---Aerospace parts maker Doncasters targets $4.4 billion valuation in US IPO

June 15 (Reuters) - Doncasters is targeting a valuation of up to $4.43 billion in its U.S. initial public offering, ​becoming the latest aerospace firm to test investor appetite for new ‌listings.

The Derby, United Kingdom-based company is seeking up to $746.7 million in the IPO by offering 23.3 million shares priced between $28 and $32 apiece, it said on Monday.

Ticker: DPC

Exchange: NYSE

Target Deal Size: ~ $700 million

Share Price Range: $28 to $32

Target Valuation: Up to $4.43 billion at the high end of the range

Lead Bookrunners: Jefferies and Morgan Stanley

The U.S. IPO market ​has gained momentum after a choppy start to the year, with aerospace ​and defense as well as AI infrastructure themes dominating the ⁠lineup since April.

Doncasters will follow Arxis (ARXS.O), opens new tab and Applied Aerospace & Defense (AADX.N), opens new tab, fellow aerospace parts ​makers that have gone public in New York since April.

Company Overview

• History: Founded in 1778 in Sheffield, UK, the company manufactures high-precision alloy components (like turbine blades and vanes) for the "hot zones" of aerospace engines and industrial gas turbines. 
• Clients: Serves major original equipment manufacturers (OEMs) including GE Aerospace, Honeywell, Pratt & Whitney, and Rolls-Royce. 
• Financials: In 2025, the company reported revenue of $837 million, though it remains loss-making due to heavy investments in expanding capacity. 

=====Orion S.A. (OEC) : 12-year performance

Orion S.A. (NYSE: OEC), a global specialty chemical company and leading carbon black producer, completed its Initial Public Offering on July 25, 2014. The company raised roughly $350 million, pricing its shares at $18 each. 

IPO Details

• Ticker Symbol: OEC (New York Stock Exchange)
• IPO Date: July 25, 2014
• Shares Offered: 19.5 million common shares
• Initial Pricing: $18.00 per share
• Lead Underwriters: The primary selling shareholders were Kinove Luxembourg Holdings 1 S.à r.l. and affiliates of private equity firms Triton and Rhone Group. 

Current Status

Orion S.A. continues to trade publicly on the NYSE as an active corporation. The stock is currently trading in the mid-single digits, having experienced historical highs near $32.61 in 2018 before fluctuating alongside broad manufacturing and automotive end-market demand. 

===Quantinuum (QNT) began trading on the Nasdaq on Thur 4 June 26

 

Quantinuum is the world’s largest integrated quantum computing company, formed in late 2021 by the merger of Honeywell Quantum Solutions (hardware expertise, trapped-ion technology) and Cambridge Quantum (software, algorithms, and quantum cybersecurity).Key Facts

• Headquarters: Broomfield, Colorado (US), with major operations in Cambridge, UK, and additional sites in Germany, Japan, and elsewhere.
• Employees: Approximately 450–680 (sources vary; includes 370+ scientists and engineers, with a high proportion holding advanced degrees).
• Leadership: CEO Rajeeb Hazra; Ilyas Khan (founder of Cambridge Quantum) serves as Chief Product Officer.
• Status: Privately held until recently; it completed a major IPO in early June 2026 on Nasdaq (ticker QNT), raising significant capital at a multi-billion-dollar valuation amid strong demand. Honeywell remains a major backer.

TechnologyQuantinuum specializes in trapped-ion quantum computers, widely regarded as among the highest-performing in the industry due to high gate fidelities, full qubit connectivity, and support for mid-circuit measurements.

• H-Series (e.g., System Model H2): Features up to 56 fully connected qubits, record quantum volumes (a holistic performance metric exceeding 2 million in some reports), and >99.99% single-qubit gate fidelity. It has demonstrated milestones like the first fully fault-tolerant universal gate set.
• Roadmap: Accelerated push toward universal, fault-tolerant quantum computing by 2030, with next-generation systems like Apollo (targeting 100+ qubits). Emphasis on scalable, high-fidelity hardware combined with error correction.
• Software & Full-Stack: Includes TKET (open-source compiler), InQuanto (chemistry-focused), Quantum Origin (quantum-enhanced cybersecurity/randomness), and the Nexus platform for cloud access, emulation, and hybrid workflows. Strong integration across hardware, software, and applications.

Access is available via cloud (e.g., Azure Quantum) and direct subscriptions, with emulators for development.

Applications and Focus AreasThe company targets commercial and scientific breakthroughs in:

• Materials discovery and computational chemistry
• Drug discovery and biology
• Cybersecurity (quantum-resistant solutions)
• Optimization, AI, finance, and energy (e.g., collaborations with bp on wave physics/seismic imaging)
• Hybrid quantum-classical computing for industry use cases

It emphasizes "science-led, enterprise-driven" solutions and has partnerships with entities like RIKEN, Mitsubishi Electric, NVIDIA, JPMorgan, Synopsys, and others.