# Companies that use Magnite

As of October 2026, 9,473 companies show public evidence of using Magnite (Sell-side ad platform (Rubicon)), according to runsonwhat.

- Tool: [Magnite](https://magnite.com), category [Ads & Pixels](https://www.runsonwhat.com/tools/ad-platforms)
- Companies using it now: 9,473
- Stopped using it (seen on a same-method rescan): 2
- Started in the last 30 days: 6

## Who uses Magnite

Segments where Magnite customers are more common than among all companies we track:

- Newspapers: 80× more likely (645 customers)
- Broadcast Media: 40× more likely (423 customers)
- Online Media: 22× more likely (431 customers)
- Media Production: 19× more likely (225 customers)
- Publishing: 15× more likely (286 customers)

## Magnite customers by industry

| Industry | Share of customers |
|---|---|
| Newspapers | 16% |
| Online Media | 11% |
| Broadcast Media | 10% |
| Internet | 9.4% |
| Publishing | 7.1% |
| Media Production | 5.6% |
| Sports | 4.8% |
| Software | 4.8% |

## Magnite customers by company size

| Company size | Share of customers |
|---|---|
| 1–10 employees | 13% |
| 11–50 employees | 32% |
| 51–200 employees | 34% |
| 201–1,000 employees | 16% |
| 1,001–5,000 employees | 3.7% |
| 5,001–10,000 employees | 0.77% |
| 10,000+ employees | 0.92% |

## Magnite customers by country

| Country | Share of customers |
|---|---|
| United States | 45% |
| United Kingdom | 6.2% |
| India | 5.1% |
| Germany | 5.1% |
| Japan | 4.3% |
| Canada | 4.2% |
| Brazil | 3.8% |
| Spain | 3.3% |

## Alternatives to Magnite

| Tool | Companies |
|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | 436,544 |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | 370,455 |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | 112,798 |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | 106,899 |
| [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | 43,507 |
| [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | 36,913 |
| [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | 30,043 |
| [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | 28,698 |
| [X Ads](https://www.runsonwhat.com/reverse/x-ads) | 22,575 |
| [Google AdSense](https://www.runsonwhat.com/reverse/google-adsense) | 19,470 |

## Magnite customers also use

- [Index Exchange](https://www.runsonwhat.com/reverse/index-exchange): 41% of Magnite customers, 133× the average company
- [Sharethrough](https://www.runsonwhat.com/reverse/sharethrough): 36% of Magnite customers, 133× the average company
- [TripleLift](https://www.runsonwhat.com/reverse/triplelift): 55% of Magnite customers, 130× the average company
- [Sovrn](https://www.runsonwhat.com/reverse/sovrn): 38% of Magnite customers, 126× the average company
- [OpenX](https://www.runsonwhat.com/reverse/openx): 76% of Magnite customers, 119× the average company
- [PubMatic](https://www.runsonwhat.com/reverse/pubmatic): 75% of Magnite customers, 116× the average company
- [Amazon Publisher Services](https://www.runsonwhat.com/reverse/amazon-publisher-services): 60% of Magnite customers, 112× the average company
- [Media.net](https://www.runsonwhat.com/reverse/media-net): 58% of Magnite customers, 109× the average company
- [33Across](https://www.runsonwhat.com/reverse/33across): 47% of Magnite customers, 103× the average company
- [Teads](https://www.runsonwhat.com/reverse/teads): 42% of Magnite customers, 103× the average company

