Technology answer

Magnite

73

companies run it, <0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 110 live hosts run it, of 191,809,695 hosts in the index, <0.01%. A host is a website, not a company.

Companies by month

No published series

73 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 28 of them. A monthly line drawn off that many observations would be noise at the same weight as a line off millions, so this page states the count and its date and publishes no series.

First discovered 8 Mar 2025, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 73each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in Advertising

15,368,013

<0.01%

companies running anything in Supply-side platforms

190,255

0.04%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Magnite is rank 12 of 24 technologies in Supply-side platforms.

Open as a segment

73 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-magnite

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

A sell‑side advertising platform for publishers to manage and monetize ad inventory.

Magnite is an SSP that helps publishers sell their inventory across formats and channels and optimize yield. Media companies and app publishers use it to connect to demand and run programmatic advertising.

Kindproduct

VendorMagnite, magnite.com

PathMarketing and Advertising > Advertising > Supply-side platforms

Slugmagnite

Deploymentsaas

Pricingquote based, enterprise

Open sourceno

First discovered2025-03-08

Last discovered2026-09-10

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerSupply-side platformsCompanies running anything in Supply-side platforms, 190,255 of 54,527,857 in the index, and the technologies ranked in it.Category answerAdvertisingThe category above this one, with its subcategories and the companies in each.CatalogueAll 8,177 technologiesRanked by the companies running them, with the publication gate named and the long tail drawn.