Market data loadingIONQRGTIQBTSQUBTARQQQNTINFQXNDUIQMXPSQLIBMGOOGLMSFTAMZNNVDAINTCHONMarket data loadingIONQRGTIQBTSQUBTARQQQNTINFQXNDUIQMXPSQLIBMGOOGLMSFTAMZNNVDAINTCHON
effectiveCapacity

Organization

Quantinuum

Hardware · QNT · Nasdaq

QNT · Market data loading

Trapped-ion quantum computing company formed from Honeywell Quantum Solutions and Cambridge Quantum.

Tech focus: Trapped ion, Software / QEC.

Organization site

The owner of effectiveCapacity.com holds shares of IonQ (IONQ). Nothing here is investment advice. Not investment advice.

Nasdaq: QNT. Quantinuum closed an IPO on 5 June 2026. Honeywell remains a major holder, but the listed issuer is Quantinuum, not HON. Confirmed on the SEC ticker list.

Latest items

Newsroom QU Quantinuum · Sep 14, 2026 · Product

IEEE Quantum Week 2026

Quantinuum will present its quantum hardware, software and partnerships at IEEE Quantum Week 2026.

Newsroom QU Quantinuum · Sep 14, 2026 · Product

Accuracy Is the Foundation of Meaningful Quantum Computing

Qedma, BlueQubit and RIKEN published a paper on quantum magnetism whose results exceed those of the classical methods examined and were checked on Quantinuum’s Helios and H2 systems.

SEC QU Quantinuum · Sep 7, 2026 · SEC filing

Quantinuum files 8-K

Quantinuum filed an 8-K with the U.S. Securities and Exchange Commission.

Newsroom QU Quantinuum · Jul 29, 2026 · Product

Quantinuum SG Grand Challenge 2026

Quantinuum opened applications for its SG Grand Challenge 2026 on practical quantum computing uses.