- Google LLC - 65.60%
- Microsoft Corporation - 28.50%
- Cloudflare, Inc. - 28.00%
- Facebook, Inc. - 19.70%
- The Trade Desk Inc - 17.00%
- Amazon Technologies, Inc. - 16.10%
- Magnite, Inc. - 13.00%
- Adobe Inc. - 12.10%
- Criteo SA - 11.70%
- Lotame Solutions, Inc. - 11.20%
- Index Exchange, Inc. - 10.80%
- PubMatic, Inc. - 10.80%
- LiveRamp Holdings, Inc. - 10.70%
- OpenX Technologies Inc - 10.70%
- ID5 Technology Ltd - 10.40%
- Yahoo Inc. - 10.40%
- Tapad, Inc. - 8.64%
- IPONWEB GmbH - 8.61%
- TripleLift - 7.97%
- LiveIntent Inc. - 7.62%
- Collective Roll - 7.39%
- OneTrust LLC - 7.29%
- RTB House S.A. - 7.02%
- Conversant LLC - 6.81%
- Media.net Advertising FZ-LLC - 6.63%
- Amobee, Inc - 6.30%
- Sharethrough, Inc. - 6.22%
- Smartadserver S.A.S - 5.87%
- comScore, Inc - 5.81%
- Outbrain - 5.67%
- ByteDance Ltd. - 5.05%
- Pulsepoint, Inc. - 4.92%
- Pinduoduo Inc. - 4.83%
- Blis Global Ltd - 4.72%
- Adform A/S - 4.68%
- Pinterest, Inc. - 4.65%
- Zeta Global - 4.53%
- YieldMo, Inc. - 4.52%
- 33Across, Inc. - 4.48%
- Monet Engine Inc. - 4.43%
- Prospect One - 4.43%
- Smaato Inc. - 4.40%
- Teads ( Luxenbourg ) SA - 4.40%
- Beeswax - 4.36%
- Centro, Inc. - 4.35%
- Adelphic, Inc. - 4.33%
- Quantcast Corporation - 4.27%
- GumGum - 4.20%
- Twitter, Inc. - 4.17%
- TransUnion LLC - 4.04%
- Simplifi Holdings Inc. - 3.95%
- Almondnet Group - 3.93%
- Sonobi, Inc - 3.83%
- Klaviyo - 3.81%
- Shopify Inc. - 3.68%
- eyeota Limited - 3.62%
- Hotjar Ltd - 3.51%
- InMobi Pte Ltd - 3.46%
- Nativo, Inc - 3.39%
- consentmanager AB - 3.38%
- FreeWheel - 3.36%
- Kargo Global, Inc. - 3.32%
- The Nielsen Company - 3.32%
- Opera Software AS - 3.26%
- Taboola, Inc. - 3.26%
- Ogury Limited - 3.25%
- Akamai Technologies - 3.14%
- Mediavine, Inc. - 3.12%
- Online Media Solutions Ltd. dba Brightcom - 2.99%
- Unity Software Inc. - 2.99%
- Reddit Inc. - 2.91%
- ADman Media - 2.88%
- DeepIntent Inc - 2.70%
- Blockthrough Inc. - 2.63%
- Bombora Inc. - 2.59%
- Rich Audience Technologies - 2.56%
- Merkle Inc - 2.53%
- Clicksco FZ - 2.41%
- SEEDTAG ADVERTISING S.L. - 2.41%
- New Relic - 2.39%
- Automattic, Inc. - 2.35%
- Adyoulike - 2.32%
- OpenJS Foundation - 2.31%
- AdThrive, LLC - 2.17%
- Adkernel, LLC - 2.15%
- Usercentrics GmbH - 2.10%
- HubSpot, Inc. - 2.01%
- Undertone Networks - 2.00%
- Audigent - 1.88%
- Disqus, Inc. - 1.84%
- Sovrn Holdings - 1.84%
- MediaMath, Inc. - 1.83%
- Engine USA LLC - 1.77%
- Snap Inc. - 1.77%
- Assertive Yield B.V. - 1.70%
- Salesforce.com, Inc. - 1.65%
- Throtle - 1.51%
- Yandex LLC - 1.51%
- Roq.ad - 1.45%
- ShareThis, Inc - 1.43%