MONTROSE ENVIRON (ONT): Institutional Ownership
Hedge funds and institutional managers reporting a position in ONT. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
14
13F filers
Aggregate Value
$24.9M
Across holders
Last Price
$20.04
2026-06-26
Sector
GICS
Holder activity8 new3 added2 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 353K | $7.7M | 31.0% | 0.0% | Unchanged | +$0 | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 223K | $4.9M | 19.6% | 0.0% | Added | +$3.9M | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 169K | $3.7M | 14.8% | 0.0% | Reduced | $-613 | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 109K | $2.7M | 10.9% | 0.0% | New | — | Q4 2025 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 70K | $1.5M | 6.1% | 0.0% | Added | +$984K | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 54K | $1.2M | 4.7% | 0.0% | New | — | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 35K | $762K | 3.1% | 0.0% | New | — | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 26K | $633K | 2.5% | 0.0% | New | — | Q4 2025 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 23K | $493K | 2.0% | 0.0% | Reduced | $-114K | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 15K | $401K | 1.6% | 0.0% | New | — | Q3 2024 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 12K | $341K | 1.4% | 0.0% | New | — | Q3 2025 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 10K | $283K | 1.1% | 0.0% | New | — | Q3 2025 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 10K | $268K | 1.1% | 0.0% | New | — | Q3 2025 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 2K | $41K | 0.2% | 0.0% | Added | +$40K | Q1 2026 |
Unchanged
Institutional Manager
$7.7M· 31.0% of total· 0.0% port· 353K sh· +$0 QoQ· Q1 2026
Added
Hedge Fund
$4.9M· 19.6% of total· 0.0% port· 223K sh· +$3.9M QoQ· Q1 2026
Reduced
Hedge Fund
$3.7M· 14.8% of total· 0.0% port· 169K sh· $-613 QoQ· Q1 2026
New
Hedge Fund
$2.7M· 10.9% of total· 0.0% port· 109K sh· — QoQ· Q4 2025
Added
Hedge Fund
$1.5M· 6.1% of total· 0.0% port· 70K sh· +$984K QoQ· Q1 2026
New
Hedge Fund
$1.2M· 4.7% of total· 0.0% port· 54K sh· — QoQ· Q1 2026
New
Hedge Fund
$762K· 3.1% of total· 0.0% port· 35K sh· — QoQ· Q1 2026
New
Hedge Fund
$633K· 2.5% of total· 0.0% port· 26K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$493K· 2.0% of total· 0.0% port· 23K sh· $-114K QoQ· Q1 2026
New
Hedge Fund
$401K· 1.6% of total· 0.0% port· 15K sh· — QoQ· Q3 2024
New
Hedge Fund
$341K· 1.4% of total· 0.0% port· 12K sh· — QoQ· Q3 2025
New
Hedge Fund
$283K· 1.1% of total· 0.0% port· 10K sh· — QoQ· Q3 2025
New
Hedge Fund
$268K· 1.1% of total· 0.0% port· 10K sh· — QoQ· Q3 2025
Added
Hedge Fund
$41K· 0.2% of total· 0.0% port· 2K sh· +$40K QoQ· Q1 2026