Nebius vs Lambda: Revenue, Debt, and IPO Status

Nebius Group (NASDAQ: NBIS) is a public AI infrastructure company (spun from Yandex assets) focused on GPU cloud capacity, with explosive revenue growth driven by hyperscaler contracts and heavy capex to scale clusters.[1][2]

Q2 2026 results (reported August 12, 2026) showed group revenue of $582.3 million (up 454% YoY), with Nebius AI cloud at $575 million (98% of total, up 514% YoY). Adjusted EBITDA reached $236.2 million (41% margin). Operating cash flow turned strongly positive at $2.246 billion for the quarter (benefiting from customer prepayments), while capex hit ~$5.7 billion.[1][3]

Analysts expect Q3 2026 results (due November 12, 2026) of roughly $907–908 million revenue and an EPS loss around $0.61–$0.72. Management has guided for full-year 2026 group revenue of $3.0–3.4 billion, ~40% adjusted EBITDA margin, and year-end annualized run-rate (ARR) of $7–9 billion (Q2-end ARR stood at $3.0 billion).[4][5]

• Capex and liquidity: FY2026 capex guidance is $20–25 billion (up from prior ranges), reflecting aggressive cluster builds; Q2 alone was ~$5.7 billion, with H1 2026 purchases of property/equipment/intangibles at $8.13 billion. Cash position was ~$8 billion at Q2 end, supported by >$9 billion in expected 2026 customer prepayments and strong operating cash flows.[3][2]
• Funding: Multiple convertible note issuances (e.g., $5 billion upsized offering in August 2026 at low coupons with high conversion premiums; earlier $4.34 billion in March 2026). Equity/ATM raises included ~$2.8 billion via shares and a $2 billion Nvidia equity/warrants investment. A $3.5 billion 364-day Citi senior secured facility (announced October 2026, SOFR + 2.75–3.50%) provides bridge financing.[6][7]
• Microsoft contract: $17.4 billion (expandable to ~$19.4 billion) five-year deal (announced September 2025) for dedicated GPU capacity at the Vineland, NJ data center, deployed in tranches through 2025–2026. All tranches were delivered by Q2 2026 end; Microsoft pays irrespective of utilization (with upfront components).[8][9]
• Meta contracts: Initial ~$3 billion five-year deal (November 2025, capacity deployed by early 2026). Expanded in March 2026 to up to $27 billion total ($12 billion dedicated capacity across locations starting early 2027 on NVIDIA Vera Rubin, plus up to $15 billion for otherwise unsold capacity on certain clusters, which Nebius intends to sell first to third parties).[10][11]

This positions Nebius with contracted hyperscaler revenue to help de-risk capex, though execution on massive builds and utilization remain key risks amid sector scrutiny on third-party capacity.[12]

Lambda (private GPU cloud/neocloud provider) remains pre-IPO with no S-1 filed as of early November 2026; it is reportedly targeting a 2027 listing after a potential final private round.[13]

Publicly reported or estimated figures (primarily from company announcements, investor letters, and news) include 2025 ARR of $760 million (up 79% YoY) and a 2026 revenue projection exceeding $1.5 billion. Backlog reportedly grew from $15 billion (June 2026) to $50 billion (September 2026), with ~$35 billion tied to a single Anthropic commitment (late August 2026, ~6-year term, ~350 MW). These are not from audited public filings.[14][15]

• Funding and valuation: Series E (November 2025) raised >$1.5 billion at a reported ~$5.9 billion post-money valuation. A rumored/ongoing round (October 2026 reports) seeks up to $4 billion at $14.5 billion pre-money valuation, led by Coatue and Blackstone—this could be the last private round before a 2027 IPO.[13][15]
• Debt facilities: Multiple contract- or asset-backed facilities, including a $926 million senior secured Term Loan B (August 2026, for GB300 GPUs), a $1.008 billion senior secured fixed-rate delayed-draw term loan (closed October 2026, 6.78% fixed, investment-grade rated by DBRS/Moody’s, for committed deployments with two investment-grade offtakers), earlier ~$1 billion credit facility upsizes, and a $917 million GPU leveraged loan (August 2026). Many are tied to specific customer cash flows or hardware.[16][17]
• Microsoft agreement: Multibillion-dollar multi-year contract (announced November 2025) to deploy tens of thousands of NVIDIA GPUs, including liquid-cooled GB300 NVL72 supercomputing clusters.[18]
• Nvidia agreements/relationship: Nvidia is an investor, exclusive chip supplier, and customer via reported lease-back deals (~$1.5 billion total across tranches for thousands of servers). Lambda has raised debt specifically to purchase chips for such arrangements.[19]

