In just over nine months, the five wealthiest tech billionaires have collectively added a staggering $222.3 billion to their fortunes—a 30.2% surge in their combined net worth from March 8, 2024, to the end of 2024. These American titans of tech owe their windfall to the rapid growth of their companies, which are spearheading breakthroughs in artificial intelligence, cloud computing, and mobile technologies.
The global IT sector has been on a similar trajectory. According to the Business Research Company, the market expanded from $8.5 trillion in 2023 to $9 trillion in 2024, reflecting a robust compound annual growth rate of 6.2%. Driving this surge are innovations in personal computing, increased internet penetration, the rise of mobile-first solutions, software development advancements, open-source technologies, and heightened focus on cybersecurity.
Here’s a closer look at the top five tech billionaires, their companies’ stellar performance, and their net worths as of December 31, 3024.
1. Jeff Bezos
General rank: 2
Company: Amazon
Net worth: $235.2 billion
Increase since March 8: $41.2 billionBezos has been chairman since he founded Amazon in 1994. Prior to becoming executive chairman in 2021, he served as CEO from 1996 to 2021. In the first nine months of 2024, the company reported 11.2% in net sales, reaching $450.2 billion. Its Amazon Web Services (AWS) segment also saw a robust 18.4% year-over-year growth, hitting $78.8 billion in sales. AWS introduced new foundation models through Amazon Bedrock and Amazon SageMaker, featuring offerings such as AI21 Labs’ Jamba 1.5, Anthropic’s Claude 3.5 Sonnet, and Meta’s Llama 3.2.
To further bolster its AI initiatives, AWS launched the Generative AI Partner Innovation Alliance in November 2024, aimed at expanding the reach of its Generative AI Innovation Center to help customers develop and deploy AI-driven solutions.
As of April 2024, Bezos holds a 10.8% stake in Amazon. However, Forbes reported that he sold $8.2 billion worth of Amazon shares between January and September 2024. Amazon’s market cap stood at $2.3 trillion as of December 31, 2024, marking a 26.7% increase from March 8, 2024.
2. Larry Ellison
General rank: 3
Company: Oracle
Net worth: $210.6 billion
Increase since March 8: $69.6 billion
Images/AFP / Getty Images via AFP / GETTY IMAGES NORTH AMERICA / JUSTIN SULLIVAN
At 80, Ellison has seen his fortune swell by $69.6 billion since March 8, buoyed by Oracle’s remarkable performance. The company’s market cap surged by 50.8% since March 8, 2024, reaching $466 billion as of December 31, 2024. As Oracle’s cofounder, chairman, and CTO, Ellison remains at the forefront of its innovations and holds a 41.6% stake in the company as of September 2024.
Oracle’s financial year 2025 Q2 results, ending November 2024, showcased a net profit of $3.2 billion—a 26% year-on-year increase. Its Cloud Infrastructure (IaaS) revenue soared by 52%, driven by unprecedented AI demand. GPU consumption skyrocketed by 336%, attributed to the training of generative AI models and the operation of Oracle’s cutting-edge AI SuperComputer, which scales up to 65,000 NVIDIA H200 GPUs, making it the world’s largest and fastest AI supercomputer, according to the company.
3. Mark Zuckerberg
General rank: 4
Company: Meta
Net worth: $204.4 billion
Increase since March 8: $27.4 billion 
Photo by JIJI PRESS / AFP
Zuckerberg, founder, chairman, and CEO of Meta, has added $27.4 billion to his fortune since March 8, making 2024 a milestone year as his net worth reached high levels and surpassed $200 billion . As of April 2024, Zuckerberg owns about 13% of Meta, solidifying his position as the fourth richest person globally, according to Forbes.
Forbes also reported that he reduced his stakes, to the tune of $940 million in sales between January and September 2024
Meta recorded a $41.5 billion net profit during the first nine months of 2024—a staggering 65.6% year-on-year increase. In April, the company launched an upgraded version of its Meta AI assistant powered by Meta Llama 3. This AI is seamlessly integrated across Meta’s ecosystem of apps, including Facebook, Instagram, WhatsApp, and Messenger, enhancing user experiences and task efficiency. Since March 8, Meta’s market cap has climbed from $1.3 trillion to $1.5 trillion as of December 31, reinforcing its dominance in the tech landscape.
4. Larry Page
General rank: 6
Company: Alphabet
Net worth: $157.6 billion
Increase since March 8: $43.6 billion
Photo by Kimberly White / GETTY IMAGES NORTH AMERICA / Getty Images via AFP
Page has risen four places to become the sixth richest person, gaining $43.6 billion since March 8. As the cofounder of Google, which he launched with Sergey Brin in 1998, both played a transformative role in shaping the internet age.
The 51-year-old billionaire served as Google’s CEO until 2001, then again from 2011 until 2015, when Alphabet was formed as Google’s parent company. Page stepped down as Alphabet’s CEO in 2019 but continues to influence the company as a board member and controlling shareholder. Alphabet’s market cap surged by $645.2 billion since March 8, reaching $2.3 trillion by December 31, driven by robust growth in its core businesses.
5. Sergey Brin
General rank: 7
Company: Alphabet
Net worth: $150.5 billion
Increase since March 8: $40.5 billion
Photo by Kelly Sullivan / GETTY IMAGES NORTH AMERICA / Getty Images via AFP
Brin, the cofounder of Google, has seen his fortune grow by $40.5 billion since March 8, bringing his net worth to $150.5 billion as of December 31, 2024. The Russian-born tech mogul, who helped take Google public in 2004 alongside Larry Page and later oversaw its transition to Alphabet in 2015, climbed four spots to become the world’s seventh richest person.
Although Brin stepped down as president of Alphabet in December 2019, he remains actively involved as a board member and controlling shareholder. In the first nine months of 2024, Google’s parent company, Alphabet’s revenues increased by 14.7% year-on-year to reach $222.1 billion. Beyond Alphabet, Brin continues to invest in innovative ventures. In February 2024, he backed 280 Earth, a carbon capture startup leveraging industrial waste heat, following his $250 million investment in LTA Research.
