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BillionaireTracker

Seth Boro vs Susan Alfond: who is richer?

Seth Boro is richer, with a net worth of $3.87 billion versus Susan Alfond's $3.86 billion — a gap of $11.68 million, or 1.00 times as much (as of November 7, 2026).

Seth Boro

Source of wealth: Private equity

$3.87B

Made since you opened this page: $0.00

Susan Alfond

Source of wealth: Shoes

$3.86B

Made since you opened this page: $0.00

Side-by-side

Seth BoroSusan Alfond
Net worth$3.87B$3.86B
World rank#1090#1092
Makes per second$3.34$7.07
Makes per day$288,809$610,683
Today$0−$276,100
Source of wealthPrivate equityShoes
Age5181
CountryUnited StatesUnited States

Net worth by year

YearSeth BoroSusan Alfond
2026$4.9B$3.5B
2025$3.7B$3.5B
2024$3.3B$3.1B
2023—$2.5B
2022—$2.8B
2021—$2.3B
2020—$1.4B
2019—$1.6B
2018—$1.5B
2017—$1.4B
2016—$1.1B

Frequently asked questions

Who is richer, Seth Boro or Susan Alfond?

Seth Boro is richer, worth $3.87 billion compared with Susan Alfond's $3.86 billion. The difference is $11.68 million.

Who makes more per second, Seth Boro or Susan Alfond?

Susan Alfond makes more: about $7.07 per second versus $3.34. Per day that's $610,683 vs $288,809.

How many times richer is Seth Boro than Susan Alfond?

Seth Boro has about 1.00 times Susan Alfond's net worth.