Daily Quantum Update for Tuesday, October 21, 2025
Your quantum digest from 488+ sources for 525 organizations — business announcements, university research, and agency updates over the last 2 days.
Last Updated on Tuesday, October 21, 2025, at 09:17 AM EDT
Today’s mentions: Aliro Technologies, Amazon Web Services, Classiq Technologies, Elevate Quantum, Google, HQS Quantum Simulations, IBM, Infleqtion, IonQ, LuxQuanta Technologies, Massachusetts Institute of Technology, Merck KGaA, Microsoft, National Institute of Standards and Technology, ORCA Computing, Oak Ridge National Laboratory, PQShield, QC Ware, QURECA Ltd, QuEra Computing, Quantum Brilliance, Quantum Flagship, Rigetti Computing, Strangeworks, U.S. National Science Foundation, University of Colorado Boulder, University of Oxford, VTT, Xanadu Quantum Technologies
Today’s quote: “All sorts of things can happen when you’re open to new ideas and playing around with things.” – Stephanie Kwolek
Keep reading ↓ for the latest public quantum company stock quotes, recent news, and upcoming quantum events and conferences.
Selected Public Quantum Company Stock Data
KeyCompany Name (Ticker Symbol):
Current Price, Previous Closing Price, Percentage Change
Amazon Web Services (AMZN): $218.80, $216.48, 1.07% 🟢
D-Wave Quantum (QBTS): $33.79, $34.39, -1.75% 🔴
Fujitsu (6702.T): $3772.00, $3803.00, -0.82% 🔴
Alphabet (GOOGL): $253.99, $256.55, -1.00% 🔴
IBM (IBM): $282.57, $283.64, -0.38% 🔴
IonQ (IONQ): $60.07, $59.96, 0.19% 🟢
Microsoft (MSFT): $517.40, $516.79, 0.12% 🟢
NVIDIA (NVDA): $182.10, $182.64, -0.30% 🔴
Quantum Computing Inc. (QUBT): $17.32, $17.28, 0.22% 🟢
Rigetti Computing (RGTI): $42.92, $43.31, -0.90% 🔴
2025-10-21
Simulation you can trust: Validating BBM92
Category: ⚛️ Quantum Computing
Source: Blog [Aliro Technologies]
Author: Brian Doolittle
Organizations Mentioned: Aliro Technologies
ORNL has a quantum computer cluster...
Categories: 📰 Newsletters, ⚛️ Quantum Computing
Source: The Quantum Dragon (feat. IQT News) [Brian N. Siegelwax]
Organizations Mentioned: Microsoft, Oak Ridge National Laboratory, and Quantum Brilliance
Quantum security developer LuxQuanta gains €8 M in Series A funding
Categories: 💲 Investment and Funding, 🔐 Post-Quantum Cryptography and Security
Source: Optics.org News
Organizations Mentioned: LuxQuanta Technologies
IonQ Achieves Landmark Result, Setting New World Record in Quantum Computing Performance
Category: ⚛️ Quantum Computing
Source: IonQ
Organizations Mentioned: IonQ
2025-10-20
IonQ Partners with Italy’s National Strategy for Quantum Technology; Co-founds Q-Alliance to Jointly Create Quantum Hub
Categories: 🌍 Italy-Related News, 🌍 Europe-Related News
Source: IonQ
Organizations Mentioned: IonQ
Post-quantum security in platform management: PQShield is ready for SPDM 1.4
Category: 🔐 Post-Quantum Cryptography and Security
Source: News | PQShield
Organizations Mentioned: PQShield
Tenured/Tenure-Track Faculty in Quantum Engineering
Category: ⚛️ Quantum Computing
Source: Elevate Quantum
Author: Alexis Klimpl
Organizations Mentioned: Elevate Quantum, National Institute of Standards and Technology, U.S. National Science Foundation, and University of Colorado Boulder
How Did The AWS Outage Affect Quantum?
