- Google LLC - 67.00%
- Microsoft Corporation - 28.70%
- Cloudflare, Inc. - 27.40%
- Facebook, Inc. - 20.40%
- The Trade Desk Inc - 17.80%
- Amazon Technologies, Inc. - 17.10%
- Magnite, Inc. - 14.00%
- Adobe Inc. - 13.00%
- Criteo SA - 12.40%
- PubMatic, Inc. - 12.00%
- LiveRamp Holdings, Inc. - 11.90%
- Lotame Solutions, Inc. - 11.90%
- OpenX Technologies Inc - 11.60%
- Yahoo Inc. - 11.10%
- ID5 Technology Ltd - 10.90%
- Index Exchange, Inc. - 10.70%
- Tapad, Inc. - 10.40%
- IPONWEB GmbH - 9.92%
- TripleLift - 8.88%
- RTB House S.A. - 8.13%
- LiveIntent Inc. - 8.12%
- Amobee, Inc - 8.07%
- Collective Roll - 7.98%
- Conversant LLC - 7.76%
- Sovrn Holdings - 7.64%
- Media.net Advertising FZ-LLC - 7.60%
- OneTrust LLC - 7.55%
- Smartadserver S.A.S - 7.26%
- Sharethrough, Inc. - 6.97%
- Beeswax - 6.52%
- Outbrain - 6.45%
- Pinduoduo Inc. - 6.12%
- comScore, Inc - 6.02%
- Adform A/S - 5.87%
- Adelphic, Inc. - 5.78%
- 33Across, Inc. - 5.73%
- Monet Engine Inc. - 5.72%
- ByteDance Ltd. - 5.62%
- Centro, Inc. - 5.45%
- Blis Global Ltd - 5.42%
- YieldMo, Inc. - 5.33%
- Zeta Global - 5.24%
- Pulsepoint, Inc. - 5.19%
- GumGum - 5.15%
- Sonobi, Inc - 5.00%
- Simplifi Holdings Inc. - 4.96%
- Smaato Inc. - 4.87%
- Pinterest, Inc. - 4.78%
- Almondnet Group - 4.77%
- Quantcast Corporation - 4.77%
- Online Media Solutions Ltd. dba Brightcom - 4.72%
- FreeWheel - 4.58%
- Prospect One - 4.51%
- Opera Software AS - 4.48%
- Twitter, Inc. - 4.42%
- TransUnion LLC - 4.25%
- Nativo, Inc - 4.17%
- DeepIntent Inc - 4.11%
- ADman Media - 3.80%
- Klaviyo - 3.79%
- eyeota Limited - 3.76%
- Hotjar Ltd - 3.71%
- The Nielsen Company - 3.66%
- SEEDTAG ADVERTISING S.L. - 3.63%
- Shopify Inc. - 3.57%
- Taboola, Inc. - 3.53%
- Unity Software Inc. - 3.46%
- consentmanager AB - 3.43%
- InMobi Pte Ltd - 3.37%
- Kargo Global, Inc. - 3.28%
- Rich Audience Technologies - 3.27%
- Teads ( Luxenbourg ) SA - 3.26%
- Akamai Technologies - 3.20%
- Mediavine, Inc. - 3.14%
- Ogury Limited - 3.02%
- Reddit Inc. - 3.00%
- IQzone Inc. - 2.98%
- RhythmOne - 2.91%
- Blockthrough Inc. - 2.82%
- Adyoulike - 2.81%
- Bombora Inc. - 2.66%
- Insticator - 2.61%
- Mediaocean LLC - 2.59%
- Disqus, Inc. - 2.52%
- New Relic - 2.51%
- Clicksco FZ - 2.46%
- Merkle Inc - 2.40%
- OpenJS Foundation - 2.39%
- Automattic, Inc. - 2.35%
- OnAudience Ltd. - 2.28%
- Audigent - 2.23%
- AdThrive, LLC - 2.19%
- Undertone Networks - 2.19%
- Usercentrics GmbH - 2.15%
- HubSpot, Inc. - 2.07%
- Throtle - 2.07%
- Unruly Group Limited - 1.98%
- Engine USA LLC - 1.93%
- MediaMath, Inc. - 1.80%
- Snap Inc. - 1.80%