677,142 | $42.12 | 140 |
| 2023 Q1 | 27,825,100 | $991,905,571 | -$747,187 | $35.67 | 126 |
| 2022 Q4 | 27,600,410 | $1,224,695,916 | +$15,663,282 | $44.39 | 130 |
| 2022 Q3 | 27,014,397 | $909,272,726 | +$10,775,907 | $33.65 | 123 |
| 2022 Q2 | 26,664,744 | $900,190,138 | +$11,428,213 | $33.76 | 125 |
| 2022 Q1 | 26,215,670 | $1,387,348,574 | +$27,887,612 | $52.93 | 137 |
| 2021 Q4 | 25,495,607 | $1,797,652,113 | +$95,748,782 | $70.51 | 140 |
| 2021 Q3 | 24,348,237 | $1,503,149,151 | +$349,353,957 | $61.74 | 142 |
| 2021 Q2 | 18,735,655 | $1,004,921,606 | +$47,902,761 | $53.66 | 120 |
| 2021 Q1 | 17,732,408 | $889,566,728 | +$104,436,630 | $50.19 | 109 |
| 2020 Q4 | 15,956,764 | $494,079,206 | +$63,824,843 | $30.96 | 98 |
| 2020 Q3 | 14,954,968 | $356,262,393 | +$356,262,392 | $23.82 | 70 |