## Companies that use Magnite (first 40 of 9,473)

| Company | Domain | Industry | Country |
|---|---|---|---|
| [Yahoo](https://www.runsonwhat.com/company/yahoo.com) | yahoo.com | Internet | United States |
| [Tumblr](https://www.runsonwhat.com/company/tumblr.com) | tumblr.com |  |  |
| [The New York Times](https://www.runsonwhat.com/company/nytimes.com) | nytimes.com | Newspapers | United States |
| [SoundCloud Global Limited & Co.](https://www.runsonwhat.com/company/soundcloud.com) | soundcloud.com | Music | Germany |
| [CNN](https://www.runsonwhat.com/company/cnn.com) | cnn.com | Broadcast Media | United States |
| [Theguardian](https://www.runsonwhat.com/company/theguardian.com) | theguardian.com |  |  |
| [BBC](https://www.runsonwhat.com/company/bbc.co.uk) | bbc.co.uk | Tv | United Kingdom |
| [IMDb](https://www.runsonwhat.com/company/imdb.com) | imdb.com |  | United Kingdom |
| [Reuters](https://www.runsonwhat.com/company/reuters.com) | reuters.com | Telecommunications | Canada |
| [TinyURL](https://www.runsonwhat.com/company/tinyurl.com) | tinyurl.com |  |  |
| [HP® Official Site](https://www.runsonwhat.com/company/hp.com) | hp.com | Computer Hardware | United States |
| [The Weather Channel](https://www.runsonwhat.com/company/weather.com) | weather.com |  |  |
| [EA Romania](https://www.runsonwhat.com/company/ea.com) | ea.com | Video Games | United States |
| [NVIDIA - World Leader in Artificial Intelligence Computing](https://www.runsonwhat.com/company/nvidia.com) | nvidia.com | Semiconductor | United States |
| [ESPN](https://www.runsonwhat.com/company/espn.com) | espn.com | Television | United States |
| [Globo](https://www.runsonwhat.com/company/globo.com) | globo.com | Publishing | Brazil |
| [Business Insider](https://www.runsonwhat.com/company/businessinsider.com) | businessinsider.com |  |  |
| [AOL](https://www.runsonwhat.com/company/aol.com) | aol.com | Internet | United States |
| [Speedtest.net](https://www.runsonwhat.com/company/speedtest.net) | speedtest.net |  |  |
| [CNBC](https://www.runsonwhat.com/company/cnbc.com) | cnbc.com |  |  |
| [NPR](https://www.runsonwhat.com/company/npr.org) | npr.org |  |  |
| [Fandom, Inc.](https://www.runsonwhat.com/company/fandom.com) | fandom.com |  | United States |
| [Scribd](https://www.runsonwhat.com/company/scribd.com) | scribd.com | Publishing | United States |
| [Stack Exchange Inc.](https://www.runsonwhat.com/company/stackoverflow.com) | stackoverflow.com |  | United States |
| [Fox News](https://www.runsonwhat.com/company/foxnews.com) | foxnews.com |  | United States |
| [UOL](https://www.runsonwhat.com/company/uol.com.br) | uol.com.br | Media Conglomerate | Brazil |
| [Авито](https://www.runsonwhat.com/company/avito.ru) | avito.ru | Internet | Russia |
| [Encyclopædia Britannica Inc.](https://www.runsonwhat.com/company/britannica.com) | britannica.com |  | United States |
| [Daily Mail US](https://www.runsonwhat.com/company/dailymail.com) | dailymail.com | Publishing | United States |
| [Le Monde.fr](https://www.runsonwhat.com/company/lemonde.fr) | lemonde.fr | Newspapers | France |
| [Merriam-Webster Inc.](https://www.runsonwhat.com/company/merriam-webster.com) | merriam-webster.com | Publishing | United States |
| [CNET](https://www.runsonwhat.com/company/cnet.com) | cnet.com | Online Media | United States |
| [Imgur](https://www.runsonwhat.com/company/imgur.com) | imgur.com |  | United States |
| [MLB.com](https://www.runsonwhat.com/company/mlb.com) | mlb.com | Sports | United States |
| [Apnews](https://www.runsonwhat.com/company/apnews.com) | apnews.com |  |  |
| [Allaboutcookies](https://www.runsonwhat.com/company/allaboutcookies.org) | allaboutcookies.org |  |  |
| [The Verge](https://www.runsonwhat.com/company/theverge.com) | theverge.com | Publishing | United States |
| [Biblegateway](https://www.runsonwhat.com/company/biblegateway.com) | biblegateway.com |  |  |
| [NBC News](https://www.runsonwhat.com/company/nbcnews.com) | nbcnews.com | Broadcast Media | United States |
| [Genius](https://www.runsonwhat.com/company/genius.com) | genius.com | Content | United States |

The full list is on https://www.runsonwhat.com/reverse/magnite for signed-in users.

## FAQ

### How many companies use Magnite?

As of October 2026, 9,473 companies show public evidence of using Magnite across the 1,792,955 company domains runsonwhat tracks. That makes Magnite the 19th most used of the 91 Ads & Pixels tools with confirmed customers, behind Amazon Advertising (11,242). The number is a lower bound: a company counts only when a public record, such as a DNS entry or Magnite's code on its website, shows the tool in use.

### Which companies use Magnite?

Companies that use Magnite include Yahoo, Tumblr, The New York Times, SoundCloud Global and CNN, according to runsonwhat's public-record scans (October 2026). The biggest industries among Magnite customers are newspapers (16%) and online media (11%). The full list of 9,473 companies can be filtered by industry, company size and country on runsonwhat's Magnite page.

### What industries use Magnite the most?

The industries with the most Magnite customers are newspapers (16%), online media (11%) and broadcast media (10%), based on the 4,043 companies with a known industry. Relative to all companies runsonwhat tracks, Magnite stands out most in newspapers (80× the average rate) and broadcast media (40× the average rate).

### Is Magnite more popular with startups or large companies?

Magnite is used mostly by mid-size companies: of the 4,793 companies with a known size, 45% have up to 50 employees, 50% have 51 to 1,000 and 5.4% have more than 1,000.

### Which countries use Magnite the most?

Most Magnite customers runsonwhat has found are based in the United States (45%), the United Kingdom (6.2%) and India (5.1%), out of 4,549 companies with a known country. Outside the United States, the biggest markets are the United Kingdom and India.

### Is Magnite gaining or losing customers?

In the 90 days to October 2026, 6 companies started using Magnite and 4 companies stopped, a net gain of 2. runsonwhat counts a start or a stop only between two checks of the same company done the same way, so a change in how a site is scanned never shows up as churn.

### What are the most popular alternatives to Magnite?

By the number of companies using them, the most used Ads & Pixels tools other than Magnite are Google Ads (444,227), Meta Pixel (375,572), Microsoft Ads (113,623) and LinkedIn Insight Tag (108,804), according to runsonwhat (October 2026). Not every tool in a category does the same job, so check each one's page; runsonwhat ranks all Ads & Pixels tools at https://www.runsonwhat.com/tools/ad-platforms.

### What other tools do Magnite customers use?

Magnite customers use Index Exchange, Sharethrough and TripleLift far more often than the average company. For example, 38% of Magnite customers also run Index Exchange, 133× the rate among all companies runsonwhat tracks, and 34% run Sharethrough.

### How does runsonwhat know a company uses Magnite?

runsonwhat reads public records only. For Magnite, that means Magnite on the company's own subprocessor list. A company is listed only when that record is present, and each match keeps the record it came from. DNS is rechecked weekly and websites about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/reverse/magnite (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.