- Google LLC - 76.60%
- Microsoft Corporation - 30.10%
- Facebook, Inc. - 24.50%
- Amazon Technologies, Inc. - 18.20%
- The Trade Desk Inc - 16.80%
- Cloudflare, Inc. - 14.50%
- Magnite, Inc. - 13.00%
- OpenX Technologies Inc - 11.40%
- PubMatic, Inc. - 10.90%
- Adobe Inc. - 10.70%
- Index Exchange, Inc. - 10.70%
- Lotame Solutions, Inc. - 10.70%
- Tapad, Inc. - 10.70%
- ID5 Technology Ltd - 10.10%
- TripleLift - 9.91%
- Criteo SA - 9.88%
- LiveRamp Holdings, Inc. - 8.67%
- OneTrust LLC - 8.51%
- 33Across, Inc. - 8.45%
- LiveIntent Inc. - 8.25%
- Yahoo Inc. - 8.14%
- Sovrn Holdings - 8.07%
- comScore, Inc - 7.58%
- Conversant LLC - 7.12%
- Sonobi, Inc - 6.08%
- Sharethrough, Inc. - 5.97%
- Amobee, Inc - 5.92%
- Twitter, Inc. - 5.74%
- Improve Digital BV - 5.54%
- Media.net Advertising FZ-LLC - 5.17%
- Hotjar Ltd - 5.14%
- The Nielsen Company - 5.03%
- Beeswax - 4.99%
- IPONWEB GmbH - 4.98%
- Pinterest, Inc. - 4.95%
- Mediavine, Inc. - 4.91%
- GumGum - 4.85%
- Prospect One - 4.85%
- Quantcast Corporation - 4.75%
- Smartadserver S.A.S - 4.67%
- ByteDance Ltd. - 4.52%
- Teads ( Luxenbourg ) SA - 4.48%
- Almondnet Group - 4.44%
- TransUnion LLC - 4.12%
- Taboola, Inc. - 4.11%
- RTB House S.A. - 3.96%
- Confiant, Inc. - 3.89%
- Blockthrough Inc. - 3.86%
- Audigent - 3.76%
- Akamai Technologies - 3.75%
- RhythmOne - 3.72%
- Outbrain - 3.63%
- Monet Engine Inc. - 3.56%
- Adelphic, Inc. - 3.55%
- Klaviyo - 3.45%
- Adform A/S - 3.40%
- Automattic, Inc. - 3.37%
- Kargo Global, Inc. - 3.27%
- FreeWheel - 3.23%
- Unruly Group Limited - 3.16%
- YieldMo, Inc. - 3.13%
- New Relic - 3.02%
- OpenJS Foundation - 3.02%
- Brandmetrics - 2.95%
- Shopify Inc. - 2.73%
- Merkle Inc - 2.68%
- Integral Ad Science, Inc. - 2.56%
- Reddit Inc. - 2.56%
- HubSpot, Inc. - 2.47%
- AdThrive, LLC - 2.45%
- eyeota Limited - 2.42%
- Mediaocean LLC - 2.40%
- Adagio - 2.19%
- Salesforce.com, Inc. - 2.19%
- Usercentrics GmbH - 2.12%
- Vidazoo Ltd - 2.08%
- DoubleVerify - 2.05%
- Snap Inc. - 1.97%
- Clicksco FZ - 1.93%
- Pulsepoint, Inc. - 1.90%
- InMobi Pte Ltd - 1.87%
- SEEDTAG ADVERTISING S.L. - 1.82%
- Centro, Inc. - 1.80%
- Nativo, Inc - 1.77%
- ShareThis, Inc - 1.75%
- Smaato Inc. - 1.69%
- Collective Roll - 1.66%
- Pinduoduo Inc. - 1.64%
- Telaria - 1.55%
- Yandex LLC - 1.55%
- TrustArc Inc. - 1.54%
- WPP plc - 1.52%
- Insticator - 1.45%
- Zeta Global - 1.45%
- AddToAny - 1.40%
- Chartbeat - 1.40%
- unpkg - 1.40%
- Bombora Inc. - 1.37%
- Simplifi Holdings Inc. - 1.36%
- Siteimprove A/S - 1.36%