- Google LLC - 79.30%
- Microsoft Corporation - 34.60%
- Facebook, Inc. - 27.10%
- The Trade Desk Inc - 21.00%
- Amazon Technologies, Inc. - 20.90%
- Adobe Inc. - 20.00%
- Magnite, Inc. - 19.60%
- Verizon Media - 18.20%
- PubMatic, Inc. - 16.80%
- Index Exchange, Inc. - 16.30%
- LiveRamp Holdings, Inc. - 16.30%
- OpenX Technologies Inc - 16.00%
- IPONWEB GmbH - 15.60%
- Tapad, Inc. - 15.30%
- TripleLift - 14.90%
- Lotame Solutions, Inc. - 14.30%
- LiveIntent Inc. - 13.00%
- Amobee, Inc - 12.30%
- Smartadserver S.A.S - 12.20%
- Cloudflare, Inc. - 11.90%
- Conversant LLC - 11.70%
- Collective Roll - 11.60%
- 33Across, Inc. - 11.50%
- Outbrain - 11.50%
- Sharethrough, Inc. - 11.20%
- RhythmOne - 11.00%
- Simplifi Holdings Inc. - 11.00%
- RTB House S.A. - 10.90%
- Pulsepoint, Inc. - 10.60%
- Quantcast Corporation - 10.60%
- Adform A/S - 10.50%
- Beeswax - 10.40%
- Adelphic, Inc. - 10.30%
- Sovrn Holdings - 10.20%
- Zeta Global - 10.20%
- Centro, Inc. - 9.62%
- Media.net Advertising FZ-LLC - 9.45%
- Unruly Group Limited - 9.19%
- Criteo SA - 9.04%
- ID5 Technology Ltd - 8.97%
- YieldMo, Inc. - 8.75%
- Oracle Corporation - 8.65%
- OneTrust LLC - 8.54%
- Improve Digital BV - 8.36%
- DeepIntent Inc - 8.32%
- Neustar, Inc. - 8.23%
- Smaato Inc. - 7.73%
- GumGum - 7.70%
- Kargo Global, Inc. - 7.70%
- FreeWheel - 7.44%
- Intent IQ, LLC - 7.39%
- Twitter, Inc. - 7.38%
- comScore, Inc - 6.81%
- Roku, Inc. - 6.59%
- Sonobi, Inc - 6.56%
- LoopMe Ltd - 6.29%
- Hotjar Ltd - 6.25%
- Opera Software AS - 6.25%
- Pinterest, Inc. - 6.19%
- Monet Engine Inc. - 5.97%
- MediaMath, Inc. - 5.89%
- Taboola, Inc. - 5.86%
- Teads ( Luxenbourg ) SA - 5.79%
- The Nielsen Company - 5.55%
- Synacor, Inc. - 5.28%
- Prospect One - 5.27%
- ByteDance Ltd. - 5.18%
- AdGear Technologies Inc. - 5.14%
- Valassis Digital - 4.96%
- Mediavine, Inc. - 4.78%
- Nativo, Inc - 4.75%
- Akamai Technologies - 4.45%
- Exponential Interactive Inc. - 4.35%
- New Relic - 4.34%
- Supership Inc - 4.29%
- Adyoulike - 4.24%
- Cognitiv Corp. - 4.18%
- Throtle - 4.00%
- Automattic, Inc. - 3.97%
- Unity Software Inc. - 3.79%
- OpenJS Foundation - 3.52%
- eyeota Limited - 3.44%
- InMobi Pte Ltd - 3.43%
- Colossus Media, LLC - 3.40%
- Blockthrough Inc. - 3.38%
- Disqus, Inc. - 3.38%
- McCann Disciplines Ltd. - 3.38%
- Klaviyo - 3.35%
- Merkle Inc - 3.33%
- Reset Digital LLC - 3.21%
- Clickagy - 3.19%
- Confiant, Inc. - 3.16%
- ADman Media - 3.11%
- Crimtan Holdings Ltd - 2.98%
- AdMedia - 2.82%
- Flashtalking Inc - 2.79%
- Audigent - 2.77%
- Vidazoo Ltd - 2.70%
- Adkernel, LLC - 2.58%
- Shopify Inc. - 2.57%