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BillionaireTracker

Richest People Under 40

Mark Mateschitz (age 34) is the richest person under 40, worth $43.5 billion. 146 people make this list as of November 7, 2026.

· Source: Forbes Real-Time Billionaires

#NameNet worth
1Mark MateschitzRed Bull$43.54B
2Greg BrockmanOpenAI$25.49B
3Edwin ChenArtificial intelligence$18B
4John CollisonPayment software$17.49B
5Patrick CollisonPayment software$17.49B
6Christopher OlahArtificial intelligence$13.8B
7Tom BrownArtificial intelligence$13.8B
8Daniela AmodeiArtificial intelligence$13.7B
9Jack ClarkArtificial intelligence$13.7B
10Sam McCandlishArtificial intelligence$13.1B
11Michal StrnadDefense Contracting$12.41B
12Wang XingxingRobotics$11.95B
13Wang Ning & familyToys$11.68B
14Justin SunCryptocurrency$8.5B
15Max Van Hoegaerden Herrmann TellesBeer$7.75B
16Timur TurlovStock brokerage$7.64B
17Melanie PerkinsSoftware$7.56B
18Maximilian ViessmannHeating, cooling equipment$7.43B
19Leonardo Maria Del VecchioEyeglasses$6.31B
20Franz von BaumbachPharma$6.31B
21Johannes von BaumbachPharma$6.31B
22Katharina von BaumbachPharma$6.31B
23Maximilian von BaumbachPharma$6.31B
24Clemente Del VecchioEyeglasses$6.14B
25Luca Del VecchioEyeglasses$6.14B
26Rocco BasilicoEyeglasses$6.14B
27Anna Viegenerplumbing/HVAC$6.02B
28Palmer LuckeyVirtual reality, defense technology$5.92B
29Steven HaoAI software$5.6B
30Cai HaoyuMobile games$5.4B
31Vlad TenevStock trading app$4.92B
32April GohPaints$4.71B
33Kevin David LehmannDrugstores$4.62B
34Gustav Magnar WitzoeFish farming$4.48B
35Liu WeiMobile gaming$3.7B
36Yu HaoCleaning appliance$3.52B
37Luo YuhaoMobile gaming$3.5B
38Jonathan KwokReal Estate$3.49B
39Ankur JainRewards firm$3.42B
40Marc FielmannOptometry$3.34B
41William Hockeyfintech$3.33B
42Luca QuerellaSoftware investment$3.22B
43Alexandr Wangartificial intelligence$3.21B
44Anton OsikaAI coding$3.1B
45Fabian HedinAI coding$3.1B
46Sophie Luise FielmannOptometry$3.06B
47Firoz MistryDiversified$2.92B
48Zahan MistryDiversified$2.92B
49Luana Lopes LaraPrediction markets$2.6B
50Scott WuVibe coding$2.6B
51Tarek MansourPrediction markets$2.6B
52Katharina AndresenInvestments$2.56B
53Alexandra AndresenInvestments$2.51B
54Helena DassaultInherited$2.39B
55Remi DassaultDiversified$2.39B
56Aman SangerAI software$2.32B
57Arvid LunnemarkAI software$2.32B
58Michael TruellAI software$2.32B
59Sualeh AsifAI software$2.32B
60Byunghoon KimBeauty devices$2.31B
61Yan ZhouSnacks$2.31B
62Niklas KöhlerDefense tech$2.3B
63Roy ReznikSecurity startup$2.28B
64Ed CravenOnline casino$2.25B
65Adarsh HiremathAI Software$2.2B
66Brendan FoodyAI Software$2.2B
67Surya MidhaAI Software$2.2B
68Bijan TehraniOnline casino$2.2B
69Evan SpiegelSnapchat$2.16B
70Heikki HerlinElevators, escalators$2.15B
71Aravind SrinivasArtificial intelligence $2.1B
72Denis YaratsArtificial intelligence $2.1B
73Guillermo RauchAI software$2.1B
