OnterrisONT
13F holders, Q2 2025 (June 30)162holders −3
25new positions
31sold out
6famous investors
$21.88avg. 13F price*
At the end of Q2 2025, 162 institutions reported holding Onterris Inc. (ONT) in their 13F filings, down 3 from Q1 2025. 25 opened new positions and 31 sold out. The largest holders were BlackRock, Inc. ($62.8M), Baron Capital (BAMCO) ($60.5M) and William Blair Investment Management, LLC ($50.7M). 6 famous investors held it, including Ron Baron (0.2% of Baron Capital (BAMCO)'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Onterris Inc.
- Filed as
- MONTROSE ENVIRONMENTAL GROUP (Q2 2025)
- CUSIP
- 615111101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 25 | $10.4M |
| Exits | 31 | $11.6M |
All 13F filers, Q1 2025 → Q2 2025: 4,710,434 shares bought and 4,927,338 shares sold, net −216,904 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 162 holders
| BlackRock, Inc. | 0.00% | Add +2.7% | 2,869,219 | $62.8M |
| Baron Capital (BAMCO) | 0.16% | Add +2.5% | 2,764,395 | $60.5M |
| William Blair Investment Management, LLC | 0.13% | Add +21.8% | 2,317,660 | $50.7M |
| Macquarie Group Ltd. | 0.05% | Add +2.6% | 1,966,356 | $43.0M |
| Vanguard Group Inc. | 0.00% | Add +5.4% | 1,879,531 | $41.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -26.1% | 1,757,811 | $38.5M |
| Alliancebernstein L.P. | 0.01% | Add +3407.7% | 1,282,769 | $28.1M |
| Fred Alger Management, LLC | 0.11% | Add +16.2% | 1,151,191 | $25.2M |
| Bank of America Corp. | 0.00% | Reduce -37.9% | 1,123,744 | $24.6M |
| Royce & Associates LP | 0.23% | Add +21.3% | 1,034,349 | $22.6M |
| Legal & General Group Plc | 0.00% | Add +12.9% | 904,154 | $19.8M |
| Janus Henderson Group PLC | 0.01% | Add +19.6% | 813,748 | $17.8M |
| Truist Financial Corp. | 0.03% | Reduce -1.1% | 807,927 | $17.7M |
| Millennium Management | 0.02% | Reduce -47.2% | 793,747 | $17.4M |
| Geode Capital Management, LLC | 0.00% | Add +3.7% | 765,027 | $16.7M |
| State Street Corp. | 0.00% | Add +2.7% | 716,908 | $15.7M |
| Nuveen, LLC | 0.00% | Add +45.3% | 701,676 | $15.4M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -4.3% | 686,124 | $15.0M |
| Stephens Investment Management Group LLC | 0.19% | Add +44.6% | 656,814 | $14.4M |
| Summit Creek Advisors LLC | 1.91% | Add +7.2% | 626,560 | $13.7M |
| UBS Group AG | 0.00% | Reduce -1.6% | 508,391 | $11.1M |
| DekaBank Deutsche Girozentrale | 0.02% | Add +7.4% | 505,697 | $10.9M |
| Marshall Wace, LLP | 0.01% | Add +245.0% | 383,661 | $8.4M |
| Blair William & Co. | 0.02% | Add +4.8% | 350,131 | $7.7M |
| Northern Trust Corp. | 0.00% | Reduce -42.5% | 346,262 | $7.6M |
| Silvercrest Asset Management Group LLC | 0.04% | Add +37.4% | 303,146 | $6.6M |
| FMR LLC | 0.00% | Add +97.0% | 299,088 | $6.5M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -12.1% | 287,494 | $6.3M |
| ArrowMark Colorado Holdings LLC | 0.11% | Reduce -14.1% | 276,644 | $6.1M |
| Wellington Management Group LLP | 0.00% | Add +29.4% | 271,341 | $5.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.8% | 266,378 | $5.8M |
| Peregrine Capital Management LLC | 0.16% | Add +1.7% | 243,506 | $5.3M |
| Morgan Stanley | 0.00% | Reduce -20.6% | 234,524 | $5.1M |
| Fisher Asset Management | 0.00% | Reduce -12.7% | 218,541 | $4.8M |
| Russell Investments Group, Ltd. | 0.01% | Add +21.6% | 201,171 | $4.4M |
| Citadel Advisors | 0.00% | Add +74.8% | 180,191 | $3.9M |
| Avalon Trust Co | 0.26% | Reduce -15.6% | 164,402 | $3.6M |
| Global Alpha Capital Management Ltd. | 0.22% | Add +46.2% | 162,982 | $3.6M |
| Invesco Ltd. | 0.00% | Add +13.1% | 152,085 | $3.3M |
| Trexquant Investment LP | 0.04% | Reduce -11.4% | 151,823 | $3.3M |
| Rockefeller Capital Management L.P. | 0.01% | Add +4.6% | 127,589 | $2.8M |
| Royal Bank of Canada | 0.00% | Add +4802.3% | 118,832 | $2.6M |
| Essex Investment Management Co. LLC | 0.43% | Reduce -0.7% | 108,414 | $2.4M |
| Cubist Systematic Strategies, LLC | 0.02% | Reduce -69.8% | 103,503 | $2.3M |
