When was Siren founded?

Siren was founded in 2015 and raised its 1st funding round within a year of its incorporation.

Where is Siren located?

Siren is headquartered in San Francisco, United States.

Who is the current CEO of Siren?

Ran Ma of Siren. They have also founded 1 company.

How many employees does Siren have?

As of Jul 31, 2026, the latest employee count at Siren is 28.

Is Siren a funded company?

Siren is a funded company, having raised a total of $43M across 13 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on Jun 03, 2015.

When was the latest funding round of Siren?

Siren's latest funding was a $***** Series B round on Jan 08, 2025, with participation from 1 investor.

Where does Siren rank among its competitors?

Siren ranks 3rd amongst 28 active competitors, of which 8 are funded. It stands 3rd in terms of total funding among its competitors. The most recent competitor to raise funding was Siren, which secured $9.5M in Jan, 2025.

Who are the top competitors of Siren?

Siren's top competitors include Trice Medical, Orpyx and Reapplix. Among them, Siren secured the most recent funding round in January, 2025.

Siren - 2026 Company Profile, Team, Funding & Competitors

Siren is a series B company based in San Francisco (United States), founded in 2015 by Ran Ma, Henk Jan Scholten and Jie Fu. It operates as a Provides smart socks for preventing diabetic foot ulcers. Siren has raised $43M in funding from investors like Founders Fund, DCM Ventures and Liquid 2 Ventures. The company has 28 active competitors, including 8 funded and 2 that have exited. Its top competitors include companies like Trice Medical, Orpyx and Reapplix.

Company Details

Sirencare provides smart socks for preventing diabetic foot ulcers. The sock is embedded with a sensor that tracks foot temperature and issues related to inflammation. It comes with a companion app, that sends notifications to the user & doctor on signs of inflammation. To ensure accuracy, the user receives a new shipment of socks to replace the current supply every six months.

Website: www.siren.care/
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Key Metrics

Founded Year

2015

Location

San Francisco, United States

Stage

Series B

Total Funding

$43M in 13 rounds

Latest Funding Round

Series B, Jan 08, 2025, $*****

Investors

Founders Fund & 23 more

Ranked

3^rd among 28 active competitors

Employee Count

28 as on Jul 31, 2026

Similar Companies

Trice Medical & 38 more

View Siren's full profile

Siren is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Siren Care Denmark IVS CIN: 36996307 , Denmark, Active		-	-

Siren has raised a total funding of $43M over 13 rounds. Its first funding round was on Jun 03, 2015. Its latest funding round was a Series B round on Jan 08, 2025 for $*****. 1 investor participated in its latest round. Siren has 23 institutional investors and 1 angel investor.

Here is the list of recent funding rounds of Siren:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jan 08, 2025	5149447	Series B	6512217	1986739	2071525	4124985
Sep 30, 2020	1915518	Series B	1073443	8285083	5569605	David Helgason
May 27, 2020	3273832	Series B	5338986	8606846	Aloft VC	Khosla Ventures & 2 more

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View details of Siren's funding rounds and investors

The founders of Siren are Ran Ma, Henk Jan Scholten and Jie Fu. Ran Ma is the CEO of Siren.

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

Ran Ma: Co-Founder & CEO of Siren.
Contact Info: 1 email address
Henk Jan Scholten: Co-Founder & COO of Siren.
Contact Info: 1 email address
Jie Fu: Co-Founder of Siren.
Contact Info: 1 email address

View details of Siren's Founder profiles and Board Members

Siren's employee count trend

Siren has 28 employees as of Jul 26. Here is Siren's employee count trend over the years:

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Top competitors of Siren include Trice Medical, Orpyx and Reapplix. Here is the list of Top 10 competitors of Siren, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Trice Medical 2012, King Of Prussia (United States), Series D	Minimally invasive solutions for orthopedic and podiatric procedures, improving patient outcomes	$85.5M	Health Quest Capital, Charter Capital Partners ... & 9 others	63/100
2nd	Orpyx 2010, Calgary (Canada), Series B	Wearable devices for neuropathy patients and athletes	$38.5M	Perceptive Advisors, Anges Quebec & 7 others	51/100
3rd	Siren 2015, San Francisco (United States), Series B	Provides smart socks for preventing diabetic foot ulcers	$43M	DCM Ventures, Founders Fund & 22 others	45/100
4th	Reapplix 2008, Rudersdal (Denmark), Series B	Developer of patch system for wound healing	$52.4M	Seed Capital, Novo Holdings & 8 others	44/100
5th	Mynerva 2023, Zurich (Switzerland), Funding Raised	Provider of an AI supported device to treat diabetic neuropathy	-	Future of Health	39/100
6th	FeetWings 2020, San Francisco (United States), Seed	Wearable device for diabetes management	$148K	SucSEED Indovation, Elina Investment & 14 others	36/100
7th	Diabetic Foot Care 1990, Chennai (India), Deadpooled	Diabetic foot care products	-	-	36/100
8th	GlucoVibes 2019, Gipuzkoa (Spain), Seed	Provider of personalized solutions for fitness and wellness	-	-	30/100
9th	Results Group 2008, United States, Funding Raised	Manufacturer of device for preventing diabetic foot ulcer and diabetic retinopathy	-	National Science Foundation, HHS	29/100
10th	MR3Health 2015, San Antonio (United States), Public	Provider of monitoring services to health insurers for diabetic neuropathy patients	$1.49M	-	29/100