- Google LLC - 71.60%
- Microsoft Corporation - 32.00%
- Cloudflare, Inc. - 30.10%
- Facebook, Inc. - 20.70%
- Amazon Technologies, Inc. - 18.50%
- The Trade Desk Inc - 18.40%
- Magnite, Inc. - 15.70%
- Adobe Inc. - 14.20%
- Index Exchange, Inc. - 13.90%
- PubMatic, Inc. - 13.80%
- LiveRamp Holdings, Inc. - 13.50%
- OpenX Technologies Inc - 13.50%
- Lotame Solutions, Inc. - 13.20%
- Yahoo Inc. - 12.90%
- ID5 Technology Ltd - 12.10%
- Tapad, Inc. - 11.90%
- IPONWEB GmbH - 11.70%
- Amobee, Inc - 10.40%
- RTB House S.A. - 9.85%
- Criteo SA - 9.68%
- TripleLift - 9.27%
- LiveIntent Inc. - 9.17%
- Collective Roll - 8.85%
- Conversant LLC - 8.64%
- Sovrn Holdings - 8.63%
- OneTrust LLC - 8.59%
- RhythmOne - 8.26%
- Media.net Advertising FZ-LLC - 7.99%
- Sharethrough, Inc. - 7.92%
- Outbrain - 7.91%
- Smartadserver S.A.S - 7.76%
- Beeswax - 7.36%
- Quantcast Corporation - 7.15%
- Improve Digital BV - 7.00%
- comScore, Inc - 6.98%
- Almondnet Group - 6.96%
- Pinduoduo Inc. - 6.88%
- Adelphic, Inc. - 6.79%
- 33Across, Inc. - 6.74%
- Adform A/S - 6.70%
- Zeta Global - 6.65%
- Blis Global Ltd - 6.07%
- Pulsepoint, Inc. - 6.00%
- Unruly Group Limited - 6.00%
- YieldMo, Inc. - 5.96%
- Monet Engine Inc. - 5.95%
- Sonobi, Inc - 5.91%
- Centro, Inc. - 5.83%
- Simplifi Holdings Inc. - 5.82%
- GumGum - 5.68%
- Smaato Inc. - 5.58%
- Online Media Solutions Ltd. dba Brightcom - 5.41%
- ByteDance Ltd. - 5.03%
- DeepIntent Inc - 5.01%
- TransUnion LLC - 4.82%
- Pinterest, Inc. - 4.80%
- The Nielsen Company - 4.79%
- Twitter, Inc. - 4.74%
- Prospect One - 4.72%
- Opera Software AS - 4.67%
- FreeWheel - 4.65%
- Nativo, Inc - 4.63%
- ADman Media - 4.43%
- Teads ( Luxenbourg ) SA - 4.40%
- eyeota Limited - 4.14%
- InMobi Pte Ltd - 4.08%
- Hotjar Ltd - 3.94%
- Taboola, Inc. - 3.77%
- Blockthrough Inc. - 3.74%
- Klaviyo - 3.72%
- IQzone Inc. - 3.59%
- OnAudience Ltd. - 3.57%
- consentmanager AB - 3.51%
- Shopify Inc. - 3.49%
- Rich Audience Technologies - 3.47%
- Kargo Global, Inc. - 3.37%
- Unity Software Inc. - 3.35%
- Mediavine, Inc. - 3.24%
- Audigent - 3.18%
- Throtle - 3.16%
- Akamai Technologies - 3.12%
- Insticator - 3.11%
- Mediaocean LLC - 3.01%
- Reddit Inc. - 2.95%
- Bombora Inc. - 2.84%
- Ogury Limited - 2.84%
- SEEDTAG ADVERTISING S.L. - 2.77%
- Adyoulike - 2.64%
- Merkle Inc - 2.64%
- New Relic - 2.64%
- Automattic, Inc. - 2.59%
- OpenJS Foundation - 2.59%
- WPP plc - 2.57%
- MediaMath, Inc. - 2.45%
- AdThrive, LLC - 2.37%
- Disqus, Inc. - 2.37%
- Adkernel, LLC - 2.26%
- Usercentrics GmbH - 2.19%
- Engine USA LLC - 2.15%
- HubSpot, Inc. - 2.12%