Who Owns Montrose Environmental Group I (ONT)? -- Institutional Holders (2026-06-30)
191 institutions reported holding $777.0M of Montrose Environmental Group I (ONT) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($66.2M), BAMCO INC /NY/ ($43.2M), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. ($42.4M), VANGUARD GROUP INC ($40.4M), GOLDMAN SACHS GROUP INC ($39.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $66.2M | 3.3M | Added |
| 2 | BAMCO INC /NY/ | $43.2M | 2.1M | Trimmed |
| 3 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $42.4M | 2.1M | Added |
| 4 | VANGUARD GROUP INC | $40.4M | 2.0M | Added |
| 5 | GOLDMAN SACHS GROUP INC | $39.0M | 1.9M | Trimmed |
| 6 | Corvex Management LP | $35.8M | 1.8M | New |
| 7 | ALLIANCEBERNSTEIN L.P. | $32.6M | 1.5M | Added |
| 8 | FMR LLC | $29.2M | 1.4M | Added |
| 9 | UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | $25.3M | 1.3M | Trimmed |
| 10 | NOMURA HOLDINGS INC | $25.2M | 1.2M | New |
| 11 | PRINCIPAL FINANCIAL GROUP INC | $25.1M | 1.2M | Trimmed |
| 12 | ROYCE & ASSOCIATES LP | $22.1M | 1.1M | Added |
| 13 | DIMENSIONAL FUND ADVISORS LP | $20.3M | 1.0M | Added |
| 14 | Amundi | $18.8M | 928,651 | Added |
| 15 | UBS Group AG | $18.7M | 927,315 | Added |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | $17.6M | 869,267 | Added |
| 17 | Legal & General Group Plc | $16.5M | 817,998 | Added |
| 18 | STATE STREET CORP | $16.1M | 798,858 | Added |
| 19 | TRUIST FINANCIAL CORP | $16.0M | 792,718 | Trimmed |
| 20 | Stephens Investment Management Group LLC | $14.9M | 736,768 | Added |
| 21 | MORGAN STANLEY | $12.5M | 618,246 | Added |
| 22 | DekaBank Deutsche Girozentrale | $10.8M | 505,697 | Hold |
| 23 | MILLENNIUM MANAGEMENT LLC | $8.9M | 441,155 | Added |
| 24 | NORTHERN TRUST CORP | $8.1M | 401,858 | Added |
| 25 | Allspring Global Investments Holdings, LLC | $7.7M | 383,435 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30