When was Phathom founded?

Phathom was founded in 2013 and raised its 1st funding round 13 years after it was founded.

Where is Phathom located?

Phathom is headquartered in Florham Park, United States.

How many employees does Phathom have?

As of Jun 30, 2026, the latest employee count at Phathom is 16.

Is Phathom a funded company?

Phathom is a funded company, having raised a total of $***** in its 1st and only funding round, a Seed round on Feb 05, 2026.

When was the latest funding round of Phathom?

Phathom's latest funding was a $***** Seed round on Feb 05, 2026, with participation from 3 investors. Its primary sector is Air Pollution Management Tech. In United States, the Air Pollution Management Tech sector has seen $495M in funding in 2026 to date.

Where does Phathom rank among its competitors?

Phathom ranks 7th amongst 23 active competitors, of which 8 are funded. It stands 6th in terms of total funding among its competitors. The most recent competitor to raise funding was Phathom, which secured $4M in Feb, 2026.

Who are the top competitors of Phathom?

Phathom's top competitors include Terradot, Alt Carbon and Eion. Among them, Phathom secured the most recent funding round in February, 2026.

Phathom - 2026 Company Profile, Funding & Competitors

Phathom is a seed company based in Florham Park (United States), founded in 2013. It operates as a Developer of carbon dioxide removal technology using bioenergy and ocean storage. Phathom has raised $12M in funding from Propeller. The company has 23 active competitors, including 8 funded and 1 that has exited. Its top competitors include companies like Terradot, Alt Carbon and Eion.

Company Details

Developer of carbon dioxide removal technology using bioenergy and ocean storage. The technology accelerates nature’s carbon cycle by capturing carbon dioxide, dissolving it in seawater, and neutralizing it with limestone. This process creates durable ocean carbon storage. The company’s process documents each stage, from biomass sourcing to carbon sequestration, ensuring traceable credits.

Key Metrics

Founded Year

2013

Location

Florham Park, United States

Stage

Seed

Total Funding

$12M in 1 round

Latest Funding Round

Seed, Feb 05, 2026, $*****

Investors

Propeller & 3 more

Ranked

7^th among 23 active competitors

Employee Count

16 as on Jun 30, 2026

Similar Companies

Terradot & 22 more

View Phathom's full profile

Phathom has raised a total funding of $12M over 1 round. Its latest funding round was a Seed round on Feb 05, 2026 for $*****. 3 investors participated in its latest round. Phathom has 4 institutional investors.

Here is the list of recent funding rounds of Phathom:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Feb 05, 2026	4226797	Seed	4188546	8793010	6141842	5799374

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View details of Phathom's funding rounds and investors

Phathom's employee count trend

Phathom has 16 employees as of Jun 26. Here is Phathom's employee count trend over the years:

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Top competitors of Phathom include Terradot, Alt Carbon and Eion. Here is the list of Top 10 competitors of Phathom, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Terradot 2023, Stanford (United States), Series A	Technology solution for carbon removal	$58.2M	Floodgate, Kleiner Perkins & 15 others	63/100
2nd	Alt Carbon 2023, Bengaluru (India), Seed	Provider of carbon dioxide removal services through enhanced rock weathering	$12.6M	Angel List, Shastra & 15 others	53/100
3rd	Eion 2021, Princeton (United States), Acquired	Provider of enhanced weathering carbon removal solutions for agriculture. It uses specialized rocks to accelerate the Earth's natural CO2 storage process. These minerals are pulverized and applied to farmland, permanently capturing CO2 while improving soil health and fitting seamlessly into existing agricultural practices. The company's patented measurement approach ensures reliable, scalable carbon removal, delivering verifiable results. This approach offers a sustainable solution for carbon sequestration and creates economic benefits for rural communities.	$12M	AgFunder, Ridgeline & 8 others	51/100
4th	4401 Earth 2020, London (United Kingdom), Series A	Provider of accelerated mineralisation process for permanent carbon dioxide removal	$62.7M	Sumitomo, Salica Investments & 33 others	50/100
5th	Lithos Carbon 2022, San Francisco (United States), Series A	Provider of carbon dioxide removal through enhanced rock weathering on farms	$63.4M	Bain Capital Ventures, Greylock Partners & 8 others	48/100
6th	InPlanet 2022, Munich (Germany), Series A	Developer of carbon removal projects	$5.84M	Salvia, FoodLabs & 5 others	46/100
7th	Phathom 2013, Florham Park (United States), Seed	Developer of carbon dioxide removal technology using bioenergy and ocean storage	$12M	New Brunswick Innovation Foundation, Propeller ... & 2 others	43/100
8th	Everest Carbon 2022, San Francisco (United States), Seed	Provider of carbon removal solution	$3M	Carbon Removal Partners, Ponderosa Ventures ... & 1 others	37/100
9th	Cascade Climate 2007, Somerville (United States), Unfunded	Technology solution for CO2 removal	-	-	36/100
10th	Mati 2022, Houston (United States), Funding Raised	Provider of enhanced rock weathering solutions for carbon removal and agriculture	-	J P Morgan	35/100