Sid Bass vs Thomas Siebel: who is richer?
Sid Bass is richer, with a net worth of $4.58 billion versus Thomas Siebel's $4.57 billion — a gap of $10.82 million, or 1.00 times as much (as of November 7, 2026).
Sid Bass
Source of wealth: Oil, investments
$4.58B
Made since you opened this page: $0.00
Thomas Siebel
Source of wealth: Business software
$4.57B
Made since you opened this page: $0.00
Side-by-side
| Sid Bass | Thomas Siebel | |
|---|---|---|
| Net worth | $4.58B | $4.57B |
| World rank | #933 | #935 |
| Makes per second | $19.36 | $9.25 |
| Makes per day | $1.67M | $799,625 |
| Today | +$5.45M | +$7.94M |
| Source of wealth | Oil, investments | Business software |
| Age | 84 | 73 |
| Country | United States | United States |
Net worth by year
| Year | Sid Bass | Thomas Siebel |
|---|---|---|
| 2026 | $4.3B | $3.9B |
| 2025 | $3.6B | $4.1B |
| 2024 | $3.8B | $3.9B |
| 2023 | $4B | $3.5B |
| 2022 | $3.4B | $3.5B |
| 2021 | $2.9B | $4.9B |
| 2020 | $1.9B | $3.6B |
| 2019 | $3.2B | $2.9B |
| 2018 | $3.3B | $2.9B |
| 2017 | $2.8B | $2.5B |
| 2016 | $1.8B | $2.2B |
| 2015 | $1.7B | $2.3B |
Frequently asked questions
Who is richer, Sid Bass or Thomas Siebel?
Sid Bass is richer, worth $4.58 billion compared with Thomas Siebel's $4.57 billion. The difference is $10.82 million.
Who makes more per second, Sid Bass or Thomas Siebel?
Sid Bass makes more: about $19.36 per second versus $9.25. Per day that's $1.67M vs $799,625.
How many times richer is Sid Bass than Thomas Siebel?
Sid Bass has about 1.00 times Thomas Siebel's net worth.