- Google LLC - 64.50%
- Microsoft Corporation - 27.80%
- Cloudflare, Inc. - 23.70%
- Facebook, Inc. - 19.10%
- The Trade Desk Inc - 16.40%
- Amazon Technologies, Inc. - 15.80%
- Magnite, Inc. - 12.80%
- Criteo SA - 11.50%
- Adobe Inc. - 11.10%
- LiveRamp Holdings, Inc. - 11.00%
- PubMatic, Inc. - 11.00%
- Lotame Solutions, Inc. - 10.90%
- Yahoo Inc. - 10.40%
- ID5 Technology Ltd - 10.30%
- OpenX Technologies Inc - 9.94%
- Tapad, Inc. - 9.46%
- Index Exchange, Inc. - 9.26%
- TripleLift - 8.01%
- IPONWEB GmbH - 7.78%
- LiveIntent Inc. - 7.41%
- OneTrust LLC - 6.88%
- Collective Roll - 6.70%
- RTB House S.A. - 6.57%
- Conversant LLC - 6.38%
- Sovrn Holdings - 6.26%
- Amobee, Inc - 6.00%
- Media.net Advertising FZ-LLC - 5.97%
- comScore, Inc - 5.97%
- Sharethrough, Inc. - 5.75%
- Smartadserver S.A.S - 5.23%
- Beeswax - 5.15%
- GumGum - 4.97%
- ByteDance Ltd. - 4.93%
- Pinterest, Inc. - 4.72%
- Outbrain - 4.63%
- TransUnion LLC - 4.59%
- Adform A/S - 4.58%
- Centro, Inc. - 4.55%
- Adelphic, Inc. - 4.47%
- Blis Global Ltd - 4.37%
- Pinduoduo Inc. - 4.34%
- Prospect One - 4.29%
- 33Across, Inc. - 4.25%
- Almondnet Group - 4.25%
- The Nielsen Company - 4.21%
- Sonobi, Inc - 4.16%
- Simplifi Holdings Inc. - 4.15%
- Klaviyo - 4.02%
- YieldMo, Inc. - 4.00%
- Shopify Inc. - 3.99%
- Zeta Global - 3.97%
- Monet Engine Inc. - 3.94%
- Twitter, Inc. - 3.85%
- Quantcast Corporation - 3.83%
- Teads ( Luxenbourg ) SA - 3.77%
- Kargo Global, Inc. - 3.74%
- Pulsepoint, Inc. - 3.68%
- Smaato Inc. - 3.64%
- Opera Software AS - 3.62%
- Online Media Solutions Ltd. dba Brightcom - 3.61%
- consentmanager AB - 3.57%
- eyeota Limited - 3.43%
- Mediavine, Inc. - 3.30%
- ADman Media - 3.29%
- Hotjar Ltd - 3.27%
- FreeWheel - 3.25%
- Taboola, Inc. - 3.14%
- Nativo, Inc - 3.03%
- Akamai Technologies - 3.02%
- Ogury Limited - 2.99%
- Reddit Inc. - 2.97%
- Insticator - 2.90%
- Unity Software Inc. - 2.85%
- InMobi Pte Ltd - 2.76%
- Bombora Inc. - 2.75%
- Clicksco FZ - 2.59%
- DeepIntent Inc - 2.54%
- Merkle Inc - 2.50%
- Blockthrough Inc. - 2.44%
- Rich Audience Technologies - 2.42%
- Automattic, Inc. - 2.40%
- New Relic - 2.39%
- SEEDTAG ADVERTISING S.L. - 2.37%
- AdThrive, LLC - 2.23%
- OpenJS Foundation - 2.20%
- Usercentrics GmbH - 2.06%
- Adyoulike - 2.02%
- HubSpot, Inc. - 2.01%
- Assertive Yield B.V. - 1.95%
- Audigent - 1.91%
- Disqus, Inc. - 1.85%
- Throtle - 1.84%
- Undertone Networks - 1.84%
- Adkernel, LLC - 1.65%
- Snap Inc. - 1.64%
- Beachfront Media LLC - 1.61%
- Salesforce.com, Inc. - 1.56%
- OnAudience Ltd. - 1.49%
- MediaMath, Inc. - 1.48%
- Engine USA LLC - 1.41%