Who owns Quanum?
Quanum is owned by Quest Diagnostics (the United States, NYSE: DGX).[1]
Evidence: Quest Diagnostics Incorporated Annual Report on Form 10-K filed 2026-02-26, SEC EDGAR, 26 February 2026. Verified from filings; last checked .
Key facts
- Current owner
- Quest Diagnostics Incorporated verified
- Owner HQ
- 🇺🇸 United States, Secaucus, New Jersey
- Origin
- 🇺🇸 United States
- Category
- Technology › Software › Enterprise software
- Parent ticker
- NYSE: DGX
- Last verified
- · 1 sources
About Quanum
Quanum is a registered Quest Diagnostics brand for its healthcare information technology business. The 10-K describes Quanum Enterprise Content Solutions as software that connects data to decision-making so hospital clinicians can run clinical and operational strategies, used by healthcare organizations at approximately 1,400 sites in North America.
Ownership timeline of Quanum
- Current owner Quest Diagnostics [1] verified
Where Quanum sits in Quest Diagnostics
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Quest Diagnostics ownership tree →
See the full Quest Diagnostics brand portfolio (6) →
Other brands owned by Quest Diagnostics
Quest Diagnostics controls 6 brands on Brandtree.
Other brands in enterprise software, and who owns them
The 10 brands in enterprise software on Brandtree belong to 6 owners. The largest is Nasdaq, with 3.
| Brand | Owner | Owner based in |
|---|---|---|
| Encompass | ICE | 🇺🇸 United States |
| AxiomSL | Nasdaq | 🇺🇸 United States |
| Cornerstone | IDEXX | 🇺🇸 United States |
| Recorded Future | Mastercard | 🇺🇸 United States |
| Featurespace | Visa | 🇺🇸 United States |
| ICE Mortgage Technology | ICE | 🇺🇸 United States |
| MERS | ICE | 🇺🇸 United States |
| Calypso | Nasdaq | 🇺🇸 United States |
About the owner: Quest Diagnostics
Quest Diagnostics is a publicly listed company headquartered in Secaucus, New Jersey, United States. Brandtree records 6 brands under its control, and it is listed as NYSE: DGX.
Quest Diagnostics is a United States provider of diagnostic information services, running clinical laboratories and patient service centres and testing for physicians, hospitals, employers and insurers. Its 10-K says its services are mostly delivered under the Quest Diagnostics name, with AmeriPath, Dermpath Diagnostics, ExamOne and Quanum as other brands, and in 2024 it extended into Canada by buying LifeLabs.
Quest Diagnostics: full profile, brands and acquisition history →
🇺🇸 Quanum and other American brands
Brandtree records a controlling owner for 2,399 brands that began in the United States. 461 of them (19%) are now controlled by a company headquartered in another country; Quanum is not one of them.
- AxiomSL — Nasdaq 🇺🇸
- Cornerstone — IDEXX 🇺🇸
- Duolingo — Duolingo 🇺🇸
- Encompass — ICE 🇺🇸
- Engine by Gen — Gen Digital 🇺🇸
- GameChanger — DICK'S Sporting Goods 🇺🇸
Frequently asked questions
Who is the parent company of Quanum?
The parent company of Quanum is Quest Diagnostics, a publicly listed company headquartered in the United States.
Is Quanum American?
Yes. Quanum originated in the United States and its owner, Quest Diagnostics, is also headquartered in the United States.
Is Quanum still owned by Quest Diagnostics?
Yes. As of 14 October 2026, Quanum is still owned by Quest Diagnostics. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Quest Diagnostics Incorporated Annual Report on Form 10-K filed 2026-02-26 — SEC EDGAR, SEC Form 10-K, published 26 February 2026; retrieved 14 October 2026.
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