When was Sepion Technologies founded?

Sepion Technologies was founded in 2015 and raised its 1st funding round 1 year after it was founded.

Where is Sepion Technologies located?

Sepion Technologies is headquartered in Emeryville, United States.

How many employees does Sepion Technologies have?

As of Jul 31, 2026, the latest employee count at Sepion Technologies is 24.

Is Sepion Technologies a funded company?

Sepion Technologies is a funded company, having raised a total of $28.7M across 4 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on Feb 22, 2016.

When was the latest funding round of Sepion Technologies?

Sepion Technologies' latest funding was a $***** Series B round on Apr 17, 2026, with participation from 7 investors.

Where does Sepion Technologies rank among its competitors?

Sepion Technologies ranks 3rd amongst 81 active competitors, of which 38 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was Nyobolt, which secured $60M in May, 2026.

Who are the top competitors of Sepion Technologies?

Sepion Technologies' top competitors include Group14 Technologies, Echion Technologies and Addionics. Among them, Nyobolt secured the most recent funding round in May, 2026.

Sepion Technologies - 2026 Company Profile, Team, Funding & Competitors

Sepion Technologies is a series B company based in Emeryville (United States), founded in 2015 by Brett Helms. It operates as a Developer of advanced polymer materials for high performance battery separators. Sepion Technologies has raised $28.7M in funding from Fine Structure Ventures. The company has 81 active competitors, including 38 funded and 9 that have exited. Its top competitors include companies like Group14 Technologies, Echion Technologies and Addionics.

Company Details

Developer of advanced polymer materials for high performance battery separators. These materials control molecular transport to improve ion flow and system stability within energy storage devices. The technology functions as a drop-in replacement for existing ceramic-coated separators, requiring no retooling for manufacturing lines. By stabilizing internal components, the materials enhance charging speeds, extend cycle life, and improve thermal resilience across various chemistries. The platform supports applications ranging from mobility and consumer electronics to infrastructure and resource recovery. The materials are designed for compatibility with current production equipment to facilitate integration into existing supply chains.

Website: sepiontechnologies.com
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Email ID: *****@sepiontechnologies.com
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Key Metrics

Founded Year

2015

Location

Emeryville, United States

Stage

Series B

Total Funding

$28.7M in 4 rounds

Latest Funding Round

Series B, Apr 17, 2026, $*****

Investors

Fine Structure Ventures & 19 more

Ranked

3^rd among 81 active competitors

Employee Count

24 as on Jul 31, 2026

Similar Companies

Echion Technologies & 36 more

View Sepion Technologies' full profile

Sepion Technologies is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Sepion Technologies, Inc CIN: 47-4952011 , United States, Active		-	32 (As on Dec 31, 2023)	-

Sepion Technologies has raised a total funding of $28.7M over 4 rounds. Its first funding round was on Feb 22, 2016. Its latest funding round was a Series B round on Apr 17, 2026 for $*****. 7 investors participated in its latest round. Sepion Technologies has 20 institutional investors.

Here is the list of recent funding rounds of Sepion Technologies:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Apr 17, 2026	6853228	Series B	9662404	1794680	6220957	2552766
Nov 17, 2021	1088599	Series A	3029445	8726122	6741574	Dolby Family Ventures & 12 more
Jan 10, 2019	1407629	Grant (prize money)	4836876	7178069	9869859	California Energy Commission

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View details of Sepion Technologies's funding rounds and investors

The founders of Sepion Technologies is Brett Helms.

Here are the details of Sepion Technologies' key team members:

Brett Helms: Co-Founder of Sepion Technologies.
Contact Info: 1 email address

View details of Sepion Technologies's Founder profiles and Board Members

Sepion Technologies' employee count trend

Sepion Technologies has 24 employees as of Jul 26. Here is Sepion Technologies's employee count trend over the years:

Employee count trend for Sepion Technologies

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Top competitors of Sepion Technologies include Group14 Technologies, Echion Technologies and Addionics. Here is the list of Top 10 competitors of Sepion Technologies, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Group14 Technologies 2015, Woodinville (United States), Series D	Manufacturer of advanced silicon battery for clean energy solutions	$1.16B	Amperex Technology, BASF & 26 others	66/100
2nd	Echion Technologies 2017, Sawston (United Kingdom), Series B	Manufacturer of niobium-based anode material for lithium-ion batteries and cells	$92.4M	BGF, Volta & 35 others	65/100
3rd	Sepion Technologies 2015, Emeryville (United States), Series B	Developer of advanced polymer materials for high performance battery separators	$28.7M	11.2 Capital, Motus Ventures & 18 others	64/100
4th	Addionics 2017, Tel Aviv (Israel), Series B	Manufacturer of three-dimensional current collectors designed for advanced battery performance	$69.5M	Deep Insight, boaz-schwartz.com & 43 others	64/100
5th	Nyobolt 2019, Cambridge (United Kingdom), Series C	Developer of battery technology for high-power, integrated energy systems	$161M	IQ Capital, Symbotic & 37 others	63/100
6th	Leydenjar Technologies 2016, Oegstgeest (Netherlands), Series A	Provider of silicon anode technology for lithium-ion batteries	$52.2M	APG, Invest-NL & 16 others	59/100
7th	Anaphite 2016, Bristol (United Kingdom), Series A	Developer of dry coating precursor technology for battery electrode manufacturing	$22.6M	Maniv Mobility, Bristol Private Equity Club ... & 79 others	61/100
8th	GDI 2009, Rochester (United States), Series A	Provider of silicon battery anodes for lithium-ion batteries	$46.7M	Helios Climate Ventures, European Investment Bank ... & 6 others	60/100
9th	Charge CCCV 2014, Binghamton (United States), Series A	Developer of lithium-ion battery technology for energy storage and electric mobility	$12.5M	Magnis, New York State Energy Research and Development Authority ... Read more	59/100
10th	Nouveau Monde 2011, Quebec City (Canada), Public	Developer of graphite materials for battery and clean technology applications	-	General Motors, Canadian Space Agency & 9 others	59/100