- Google LLC - 73.30%
- Microsoft Corporation - 33.50%
- Facebook, Inc. - 22.00%
- The Trade Desk Inc - 19.40%
- Amazon Technologies, Inc. - 19.20%
- Adobe Inc. - 16.70%
- Cloudflare, Inc. - 15.50%
- Magnite, Inc. - 15.50%
- OpenX Technologies Inc - 14.90%
- Index Exchange, Inc. - 14.50%
- Yahoo Inc. - 13.80%
- PubMatic, Inc. - 13.70%
- ID5 Technology Ltd - 13.00%
- Tapad, Inc. - 12.80%
- Lotame Solutions, Inc. - 12.40%
- LiveRamp Holdings, Inc. - 12.30%
- IPONWEB GmbH - 11.80%
- Amobee, Inc - 10.70%
- RTB House S.A. - 10.50%
- TripleLift - 9.97%
- Conversant LLC - 9.84%
- LiveIntent Inc. - 9.79%
- Sovrn Holdings - 9.63%
- Criteo SA - 9.59%
- Media.net Advertising FZ-LLC - 9.45%
- 33Across, Inc. - 9.36%
- Smartadserver S.A.S - 8.84%
- RhythmOne - 8.77%
- OneTrust LLC - 8.73%
- Sharethrough, Inc. - 8.71%
- Collective Roll - 8.59%
- Beeswax - 8.37%
- Almondnet Group - 7.85%
- Pulsepoint, Inc. - 7.54%
- Outbrain - 7.48%
- Adform A/S - 7.38%
- Adelphic, Inc. - 7.29%
- Quantcast Corporation - 7.27%
- Improve Digital BV - 7.25%
- Zeta Global - 7.15%
- Pinduoduo Inc. - 7.05%
- comScore, Inc - 6.95%
- Sonobi, Inc - 6.52%
- GumGum - 6.47%
- YieldMo, Inc. - 6.44%
- Centro, Inc. - 6.28%
- Smaato Inc. - 6.27%
- Simplifi Holdings Inc. - 6.24%
- Teads ( Luxenbourg ) SA - 6.05%
- Unruly Group Limited - 5.97%
- FreeWheel - 5.51%
- Monet Engine Inc. - 5.22%
- ByteDance Ltd. - 5.05%
- Pinterest, Inc. - 5.04%
- Twitter, Inc. - 5.04%
- TransUnion LLC - 4.88%
- InMobi Pte Ltd - 4.78%
- DeepIntent Inc - 4.72%
- Prospect One - 4.64%
- The Nielsen Company - 4.48%
- Kargo Global, Inc. - 4.37%
- Hotjar Ltd - 4.35%
- Blis Global Ltd - 4.27%
- Unity Software Inc. - 4.07%
- eyeota Limited - 4.03%
- Blockthrough Inc. - 4.00%
- Taboola, Inc. - 3.94%
- Throtle - 3.87%
- consentmanager AB - 3.81%
- Adyoulike - 3.77%
- Mediavine, Inc. - 3.65%
- Klaviyo - 3.55%
- Nativo, Inc - 3.55%
- Disqus, Inc. - 3.52%
- OnAudience Ltd. - 3.50%
- Audigent - 3.47%
- Opera Software AS - 3.43%
- Shopify Inc. - 3.17%
- Rich Audience Technologies - 3.13%
- Automattic, Inc. - 3.02%
- MediaMath, Inc. - 2.98%
- Brandmetrics - 2.97%
- Mediaocean LLC - 2.90%
- Akamai Technologies - 2.86%
- New Relic - 2.79%
- Reddit Inc. - 2.78%
- IQzone Inc. - 2.75%
- Ogury Limited - 2.71%
- Merkle Inc - 2.69%
- SEEDTAG ADVERTISING S.L. - 2.65%
- WPP plc - 2.64%
- Integral Ad Science, Inc. - 2.63%
- OpenJS Foundation - 2.60%
- Vidazoo Ltd - 2.49%
- AdThrive, LLC - 2.39%
- Adkernel, LLC - 2.39%
- Bombora Inc. - 2.31%
- HubSpot, Inc. - 2.24%
- Usercentrics GmbH - 2.07%
- Supership Inc - 2.06%