OnterrisONT
13F holders, Q1 2025 (March 31)165holders +1
22new positions
21sold out
5famous investors
$14.26avg. 13F price*
At the end of Q1 2025, 165 institutions reported holding Onterris Inc. (ONT) in their 13F filings, up 1 from Q4 2024. 22 opened new positions and 21 sold out. The largest holders were BlackRock, Inc. ($39.8M), Baron Capital (BAMCO) ($38.4M) and UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($33.9M). 5 famous investors held it, including Ron Baron (0.1% of Baron Capital (BAMCO)'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Onterris Inc.
- Filed as
- MONTROSE ENVIRONMENTAL GROUP (Q1 2025)
- CUSIP
- 615111101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 22 | $4.3M |
| Exits | 21 | $34.6M |
All 13F filers, Q4 2024 → Q1 2025: 4,028,601 shares bought and 3,569,680 shares sold, net +458,921 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 165 holders
| BlackRock, Inc. | 0.00% | Reduce -0.9% | 2,793,365 | $39.8M |
| Baron Capital (BAMCO) | 0.11% | Add +17.6% | 2,695,682 | $38.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +4.3% | 2,378,212 | $33.9M |
| Macquarie Group Ltd. | 0.03% | Add +25.5% | 1,916,518 | $27.3M |
| William Blair Investment Management, LLC | 0.08% | Add +29.6% | 1,903,388 | $27.1M |
| Bank of America Corp. | 0.00% | Reduce -0.6% | 1,808,055 | $25.8M |
| Vanguard Group Inc. | 0.00% | Reduce -1.0% | 1,783,881 | $25.4M |
| Millennium Management | 0.02% | Add +4.4% | 1,504,541 | $21.5M |
| Fred Alger Management, LLC | 0.08% | Reduce -2.3% | 990,929 | $14.1M |
| Royce & Associates LP | 0.13% | Add +167.5% | 852,849 | $12.2M |
| Truist Financial Corp. | 0.02% | Reduce -0.2% | 817,349 | $11.7M |
| Legal & General Group Plc | 0.00% | Add +2536.8% | 800,694 | $11.4M |
| Granite Investment Partners, LLC | 0.56% | Reduce -8.9% | 771,048 | $11.0M |
| Geode Capital Management, LLC | 0.00% | Add +2.7% | 737,711 | $10.5M |
| Dimensional Fund Advisors LP | 0.00% | Add +5.9% | 717,344 | $10.2M |
| State Street Corp. | 0.00% | Reduce -2.1% | 698,252 | $10.0M |
| Janus Henderson Group PLC | 0.01% | Reduce -0.1% | 680,687 | $9.8M |
| Northern Trust Corp. | 0.00% | Add +3.1% | 601,696 | $8.6M |
| Summit Creek Advisors LLC | 1.22% | Add +1.2% | 584,514 | $8.3M |
| UBS Group AG | 0.00% | Reduce -6.9% | 516,616 | $7.4M |
| Nuveen, LLC | 0.00% | — | 482,923 | $6.9M |
| DekaBank Deutsche Girozentrale | 0.01% | Reduce -6.9% | 470,800 | $6.7M |
| Stephens Investment Management Group LLC | 0.09% | Reduce -3.9% | 454,273 | $6.5M |
| Cubist Systematic Strategies, LLC | 0.06% | Add +26.1% | 342,964 | $4.9M |
| Blair William & Co. | 0.01% | Reduce -48.3% | 334,221 | $4.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +39.5% | 326,969 | $4.7M |
| ArrowMark Colorado Holdings LLC | 0.07% | Reduce -5.6% | 322,100 | $4.6M |
| Morgan Stanley | 0.00% | Reduce -31.1% | 295,174 | $4.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.4% | 259,229 | $3.7M |
| Fisher Asset Management | 0.00% | Reduce -10.7% | 250,401 | $3.6M |
| Peregrine Capital Management LLC | 0.11% | Add +3.5% | 239,434 | $3.4M |
| Silvercrest Asset Management Group LLC | 0.02% | Reduce -0.6% | 220,648 | $3.1M |
| Wellington Management Group LLP | 0.00% | Reduce -36.6% | 209,666 | $3.0M |
| Avalon Trust Co | 0.22% | Reduce -7.2% | 194,797 | $2.8M |
| Segall Bryant & Hamill, LLC | 0.04% | Reduce -2.8% | 173,636 | $2.5M |
| Trexquant Investment LP | 0.03% | Add +53.6% | 171,374 | $2.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -64.6% | 170,592 | $2.4M |
| Russell Investments Group, Ltd. | 0.00% | Add +201.9% | 165,475 | $2.4M |
| Balyasny Asset Management L.P. | 0.01% | Add +18.2% | 161,819 | $2.3M |
| ExodusPoint Capital Management, LP | 0.03% | Add +275.2% | 153,757 | $2.2M |
| FMR LLC | 0.00% | Add +1087.1% | 151,802 | $2.2M |
| Invesco Ltd. | 0.00% | Reduce -3.1% | 134,484 | $1.9M |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -5.2% | 121,964 | $1.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Reduce -57.3% | 119,048 | $1.7M |