| Citigroup Inc. | 0.00% | Add +305.0% | 100,834 | $2.2M |
| AQR Capital Management | 0.00% | New | 100,567 | $2.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -41.3% | 100,129 | $2.2M |
| Balyasny Asset Management L.P. | 0.00% | Reduce -39.6% | 97,735 | $2.1M |
| Conestoga Capital Advisors, LLC | 0.03% | Add +25.4% | 88,075 | $1.9M |
| Granite Investment Partners, LLC | 0.09% | Reduce -89.3% | 82,736 | $1.8M |
| Van Eck Associates Corp. | 0.00% | Reduce -27.2% | 73,669 | $1.6M |
| Cladis Investment Advisory, LLC | 0.98% | Add +5.2% | 71,250 | $1.6M |
| Wells Fargo & Company | 0.00% | Add +292.7% | 66,622 | $1.5M |
| Sei Investments Co. | 0.00% | Add +10.8% | 66,523 | $1.5M |
| Barclays PLC | 0.00% | Add +49.5% | 61,267 | $1.3M |
| Swiss National Bank | 0.00% | No change | 59,800 | $1.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Reduce -51.0% | 58,374 | $1.3M |
| Rhumbline Advisers | 0.00% | Add +27.9% | 57,667 | $1.3M |
| OP Asset Management Ltd | 0.02% | Reduce -43.9% | 57,441 | $1.3M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -34.8% | 55,640 | $1.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +45.1% | 52,923 | $1.2M |
| Verition Fund Management LLC | 0.01% | Reduce -4.8% | 52,084 | $1.1M |
| Creative Planning | 0.00% | Add +4.0% | 49,481 | $1.1M |
| Jane Street Group, LLC | 0.00% | New | 48,625 | $1.1M |
| Holcombe Financial, Inc. | 0.79% | No change | 47,651 | $1.0M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +5.6% | 46,452 | $1.0M |
| Algert Global LLC | 0.02% | New | 39,660 | $868K |
| Susquehanna International Group, LLP | 0.00% | Reduce -3.9% | 39,060 | $855K |
| Point72 Asset Management | 0.00% | Reduce -20.7% | 37,859 | $829K |
| MASTERINVEST Kapitalanlage GmbH | 0.07% | — | 32,200 | $705K |
| Legato Capital Management LLC | 0.08% | Reduce -0.2% | 32,173 | $704K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.06% | New | 31,544 | $690K |
| Squarepoint Ops LLC | 0.00% | Reduce -52.6% | 30,794 | $674K |
| Stifel Financial Corp. | 0.00% | Reduce -10.2% | 30,047 | $658K |
| California State Teachers Retirement System | 0.00% | Reduce -7.6% | 28,028 | $614K |
| Horrell Capital Management, Inc. | 0.24% | Add +2.2% | 27,427 | $600K |
| Caxton Associates LLP | 0.02% | New | 27,268 | $597K |
| Synovus Financial Corp. | 0.01% | Add +122.6% | 27,233 | $596K |
| XTX Topco Ltd | 0.02% | New | 26,808 | $587K |
| Natixis Advisors, LLC | 0.00% | Add +44.8% | 25,842 | $566K |
| Gsa Capital Partners LLP | 0.04% | New | 25,607 | $561K |
| Ameriprise Financial Inc. | 0.00% | New | 25,232 | $552K |
| T. Rowe Price Associates Inc. | 0.00% | Add +10.2% | 23,121 | $507K |
| Franklin Resources Inc. | 0.00% | New | 22,939 | $502K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +2.3% | 22,660 | $497K |
| Managed Asset Portfolios, LLC | 0.06% | Add +7.3% | 21,413 | $469K |
| MetLife Investment Management, LLC | 0.00% | No change | 20,673 | $453K |
| Deutsche Bank AG | 0.00% | Reduce -31.6% | 19,808 | $434K |
| OneDigital Investment Advisors LLC | 0.00% | No change | 19,188 | $420K |
| Comerica Bank | 0.00% | Add +8.9% | 18,959 | $415K |
| ExodusPoint Capital Management, LP | 0.01% | Reduce -87.8% | 18,721 | $410K |
| JPMorgan Chase & Co. | 0.00% | Reduce -37.9% | 18,555 | $406K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -5.8% | 17,782 | $389K |
| Mariner, LLC | 0.00% | New | 17,600 | $385K |
| Nebula Research & Development LLC | 0.03% | Add +25.3% | 17,449 | $382K |
| Ieq Capital, LLC | 0.00% | New | 16,829 | $368K |
| Intech Investment Management LLC | 0.00% | Reduce -34.5% | 15,992 | $350K |
| State of Wisconsin Investment Board | 0.00% | New | 15,976 | $350K |
| Oppenheimer Asset Management Inc. | 0.00% | Reduce -16.2% | 15,939 | $349K |
| Henshaw Capital LLC | 0.01% | Add +44.0% | 14,936 | $327K |
"% of holder's portfolio" is ONT's weight in each manager's 13F, not the share of Onterris Inc. the manager owns.