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Companies / Healthcare / RAPID MICRO BIOSYSTEMS, INC.
RPID

RAPID MICRO BIOSYSTEMS, INC.

HealthcareMedical Instruments
Ticker RPIDLEXINGTON, MAFiscal year ends DecemberBook value per share $0.38Diluted shares 47.0M

Rapid Micro Biosystems, Inc. (NASDAQ: RMBS) operates at the intersection of microbiology, robotic systems, and advanced vision algorithms to transform pharmaceutical quality control. The company's website is www.rapidmicrobio.com. From the company’s description.

Fiscal year 2025 · ends 12-31Changes are against fiscal 2024The amber dot is the latest twelve months, to 2026-06-30
Sales & profitability
$33.59M
+19.7% year over year
Last 12 mo $35.18M
-141.10%
+36.9 percentage points
Last 12 mo -141.45%
$-47.12M
−0.5% year over year
Last 12 mo $-51.20M
-141.91%
−79.7 percentage points
Last 12 mo -288.48%
Cash & financing
$-31.06M
+29.6% year over year
Last 12 mo $-40.06M
$-31.91M
+29.9% year over year
Last 12 mo $-40.39M
0.57
Last 12 mo 1.08
44.7M
+2.5% year over year
Last 12 mo 47.0M

Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.

What RAPID MICRO BIOSYSTEMS, INC. does

In the company’s own words

Rapid Micro Biosystems, Inc. (NASDAQ: RMBS) operates at the intersection of microbiology, robotic systems, and advanced vision algorithms to transform pharmaceutical quality control. The company's website is www.rapidmicrobio.com.

The company provides mission-critical automation solutions for pharmaceutical manufacturing, with its flagship Growth Direct platform automating microbial quality control testing workflows. Growth Direct is the only fully automated, high-throughput, and secure microbial quality control solution on the market, designed to modernize the antiquated manual testing processes used across global pharmaceutical manufacturing operations. The platform brings quality control capabilities directly to manufacturing floors, enabling faster results, greater accuracy, increased operational efficiency, and improved compliance with data integrity regulations.

Growth Direct operates through a proprietary method that detects microcolonies by exploiting the natural autofluorescent properties of microbial organisms without requiring new reagents or additional sample preparation. The system combines fully automated robotic sample handling, incubation, advanced optical imaging, and algorithmic vision analysis with secured data management interfaces. The platform delivers results in half the time or less compared to traditional methods while reducing manual steps by approximately eighty-five percent.

The Growth Direct platform comprises the Growth Direct system, proprietary consumables, laboratory information management system connectivity, software, and comprehensive customer support and validation services. The company has placed one hundred ninety systems globally and sold approximately nine million consumables. The customer base includes seventy-five percent of the top twenty largest pharmaceutical companies by revenue and eighty-six percent of approved gene-modified autologous CAR-T cell therapies manufacturers. Customers operate across approximately one hundred seven sites in eighteen countries, with the majority maintaining multiple Growth Direct systems deployed across multiple facility locations.

The company employs direct commercial and service teams across North America, Europe, and the Asia-Pacific region, supplemented by distributors in certain territories. In February 2025, the company entered into a Distribution and Collaboration Agreement with MilliporeSigma, granting global co-exclusive rights to sell Growth Direct systems and consumables into industrial quality control applications across pharmaceutical, medical device, personal care, cosmetics, and food and beverage sectors.

Company details
Sector
Healthcare
Industry
Medical Instruments
Headquarters
LEXINGTON, MA
Fiscal year end
December
CIK
1380106
SIC
3826

Financial performance, year by year

Fiscal 2021–2025 · USD
$-84.39M$-51.78M$-19.17M$13.44M$46.05M20212022202320242025Last 12 moLast 12 monthsLast 12 months

The full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.

Ownership

Who owns RAPID MICRO BIOSYSTEMS, INC. — and what changed

Funds as of 2026Q2 · superinvestors as of 2026-06-30

21
funds hold it
0 of 35
superinvestors hold it
$3.00M
held by funds, at market
3.5%
of shares held by funds

Largest fund holders · RAPID MICRO BIOSYSTEMS, INC.’s weight in each

VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.00%of fund net assets
0.44%of fund net assets
VANGUARD EXTENDED MARKET INDEX FUND
VXF · VANGUARD INDEX FUNDS
0.00%of fund net assets
Fidelity Extended Market Index Fund
FSMAX · Fidelity Concord Street Trust
0.00%of fund net assets
iShares Micro-Cap ETF
IWC · iShares Trust
0.01%of fund net assets

Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.

Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.

Could not be determined for this company: bond issues.

Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.

Connected research

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