- Google LLC - 65.00%
- Microsoft Corporation - 28.10%
- Cloudflare, Inc. - 23.80%
- Facebook, Inc. - 19.50%
- The Trade Desk Inc - 16.90%
- Amazon Technologies, Inc. - 15.40%
- Magnite, Inc. - 12.70%
- Criteo SA - 11.70%
- Adobe Inc. - 11.30%
- Lotame Solutions, Inc. - 10.90%
- PubMatic, Inc. - 10.80%
- LiveRamp Holdings, Inc. - 10.60%
- ID5 Technology Ltd - 10.40%
- Yahoo Inc. - 10.40%
- OpenX Technologies Inc - 9.58%
- Index Exchange, Inc. - 9.42%
- Tapad, Inc. - 8.96%
- IPONWEB GmbH - 7.70%
- LiveIntent Inc. - 7.23%
- OneTrust LLC - 7.12%
- TripleLift - 6.88%
- Collective Roll - 6.57%
- RTB House S.A. - 6.37%
- Conversant LLC - 6.11%
- comScore, Inc - 6.05%
- Amobee, Inc - 5.99%
- Sovrn Holdings - 5.62%
- Beeswax - 5.23%
- ByteDance Ltd. - 5.12%
- Media.net Advertising FZ-LLC - 5.05%
- Sharethrough, Inc. - 5.01%
- Pinterest, Inc. - 4.66%
- Smartadserver S.A.S - 4.62%
- Adelphic, Inc. - 4.42%
- Prospect One - 4.42%
- GumGum - 4.32%
- Almondnet Group - 4.28%
- Adform A/S - 4.22%
- Teads ( Luxenbourg ) SA - 4.16%
- Zeta Global - 4.10%
- Outbrain - 4.07%
- Twitter, Inc. - 4.07%
- 33Across, Inc. - 4.02%
- Pulsepoint, Inc. - 4.00%
- Monet Engine Inc. - 3.91%
- Simplifi Holdings Inc. - 3.91%
- Klaviyo - 3.88%
- Shopify Inc. - 3.79%
- Pinduoduo Inc. - 3.78%
- Quantcast Corporation - 3.77%
- TransUnion LLC - 3.71%
- Sonobi, Inc - 3.67%
- eyeota Limited - 3.63%
- Centro, Inc. - 3.61%
- Blis Global Ltd - 3.55%
- The Nielsen Company - 3.55%
- Hotjar Ltd - 3.41%
- consentmanager AB - 3.41%
- FreeWheel - 3.20%
- Kargo Global, Inc. - 3.19%
- Taboola, Inc. - 3.15%
- YieldMo, Inc. - 3.14%
- Mediavine, Inc. - 3.13%
- Akamai Technologies - 3.11%
- Reddit Inc. - 2.99%
- Smaato Inc. - 2.69%
- InMobi Pte Ltd - 2.63%
- Blockthrough Inc. - 2.62%
- ADman Media - 2.58%
- Bombora Inc. - 2.57%
- Insticator - 2.54%
- Merkle Inc - 2.50%
- Opera Software AS - 2.41%
- Automattic, Inc. - 2.30%
- Clicksco FZ - 2.26%
- OpenJS Foundation - 2.26%
- AdThrive, LLC - 2.18%
- New Relic - 2.18%
- Ogury Limited - 2.15%
- Unity Software Inc. - 2.14%
- HubSpot, Inc. - 2.07%
- Nativo, Inc - 2.06%
- Usercentrics GmbH - 2.06%
- Online Media Solutions Ltd. dba Brightcom - 2.05%
- Adkernel, LLC - 1.89%
- DeepIntent Inc - 1.88%
- Assertive Yield B.V. - 1.83%
- Audigent - 1.83%
- Rich Audience Technologies - 1.83%
- Adyoulike - 1.78%
- Undertone Networks - 1.76%
- SEEDTAG ADVERTISING S.L. - 1.75%
- MediaMath, Inc. - 1.74%
- Snap Inc. - 1.72%
- Salesforce.com, Inc. - 1.61%
- Throtle - 1.54%
- Adagio - 1.50%
- OnAudience Ltd. - 1.48%
- Integral Ad Science, Inc. - 1.47%
- Human Security, Inc. - 1.46%