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SidelineSwap

SidelineSwap

Private
Boston, MassachusettsConsumer & Commercehttps://sidelineswap.com/

Last Round

Strategic

May 4, 2023

Total Funding Raised

$9.02M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

SidelineSwap is a retail company that operates an online marketplace for athletes to buy, sell, and trade new and used sports equipment and apparel.

Sector

Consumer & Commerce

Verticals

E-commerce, Circular Economy, Sports & Fitness

Business Model

B2C

Customer Profile

Marketplace Commission, Payment Processing Fee

AI Layer

Application

Keywords

sporting goods marketplaceused sports gearresale marketplacecircular commercerecommercetrade-in programathletic equipmentpeer-to-peer marketplaceC2C marketplaceB2B2Csecondhand sportsonline consignmentsports gear trade-inmarketplace commissione-commerce platform

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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SidelineSwap Comparables

Compare SidelineSwap with similar companies based on industry and business-model similarity.

SidelineSwap comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Elshair Companies
77%
Isella Outdoor
68%
Winmark Corporation
65%

SidelineSwap Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicMay 4, 2023
StrategicNov 1, 2022
Series AApr 24, 2018
SeedOct 11, 2017
SeedOct 4, 2016
Angel
Sep 1, 2014

Key People

Founding team and executive leadership

Brendan Candon

Cofounder, CEO

Founding Team

Alex Goldman

COO CFO

Executive Team

SidelineSwap Investors

Notable investors and investment history

SidelineSwap investors
InvestorRounds
Global Founders CapitalSeed, Series A
500 GlobalSeed
DSG VenturesStrategic
645 VenturesSeed
Haystack PartnersSeed
PEAK6 InvestmentsSeries A
PEAK6 SportsSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Nov 21, 2025

    Partnered with Dick's Sporting Goods for a new trade-in program.

  • Nov 21, 2025

    Named one of the fastest-growing marketplaces on A16z's Top 100 list.

SidelineSwap Filings

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SidelineSwap filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about SidelineSwap's valuation, stock price, and market status.

Is Sideline Swap a public or private company?

Sideline Swap is a private company.

What is the current stock price of Sideline Swap?

Sideline Swap is a private company with no public stock price. No recent secondary market data is available.

How much is Sideline Swap worth (valuation)?

Valuation information for Sideline Swap is not publicly available.

Can I buy Sideline Swap stock?

Sideline Swap shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Sideline Swap's last funding round?

Sideline Swap's most recent funding round was Strategic on May 4, 2023.

Who are the main investors in Sideline Swap?

Key investors in Sideline Swap include Global Founders Capital, DSG Ventures.

Will Sideline Swap IPO soon?

No public IPO plans have been announced for Sideline Swap.

How can I track Sideline Swap secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Sideline Swap's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersBoston, Massachusetts
Employee Range51
Year Founded2015
Last FundingMay 4, 2023

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