- Google LLC - 71.50%
- Microsoft Corporation - 31.90%
- Cloudflare, Inc. - 30.00%
- Facebook, Inc. - 21.30%
- Amazon Technologies, Inc. - 18.20%
- The Trade Desk Inc - 18.20%
- Magnite, Inc. - 15.50%
- Adobe Inc. - 14.10%
- PubMatic, Inc. - 13.70%
- LiveRamp Holdings, Inc. - 13.50%
- Index Exchange, Inc. - 13.10%
- OpenX Technologies Inc - 13.10%
- Lotame Solutions, Inc. - 13.00%
- Yahoo Inc. - 12.80%
- ID5 Technology Ltd - 11.80%
- Tapad, Inc. - 11.80%
- IPONWEB GmbH - 11.40%
- Amobee, Inc - 9.96%
- Criteo SA - 9.57%
- RTB House S.A. - 9.43%
- TripleLift - 9.17%
- LiveIntent Inc. - 9.07%
- OneTrust LLC - 8.75%
- Sovrn Holdings - 8.68%
- Conversant LLC - 8.56%
- Collective Roll - 8.54%
- Media.net Advertising FZ-LLC - 7.97%
- RhythmOne - 7.93%
- Smartadserver S.A.S - 7.73%
- Sharethrough, Inc. - 7.67%
- Outbrain - 7.38%
- Beeswax - 7.17%
- 33Across, Inc. - 7.03%
- comScore, Inc - 6.99%
- Quantcast Corporation - 6.83%
- Almondnet Group - 6.72%
- Improve Digital BV - 6.62%
- Adform A/S - 6.60%
- Pinduoduo Inc. - 6.53%
- Adelphic, Inc. - 6.51%
- Zeta Global - 6.48%
- Sonobi, Inc - 6.08%
- YieldMo, Inc. - 5.87%
- Blis Global Ltd - 5.84%
- Pulsepoint, Inc. - 5.83%
- Simplifi Holdings Inc. - 5.83%
- Monet Engine Inc. - 5.69%
- Unruly Group Limited - 5.65%
- GumGum - 5.61%
- Centro, Inc. - 5.59%
- Smaato Inc. - 5.51%
- ByteDance Ltd. - 5.33%
- Online Media Solutions Ltd. dba Brightcom - 5.19%
- FreeWheel - 5.05%
- Pinterest, Inc. - 4.94%
- Prospect One - 4.86%
- ADman Media - 4.80%
- Twitter, Inc. - 4.78%
- Nativo, Inc - 4.56%
- eyeota Limited - 4.55%
- TransUnion LLC - 4.53%
- Opera Software AS - 4.49%
- The Nielsen Company - 4.49%
- DeepIntent Inc - 4.46%
- Hotjar Ltd - 4.17%
- Teads ( Luxenbourg ) SA - 4.01%
- InMobi Pte Ltd - 3.93%
- Klaviyo - 3.90%
- Taboola, Inc. - 3.70%
- Unity Software Inc. - 3.69%
- Blockthrough Inc. - 3.68%
- Shopify Inc. - 3.62%
- IQzone Inc. - 3.59%
- OnAudience Ltd. - 3.51%
- Rich Audience Technologies - 3.48%
- Kargo Global, Inc. - 3.35%
- consentmanager AB - 3.29%
- Audigent - 3.21%
- Reddit Inc. - 3.06%
- Mediavine, Inc. - 3.05%
- Bombora Inc. - 2.91%
- Insticator - 2.90%
- Mediaocean LLC - 2.85%
- Throtle - 2.84%
- Akamai Technologies - 2.81%
- SEEDTAG ADVERTISING S.L. - 2.75%
- Disqus, Inc. - 2.73%
- Ogury Limited - 2.73%
- New Relic - 2.69%
- Adyoulike - 2.67%
- Merkle Inc - 2.60%
- OpenJS Foundation - 2.58%
- Automattic, Inc. - 2.55%
- AdThrive, LLC - 2.29%
- MediaMath, Inc. - 2.24%
- Usercentrics GmbH - 2.23%
- WPP plc - 2.23%
- HubSpot, Inc. - 2.21%
- Adkernel, LLC - 2.10%
- Engine USA LLC - 2.09%