About Sleeper
Sleeper is a Media & Entertainment company based in San Francisco (United States) founded in 2015 by Weixi Yen, Ken Wang, and Nan Wang. An app-based platform for fantasy sports leagues is offered. Sleeper has raised $107.3 million across 5 funding rounds from investors including Andreessen Horowitz, Klay Thompson and Shane Battier. Its chief executive, as recorded, is Nan Wang. Its website sleeper.com draws about 2.2 million monthly visits. Sleeper offers products and services including Fantasy Football, Fantasy Basketball, Bracket Mania, and Mock Drafts. Its focus areas include Consumer, Sports Tech, Fantasy Sports and Online Platforms. Its legal entity is Blitz Studios, Inc. Its competitors include DraftKings, FanDuel and GreenPark Sports; 3 of its 3 listed competitors have raised funding.
Company details
Founded in 2015 and headquartered in San Francisco, United States, Sleeper operates as a provider of an app-based fantasy sports platform. Leagues for football, basketball, and esports are supported, with availability on Android and iOS devices. In-app chat functionality is included for user communication. The service focuses on multi-sport fantasy engagement within the sports technology sector.
- Headquarters San Francisco, United States
- Founders Weixi Yen, Ken Wang, Nan Wang
- SectorsMedia & Entertainment
- Website category Sports · Fantasy Sports
- Website sleeper.com
- Social LinkedIn X Facebook Instagram
- Legal Name Blitz Studios, Inc.
- Total Equity Funding$107.3M (USD)
in 5 rounds
- Latest Funding Round$40M (USD), Series C
Sep 2021
- InvestorsAndreessen Horowitz
& 11 more
Products & Services of Sleeper
Sleeper offers a comprehensive portfolio of products and services, including Fantasy Football, Fantasy Basketball, Bracket Mania, and Mock Drafts.
App for drafting and playing fantasy football leagues
Platform for fantasy basketball drafts and competitions
Tool for bracket predictions in sports events
Feature for simulating fantasy sports drafts
Apps and channels of Sleeper
Sleeper publishes 1 mobile app with over 1M+ downloads.
Funding Insights of Sleeper
Sleeper has successfully raised a total of $107.3M across 5 strategic funding rounds. The most recent funding activity was a Series C round of $40 million completed in September 2021. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $107.3M
- Total Rounds 5
- Last Round Series C — $40M
- First Round $2M
(Aug 2017)
- Investors Count 12
All 5 funding rounds of Sleeper with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Sep 2021 | $40M | Series C | – | – | |
| Sep 2021 | $40M | Series C | – | – | – |
| May 2020 | $20M | Series B | – | – | |
| Oct 2018 | $5.3M | Series A | – | – | |
| Aug 2017 | $2M | Seed | – | – |
12 investors in total: 3 institutional and 9 angel.
Investors in Sleeper
Sleeper has secured backing from 12 investors, including angel and venture fund investors. Prominent investors backing the company include Andreessen Horowitz, Klay Thompson and Shane Battier.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital investments in technology sectors are handled by Andreessen Horowitz. | a16z.com | |||
Investment and transformation services for entrepreneurs in technology and finance sectors. | generalcatalyst.com | |||
US focused early-stage VC firm investing in tech & life sciences start-ups | birchmerevc.com | Pittsburgh, United States | ||
AH Andreessen Horowitz | unknown_c437fa94a9ef442c9 | |||
KT Klay Thompson | unknown_8aca088841cc40878 | |||
SB Shane Battier | unknown_949db2d5d88c4a8db | |||
BD Baron Davis | unknown_69c7e7e1ac2647008 | |||
BJ Byron Jones | unknown_f3fdbda8e3374a88a | |||
KL Kevin Lin | Angel investor, co-founder of Twitch, active in gaming and tech startups | unknown_0e9ab47c21554186a | ||
TC Tim Chen | Indian angel investor, active in tech startups, limited public data available. | unknown_d3d2e253b06144e0a |
Investor details for Sleeper
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Sleeper
22 people are tracked at Sleeper (11 in leadership, 11 in team).
