- Google LLC - 72.90%
- Microsoft Corporation - 33.00%
- Cloudflare, Inc. - 29.70%
- Facebook, Inc. - 22.00%
- Amazon Technologies, Inc. - 19.00%
- The Trade Desk Inc - 18.70%
- Magnite, Inc. - 16.20%
- Adobe Inc. - 15.00%
- Index Exchange, Inc. - 14.10%
- OpenX Technologies Inc - 14.10%
- PubMatic, Inc. - 13.90%
- LiveRamp Holdings, Inc. - 13.30%
- Yahoo Inc. - 13.10%
- ID5 Technology Ltd - 12.90%
- Tapad, Inc. - 12.00%
- Lotame Solutions, Inc. - 11.60%
- IPONWEB GmbH - 11.00%
- Amobee, Inc - 10.50%
- TripleLift - 10.10%
- LiveIntent Inc. - 9.62%
- RTB House S.A. - 9.60%
- Sovrn Holdings - 9.56%
- Collective Roll - 9.41%
- Conversant LLC - 9.40%
- Criteo SA - 9.13%
- 33Across, Inc. - 9.01%
- Sharethrough, Inc. - 8.60%
- OneTrust LLC - 8.49%
- Smartadserver S.A.S - 8.42%
- RhythmOne - 8.30%
- Media.net Advertising FZ-LLC - 8.27%
- Almondnet Group - 7.83%
- Beeswax - 7.70%
- Improve Digital BV - 7.26%
- Zeta Global - 7.11%
- Quantcast Corporation - 7.07%
- Adelphic, Inc. - 7.06%
- comScore, Inc - 7.06%
- Pinduoduo Inc. - 7.04%
- Outbrain - 7.01%
- Adform A/S - 6.97%
- Pulsepoint, Inc. - 6.78%
- YieldMo, Inc. - 6.48%
- Centro, Inc. - 6.29%
- GumGum - 6.29%
- Blis Global Ltd - 6.22%
- Smaato Inc. - 6.18%
- Sonobi, Inc - 6.18%
- Monet Engine Inc. - 5.94%
- Simplifi Holdings Inc. - 5.84%
- Unruly Group Limited - 5.69%
- Online Media Solutions Ltd. dba Brightcom - 5.55%
- Teads ( Luxenbourg ) SA - 5.46%
- ByteDance Ltd. - 5.38%
- Pinterest, Inc. - 5.37%
- DeepIntent Inc - 5.03%
- Twitter, Inc. - 4.89%
- Prospect One - 4.82%
- Opera Software AS - 4.81%
- InMobi Pte Ltd - 4.60%
- TransUnion LLC - 4.57%
- The Nielsen Company - 4.37%
- Hotjar Ltd - 4.29%
- ADman Media - 4.22%
- Nativo, Inc - 4.22%
- Klaviyo - 4.14%
- Kargo Global, Inc. - 4.05%
- eyeota Limited - 3.93%
- Taboola, Inc. - 3.90%
- consentmanager AB - 3.84%
- Shopify Inc. - 3.83%
- Unity Software Inc. - 3.81%
- Blockthrough Inc. - 3.80%
- Mediavine, Inc. - 3.57%
- Adyoulike - 3.48%
- OnAudience Ltd. - 3.39%
- FreeWheel - 3.27%
- Mediaocean LLC - 3.19%
- Disqus, Inc. - 3.17%
- Audigent - 3.08%
- Rich Audience Technologies - 3.05%
- Reddit Inc. - 2.97%
- Automattic, Inc. - 2.91%
- MediaMath, Inc. - 2.89%
- Akamai Technologies - 2.85%
- Brandmetrics - 2.82%
- Throtle - 2.80%
- Ogury Limited - 2.75%
- Vidazoo Ltd - 2.72%
- New Relic - 2.71%
- Merkle Inc - 2.70%
- SEEDTAG ADVERTISING S.L. - 2.67%
- OpenJS Foundation - 2.61%
- AdThrive, LLC - 2.48%
- WPP plc - 2.39%
- Engine USA LLC - 2.35%
- Adkernel, LLC - 2.30%
- Cognitiv Corp. - 2.30%
- Bombora Inc. - 2.27%
- Integral Ad Science, Inc. - 2.21%