When was Kosei founded?

Kosei was founded in 2014 and raised its 1st funding round within a year of its incorporation.

Where is Kosei located?

Kosei is headquartered in Palo Alto, United States.

How many employees does Kosei have?

As of Apr 30, 2026, the latest employee count at Kosei is 8.

Is Kosei a funded company?

Kosei is a funded company, having raised a total of $***** in its 1st and only funding round, a Seed round on Jun 2014.

When was the latest funding round of Kosei?

Kosei's latest funding was a $***** Seed round on Jun 2014, with participation from 0 investor. Its primary sector is Mobile Advertising. Globally, the Mobile Advertising sector has seen $6.46M in funding in 2026 to date.

Where does Kosei rank among its competitors?

Kosei ranks 126th amongst 274 active competitors, of which 50 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was Segwise, which secured an undisclosed amount in Jul, 2024.

Who are the top competitors of Kosei?

Kosei's top competitors include Comscore, Integral Ad Science and Singular. Among them, Segwise secured the most recent funding round in July, 2024.

Kosei - 2026 Company Profile, Team, Funding & Competitors

Kosei is an acquired company based in Palo Alto (United States), founded in 2014 by Jure Leskovec and Lance Riedel. It operates as an Online platform for medical and OTC pharmaceuticals, supplies, and equipment. Kosei has raised an undisclosed amount in funding. The company has 274 active competitors, including 50 funded and 48 that have exited. Its top competitors include companies like Comscore, Integral Ad Science and Singular.

Company Details

Online platform for medical and OTC pharmaceuticals, supplies, and equipment. This B2B e-commerce site offers a wide range of medical products, including ethical drugs, over-the-counter medications, medical devices, and healthcare supplies. It serves medical institutions, dispensing pharmacies, and drugstores, providing a convenient online ordering and procurement solution. The platform offers features such as account login, cart, search, and detailed product categorization. It facilitates the online purchase of pharmaceuticals, medical equipment, and related supplies. It streamlines the procurement process for healthcare professionals, offering a comprehensive selection of products from various therapeutic areas. The platform supports efficient inventory management and order placement for medical and pharmaceutical supplies.

Website: kosei.com
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Key Metrics

Founded Year

2014

Location

Palo Alto, United States

Stage

Acquired

Latest Funding Round

Seed, Jun 2014, $*****

Investors

The Hive

Ranked

126^th among 274 active competitors

Employee Count

8 as on Apr 30, 2026

Similar Companies

Comscore & 365 more

Exit Details

Acquired by Pinterest (Jan 21, 2015)

View Kosei's full profile

Kosei got acquired by Pinterest on Jan 21, 2015.

Click here to take a look at Kosei's acquisition in detail

Kosei has raised funding over 1 round. Kosei has 1 institutional investor.

Here is the list of recent funding rounds of Kosei:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 2014	1622664	Seed	6366842	4768745	8855354	9553324

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View details of Kosei's funding rounds and investors

The founders of Kosei are Jure Leskovec and Lance Riedel.

Here are the details of Kosei's key team members:

Jure Leskovec: Co-Founder of Kosei and founder of 1 other company. They are also an angel investor in 2 startups.
Contact Info: 1 email address
Lance Riedel: Founder of Kosei and founder of 1 other company.

View details of Kosei's Founder profiles and Board Members

Kosei's employee count trend

Kosei has 8 employees as of Apr 26. Here is Kosei's employee count trend over the years:

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Top competitors of Kosei include Comscore, Integral Ad Science and Singular. Here is the list of Top 10 competitors of Kosei, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Comscore 1976, Reston (United States), Public	Provider of cross-platform audience and advertising measurement and analytics services	$87M	Adams Street Partners, Signal Peak & 21 others	73/100
2nd	Integral Ad Science 2009, New York City (United States), Acquired	AI powered ad fraud detection software	$80.8M	August Capital, Sapphire Ventures & 11 others	73/100
3rd	Singular 2014, Tel Aviv (Israel), Series B	Marketing analytics and attribution platform	$50M	Norwest, General Catalyst & 9 others	72/100
4th	data.ai 2010, San Francisco (United States), Acquired	AI based market data analysis for generating consumer insights	$157M	Greycroft, Sequoia Capital & 16 others	67/100
5th	EDO 2014, Los Angeles (United States), Series B	Platform offering campaign analytics software	$92.4M	Shamrock Capital Advisors, WGI Group & 6 others	66/100
6th	TapClicks 2011, San Jose (United States), Series A	Provider of marketing operations platform with reporting, analytics, and workflow tools	$23.5M	Boathouse Capital, IVA Ventures & 2 others	65/100
7th	IGAWorks 2006, Seoul (South Korea), Series C	Demad side advertising platform	$10.9M	SBVA, Premier Partners & 17 others	61/100
8th	MediaRadar 2006, New York City (United States), Series C	Advertising intelligence platform empowering brands, agencies, publishers, and platforms	$6.7M	Bain Capital Ventures, Endicott Group & 4 others	59/100
9th	Noogata Analytics 2018, New York (United States), Series A	AI powered ecommerce data analytics platform	$28M	Team8, Eight Roads Ventures & 5 others	58/100
10th	Segwise 2023, Lewes (United States), Seed	Provider of AI-powered creative analytics and campaign monitoring tools	$1.6M	Powerhouse Ventures, Blume Venture & 6 others	58/100
126th	Kosei 2014, Palo Alto (United States), Acquired	Online platform for medical and OTC pharmaceuticals, supplies, and equipment	-	The Hive	27/100