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Companies / Health Care / Rapid Micro Biosystems, Inc.
RPID

Rapid Micro Biosystems, Inc.

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

Rapid Micro Biosystems (Nasdaq: RPID) develops and sells automated microbial quality control (MQC) solutions for pharmaceutical manufacturers, including producers of biologics, cell and gene therapies, vaccines and sterile injectables. Its Growth Direct platform combines automated testing systems, proprietary… From the company’s description.

Over the twelve months to Jun 30, 2026, Rapid Micro Biosystems, Inc. reported revenue of $35.18M, up 16.1% from a year earlier, and a net loss of $51.20M. Its operating margin was −141.5%, and operations used $40.06M in cash. In fiscal 2025, it reported revenue of $33.59M, up 19.7% from fiscal 2024, and a net loss of $47.12M.

Fiscal year 2025 · ends 12-31Changes are against fiscal 2024The amber dot is the latest twelve months, to 2026-06-30
Sales & profitability
$33.59MFY2025
+19.7% year over year
Last 12 mo $35.18M
-141.10%FY2025
+36.9 percentage points
Last 12 mo -141.45%
$-47.12MFY2025
−0.5% year over year
Last 12 mo $-51.20M
-141.91%FY2025
−79.7 percentage points
Last 12 mo -288.48%
Cash & financing
$-31.06MFY2025
+29.6% year over year
Last 12 mo $-40.06M
$-31.91MFY2025
+29.9% year over year
Last 12 mo $-40.39M
0.57FY2025
Last 12 mo 1.08
44.7MFY2025
+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 (Nasdaq: RPID) develops and sells automated microbial quality control (MQC) solutions for pharmaceutical manufacturers, including producers of biologics, cell and gene therapies, vaccines and sterile injectables. Its Growth Direct platform combines automated testing systems, proprietary consumables, software that connects with laboratory information management systems, and customer support and validation services. The platform automates sample handling, incubation and microbial detection, and supports environmental monitoring, water, in-process bioburden and sterility testing. Customers include pharmaceutical companies and other manufacturers with quality control testing needs; the company serves approximately 107 customer sites in 18 countries. It sells directly in North America, Europe and Asia-Pacific and uses distributors in some territories. MilliporeSigma also has global co-exclusive distribution rights for specified industrial quality control applications. Rapid Micro Biosystems placed 190 systems and sold approximately 9 million consumables globally, and its fiscal 2025 revenue was [not stated in the provided text]. Its website is www.rapidmicrobio.com.

Company details
Sector
Health Care
Industry (SIC)
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
—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
—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

Put this business in context.

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  • “How do Rapid Micro Biosystems, Inc. and its peers compare on margins and cash generation over ten years?”
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