| Global Alpha Capital Management Ltd. | 0.12% | Add +50.9% | 111,506 | $1.6M |
| Marshall Wace, LLP | 0.00% | Add +163.0% | 111,217 | $1.6M |
| Essex Investment Management Co. LLC | 0.32% | Reduce -0.0% | 109,189 | $1.6M |
| Citadel Advisors | 0.00% | Reduce -18.7% | 103,093 | $1.5M |
| OP Asset Management Ltd | 0.02% | — | 102,310 | $1.5M |
| Van Eck Associates Corp. | 0.00% | Add +12.6% | 101,140 | $1.4M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -6.2% | 85,290 | $1.2M |
| Conestoga Capital Advisors, LLC | 0.02% | Add +33.6% | 70,225 | $1.0M |
| Cladis Investment Advisory, LLC | 0.70% | Add +25.1% | 67,750 | $966K |
| Rice Hall James & Associates, LLC | 0.06% | Reduce -0.5% | 65,954 | $941K |
| Candriam S.C.A. | 0.01% | Reduce -36.5% | 65,000 | $927K |
| Squarepoint Ops LLC | 0.00% | Reduce -61.9% | 64,962 | $926K |
| New York State Common Retirement Fund | 0.00% | No change | 64,009 | $913K |
| Lane Generational LLC | 1.00% | Add +27.2% | 61,779 | $881K |
| Sei Investments Co. | 0.00% | Add +1.3% | 60,012 | $856K |
| Swiss National Bank | 0.00% | Reduce -5.4% | 59,800 | $853K |
| Verition Fund Management LLC | 0.00% | New | 54,734 | $781K |
| Dynamic Technology Lab Private Ltd | 0.10% | New | 48,389 | $690K |
| Point72 Asset Management | 0.00% | Add +32.6% | 47,721 | $680K |
| Holcombe Financial, Inc. | 0.56% | Add +45.3% | 47,651 | $680K |
| Creative Planning | 0.00% | Add +1.1% | 47,590 | $679K |
| Caption Management, LLC | 0.03% | Add +37.5% | 47,430 | $676K |
| Atom Investors LP | 0.08% | Reduce -49.0% | 46,591 | $664K |
| Rhumbline Advisers | 0.00% | Add +4.3% | 45,101 | $643K |
| Janney Montgomery Scott LLC | 0.00% | Add +156.8% | 44,608 | $636K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 44,000 | $627K |
| Gallo Partners, LP | 0.40% | Reduce -33.9% | 42,378 | $604K |
| Barclays PLC | 0.00% | Reduce -28.4% | 40,984 | $584K |
| Susquehanna International Group, LLP | 0.00% | Add +33.6% | 40,626 | $579K |
| Graham Capital Management, L.P. | 0.03% | Add +8.4% | 40,474 | $577K |
| Alliancebernstein L.P. | 0.00% | No change | 36,570 | $521K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -18.4% | 36,468 | $520K |
| Stifel Financial Corp. | 0.00% | Reduce -7.1% | 33,468 | $477K |
| Legato Capital Management LLC | 0.06% | Reduce -1.2% | 32,248 | $460K |
| Caprock Group, LLC | 0.01% | No change | 32,000 | $456K |
| California State Teachers Retirement System | 0.00% | No change | 30,332 | $433K |
| JPMorgan Chase & Co. | 0.00% | Add +8.3% | 29,863 | $426K |
| Deutsche Bank AG | 0.00% | Reduce -9.0% | 28,976 | $413K |
| Versor Investments LP | 0.07% | New | 28,500 | $406K |
| Horrell Capital Management, Inc. | 0.16% | Add +0.7% | 26,830 | $383K |
| Citigroup Inc. | 0.00% | Reduce -9.9% | 24,895 | $355K |
| Federated Hermes, Inc. | 0.00% | Add +55.0% | 24,800 | $354K |
| Intech Investment Management LLC | 0.00% | Add +58.3% | 24,430 | $348K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +41.5% | 22,145 | $316K |
| T. Rowe Price Associates Inc. | 0.00% | Add +9.7% | 20,978 | $300K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.9% | 20,673 | $295K |
| Managed Asset Portfolios, LLC | 0.04% | Add +36.9% | 19,953 | $285K |
| Jump Financial, LLC | 0.00% | New | 19,741 | $282K |
| Simplex Trading, LLC | 0.01% | Add +445.2% | 19,703 | $280K |
| OneDigital Investment Advisors LLC | 0.00% | No change | 19,188 | $274K |
| Oppenheimer Asset Management Inc. | 0.00% | Add +23.3% | 19,023 | $271K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.3% | 18,876 | $269K |
| Dark Forest Capital Management LP | 0.01% | New | 18,758 | $267K |
| Natixis Advisors, LLC | 0.00% | New | 17,846 | $254K |
| Procyon Advisors, LLC | 0.02% | Reduce -17.5% | 17,697 | $252K |
| Comerica Bank | 0.00% | Add +0.8% | 17,405 | $248K |
"% of holder's portfolio" is ONT's weight in each manager's 13F, not the share of Onterris Inc. the manager owns.