Industries
AI Data Center Infrastructure
All research in AI Data Center Infrastructure — 18 reports.
58/100
TeraWulf: Lake Mariner Is a Real Scarce-Power Campus, but at 15.09 USD the Price Already Assumes Substantial Execution Success
TeraWulf is a former bitcoin miner turning Lake Mariner, a retired coal-plant site in Western New York, into a contracted AI/HPC campus leased to Fluidstack with Google credit support. HPC leasing became the majority of revenue for the first time in the March 2026 quarter at 21.0 million dollars, but the 6.7 billion dollar headline contract value compresses hard against build costs of 8 to 10 million dollars per MW, 3.2 billion dollars of Lake Mariner secured notes and roughly 819 million reserved shares. Rating Watch: the campus and the contracts are real, yet at 15.09 USD the price already sits above the 9 USD value implied by the conservative scenario.
47/100
GDS Holdings Deep-Dive Research
GDS Holdings is China's leading carrier-neutral third-party data center operator, packaging power, cooling, and operations into long-term capacity leases across domestic facilities and its overseas DayOne interest. Normalized Q1 2026 revenue grew only 7.9%, while RMB 2.137 billion of RMB 2.652 billion in net income came from DayOne gains and net leverage was about 4.7x. Research rating Hold: AI orders are accelerating and the capital recycling loop is opening, but leverage and execution leave the margin of safety too thin.
46/100
SiTime (SITM) Zen Horizon Research Report
SiTime is the only scaled MEMS precision-timing player globally, replacing quartz crystal oscillators at the physical-material level with silicon-based oscillators. Its MEMS segment share exceeds 80%, while AI data centers drove Q1'26 revenue up 88% and FY26 guidance to at least 80% growth, though the $3.2 billion acquisition of Renesas's timing business adds leverage, dilution, and integration uncertainty. Research rating Watch: a real moat and real growth, but the current price leaves little margin for error.
53/100
Credo (CRDO) Zen Horizon Report
The pioneer of the AI data center copper interconnect category (Active Electrical Cable, AEC) and the leader with roughly 75% share. FY2026 revenue tripled to $1.335 billion, with a 68% gross margin, 35% GAAP net margin, $1.4 billion in net cash, and almost no debt—a connectivity picks-and-shovels play that is top tier on both quality and growth. Rating Watch: a superb business bought at a price that has already prepaid years of flawless growth, with tail risks from customer concentration and geopolitics holding it down.
55/100
Astera Labs (ALAB): A Zen Horizon Report
The purest play on the AI server connectivity bottleneck, spanning four product lines (PCIe/CXL retimers, smart cable modules, CXL memory controllers, and the Scorpio fabric switch) plus the COSMOS software layer. It holds a de facto monopoly in Gen5 retimers, PCIe Gen6 already accounts for one-third of total revenue, FY2025 revenue hit $850 million (+115%), Q1 2026 reached $308 million in a single quarter (+93%), non-GAAP gross margin runs at 76%, GAAP has turned positive, and net cash sits near $1.2 billion. The business is a textbook chokehold. Rating Watch: a first-rate chokehold business priced so richly it leaves no room for any misstep.
41/100
Applied Digital Corporation: A Deep Value Investing Study
APLD is an AI data center development platform holding long-term contracts and power resources while still under construction, with total contracted revenue exceeding $23 billion and roughly 97% ownership of ChronoScale after the cloud spinoff; but customer concentration runs at 93%, free cash flow is negative, and FY2025 carried an adverse opinion on internal controls — rating Watch, with an ideal buy range of $24-28.
33/100
Bitdeer Technologies: A Deep-Value Investment Study
A capital-intensive platform combining crypto mining, in-house mining-rig design, and AI data centers. The 2025 swing to a paper profit came mostly from fair-value changes in derivative liabilities; operating cash flow is deeply negative, Q1 2026 returned to a gross loss, and borrowings sit at roughly 1.9 billion dollars. The AI pivot remains an unproven option and the stock is not cheap. Rating Watch: an understandable business that is neither high-quality nor currently inexpensive.
41/100
Cipher Digital: A Deep Value Investment Study
Cipher Mining is transitioning from a low-cost Bitcoin miner into an AI/HPC data center developer, having signed 700MW of HPC leases worth about $11.4 billion in contracted revenue and roughly $787 million in annualized NOI; but as of 2026Q1 the filings still show only a single Bitcoin Mining segment, deeply negative free cash flow, net total borrowings of about $4.73 billion, and roughly 35% potential dilution from convertible notes and warrants — at the current $18.80 price the margin of safety is insufficient, rating Watch, ideal buy range $10-14.
28/100
CleanSpark Deep-Dive Value Research
A fast-expanding, strongly executing Bitcoin miner with 50 EH/s of hashrate and a 1.8 GW power pipeline, but where AI/HPC remains an unsigned option and the current price of USD 14.69 sits above our fair-value range. Rating Watch: a capable operator in a tough industry, not yet a business a long-term value investor can hold with confidence.