| Name | Role | Group |
|---|---|---|
Weixi Yen | Co-Founder | Leadership |
Ken Wang | Co-Founder | Leadership |
Nan Wang | Co-Founder & CEO | Leadership |
Jordan Gropper | Director Of Business Development | Leadership |
Eric Kim | VP | Leadership |
Sunny Yen | VP of Product Design | Leadership |
Tim Janke | Director of Finance, Compliance Officer | Leadership |
William Ng | Director Of Product Design | Leadership |
Julien Dulioust | Head Of Football | Leadership |
Damon Mercadante | Head Of Growth | Leadership |
Matthew Hagerty | Director Of Legal Affairs | Leadership |
Mike Aprile | Content Creator & Brand Affiliate | Team |
Aiden Thurston | UX Researcher | Team |
Curtis Fang | Senior Customer Success Specialist | Team |
Amanda L. | HR Manager | Team |
Nurudeen M. | Motion Designer | Team |
Jeannie Davis | Customer Success Manager | Team |
Tyler Kung | Senior Product Designer | Team |
Kevin Freiheit | Customer Support | Team |
Roz Hajian | Performance Marketing Lead | Team |
2 more people are available in the full profile.
Complete people profiles for Sleeper
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Sleeper
3 dated milestones of Sleeper across 6 years, from founding to its latest funding, stage changes and deals.
- Founded Sleeper is founded.
- Funding First funding round of $2.0M.
- Funding Latest funding round, Series C, of $40.0M.
Competitors of Sleeper
Sleeper has 3 listed competitors in our database, 3 of them funded. They include DraftKings, FanDuel and GreenPark Sports.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| draftkings.com | 2012 | Boston, United States | $718.6M | 1,974 | Online fantasy sports platforms are provided for multiple sports. | |
| fanduel.com | 2009 | New York, United States | $416.2M | Developer of a fantasy platform for multiple sports | ||
| greenparksports.com | 2018 | Burlingame, United States | $67.91M | 62 | Provider of a mobile app for multiple fantasy sports |
Detailed competitors of Sleeper
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Sleeper
The website of Sleeper (sleeper.com) receives about 2.2M visits a month and ranks #5,697 among all websites worldwide, #182 in Fantasy Sports.
- Monthly visits2.2M
▼ 76.4% vs previous month
- Unique visitors851.4K
per month
- Global rank#5,697
among all websites
- Category rank#182
Sports · Fantasy Sports
- Bounce rate32%
- Pages per visit6.2
- Average visit6 min 29 sec
- DevicesDesktop 92% · Mobile 8%
Websites whose visitors overlap most with Sleeper. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| keeptradecut.com | 100% | #43,614 | View details | ||
flockfantasy.com | flockfantasy.com | 95% | #305,353 | – | |
| draftsharks.com | 94% | #91,154 | View details | ||
dynasty-daddy.com | dynasty-daddy.com | 92% | #133,177 | – | |
fantasycalc.com | fantasycalc.com | 91% | #294,440 | – | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 40 similar websites and full traffic analytics for Sleeper
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Sports Technology Platforms
3 companies that operate in the same segment as Sleeper (Sports Technology Platforms) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Subscription-based platform for streaming soccer content is offered. | 2015 | New York, New York, United States | USD 154.63 M | USD 1.62 B | 590 | |
Developer of a fantasy platform for multiple sports | 2009 | New York, New York, United States | USD 416.2 M | 4,115 | ||
Subscription-based social networking platform for runners and cyclists | 2009 | San Francisco, California, United States | USD 180 M | 999 |
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Related news about Sleeper
Complete news archive for Sleeper
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- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
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Frequently Asked Questions about Sleeper
Sleeper was founded in 2015 and raised its 1st funding round 2 years after it was founded.
Sleeper is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.
Nan Wang is the CEO of Sleeper, as recorded in our data. They have also founded this company.
Sleeper is a funded company, having raised a total of $107.3M across 5 funding rounds to date. The company's 1st funding round was a Seed of $2M, raised on Aug 2017.
Founded in 2015 and headquartered in San Francisco, United States, Sleeper operates as a provider of an app-based fantasy sports platform. Leagues for football, basketball, and esports are supported, with availability on Android and iOS devices. In-app chat functionality is included for user communication. The service focuses on multi-sport fantasy engagement within the sports technology sector.
Sleeper's top competitors include FanDuel, DraftKings and GreenPark Sports.
Sleeper offers Fantasy Football, Fantasy Basketball, Bracket Mania, and Mock Drafts.
Sleeper has 12 investors. Key investors include Andreessen Horowitz, Klay Thompson, Shane Battier, Baron Davis, and Byron Jones.
Sleeper operates through Blitz Studios, Inc..
Yes. Sleeper publishes Sleeper Fantasy Sports, with over 1 million downloads.
The website of Sleeper receives about 2.2 million visits a month and ranks #5,697 among all websites worldwide.