- Google LLC - 76.60%
- Microsoft Corporation - 29.90%
- Facebook, Inc. - 24.50%
- The Trade Desk Inc - 16.70%
- Amazon Technologies, Inc. - 16.30%
- Magnite, Inc. - 12.10%
- Cloudflare, Inc. - 11.50%
- Adobe Inc. - 11.00%
- PubMatic, Inc. - 10.60%
- Tapad, Inc. - 10.20%
- OpenX Technologies Inc - 10.00%
- Lotame Solutions, Inc. - 9.98%
- Index Exchange, Inc. - 9.85%
- ID5 Technology Ltd - 9.65%
- LiveRamp Holdings, Inc. - 9.21%
- Criteo SA - 9.18%
- Verizon Media - 8.66%
- OneTrust LLC - 8.44%
- TripleLift - 8.30%
- Sovrn Holdings - 7.37%
- LiveIntent Inc. - 7.34%
- 33Across, Inc. - 7.33%
- Sharethrough, Inc. - 6.41%
- comScore, Inc - 6.38%
- Pinterest, Inc. - 6.02%
- Twitter, Inc. - 5.76%
- Conversant LLC - 5.62%
- Hotjar Ltd - 5.44%
- Quantcast Corporation - 5.40%
- The Nielsen Company - 5.40%
- GumGum - 5.38%
- Amobee, Inc - 5.28%
- Beeswax - 5.17%
- Improve Digital BV - 4.95%
- IPONWEB GmbH - 4.92%
- Neustar, Inc. - 4.92%
- Sonobi, Inc - 4.86%
- Prospect One - 4.77%
- Media.net Advertising FZ-LLC - 4.76%
- RhythmOne - 4.61%
- ByteDance Ltd. - 4.58%
- Mediavine, Inc. - 4.56%
- Klaviyo - 4.54%
- Intent IQ, LLC - 4.45%
- Unruly Group Limited - 4.34%
- Smartadserver S.A.S - 4.29%
- Outbrain - 4.21%
- Shopify Inc. - 4.15%
- Adelphic, Inc. - 4.07%
- RTB House S.A. - 3.91%
- Simplifi Holdings Inc. - 3.86%
- Teads ( Luxenbourg ) SA - 3.78%
- Collective Roll - 3.75%
- Akamai Technologies - 3.67%
- Taboola, Inc. - 3.61%
- Adform A/S - 3.40%
- Smaato Inc. - 3.39%
- Pulsepoint, Inc. - 3.17%
- YieldMo, Inc. - 3.11%
- Kargo Global, Inc. - 2.98%
- FreeWheel - 2.97%
- Automattic, Inc. - 2.88%
- Centro, Inc. - 2.87%
- Merkle Inc - 2.72%
- OpenJS Foundation - 2.72%
- Monet Engine Inc. - 2.56%
- Confiant, Inc. - 2.52%
- Zeta Global - 2.49%
- Flashtalking Inc - 2.40%
- New Relic - 2.36%
- AdThrive, LLC - 2.35%
- Salesforce.com, Inc. - 2.35%
- HubSpot, Inc. - 2.31%
- Blockthrough Inc. - 2.28%
- Usercentrics GmbH - 2.28%
- Throtle - 2.25%
- eyeota Limited - 2.22%
- ADman Media - 2.18%
- InMobi Pte Ltd - 2.18%
- Brandmetrics - 2.15%
- Reddit Inc. - 2.13%
- OnAudience Ltd. - 2.04%
- Snap Inc. - 2.03%
- Audigent - 2.00%
- Nativo, Inc - 1.97%
- LoopMe Ltd - 1.82%
- Vidazoo Ltd - 1.71%
- ShareThis, Inc - 1.67%
- Crazy Egg, Inc. - 1.65%
- Adagio - 1.64%
- Unity Software Inc. - 1.62%
- Adyoulike - 1.61%
- Semasio GmbH - 1.61%
- Yotpo Ltd - 1.58%
- Zendesk, Inc. - 1.58%
- Attentive Mobile - 1.57%
- Bombora Inc. - 1.56%
- Ezoic Inc. - 1.52%
- accessiBe Inc. - 1.51%
- MediaMath, Inc. - 1.50%