SidelineSwap
PrivateLast Round
Strategic
May 4, 2023
Total Funding Raised
$9.02M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
SidelineSwap operates in Consumer & Commerce and is based in Boston, Massachusetts. Its latest recorded funding round was a Strategic round in May 2023.
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
Historical Pricing
Historical view of private secondary pricing and transaction trends.
SidelineSwap Comparables
Compare SidelineSwap with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Elshair Companies | 77% | |
| Isella Outdoor | 68% | |
| Winmark Corporation | 65% |
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SidelineSwap Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Strategic | May 4, 2023 | ||||
| Strategic | Nov 1, 2022 | ||||
| Series A | Apr 24, 2018 | ||||
| Seed | Oct 11, 2017 | ||||
| Seed | Oct 4, 2016 | ||||
Angel | Sep 1, 2014 |
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Key People
Founding team and executive leadership
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SidelineSwap Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Global Founders Capital | Seed, Series A |
| 500 Global | Seed |
| DSG Ventures | Strategic |
| 645 Ventures | Seed |
| Haystack Partners | Seed |
| PEAK6 Investments | Series A |
| PEAK6 Sports | Series A |
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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.
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SidelineSwap Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about SidelineSwap's valuation, stock price, and market status.
Is SidelineSwap a public or private company?
SidelineSwap is a private company.
What is the current stock price of SidelineSwap?
SidelineSwap is a private company, so its shares have no public market price. Caplight tracks SidelineSwap's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is SidelineSwap worth (valuation)?
Valuation information for SidelineSwap is not publicly available.
Can I buy SidelineSwap stock?
SidelineSwap shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was SidelineSwap's last funding round?
SidelineSwap's most recent funding round was Strategic on May 4, 2023.
Who are the main investors in SidelineSwap?
Key investors in SidelineSwap include Global Founders Capital, DSG Ventures.
Will SidelineSwap IPO soon?
No public IPO plans have been announced for SidelineSwap.
How can I track SidelineSwap secondary market activity?
Caplight tracks bids, offers, and trades in SidelineSwap's shares on secondary markets.