Overview
News
Salaries
Products
People
Growth
Offices
Financials

Funding and backers

Total raised
$6.7M
2 rounds on record
Latest round
$4M
Seed · Feb 2026 · 7 mo ago
Team
4
US Form 5500 (plan participants) · Dec 2025
The money's age
Fresh money
7 months since the last round · not hiring
Momentum
20/100
fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Feb 21 Raised a round Seed $4M · led by FYRFLY · Pulse 2.0 Jul 3, 2025 Raised a round Venture round $2.7M · SEC Form D 2022 Founded
Funding rounds
RoundDateAmountInvestorsSource
Seed Feb 2026 $4M FYRFLY lead Pulse 2.0
Venture round Jul 2025 $2.7M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity PolyGone Systems, Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Yidian LiuExecutive Officer, DirectorSEC Form D
Nathaniel BanksExecutive Officer, DirectorSEC Form D
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Overview

Building systems to remove sub mm microplastic from the worlds waters.. Cheaper than alternatives.

News

News Pulse 2.0 7 months ago
PolyGone Systems: Princeton University Spinout Raises $4 Million Seed Round To Scale Microplastic Monitoring And Removal
PolyGone Systems, a cleantech company and Princeton University spinout focused on microplastic monitoring and removal, announced it has raised $4 million in Seed funding to expand its filtration and water analysis capabilities. The round was led by FYRFLY
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Report
News dailynews 7 months ago
Daily News
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People

Yidian Liu
Executive Officer, Director
Nathaniel Banks
Executive Officer, Director
Julie Maples
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Kearny United States
HQ
10-50 est. staff

Financials

Total raised
$6.7M
Latest round
Seed
Funding rounds
2
Funding rounds
Round Announced Amount
Seed 2026 $4M Details
Venture - Series Unknown 2025 $2.7M Details