- Google LLC - 73.40%
- Microsoft Corporation - 33.10%
- Facebook, Inc. - 22.10%
- Amazon Technologies, Inc. - 19.20%
- The Trade Desk Inc - 19.10%
- Adobe Inc. - 16.50%
- Cloudflare, Inc. - 15.70%
- Magnite, Inc. - 15.30%
- OpenX Technologies Inc - 14.20%
- PubMatic, Inc. - 13.50%
- LiveRamp Holdings, Inc. - 13.40%
- Yahoo Inc. - 13.40%
- Index Exchange, Inc. - 13.10%
- ID5 Technology Ltd - 12.90%
- Tapad, Inc. - 12.10%
- Lotame Solutions, Inc. - 12.00%
- IPONWEB GmbH - 11.30%
- Amobee, Inc - 10.40%
- Criteo SA - 10.20%
- RTB House S.A. - 9.90%
- TripleLift - 9.88%
- LiveIntent Inc. - 9.76%
- Conversant LLC - 9.43%
- Sovrn Holdings - 9.40%
- 33Across, Inc. - 9.28%
- OneTrust LLC - 8.72%
- Sharethrough, Inc. - 8.72%
- Smartadserver S.A.S - 8.69%
- RhythmOne - 8.49%
- Media.net Advertising FZ-LLC - 8.37%
- Collective Roll - 8.11%
- Beeswax - 8.09%
- Adelphic, Inc. - 7.84%
- Almondnet Group - 7.71%
- Improve Digital BV - 7.39%
- Outbrain - 7.18%
- Adform A/S - 7.16%
- Centro, Inc. - 7.13%
- Quantcast Corporation - 7.13%
- comScore, Inc - 7.12%
- Pulsepoint, Inc. - 7.08%
- Pinduoduo Inc. - 6.99%
- Zeta Global - 6.94%
- GumGum - 6.53%
- Sonobi, Inc - 6.49%
- YieldMo, Inc. - 6.45%
- Smaato Inc. - 6.00%
- Unruly Group Limited - 5.82%
- Blis Global Ltd - 5.46%
- Monet Engine Inc. - 5.33%
- FreeWheel - 5.27%
- Teads ( Luxenbourg ) SA - 5.26%
- Pinterest, Inc. - 5.14%
- ByteDance Ltd. - 5.13%
- Twitter, Inc. - 5.02%
- DeepIntent Inc - 4.95%
- Prospect One - 4.66%
- Simplifi Holdings Inc. - 4.56%
- TransUnion LLC - 4.56%
- The Nielsen Company - 4.55%
- Hotjar Ltd - 4.36%
- InMobi Pte Ltd - 4.33%
- Opera Software AS - 4.27%
- Kargo Global, Inc. - 4.22%
- Blockthrough Inc. - 4.03%
- Unity Software Inc. - 4.01%
- Taboola, Inc. - 3.92%
- consentmanager AB - 3.86%
- eyeota Limited - 3.80%
- Klaviyo - 3.76%
- Adyoulike - 3.69%
- Mediavine, Inc. - 3.63%
- Throtle - 3.54%
- Disqus, Inc. - 3.44%
- OnAudience Ltd. - 3.44%
- Nativo, Inc - 3.43%
- Shopify Inc. - 3.35%
- Audigent - 3.34%
- Mediaocean LLC - 3.30%
- Rich Audience Technologies - 3.11%
- Brandmetrics - 3.00%
- Automattic, Inc. - 2.98%
- Akamai Technologies - 2.85%
- Reddit Inc. - 2.85%
- Ogury Limited - 2.80%
- Merkle Inc - 2.78%
- New Relic - 2.72%
- IQzone Inc. - 2.69%
- MediaMath, Inc. - 2.68%
- OpenJS Foundation - 2.62%
- ADman Media - 2.59%
- SEEDTAG ADVERTISING S.L. - 2.54%
- WPP plc - 2.51%
- Vidazoo Ltd - 2.49%
- AdThrive, LLC - 2.40%
- Bombora Inc. - 2.29%
- Engine USA LLC - 2.28%
- Integral Ad Science, Inc. - 2.25%
- Adkernel, LLC - 2.24%
- Clicksco FZ - 2.15%