31/100
HIVE Digital Technologies: In-Depth Research
A heavy-capital infrastructure company running a dual engine of Bitcoin mining plus GPU/HPC, with hash rate reaching 25 EH/s, but free cash flow has been negative for years, share issuance dilution is heavy, and at the current price of $3.35 the stock already sits near its optimistic valuation. Rating Watch: an asset-backed, high-volatility option rather than a proven long-term compounder, with no obvious margin of safety at today's price.
41/100
Hut 8 In-Depth Value Investing Research
Hut 8 is transforming from a Bitcoin miner into an energy and digital-infrastructure platform, with about 597MW of AI data center capacity under contract worth roughly $16.8 billion in base-term contract value; but 2025 revenue was just $235 million, operating cash flow was -$139 million, free cash flow remains persistently negative, and shares outstanding have grown to 112.5 million — at the current $93.31 price there is insufficient margin of safety. Rating: Watch, with an ideal buy range of $20-35.
43/100
IREN Limited: A Deep-Dive Long-Term Value Investment Study
IREN is rapidly transforming from a bitcoin miner into an AI Cloud infrastructure provider, with 4.51GW of secured power and total contracts of roughly $9.7 billion with Microsoft and $3.4 billion with Nvidia. But owner earnings remain near breakeven, capital commitments have reached $11.9 billion, and the share count has expanded from 64.75 million to 341 million shares in three years, leaving the current price of about $47.74 already near the top of the optimistic scenario with an insufficient margin of safety. Rating: Watch, with an ideal buy range of $18–25.
33/100
Riot Platforms: A Value-Investing Deep Dive
A compound option spanning Bitcoin mining, Texas power-and-land assets, and an AI/HPC data-center pivot. With 2025 operating cash flow of -570 million dollars and roughly 64% share-count expansion over three years, the current price already prices in much of the transition and leaves an insufficient margin of safety. Rating Watch: a resource-rich optionality story that has not yet proven durable, high-quality owner earnings.
45/100
Vertiv Holdings Co: Deep Research from a Long-Term Owner's Perspective
Good company, bad price: a critical-infrastructure leader benefiting from AI data-center expansion with markedly improved execution, whose 2025 order backlog reached $15 billion; at the current $322.63, roughly 81x trailing PE already exceeds even the optimistic intrinsic value, leaving no margin of safety. Rating Watch, ideal buy $110-150.
34/100
WhiteFiber: A Deep Value Investing Study
A small AI infrastructure company running two businesses, GPU cloud plus AI/HPC data center colocation, with revenue scaling fast but capex scaling faster, deeply negative FCF, heavy customer concentration, and majority control by parent Bit Digital; at roughly 11.6x P/S there is no margin of safety. Rating Watch: a high-uncertainty growth infrastructure name to track rather than own at today's price.
43/100
Modine Manufacturing: A Deep Long-Term Value Investing Study
The business is genuinely getting better (strong growth in data center cooling and Climate Solutions, plus the PT spin-off to Gentherm), but at a current P/E of ~137x and P/FCF of ~100x the stock already pays in full for a 'perfect transformation + high growth + high profitability + successful spin-off' all at once, leaving an insufficient margin of safety. Rating: Watch.
43/100
Nebius Group: A Long-Term Owner's Perspective
AI cloud infrastructure growth stock: Q1 2026 revenue of $399 million (AI Cloud is 98%), 2026 guidance of $3.0–3.4 billion, a full-year ARR target of $7–9 billion, contracted power of 3.5GW+ (75%+ owned), a multi-year dedicated deal with Microsoft plus a $12–27 billion long-term agreement with Meta. But Q1 operating cash flow of $2.258 billion was driven mainly by $3.2 billion of deferred-revenue prepayments; CapEx was $2.473 billion, free cash flow is still negative, and conservative owner earnings run about -$1.16 billion per quarter. Currently $219.94, market cap ~$55.8 billion, EV/2026E Sales ~17x. The three DCF cases are 30–70 / 80–150 / 160–240, with the current price sitting in the optimistic range.
Deep Research on AI Server ODMs, Rack-Scale Systems, Liquid Cooling, and Data Center Power Infrastructure
The second landing point of AI CapEx is shifting from a chip-centric model toward a rack-and-facility-centric one: GPUs and HBM carry the largest value but their profit leverage is already priced in, while order leverage and the profit pool are moving toward rack-scale integration, liquid-cooling core components (CDU, cold plate, QD), power distribution (transformers, PDU, UPS), high-power connectors, and short-reach copper cables. Priority names to track are Vertiv, Eaton, Schneider, Amphenol, HPE, Supermicro, Wiwynn, Quanta, Hon Hai, and Delta. Rating Watch: durable order and profit leverage is migrating from the chip layer to the boundary between the system layer and the facility layer.