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48 /100
MEDIUM RISK
Score updated Oct 13, 2026

RPID — Rapid Micro Biosystems, Inc. Dilution Risk Tracker

Track RPID dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of October 13, 2026, Rapid Micro Biosystems, Inc. (RPID) has a DilutionWatch DilutionScore of 48/100, rated MEDIUM dilution risk. Rapid Micro Biosystems, Inc. has a market capitalization of $41.31M, 47.01M shares outstanding, 46 institutional holders tracked.

This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.

Score Breakdown

📋 Offering Ability
42
💰 Cash Runway
25
📊 Float Risk
50
⚠️ Warrant Exposure
40
🔄 Convertible Debt
60

Dilution Forecast

🌥️
Advisory
Moderate dilution signals present
model est. 20%
🔁 Convertible Conversion model 40%
• Significant convertible debt: 23% potential dilution
• Elevated convertible risk (60/100)
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Market Data

Market Cap$41.31M
Shares Outstanding47.01M
Float27.21M
Cash$109.06M
Debt$19.14M
Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

FieldCurrent ValueBasis
DilutionScore48/100DilutionWatch score record
Shares Outstanding47.01MVerified float table or market cache
Public Float27.21MVerified float table or market cache
Market Cap$41.31MMarket data cache
Cash Runway23.2 monthsDilutionWatch score inputs
Shelf CapacityNone in current score inputsSEC-derived dilution fields
ATM CapacityNone in current score inputsSEC-derived dilution fields
Outstanding WarrantsNone in current score inputsSEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 7.

Recent SEC source mix: 4 5, XBRL 2.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 15.7% shares (2026Q1 vs prior)
46 institutional holders · 16.93M shares
#1 Bain Capital Life Sciences Investors, LLC 8.43M shares
#2 VANGUARD CAPITAL MANAGEMENT LLC 1.96M shares
#3 ABG-WTT Global Life Science Capital Partners GP Ltd 1.85M shares
+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest854.0K
Days to Cover2.3
% of Float3.1%
FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2026-03-12
xbrl XBRL CONVERTIBLE 2026-03-12
4 INSIDER TRANSACTION 2026-03-12
4 INSIDER TRANSACTION 2026-03-12
4 INSIDER TRANSACTION 2026-03-12
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual RPID Dilution Snapshot

Rapid Micro Biosystems, Inc. (RPID) has a DilutionScore of 48/100, rated Medium dilution risk. Score date: October 13, 2026.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.

DilutionScore History — Last 90 Days

RPID's DilutionScore is currently 48/100 (Medium risk), with 1 score change tracked over 89 days. The score improved from 44/100 (Medium risk).

Period Score Risk Level Duration
Oct 11 – Oct 13, 202648/100MEDIUM3 days
Jul 16 – Oct 10, 202644/100MEDIUM86 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

RPID shares outstanding have increased 3.6% from 39.82M (Mar 2026) to 41.27M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 16, 202641.27M27.21M▼ 0.06%
May 03, 202641.27M27.23M▲ 21.70%
Apr 17, 202641.27M22.38M▲ 0.70%
Mar 28, 202640.96M22.22M▼ 0.11%
Mar 17, 202639.82M22.25M▲ 15.07%
Mar 15, 202639.82M19.33M▲ 2.57%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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Part of the Guerilla Finance research network. Cross-reference multiple data sources for better due diligence.