How many subsidiaries does Onterris, Inc. file with the SEC?

22, listed in its most recent exhibit 21. They are incorporated across 14 jurisdictions, led by Massachusetts, Delaware, Pennsylvania. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.

Is Onterris, Inc. financially healthy?

Onterris, Inc. scores 4 out of 8 on the Piotroski F-score. Only 8 of the nine tests could be computed from what it filed; the rest need a prior year it has not reported. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.

Who are the largest institutional holders of Onterris, Inc.?

Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are BlackRock, Inc. (adding), FMR LLC (adding), GEODE CAPITAL MANAGEMENT, LLC (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

Onterris, Inc. (ONT)

NYSE · Common Stock · Services-Management Consulting Services

One email a week from me: what it filed, which 13F holders added or cut, where its scores stand. Free.

Corporate structure

22 entities across 14 jurisdictions. Read directly from the company’s own 10-K EX-21 filed 2026-02-26 — see the exhibit.

Which other public companies file entities in the same places:

Delaware8 Texas2 Massachusetts1 Pennsylvania1 Australia1 Florida1 Sweden1 Germany1 Belgium1 New Jersey1 California1 New York1

Subsidiaries of Onterris, Inc. as disclosed in its SEC filing
Entity	Jurisdiction	Note
Emerging Compounds Treatment Technologies, Inc.	Massachusetts
Enthalpy Analytical, LLC	Delaware
Environmental Standards, Inc.	Pennsylvania
Epic Environmental Pty Ltd	Australia
FRS Environmental Remediation, Inc.	Florida
Montrose Air Quality Services, LLC	Delaware
Montrose Environmental Group AB	Sweden
Montrose Environmental Group GmbH	Germany
Montrose Environmental Group BV	Belgium
Montrose Environmental Solutions, Inc.	Delaware
Montrose Foreign Holdings, Inc.	Delaware
Montrose Government Solutions, Inc.	Delaware
Montrose Measurements and Analytics, LLC	Delaware
Montrose Services, LLC	Delaware
Montrose Water and Sustainability Services, Inc.	Delaware
MSE Group, LLC	Texas
PARS Environmental, Inc.	New Jersey
SensibleIOT, LLC	California
Spirit Environmental, LLC	Texas
Sustainable Treatment Solutions, Inc.	New York
The Center for Toxicology and Environmental Health, L.L.C.	Arkansas
Two Dot Consulting, LLC	Colorado

Financial health

Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.

Piotroski F-score

4 / 8

FAILReturn on assets positiveROA -0.1%
PASSOperating cash flow positiveOCF 107M
PASSReturn on assets improving-6.3% → -0.1%
PASSCash flow exceeds earningsOCF 107M vs NI -843000.0
FAILLong-term debt ratio falling20.7% → 28.2% of assets
FAILCurrent ratio improving1.50 → 1.43
FAILNo share dilution33M → 35M shares
FAILGross margin improvingno gross profit reported
PASSAsset turnover improving0.70× → 0.85×

Six-year record

Year	Revenue	Net income	Free cash flow	Gross margin	Shares
FY2020	$328.2M	−$57.9M	−$5.4M	—	16,479,000
FY2021	$546.4M	−$25.3M	$30.7M	—	26,724,000
FY2022	$544.4M	−$31.8M	$10.6M	—	29,688,000
FY2023	$624.2M	−$30.9M	$26.4M	—	30,058,000
FY2024	$696.4M	−$62.3M	$902,000	—	33,061,000
FY2025	$830.5M	−$843,000	$91.2M	—	35,120,000

Ownership flow

10 institutions tracked — 7 added, 3 reduced.

Institutional holders of Onterris, Inc. and their share-count change
Manager	Kind	Shares	Change	Value
FMR LLC	Active fund	1,443,390	+875,017	$29.2M
BlackRock, Inc.	Index	3,274,887	+124,127	$66.2M
MORGAN STANLEY	Active fund	618,246	+109,437	$12.5M
BANK OF AMERICA CORP /DE/	Active fund	276,662	−95,975	$5.6M
AQR CAPITAL MANAGEMENT LLC	Hedge fund	29,642	−81,432	$599,065
STATE STREET CORP	Index	798,858	+70,408	$16.1M
GEODE CAPITAL MANAGEMENT, LLC	Index	869,267	+65,535	$17.6M
CITADEL ADVISORS LLC	Hedge fund	214,785	−54,002	$4.3M
PRICE T ROWE ASSOCIATES INC /MD/	Active fund	35,047	+4,320	$709,000
JPMORGAN CHASE & CO	Active fund	16,875	+145	$344,419

From 13F filings, which cover institutions managing over $100m and are filed up to 45 days after the quarter ends — so this is a considered position, not a live one, and it is not the whole shareholder register.

Capital returned

What the company actually paid out and bought back, as reported — the record behind any yield figure.

Shares repurchased

2026Q1: $10.0M

Identity

CIK: 0001643615
LEI: 254900ASI8K3LUB8Q958
FIGI: BBG005Q29TZ4
SIC: 8742 · Services-Management Consulting Services
Incorporated: DE
Headquarters: IRVINE, CA

Ownership

Institutional: 112.9%
Institutions: 243
Insiders: 8.2%

Ownership percentages are a vendor aggregate, not a filing — unlike everything else on this page.

Other services-management consulting services companies

Onterris, Inc. files under SIC 8742 — all 12 services-management consulting services companies compared on assets and F-score.

Booz Allen Hamilton Holding CorpBAH Genpact LTDG FTI CONSULTING, INCFCN Astrana Health, Inc.ASTH ICF International, Inc.ICFI Huron Consulting Group Inc.HURN

Dealer positioning — end of day

Where dealer gamma sat in ONT’s option chain after the close on 2026-09-01, aggregated from the full chain. This is a once-a-day snapshot, not a live read — 45 contracts.

Net gamma (per 1% move): $69,559.302
Gamma flip: 15
Call wall: 25
Put wall: 10
Spot at capture: 16.72

Computed from the listed option chain by my own aggregation, once, after the close — it describes where positioning sat that evening and does not update through the next session. The version that rebuilds per strike while the market is open is the intraday gamma product. Not investment advice.

Questions about Onterris, Inc.

How many subsidiaries does Onterris, Inc. file with the SEC?: 22, listed in its most recent exhibit 21. They are incorporated across 14 jurisdictions, led by Massachusetts, Delaware, Pennsylvania. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.
Is Onterris, Inc. financially healthy?: Onterris, Inc. scores 4 out of 8 on the Piotroski F-score. Only 8 of the nine tests could be computed from what it filed; the rest need a prior year it has not reported. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.
Who are the largest institutional holders of Onterris, Inc.?: Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are BlackRock, Inc. (adding), FMR LLC (adding), GEODE CAPITAL MANAGEMENT, LLC (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

This page is one panel of the terminal

The structure map above is the Corporate Blueprint, and in the desktop it is interactive — click any entity to re-centre the map on it and walk the ownership chain. It sits alongside the screener, the scorecard and the filings lab on one desk, on your machine.

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Sourced from SEC EDGAR primary filings. Figures are as reported by the company and are not investment advice. Scores are standard published screens computed from those filings; every input is shown above so you can check the arithmetic.