Category: 📰 Newsletters
Source: Quantum’s Business [Brian Lenahan]
Organizations Mentioned: Amazon Web Services, Google, IonQ, Massachusetts Institute of Technology, Merck KGaA, QC Ware, Quantum Flagship, QuEra Computing, QURECA Ltd, Rigetti Computing, Strangeworks, and Xanadu Quantum Technologies
Quantum imaging research promises improved retinal scans
Category: ⚛️ Quantum Computing
Source: Optics.org News
Release News: Qiskit SDK v2.2 is here!
Category: 💻 Coding for Quantum Computers
Source: IBM Quantum Computing Blog
Author: Qiskit Team
Organizations Mentioned: IBM
Qiskit C API enables new end-to-end quantum + HPC workflows
Category: 💻 Coding for Quantum Computers
Source: IBM Quantum Computing Blog
Authors: Jim Garrison, Hiroshi Horii (堀井 洋), Matthew Treinish, Antonio Córcoles, and Robert Davis
Organizations Mentioned: IBM
University of Oxford spin-out QFX announces seed funding round and appoints industry leaders to drive development of next-generation modular quantum technologies.
Categories: 💲 Investment and Funding, 📇 Personnel Changes and Announcements
Source: Quantum Fabrix Limited
Author: QFX Editorial Team
Organizations Mentioned: Infleqtion and University of Oxford
News: VTT launches a quantum computing campaign for company public research
Category: ⚛️ Quantum Computing
Source: VTT / tiede-ja tutkimusuutiset
Organizations Mentioned: VTT
Nonlinear Photonic Architecture for Fault-tolerant Quantum Computing
Categories: 🔦 Photonics, 😞 Quantum Error Correction and Fault Tolerance
Source: NEWS | ORCA Computing
Author: Juliet McGinnis
Organizations Mentioned: ORCA Computing
HQS is XPRIZE Quantum Applications semifinalist for pioneering spin‑physics approach to NMR
Category: ⚛️ Quantum Computing
Source: News - HQS Quantum Simulations
Author: Verena Kretschmer
Organizations Mentioned: Google and HQS Quantum Simulations
Classiq Partners with QUCAN to Deliver Hands-On Quantum Training Globally
Categories: 📖 Education, Training, Skills Development, and Workforce, ⚛️ Quantum Computing
Source: Classiq Technologies LTD
Organizations Mentioned: Classiq Technologies
Conference and Events Starting in the Next Four Weeks
Check out and bookmark our full listing of upcoming quantum conferences and events over the next several months. If you have a conference or event you would like us to consider listing, please submit this form.
2025-10-22
2025-11-02
2025 IEEE International Conference on Quantum Artificial Intelligence | Naples, Italy
2025-11-03
2025-11-04
Quantum Computing in Logistics, Manufacturing & Healthcare | Germany
2025-11-05
QED-C Annual Meeting | New York, New York, USA
QubitHub Qiskit Fall Fest 2025 | Cuernavaca, Morelos, Mexico
2025-11-06
QBN – Fault-Tolerant Quantum Computing | Amsterdam, Netherlands
2025-11-07
2025-11-10
European Quantum Technologies Conference | Copenhagen, Denmark
2025-11-11
2025-11-12
Adaptive Quantum Circuits Conference & Expo | Boston, MA, USA
IBM Quantum Developer Conference 2025 | Atlanta, Georgia, USA
2025-11-16
There is redundancy within the listing, as some stories and press releases may appear under different titles from different sources or be secondary articles. For all the essential links in the last 31 days, visit our Extended List: Recent Press Releases, News, Announcements, and Newsletters.
Previous: Daily Quantum Update for Monday, October 20, 2025
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Dr. Bob Sutor is the CEO and Founder of Sutor Group Intelligence and Advisory. Sutor Group offers comprehensive market insights and in-depth technical expertise, drawing on over four decades of experience working with startups and large corporations. It advises Deep Tech startups, companies, and investors on quantum technologies, AI, and other emerging tech fields.
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