- Google LLC - 75.00%
- Microsoft Corporation - 31.80%
- Facebook, Inc. - 23.30%
- The Trade Desk Inc - 19.80%
- Amazon Technologies, Inc. - 19.60%
- Adobe Inc. - 17.90%
- Magnite, Inc. - 16.80%
- Cloudflare, Inc. - 16.50%
- OpenX Technologies Inc - 14.90%
- PubMatic, Inc. - 14.90%
- Yahoo Inc. - 14.40%
- Tapad, Inc. - 13.90%
- LiveRamp Holdings, Inc. - 13.60%
- Lotame Solutions, Inc. - 13.10%
- Index Exchange, Inc. - 12.50%
- Amobee, Inc - 11.80%
- ID5 Technology Ltd - 11.70%
- IPONWEB GmbH - 11.20%
- TripleLift - 11.20%
- LiveIntent Inc. - 11.10%
- Criteo SA - 10.40%
- RhythmOne - 10.30%
- RTB House S.A. - 10.10%
- Smartadserver S.A.S - 10.10%
- 33Across, Inc. - 9.96%
- Conversant LLC - 9.71%
- Sharethrough, Inc. - 9.62%
- Sovrn Holdings - 9.62%
- Collective Roll - 9.43%
- OneTrust LLC - 9.19%
- Outbrain - 8.98%
- Media.net Advertising FZ-LLC - 8.51%
- Beeswax - 8.37%
- Adform A/S - 8.14%
- Quantcast Corporation - 7.77%
- Unruly Group Limited - 7.51%
- comScore, Inc - 7.48%
- Centro, Inc. - 7.21%
- Improve Digital BV - 7.21%
- Pinduoduo Inc. - 7.16%
- Pulsepoint, Inc. - 7.06%
- GumGum - 7.02%
- Adelphic, Inc. - 6.89%
- Simplifi Holdings Inc. - 6.84%
- YieldMo, Inc. - 6.77%
- Almondnet Group - 6.40%
- Sonobi, Inc - 6.23%
- Zeta Global - 6.17%
- FreeWheel - 5.70%
- TransUnion LLC - 5.70%
- Opera Software AS - 5.67%
- The Nielsen Company - 5.66%
- DeepIntent Inc - 5.63%
- Twitter, Inc. - 5.49%
- Pinterest, Inc. - 5.46%
- Throtle - 5.35%
- Teads ( Luxenbourg ) SA - 5.34%
- Smaato Inc. - 5.25%
- ByteDance Ltd. - 5.16%
- Monet Engine Inc. - 4.98%
- Kargo Global, Inc. - 4.76%
- Mediavine, Inc. - 4.76%
- Hotjar Ltd - 4.73%
- Taboola, Inc. - 4.65%
- Prospect One - 4.54%
- Nativo, Inc - 4.46%
- Online Media Solutions Ltd. dba Brightcom - 4.36%
- Unity Software Inc. - 4.04%
- ADman Media - 3.91%
- Confiant, Inc. - 3.91%
- Blockthrough Inc. - 3.88%
- eyeota Limited - 3.82%
- OnAudience Ltd. - 3.79%
- InMobi Pte Ltd - 3.75%
- Klaviyo - 3.54%
- Akamai Technologies - 3.49%
- Adyoulike - 3.37%
- consentmanager AB - 3.28%
- Brandmetrics - 3.26%
- Disqus, Inc. - 3.25%
- Audigent - 3.21%
- Automattic, Inc. - 3.20%
- Vidazoo Ltd - 3.15%
- Merkle Inc - 3.08%
- MediaMath, Inc. - 3.00%
- WPP plc - 2.98%
- Shopify Inc. - 2.93%
- New Relic - 2.91%
- Mediaocean LLC - 2.78%
- OpenJS Foundation - 2.75%
- SEEDTAG ADVERTISING S.L. - 2.74%
- Reddit Inc. - 2.72%
- Blis Global Ltd - 2.70%
- Rich Audience Technologies - 2.66%
- AdThrive, LLC - 2.56%
- Supership Inc - 2.47%
- Bombora Inc. - 2.44%
- HubSpot, Inc. - 2.30%
- Engine USA LLC - 2.28%
- KBM Group LLC - 2.17%