Why Quantum Computing Stock Xanadu Quantum Technologies Plummeted 56.2% in September
Xanadu Quantum Technologies' shares fell 56.2% in September, with a 27.5% drop on Sept. 22 following the end of its lockup period. Despite this, the company announced collaborations with ASML and AMD, and received an outperform rating with a $16 price target from RBC Capital.
How this was made
The 30-second read
Why it matters
The lockup expiry caused a sharp sell‑off, wiping out over half the market cap in one month, despite positive partnership announcements.
Market read
The article explains a significant price move driven by a lockup expiration, offering insight into micro‑cap volatility and the impact of insider selling.
What to watch
Potential future funding rounds or strategic partnerships could stabilize the stock.
Background
Xanadu Quantum Technologies completed a SPAC merger in March 2026 and saw its lockup period end on Sept. 22, triggering a large share sell‑off.
Market effects
Highlights volatility risk in quantum‑computing sector after lockup expiries.
Limited to North American micro‑cap investors.
Minimal; primarily affects niche tech investors.
Counterpoint
The price drop may present a value entry if the collaborations with ASML and AMD materialize.
Key entities
- companyXanadu Quantum Technologies
Quantum‑computing firm that experienced a 56.2% share decline after lockup expiry.
- companyASML
Partner in a photonic‑quantum hardware collaboration.
- companyAMD
Partner in the Backline open‑platform solution.


