AI momentum is still fueling some of the market’s sharpest small-cap moves. While mega-cap leaders like Nvidia dominate headlines, penny stocks tied to real adoption stories are quietly building their own momentum.
If you want to know what I’m looking for — check out my free webinar here!
Here are three AI penny stocks to watch closely this month…
3 AI Penny Stocks to Watch in September 2025
| Stock Ticker | Company | |
|---|---|---|
| NASDAQ: RR | Richtech Robotics Inc | |
| NASDAQ: IREN | IREN Ltd | |
| NASDAQ: SOUN | SoundHound AI, Inc |
These aren’t stocks that I’m necessarily buying…
These are stocks that I’m watching.
Want the whole list of AI penny stocks?
10 Top AI and Quantum Computing Penny Stocks for September 2025
The following three picks I’m watching extra closely…
Richtech Robotics Inc (NASDAQ: RR) — The AI-Driven Retail Automation Stock
Richtech Robotics just landed a multi-year master services agreement with a top global retailer, effective August 21. The name of the partner has not been disclosed, but the structure of the deal suggests serious long-term potential. It’s a two-year base agreement that automatically renews unless canceled, positioning Richtech as a potential core automation partner inside one of the world’s largest retail operations.
Stay up-to-date on key RR catalysts here.
- What they do: Robotic servers (Matradee), autonomous cleaning units (DUST-E), and heavy-duty logistics bots (Titan) deployed across restaurants, hospitals, casinos, and more.
- Why it matters now: The MSA structure implies multi-site rollout potential — credibility and visibility for a micro-cap in a blue-chip footprint.
- What to watch next: Retail pilots turning into site counts, expansion into hospitality and healthcare, and follow-on contracts tied to performance metrics.
IREN Ltd (NASDAQ: IREN) — The AI Data Center Stock With the Nvidia Shoutout
IREN has been aggressively pivoting from crypto mining to AI infrastructure. On August 29, the company announced a $168 million GPU order: 1,200 Nvidia B300s and 1,200 liquid-cooled GB300s, set to power its Prince George campus in Canada. A new 10MW liquid-cooled facility is also under construction.
Read more about the catalysts pushing IREN higher.
Momentum accelerated on September 3 when IREN was named a Nvidia Preferred Partner, validating its growth strategy and boosting credibility with institutional investors.
- What they do: Operates GPU-powered cloud campuses with ~11,000 GPUs (H100s, H200s, B200s, B300s, and GB300s) plus ~3GW of grid power for hyperscale AI deployments.
- Why it matters now: Preferred Partner status with Nvidia and access to non-dilutive financing underscore strong execution and vendor confidence.
- What to watch next: Continued revenue diversification into AI cloud services, further expansion of liquid-cooled data centers, and scaling annualized revenue toward $1.25 billion by year-end.
More Breaking News
- TRX Gold Shines with Strong Q1 Earnings and Raised Price Targets
- Spotify’s Financial Surge: Poised for Growth Amid Upgrades and Strategic Moves
- Credo Technology Stock Skyrockets After Impressive Fiscal Performance
- GGB Stock Hovers as Market Reactions Vary Amid Market Speculation
SoundHound AI Inc (NASDAQ: SOUN) — The Post-Spike AI Voice Stock
SoundHound AI has become one of the most explosive names in the AI sector. Its conversational AI tools power voice interfaces across cars, TVs, kiosks, and enterprise platforms. After multiple triple-digit rallies since 2023, the stock is back on breakout watch thanks to strong earnings and bullish guidance tied to its Vision AI platform.
Should you worry about a SOUN crash?
- What they do: Conversational AI stack including Houndify, Smart Answering, and SoundHound Chat AI, powering branded voice-first solutions in autos and enterprise.
- Why it matters now: Despite rallying 130% year-to-date, SOUN is still more than 30% below its highs. With high short interest and rising call activity, conditions are ripe for another squeeze.
- What to watch next: Analyst upgrades, new auto OEM integrations, and enterprise adoption of Vision AI that could drive recurring revenue growth.
Bottom Line
AI penny stocks remain magnets for volatility and speculation. Richtech Robotics is building credibility in retail automation, IREN is scaling into a credible AI cloud operator with Nvidia’s backing, and SoundHound continues to trade like a high-volatility short squeeze candidate. Each has catalysts that could make them breakout stocks to watch in September 2025.
Key Tips for September 2025:
- Track earnings, contract wins, and sector headlines daily.
- Watch for volume confirmation and don’t chase—sell into strength.
- Use support and resistance to plan entries and exits, not hope.
- Be prepared for volatility, especially with ongoing macro risks and earnings season in full swing.
After 20+ years in the trenches, my #1 rule hasn’t changed: Trade with a plan, not hope. I’ll only enter these names if they hit my preferred setups—breakouts on real volume, or panic dips with clear support.
This is stock news, not investment advice. Timothy Sykes News delivers real-time stock market news focused on key catalysts driving short-term price movements. Our content is tailored for active traders and investors seeking to capitalize on rapid price fluctuations, particularly in volatile sectors like penny stocks. Readers come to us for detailed coverage on earnings reports, mergers, FDA approvals, new contracts, and unusual trading volumes that can trigger significant short-term price action. Some users utilize our news to explain sudden stock movements, while others rely on it for diligent research into potential investment opportunities.
Dive deeper into the world of trading with Timothy Sykes, renowned for his expertise in penny stocks. Explore his top picks and discover the strategies that have propelled him to success with these articles:
- Penny Stocks Trading Guide
- Best Penny Stocks Under $1 to Buy Today
- Top 8 Penny Stocks to Watch on Robinhood
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