Nine months before the first sock
The founding detail that matters is the delay. Agranoff did not see an expensive product and immediately start selling a cheaper one. He spent nine months working out how patterned socks are actually printed, then raised $3,000 from his parents to buy the means to do it himself.
That sequence put manufacturing inside the company from the start. HoopSwagg sold customised socks printed to order, and by the time Entrepreneur profiled him in August 2018 the catalogue ran to 700 original patterns. The magazine reported 20 employees and revenue on track for $1.6 million that year.
Oregon, and the shadow of Nike
Entrepreneur noted where this happened: Oregon, near Nike's headquarters, in a state whose athletic-apparel industry is the largest in the country. Growing up beside it does not confer expertise, but it does make the economics of branded sportswear visible at close range, including the gap between what a printed sock costs to produce and what it sells for.
The $40 price that annoyed him is the whole thesis in one number. His company was built on the proposition that the premium attached to a pattern was larger than the cost of printing one.
From socks to pets
By 2018 Agranoff had launched a second business on the same machinery: PetParty, which printed customers' pet photographs onto socks. The logic was the production line rather than the product. Once a company can print a custom image onto fabric and ship a single pair, the category it sells into becomes a marketing decision.
He put the idea plainly to Entrepreneur: “The concept of quick-turnaround, customized products is where I see the industry heading.” That is a claim about manufacturing rather than about socks, and it explains why a teenage sock company kept hiring.
Where Brennan Agranoff is now
The last documented position is August 2018. Agranoff was 18, deferring college to expand the business, running a 20-person company with a second brand already launched.
Nothing in the sources used here records what happened to HoopSwagg or PetParty after that, whether he later enrolled in college, or what he personally earned. Net worth figures for him that circulate online are aggregator estimates, not disclosures, and none is supported by the reporting used on this page.
Why the $3,000 matters more than the $1.6 million
The revenue figure is the one that travels, but the loan is the more instructive number. A teenager cannot ordinarily obtain business credit, sign a commercial lease or hold a merchant account, which is why the overwhelming majority of school-age ventures stay at the lemonade-stand scale. Agranoff's $3,000 came from his parents, and the reporting describes a family that treated the request as a business proposition.
The second constraint is time. A print-to-order business is an operations job: orders arrive continuously, machines jam, shipping deadlines do not respect a school timetable. Reaching 20 employees by 18 means the founder had already made the transition from doing the work to managing people who do it, which is the step most teenage ventures never take, and the reason this one was still growing when the coverage stopped.
Watch: Brennan Agranoff on camera
| Person | Country | Milestone | Age / Stat |
|---|---|---|---|
| Brennan Agranoff | United States | Founding custom sock brand HoopSwagg at 13 | Age 13 |
| Rachel Zietz | United States | Founding Gladiator Lacrosse at 13 | Age 13 |
| Abby Kircher | United States | Founding Abby's Better nut butters at 15 | Age 15 |
| Noa Mintz | United States | At sixteen she was placing nannies with families in Manhattan and the Hamp | Age 16 |
| Benjamin Stern | United States | One wash, one ball, no bottle. He was seventeen when Fortune put it on the | Age 17 |
What is documented — and what is not
✓ Documented
- Launched HoopSwagg at 13 after nine months researching printing, with $3,000 from his parents (Entrepreneur)
- 700 original patterns, 20 employees and $1.6 million projected revenue in 2018 (Entrepreneur)
- Launched a second brand, PetParty, and deferred college (Entrepreneur)
? Unverified, disputed or wrong
- No date of birth or exact home town published
- No company figures or status reported after 2018
- No verified personal net worth
Questions people ask about Brennan Agranoff
How old is Brennan Agranoff?
Entrepreneur described him as 18 in August 2018, placing his birth around 2000. No exact date of birth is published.
What is HoopSwagg?
A custom-printed sock brand Agranoff founded at 13 in Oregon. By 2018 it offered 700 original patterns and employed 20 people.
How did Brennan Agranoff start HoopSwagg?
He researched printing processes for nine months, then borrowed $3,000 from his parents to buy equipment and start production.
How much money does HoopSwagg make?
Entrepreneur reported the company was on track for $1.6 million in revenue in 2018. No later figure appears in the sources used here.
What is Brennan Agranoff's net worth?
No credible source states one. Revenue is not the same as personal wealth, and the online figures are aggregator estimates.
What is PetParty?
A second company he launched by 2018, printing customers' pet images onto socks using the same production approach.
Did Brennan Agranoff go to college?
He was deferring college in 2018 to focus on the business. Nothing in the sources used here records a later decision.
Is Brennan Agranoff on Wikipedia?
No Wikipedia article on him was found. His record rests on business-press coverage.
Quick quiz: how well do you know Brennan’s story?
How old was Brennan Agranoff when he founded HoopSwagg?
How much did his parents lend him to start?
What was his second company?
Sources
- Meet the New Bosses: How These Entrepreneurs Under 20 Are Changing Industries — Entrepreneur, 2018-08-14
Checked by the Geniuses.club editorial team. Ages are given as of September 2026.
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