Note: This review is published by DilutionWatch. We've written it in an objective, third-party style and included both strengths and honest limitations — but you should weigh that context accordingly.
DilutionWatch is a real-time SEC filing monitoring platform focused on stock dilution events. It tracks over 10,000 US-listed companies, scanning SEC EDGAR every 60 seconds for new filings that could indicate share dilution — including ATM offerings, shelf registrations, PIPE transactions, warrant exercises, reverse splits, and more.
The platform generates a DilutionScore™ for each tracked company — a composite risk metric based on active dilution programs, cash runway, existing warrant overhang, and historical issuance patterns. It also uses AI to produce plain-language summaries of complex SEC filings, making it faster to triage a large volume of daily alerts.
The core problem DilutionWatch is designed to solve: retail investors in small-cap and micro-cap stocks typically find out about dilutive financing events after the damage is done. The stock is already down 20% by the time you read about the new ATM program in the quarterly filing. DilutionWatch's 60-second scanning window is an attempt to close that information gap.
Every dilution event starts with an SEC filing. DilutionWatch watches all of them, continuously, so you don't have to.
DilutionWatch has a three-tier structure:
Compared to the competitive landscape, DilutionWatch's pricing is notable. DilutionTracker starts at $60–74/month with no free tier. Dilutracker doesn't list pricing publicly. AskEdgar is priced for professional use. DilutionWatch's $19.95 Basic plan covers most individual investor use cases at a fraction of what comparable tools charge.
The mechanics are straightforward: DilutionWatch has built a system that continuously polls SEC EDGAR — the public database of all regulatory filings from US public companies — and parses new filings as they arrive. The 60-second scan interval means the system checks for new filings roughly once a minute.
When a new filing of a tracked type arrives (a 424B3 prospectus supplement, for example, indicating an ATM program), the system:
The DilutionScore™ system aggregates multiple signals: Does the company have an active ATM program? How much of the authorized program remains unsold? What's the current cash runway based on the most recent financials? Are there outstanding warrants that could be exercised? Has the company done multiple reverse splits? Each factor contributes to the overall score.
Understanding the underlying filing types helps you get more out of the platform. Our explainers on ATM offerings and shelf registrations cover the most common dilutive filing types in detail.
The platform's core infrastructure scans SEC EDGAR continuously. For context, many retail-focused tools check EDGAR every few hours or operate on end-of-day data. A 60-second interval is materially different — market-moving dilution filings often hit before market open, and a minutes-early alert vs. a same-day-delayed alert can be the difference between acting on information and reacting to a price that's already moved.
Rather than requiring users to manually assess each company's dilution risk, DilutionWatch computes a composite score that captures the current risk profile at a glance. It's not a perfect system — no single metric can fully capture dilution risk — but it provides a useful starting point for prioritizing attention across a large watchlist. High DilutionScore stocks warrant closer examination; low-score stocks are likely lower priority.
Dilution risk doesn't come from one type of event. DilutionWatch tracks the full range: ATM programs, PIPE transactions, shelf registrations, warrant exercises, convertible note filings, reverse splits, insider transactions, 8-K material events, and quarterly/annual earnings that reveal cash runway. Monitoring only prospectus supplements, for example, would miss a significant portion of the dilution picture.
An SEC prospectus supplement can be 30-60 pages. The AI summary feature extracts the key points — what type of offering, how much is authorized, what the proceeds will be used for, what the dilution impact could be — and presents them in plain language. This makes it practical to stay on top of a large number of filings without becoming a full-time EDGAR reader.
The Premium tier's API allows programmatic access to the platform's data. This is meaningful for traders building custom alert systems, developers integrating dilution signals into portfolio dashboards, or anyone who wants to incorporate DilutionScore™ into their own analysis tools. It's not something that most individual investors need, but for those who do, it's a genuine differentiator — competing platforms don't offer it.
You're long a small-cap biotech that filed an S-3 shelf registration six months ago. The stock has been drifting sideways. With DilutionWatch monitoring that ticker, if the company files a 424B3 prospectus supplement activating an ATM program under that shelf, you get an alert within minutes. You can assess the size of the program relative to market cap, check the cash runway to understand urgency, and make an informed decision before the market fully prices in the dilution.
Some traders use DilutionWatch to screen for high-DilutionScore companies as short candidates — companies with active ATM programs, deteriorating cash positions, and histories of repeated equity raises. The platform's broad coverage and composite scoring make it practical to maintain a dynamic watchlist of potential setups rather than manually tracking hundreds of tickers.
Before entering a new position in a micro-cap, checking the DilutionScore™ and recent filing history takes a few minutes and provides context that isn't obvious from just looking at price charts. A clean DilutionScore doesn't guarantee anything, but a high-risk score with multiple active ATM programs and under 90 days of cash runway is a meaningful signal to factor into position sizing.
Investors concentrated in sectors with high dilution frequency — biotech, EV, mining, cannabis — can set broad alerts for an entire sector rather than just specific tickers. When any company in that universe files a new dilutive event, the alert comes through. This is particularly useful for sector-focused traders who want to track the capital raise activity across a group of names simultaneously.
DilutionWatch is a monitoring tool, not a trading system. Real-time alerts give you earlier information — they don't give you certainty about what will happen to the stock. High DilutionScore doesn't mean the stock will go down; low DilutionScore doesn't mean it won't. Use it as one input among many.
For investors who are active in the micro-cap and small-cap space — where dilution is a constant, material risk — DilutionWatch fills a genuine gap. The combination of broad coverage (10,000+ tickers), fast scanning (60 seconds), and accessible pricing ($19.95/mo to start) is hard to replicate elsewhere at this price point.
The free tier is worth trying. If you're watching even a handful of small-cap names, set them up in a watchlist and see what the alert quality looks like. The platform will do its own selling at that point.
The $19.95 Basic plan makes sense if dilution monitoring is a regular part of your process and you're spending more than a few hours a month manually checking EDGAR. At that rate, the time savings alone justify the subscription cost, and the earlier information has measurable value in a market where dilution events move stocks quickly.
The $49.95 Premium plan is for investors who want API access for integrations, need extended filing history, or have workflows where the additional filtering capabilities earn their cost.
DilutionWatch is a legitimately useful tool for small-cap investors. It's not magic — no tool is — but it provides real-time information that most retail investors currently get too late. Start free, evaluate whether the alert quality matches your use case, and upgrade if it earns the cost.
Try DilutionWatch and see what real-time dilution monitoring actually looks like for your watchlist.
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