Yiannis Zourmpanos
138 Articles
Yiannis Zourmpanos specializes in asymmetric investments, identifying high-upside opportunities with minimal downside risk. He previously worked for Deloitte and KPMG in external and internal auditing and consulting. Yiannis is a Chartered Certified Accountant, and a Fellow Member of ACCA Global. He holds BSc and MSc degrees from leading U.K. business schools.
Written by Yiannis Zourmpanos
Reviewed by Yiannis Zourmpanos
MARA’s Power Play Behind Bitcoin
TradingKey - Q1 2025 revenue reached $214 million, growing 30% YoY, driven by 77% higher average Bitcoin prices. Hash rate doubled to 54.3 EH/s; block rewards rose 81% to 666 blocks despite post-halving production drop.
Mon, Jun 23
Nebius: The AI Cloud Nobody's Pricing Right
TradingKey - Nebius reached $249 million ARR in March 2025, growing 684% YoY, with April ARR accelerating to $310 million. Adjusted EBITDA margin improved from -622% to -113% YoY, with H2 2025 EBITDA breakeven guidance.
Mon, Jun 23
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When Fundamentals Take the Lead: Inside T. Rowe Price’s Institutional Betting Playbook
TradingKey - At March 31, 2025, T. Rowe Price (TROW) managed over $1.45 trillion AUM, with $776 billion invested in equity strategies,óa testament to its enduring leadership as a global active asset manager with a globally diversified footprint. Far from being some distinctly focused portfolio...
Mon, Jun 23
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Bill Ackman’s 2025 Portfolio: Concentrated Conviction in a Time of Transition
TradingKey - With just 11 stocks and $11.9 billion in equity assets, Bill Ackman’s Pershing Square portfolio remains a case study in concentrated, high-conviction investing.
Mon, Jun 23
HPE’s Hidden Pivot: From Infrastructure to Intelligence Amid AI and Margin Turbulence
TradingKey - While the market still discounts Hewlett Packard Enterprise (HPE) as a legacy infrastructure vendor, Q2 FY2025 results reveal a mounting misaligned perception.
Wed, Jun 18
Lululemon’s Valuation Reset: Why Market Sentiment Diverges from Fundamentals
TradingKey - Lululemon has been almost synonymous with category-defining athletic apparel that carries both cultural prestige and premium valuation multiples.
Wed, Jun 18
Lucid’s Repricing Moment: Is a Turnaround Coming or Already Priced In?
TradingKey - Lucid Group (LCID) has been positioning itself for years as the pinnacle luxury EV disruptor, with the Lucid Air garnering praise for range, engineering, and design.
Wed, Jun 18
The Falcon Recalibration: Why CrowdStrike's Flex-Led AI Pivot Is Misunderstood
TradingKey - CrowdStrike reached $4.44 billion ARR in Q1 FY26, with 22% YoY growth and strong 97% customer retention rates. Falcon Flex drove $774 million in Q1 bookings, growing 124% YoY, with 60% of deals sourced via partners.
Wed, Jun 18
Warren Buffett’s 2025 Portfolio: A Defensive Giant Balancing Legacy Bets with Strategic Discipline
TradingKey - As of March 31, 2025, Warren Buffett’s Berkshire Hathaway holds a $258.7 billion equity portfolio spread across 36 stocks. The Oracle of Omaha hasn’t made a new buy this quarter, and turnover remains minimal at 1%.
Wed, Jun 18
Ray Dalio’s 2025 Portfolio: A Macro Masterclass in Diversified Precision
TradingKey - Ray Dalio's Bridgewater Associates had a striking diversified holding of 664 stocks valued at $21.55 billion in equity value through the period ended March 31, 2025. And at a turnover of 31% in Q1, the highest since well over a year, Dalio's strategy is far from static.
Tue, Jun 10
Salesforce Is Building Digital Labor
TradingKey - Salesforce (CRM) is no longer simply a CRM giant; it's now the first enterprise AI-native platform designed for the digital labor era. While the market still values CRM as a mature SaaS provider, Salesforce is undergoing a complete-stack transformation that not only positions it as a...
Fri, Jun 6
Lululemon Athletica: Growth Abroad Masks U.S. Saturation
However, such a premium can increasingly be hard to sustain in light of signs of North American saturation as well as increasing inventory levels.
Thu, Jun 5
Broadcom’s Quiet AI Revolution Begins
In anticipation of its upcoming Q2 2025 quarter (reporting date June 5th), Broadcom's valuation suggests doubt, but its history of earnings beats, positive upward EPS revisions, and healthy growth numbers imply more upside is being discounted by the market.
Thu, Jun 5
Marvel: This Chipmaker Isn’t What It Seems
Marvell's (MRVL) valuation now looks extended to conventional investors, with a 22.87x forward non-GAAP earnings multiple and 60.04x forward GAAP P/E. On the surface, this looks overdone, particularly with a D- grade for valuation and price-to-sales ratios over 135% above the industry average.
Tue, Jun 3
Adobe’s Quiet Reinvention Is Working
Adobe's (ADBE) Q1 FY25 results show a company under the process of a strategic transformation that transcends margin sustainability or AI jargon.
Tue, Jun 3
Applied Materials: The Hidden Giant Powering AI
Unlike the general perception that semiconductor spending is cyclical and now overextended, Applied Materials' (AMAT) Q2 FY2025 results provide a strong argument for structural re-rating.
Tue, Jun 3
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CoreWeave's $26B Backlog Shockwave
CoreWeave posted $982 million Q1 2025 revenue, reflecting 420% YoY growth and a 62% adjusted EBITDA margin.The company holds a $25.9 billion revenue backlog, with over 90% of revenue from prepaid, multi-year infrastructure contracts.
Tue, Jun 3
MicroStrategy: Bitcoin Meets Wall Street Strategy
MicroStrategy Inc. (MSTR), newly renamed "Strategy," is not merely a software company anymore, it's now the world's most brazen Bitcoin proxy.
Tue, Jun 3
Shopify’s Silent Platform Power Shift
Shopify's (SHOP) Q1 2025 numbers send one very strong message: the business is operating at the unique overlap of scale, profitability, and product depth.
Tue, Jun 3
UnitedHealth’s Two Engines, One Strain
UnitedHealth Group's (UNH) Q1 2025 earnings report can look strong at first glance, $109.6 billion in top line, $6.85 GAAP EPS, $7.20 adjusted EPS, $5.5 billion operating cash flow. Below the surface, however, is a strategic reset.
Tue, Jun 3
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