- Google LLC - 66.20%
- Microsoft Corporation - 29.40%
- Cloudflare, Inc. - 28.20%
- Facebook, Inc. - 19.80%
- The Trade Desk Inc - 17.90%
- Amazon Technologies, Inc. - 16.50%
- Magnite, Inc. - 13.60%
- Index Exchange, Inc. - 12.80%
- Criteo SA - 12.60%
- Adobe Inc. - 12.40%
- Lotame Solutions, Inc. - 11.80%
- OpenX Technologies Inc - 11.60%
- PubMatic, Inc. - 11.60%
- LiveRamp Holdings, Inc. - 11.30%
- Yahoo Inc. - 11.10%
- ID5 Technology Ltd - 11.00%
- Tapad, Inc. - 9.47%
- IPONWEB GmbH - 9.06%
- TripleLift - 8.32%
- LiveIntent Inc. - 7.95%
- Collective Roll - 7.34%
- OneTrust LLC - 7.28%
- RTB House S.A. - 7.26%
- Media.net Advertising FZ-LLC - 6.98%
- Amobee, Inc - 6.70%
- Conversant LLC - 6.65%
- Sovrn Holdings - 6.58%
- Sharethrough, Inc. - 6.37%
- Smartadserver S.A.S - 6.22%
- comScore, Inc - 6.17%
- Outbrain - 5.70%
- Pinduoduo Inc. - 5.54%
- Beeswax - 5.43%
- GumGum - 5.15%
- ByteDance Ltd. - 5.08%
- Adelphic, Inc. - 5.03%
- Blis Global Ltd - 4.97%
- 33Across, Inc. - 4.92%
- Zeta Global - 4.78%
- Monet Engine Inc. - 4.75%
- Pinterest, Inc. - 4.73%
- Adform A/S - 4.70%
- Centro, Inc. - 4.61%
- Teads ( Luxenbourg ) SA - 4.61%
- Pulsepoint, Inc. - 4.58%
- YieldMo, Inc. - 4.58%
- Smaato Inc. - 4.56%
- Prospect One - 4.44%
- Quantcast Corporation - 4.41%
- Sonobi, Inc - 4.37%
- Simplifi Holdings Inc. - 4.29%
- Twitter, Inc. - 4.20%
- TransUnion LLC - 4.18%
- Almondnet Group - 4.05%
- Klaviyo - 3.81%
- eyeota Limited - 3.78%
- Shopify Inc. - 3.61%
- Online Media Solutions Ltd. dba Brightcom - 3.60%
- consentmanager AB - 3.56%
- Hotjar Ltd - 3.55%
- Nativo, Inc - 3.54%
- Opera Software AS - 3.52%
- The Nielsen Company - 3.45%
- Ogury Limited - 3.43%
- Kargo Global, Inc. - 3.38%
- Mediavine, Inc. - 3.33%
- FreeWheel - 3.27%
- Taboola, Inc. - 3.27%
- InMobi Pte Ltd - 3.20%
- Akamai Technologies - 3.11%
- Unity Software Inc. - 3.11%
- DeepIntent Inc - 2.88%
- Reddit Inc. - 2.88%
- ADman Media - 2.86%
- Rich Audience Technologies - 2.80%
- Blockthrough Inc. - 2.75%
- Bombora Inc. - 2.68%
- Merkle Inc - 2.66%
- Clicksco FZ - 2.59%
- New Relic - 2.48%
- SEEDTAG ADVERTISING S.L. - 2.42%
- AdThrive, LLC - 2.37%
- Insticator - 2.36%
- OpenJS Foundation - 2.35%
- Automattic, Inc. - 2.34%
- Undertone Networks - 2.27%
- Adyoulike - 2.20%
- IQzone Inc. - 2.18%
- Usercentrics GmbH - 2.11%
- HubSpot, Inc. - 1.99%
- Disqus, Inc. - 1.98%
- Adkernel, LLC - 1.97%
- Audigent - 1.97%
- Throtle - 1.82%
- Assertive Yield B.V. - 1.81%
- Engine USA LLC - 1.79%
- MediaMath, Inc. - 1.75%
- Snap Inc. - 1.74%
- Salesforce.com, Inc. - 1.67%
- Integral Ad Science, Inc. - 1.59%