- Google LLC - 72.00%
- Microsoft Corporation - 32.40%
- Cloudflare, Inc. - 30.00%
- Facebook, Inc. - 22.10%
- Amazon Technologies, Inc. - 19.70%
- The Trade Desk Inc - 18.70%
- Magnite, Inc. - 16.40%
- PubMatic, Inc. - 14.50%
- Adobe Inc. - 14.30%
- OpenX Technologies Inc - 13.80%
- Index Exchange, Inc. - 13.50%
- LiveRamp Holdings, Inc. - 13.40%
- ID5 Technology Ltd - 13.10%
- Yahoo Inc. - 12.90%
- Tapad, Inc. - 12.50%
- Lotame Solutions, Inc. - 11.60%
- IPONWEB GmbH - 11.10%
- Amobee, Inc - 10.70%
- LiveIntent Inc. - 10.10%
- Criteo SA - 9.96%
- RTB House S.A. - 9.83%
- TripleLift - 9.67%
- Conversant LLC - 9.59%
- 33Across, Inc. - 9.15%
- Sovrn Holdings - 9.06%
- OneTrust LLC - 8.51%
- Smartadserver S.A.S - 8.35%
- Sharethrough, Inc. - 8.33%
- RhythmOne - 8.26%
- Collective Roll - 8.21%
- Beeswax - 8.00%
- Media.net Advertising FZ-LLC - 7.86%
- Almondnet Group - 7.72%
- comScore, Inc - 7.43%
- Improve Digital BV - 7.39%
- Quantcast Corporation - 7.11%
- Adform A/S - 7.10%
- Adelphic, Inc. - 6.98%
- Outbrain - 6.92%
- Zeta Global - 6.92%
- Pinduoduo Inc. - 6.72%
- Pulsepoint, Inc. - 6.53%
- Centro, Inc. - 6.43%
- YieldMo, Inc. - 6.35%
- Sonobi, Inc - 6.21%
- GumGum - 6.20%
- ByteDance Ltd. - 6.05%
- Pinterest, Inc. - 6.01%
- Blis Global Ltd - 5.89%
- Unruly Group Limited - 5.87%
- Monet Engine Inc. - 5.86%
- Smaato Inc. - 5.80%
- Simplifi Holdings Inc. - 5.71%
- Klaviyo - 5.28%
- Shopify Inc. - 5.27%
- Online Media Solutions Ltd. dba Brightcom - 5.21%
- Teads ( Luxenbourg ) SA - 5.09%
- The Nielsen Company - 5.07%
- FreeWheel - 5.01%
- DeepIntent Inc - 4.95%
- Opera Software AS - 4.79%
- Twitter, Inc. - 4.77%
- Prospect One - 4.73%
- ADman Media - 4.52%
- TransUnion LLC - 4.41%
- Nativo, Inc - 4.28%
- Hotjar Ltd - 4.27%
- InMobi Pte Ltd - 4.02%
- Taboola, Inc. - 3.96%
- consentmanager AB - 3.95%
- Kargo Global, Inc. - 3.79%
- Mediavine, Inc. - 3.77%
- Blockthrough Inc. - 3.76%
- Unity Software Inc. - 3.71%
- eyeota Limited - 3.70%
- OnAudience Ltd. - 3.57%
- Adyoulike - 3.48%
- Audigent - 3.23%
- IQzone Inc. - 3.21%
- Brandmetrics - 3.15%
- Insticator - 3.10%
- Rich Audience Technologies - 3.07%
- Mediaocean LLC - 2.98%
- Reddit Inc. - 2.96%
- Merkle Inc - 2.95%
- Throtle - 2.95%
- Disqus, Inc. - 2.92%
- Automattic, Inc. - 2.83%
- Akamai Technologies - 2.76%
- Vidazoo Ltd - 2.74%
- AdThrive, LLC - 2.72%
- MediaMath, Inc. - 2.65%
- New Relic - 2.56%
- OpenJS Foundation - 2.49%
- SEEDTAG ADVERTISING S.L. - 2.39%
- WPP plc - 2.39%
- Ogury Limited - 2.37%
- Engine USA LLC - 2.34%
- Usercentrics GmbH - 2.21%
- Bombora Inc. - 2.17%