Hedge Fund Karatage appoints IMC veteran Shane O’Callaghan as senior partner
TL;DR
Hedge fund Karatage appoints Shane O'Callaghan as senior partner and head of institutional strategy. He joins from IMC Trading with experience at Portofino Technologies and BlockFi, strengthening Karatage's digital asset investment focus.
Key Takeaways
- •Karatage appoints Shane O'Callaghan as senior partner and head of institutional strategy
- •O'Callaghan brings experience from IMC Trading, Portofino Technologies, and BlockFi
- •London-based Karatage invests in digital assets, crypto funds, and blockchain companies
- •The appointment aims to accelerate Karatage's institutional expansion and strategic growth
- •Karatage combines liquid token investments with long-term bets on crypto companies

What to know:
- Karatage has appointed Shane O'Callaghan as a senior partner and head of institutional strategy.
- He joins from IMC Trading and previously held high-level roles at Portofino Technologies and BlockFi.
- Founded in 2017, London-based Karatage invests across digital assets, crypto-focused funds and blockchain-related companies.
- Karatage has appointed Shane O'Callaghan as a senior partner and head of institutional strategy.
- He joins from IMC Trading and previously held high-level roles at Portofino Technologies and BlockFi.
- Founded in 2017, London-based Karatage invests across digital assets, crypto-focused funds and blockchain-related companies.
Karatage, a leading London-based proprietary hedge fund specializing in digital assets and emerging technology, has appointed Shane O'Callaghan as a senior partner and head of institutional strategy.
O'Callaghan joins from Dutch market maker IMC Trading, where he was employed as global head of institutional partnerships and digital asset sales for the last year.
Before joining IMC, O'Callaghan worked at crypto trading platform Portofino Technologies as global head of business development, and also as head of Europe, Middle East, and Africa (EMEA) for now-defunct crypto lender BlockFi.
”Shane didn’t join because it was safe. He joined because the opportunity is rare — to build something bold, aggressive, and genuinely disruptive from the inside out," said Marius Barnett, co-founder and CEO at Karatage, in emailed comments. "He’s stepping away from elite senior roles to help us execute at a higher level, move faster, and raise the standard across everything we do."
Karatage is a hedge fund that invests across digital assets, crypto-native investment funds and companies building infrastructure, products or services for the blockchain economy. Founded in 2017, the firm emerged during the early growth of institutional digital asset investing and has remained active through multiple market cycles.
"At Karatage, we’re not interested in incremental growth or polite ambition. We’re here to create a dominant force — and Shane materially strengthens our ability to do just that. This is the beginning of a much bigger chapter," Barnett added.
The fund typically takes a thematic approach, backing technologies and businesses it believes could have a structural impact on finance and the broader economy, including blockchain networks, decentralized finance (DeFi) and related services.
Karatage is known for combining liquid token investments with longer-term bets on companies and managers operating in the crypto space.
“The firm's unique blend of proprietary capital, technical depth, and strategic vision is exactly what the market requires today," O'Callaghan said in emailed comments. "I am excited to join Marius, Stephen, and the entire team to help drive the firm’s next phase of global institutional expansion,” he added.
Read more: Crypto Investment Firm Blockstream to Acquire TradFi Hedge Fund Corbiere Capital
- KuCoin recorded over $1.25 trillion in total trading volume in 2025, equivalent to an average of roughly $114 billion per month, marking its strongest year on record.
- This performance translated into an all-time high share of centralised exchange volume, as KuCoin’s activity expanded faster than aggregate CEX volumes, which slowed during periods of lower market volatility.
- Spot and derivatives volumes were evenly split, each exceeding $500 billion for the year, signalling broad-based usage rather than reliance on a single product line.
- Altcoins accounted for the majority of trading activity, reinforcing KuCoin’s role as a primary liquidity venue beyond BTC and ETH at a time when majors saw more muted turnover.
- Even as overall crypto volumes softened mid-year, KuCoin maintained elevated baseline activity, indicating structurally higher user engagement rather than short-lived volume spikes.
- Fireblocks said it bought TRES Finance, a crypto accounting and financial reporting platform, to bridge blockchain and traditional finance systems.
- The purchase cost $130 million, according to Fortune, which cited people familiar with the negotiations.
- TRES, which will operate as a standalone product, helps companies generate compliant financial records from blockchain activity, enabling them to meet audit standards and regulatory requirements.
Disclosure & Polices: CoinDesk is an award-winning media outlet that covers the cryptocurrency industry. Its journalists abide by a strict set of editorial policies. CoinDesk has adopted a set of principles aimed at ensuring the integrity, editorial independence and freedom from bias of its publications. CoinDesk is part of Bullish (NYSE:BLSH), an institutionally focused global digital asset platform that provides market infrastructure and information services. Bullish owns and invests in digital asset businesses and digital assets and CoinDesk employees, including journalists, may receive Bullish equity-based compensation.