74Fred Ehrsamcryptocurrency exchange$2.08B
75Alex BouazizHR Software$2.04B
76Shuo WangHR software$2.04B
77Taylor SwiftTaylor SwiftMusic$2.01B
78Melchior OeriPharmaceuticals$1.99B
79Eva Maria Braun-LuedickeMedical technology$1.98B
80Luigi BerlusconiMedia$1.94B
81Eric GlymanFintech$1.9B
82Gene LeeFintech$1.9B
83Karim AtiyehFintech$1.9B
84Abbas SajwaniReal estate$1.87B
85Kalen JacksonIndianapolis Colts$1.85B
86Thomas EisertElectrical Products$1.83B
87Said GutserievRetail, investments$1.82B
88Arthur MenschArtificial intelligence$1.8B
89Guillaume LampleArtificial intelligence$1.8B
90Timothée LacroixArtificial intelligence$1.8B
91Mati StaniszewskiAI voice cloning$1.75B
92Piotr DabkowskiAI voice cloning$1.75B
93Liu JingkangCameras$1.72B
94Clément DelangueAI models$1.7B
95Carla DiehlDefense, aviation$1.68B
96Konstantin DiehlDefense, aviation$1.68B
97Laura DiehlDefense, aviation$1.68B
98Ludwig Theodor BraunMedical technology$1.6B
99Kim Jung-younOnline gaming$1.58B
100Kim Jung-minOnline gaming$1.58B
101Charlotte GohPaints$1.57B
102Henrietta GohPaints$1.57B
103Johan LavooPaints$1.57B
104Martin LavooPaints$1.57B
105Victoria GohPaints$1.57B
106Bobby MurphySnapchat$1.55B
107Eduardo Voigt SchwartzIndustrial Machinery$1.55B
108Sun ChengsiMemory and storage$1.54B
109Prasanna Sankarsoftware$1.5B
110Andy Fangfood delivery app$1.5B
111Yan JunjieAI$1.47B
112David RegerRobotics$1.46B
113Alakh PandeyEdtech$1.46B
114Prateek BoobEdtech$1.46B
115Franziska WuerbserKitchen appliances$1.45B
116Lucy GuoArtificial intelligence $1.45B
117Zhao DingSnacks$1.44B
118Joseph NahmadArt$1.34B
119Yoni NahmadArt$1.34B
120Yao RunhaoOnline games$1.34B
121Wang GuanranGold mining$1.31B
122Dora Voigt de AssisIndustrial Machinery$1.24B
123Lívia Voigt de AssisIndustrial Machinery$1.24B
124Ben FrancisFitness clothing$1.23B
125Martin KlenkEnterprise software$1.18B
126Maxim TebarChainsaws$1.16B
127Vidit AatreyE-commerce$1.14B
128Lu YiwenJewelry$1.14B
129Alexander RinkeEnterprise software$1.1B
130Ekaterina FedunOil & gas$1.09B
131Catharina MühleisChainsaws$1.08B
132Andrew MacMillanCargill$1.07B
133Dylan FieldSoftware$1.07B
134Stanley Tangfood delivery app$1.06B
135Lionel MessiLionel MessiSoccer$1.06B
136Carl-Anton KunzPlumbing and heating supplies$1.03B
137Harshil MathurFintech$1.03B
138Shashank KumarFintech$1.03B
139RihannaRihannaMusic, cosmetics$1.03B
140Cesar MaklaryAI datacenter builder$1B
141Gary WuAI datacenter builder$1B
142James DacombeChipmaking startup$1B
143Jamie CoxAI datacenter builder$1B
144Shayne CoplanPolymarket$1B
145Gary Wangcryptocurrency exchange$0
146Sam Bankman-Friedcryptocurrency exchange$0

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Frequently asked questions

Who is the richest person under 40?

Mark Mateschitz (age 34) is the richest person under 40, worth $43.5 billion. Figures are Forbes' real-time estimates as of November 7, 2026.