- Google LLC - 77.20%
- Microsoft Corporation - 34.30%
- Facebook, Inc. - 25.20%
- The Trade Desk Inc - 20.90%
- Amazon Technologies, Inc. - 19.70%
- Magnite, Inc. - 17.50%
- Adobe Inc. - 17.30%
- Tapad, Inc. - 16.60%
- PubMatic, Inc. - 16.50%
- Verizon Media - 15.10%
- Index Exchange, Inc. - 14.60%
- LiveRamp Holdings, Inc. - 14.40%
- OpenX Technologies Inc - 14.30%
- Lotame Solutions, Inc. - 13.90%
- Cloudflare, Inc. - 12.70%
- Sovrn Holdings - 12.00%
- IPONWEB GmbH - 11.90%
- TripleLift - 11.90%
- ID5 Technology Ltd - 11.60%
- Smartadserver S.A.S - 11.10%
- Beeswax - 11.00%
- LiveIntent Inc. - 10.90%
- 33Across, Inc. - 10.80%
- Sharethrough, Inc. - 10.80%
- Amobee, Inc - 10.70%
- Collective Roll - 10.70%
- Conversant LLC - 10.60%
- Criteo SA - 10.60%
- Outbrain - 10.30%
- Quantcast Corporation - 10.00%
- RTB House S.A. - 9.97%
- RhythmOne - 9.85%
- Adelphic, Inc. - 9.78%
- Pulsepoint, Inc. - 9.23%
- Simplifi Holdings Inc. - 9.17%
- Adform A/S - 8.99%
- Media.net Advertising FZ-LLC - 8.97%
- Sonobi, Inc - 8.18%
- OneTrust LLC - 8.08%
- GumGum - 8.05%
- Improve Digital BV - 8.03%
- Centro, Inc. - 7.98%
- comScore, Inc - 7.72%
- Smaato Inc. - 7.70%
- YieldMo, Inc. - 7.52%
- Neustar, Inc. - 7.37%
- Unruly Group Limited - 7.20%
- The Nielsen Company - 6.72%
- Zeta Global - 6.63%
- Throtle - 6.57%
- FreeWheel - 6.34%
- Twitter, Inc. - 6.17%
- Pinterest, Inc. - 6.16%
- LoopMe Ltd - 6.07%
- Monet Engine Inc. - 5.79%
- Teads ( Luxenbourg ) SA - 5.64%
- OnAudience Ltd. - 5.59%
- Opera Software AS - 5.54%
- DeepIntent Inc - 5.53%
- Intent IQ, LLC - 5.51%
- Prospect One - 5.41%
- Hotjar Ltd - 5.27%
- Semasio GmbH - 5.16%
- Mediavine, Inc. - 5.11%
- Kargo Global, Inc. - 4.95%
- InMobi Pte Ltd - 4.89%
- Taboola, Inc. - 4.88%
- Adyoulike - 4.61%
- ByteDance Ltd. - 4.57%
- Nativo, Inc - 4.46%
- Roku, Inc. - 4.46%
- MediaMath, Inc. - 4.35%
- Unity Software Inc. - 4.05%
- Klaviyo - 3.79%
- Akamai Technologies - 3.74%
- Vidazoo Ltd - 3.64%
- ADman Media - 3.58%
- Brandmetrics - 3.56%
- eyeota Limited - 3.56%
- Ogury Limited - 3.47%
- Merkle Inc - 3.43%
- Automattic, Inc. - 3.39%
- Confiant, Inc. - 3.23%
- Audigent - 3.22%
- Supership Inc - 3.18%
- New Relic - 3.11%
- OpenJS Foundation - 3.07%
- Shopify Inc. - 3.07%
- Valassis Digital - 2.94%
- Beachfront Media LLC - 2.86%
- Rich Audience Technologies - 2.85%
- Disqus, Inc. - 2.83%
- McCann Disciplines Ltd. - 2.82%
- Cognitiv Corp. - 2.81%
- Flashtalking Inc - 2.77%
- Bombora Inc. - 2.69%
- AdThrive, LLC - 2.62%
- Blockthrough Inc. - 2.47%
- Reddit Inc. - 2.36%
- HubSpot, Inc. - 2.32%