Most Lambda figures are reported/estimated from news, investor letters, or company releases rather than SEC-filed audited statements (no S-1 or equivalent public financials yet); backlog and specific contract values carry concentration and execution risks.[13]

Side-by-side comparison (key metrics as of latest available data around Q3/Q4 2026 context):

Metric	Nebius Group (Public)	Lambda (Private)
Status/Filings	Public (NASDAQ: NBIS); Q2 2026 results filed; Q3 due Nov 12, 2026	Private; no S-1 filed (as of Oct/Nov 2026); targeting 2027 IPO
Latest/Recent Revenue	Q2 2026: $582.3M (group); AI cloud $575M; Q2 ARR $3.0B; FY26 guidance $3.0–3.4B	2025 ARR $760M (reported); 2026 revenue projection >$1.5B (reported/estimated)
ARR/Backlog Guidance	Targeting $7–9B year-end 2026 ARR	Backlog $50B (Sep 2026, up from $15B Jun; ~$35B Anthropic-driven, reported)
Capex	Q2 ~$5.7B; FY26 guidance $20–25B	Not publicly detailed in aggregated form; heavy debt-funded builds implied
Cash/Liquidity	~$8B cash (Q2 end); strong op. cash from prepayments	Not publicly detailed
Convertible Notes/Equity	Multiple converts (e.g., $5B Aug 2026; $4.34B Mar 2026); ~$2.8B ATM equity; $2B Nvidia equity	Equity rounds (e.g., >$1.5B Series E Nov 2025); rumored $4B round at $14.5B pre-money (Oct 2026 reports)
Debt Facilities	$3.5B Citi facility (Oct 2026); various converts and asset-backed	$926M TLB (Aug); $1B fixed-rate (Oct); $917M GPU loan; ~$1B+ credit upsizes (many contract-backed)
Microsoft Contract	$17.4B (up to $19.4B) dedicated capacity (delivered by Q2 2026)	Multibillion-dollar multi-year GPU deployment deal (Nov 2025)
Meta Contract	Up to $27B total ($12B dedicated + $15B optional)	Not reported as a major named contract
Nvidia Relationship	Supplier (chips); strategic investor	Investor + supplier + customer (lease-backs); debt for chip purchases
Key Notes/Flags	Audited public filings; hyperscaler contracts de-risk some capex	Most figures reported/estimated (investor letters/news); high backlog concentration; no public audited financials yet

For competitors or entrants: Nebius demonstrates how long-term hyperscaler take-or-pay-style contracts can accelerate growth and support financing, but requires flawless execution on multi-billion-dollar builds. Lambda illustrates the private-market path with heavy reliance on debt against contracted cash flows and customer concentration (e.g., Anthropic). Both highlight the capital intensity of GPU cloud scaling and the role of prepayments/debt in bridging to revenue recognition. Public filings (Nebius) provide more transparency than private estimates (Lambda). Additional details would come from Nebius’s imminent Q3 release or any Lambda S-1.

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Recent Findings Supplement (November 2026)

Nebius Group (NBIS) reported explosive Q2 2026 growth driven by AI cloud capacity deployments, with Microsoft contract tranches fully delivered and Meta adding major commitments, but faces near-term funding and execution scrutiny ahead of Q3 results.[1][2]

• Q2 2026 (ended June 30): Revenue reached $582.3 million (+454% YoY), beating estimates; adjusted EBITDA turned positive at $236.2 million; net loss from continuing operations $190.4 million. H1 operating cash flow $4.504 billion (heavily from customer prepayments) covered ~55% of $8.13 billion cash capex. ARR stood at $3.0 billion as of June.[3][2]
• Microsoft contract (~$17.4 billion firm, up to ~$19.4 billion with extras; five-year dedicated GPU capacity at Vineland, NJ, tied to NVIDIA GB300 systems): All planned tranches delivered by Q2 2026 per company updates.[4][5]
• Meta contracts: Initial ~$3 billion (2025), followed by ~$12 billion dedicated capacity from early 2027 plus up to $15 billion optional (announced around March 2026), contributing to >$40 billion total committed backlog.[6][7]
• Financing and balance sheet: Equity raises (e.g., ~12.7 million shares for ~$2.8 billion in Q2); ~$5.75 billion convertible notes (August 2026); $3.5 billion 364-day Citi senior secured facility (October 2026) backed by contracts. 2026 capex guidance $20–25 billion (raised earlier).[7][8]
• Outlook and risks: YE2026 ARR guidance $7–9 billion reiterated; Q3 2026 earnings (expected Nov 12, 2026) analyst consensus ~$907 million revenue and ~($0.72) EPS. Recent Bloomberg reporting (Nov 5, 2026) highlighted Microsoft reviewing neocloud partnerships amid delays/permitting, pressuring shares.[9][10]

This positions Nebius as one of the more transparent neoclouds with executed large contracts providing a borrowing base, but the capex intensity (hundreds of percent of revenue) and reliance on prepayments plus short-term debt create execution and dilution risks if Microsoft tightens terms or growth slows. Competitors or entrants must match this contract-backed financing scale or risk being outbuilt on capacity.

Q3 2026 results (due Nov 12) will be critical for confirming revenue acceleration (expected ~520% YoY), ARR trajectory toward $7–9 billion YE target, and updated capex/funding plans amid sector volatility.[11]

Lambda remains private with no S-1 filed as of late October 2026 reports; it is raising a large pre-IPO round while backlog surged on a major Anthropic deal.[12]

• IPO status: Targeting 2027 (delayed from prior 2026 plans); this round described as potentially last private financing. No public registration statement on EDGAR.[13]
• Recent funding (reported Oct 6, 2026): Up to $4 billion equity round at $14.5 billion pre-money valuation, led by Blackstone and Coatue. Prior: Series E >$1.5 billion (Nov 2025, $5.9 billion post-money); total equity >$2.3 billion. Debt includes $1 billion senior secured facility (May 2026 upsized), $926 million term loan B (Aug 2026), and ~$1–2 billion additional facilities (Aug/Oct 2026) for GPU purchases, including some leased to Microsoft.[12][13]
• Backlog and revenue: Backlog grew to ~$50 billion by September 2026 (from $15 billion in June), with ~$35 billion from Anthropic commitment (late August 2026). 2026 revenue expectations around $1.5 billion (estimates; not directly reported in filings). Earlier run rate ~$500 million (May 2025).[14]
• Contracts: Multibillion-dollar Microsoft deal (announced Nov 2025) for tens of thousands of NVIDIA GPUs (including GB300 NVL72). Nvidia leaseback arrangement (~$1.5 billion reported earlier). Anthropic as dominant new anchor.[14]

All Lambda revenue, backlog, and exact contract values are from company investor letters, press reports, or estimates—none from public quarterly filings or audited statements like Nebius’s SEC disclosures. Exact current revenue or ARR unavailable publicly.[13]

Lambda’s rapid backlog growth demonstrates demand validation but highlights concentration risk (Anthropic ~70% of recent increase) and heavy debt reliance for GPU procurement, similar to peers but without public transparency. New entrants need comparable hyperscaler or lab relationships plus debt/equity access at scale to compete on deployment speed.

Side-by-side comparison (post-May 12, 2026 data only; most recent available):

Metric	Nebius Group (NBIS)	Lambda
Public filings/earnings	Yes (Q2 2026 reported Aug 2026: $582.3M rev; Q3 due Nov 12)	None (private; no S-1)
Revenue (latest reported/expected)	Q2: $582.3M (+454% YoY); Q3 est. ~$907M	~$1.5B expected for full 2026 (est.); no exact quarterly public
ARR/Backlog	$3.0B ARR (June 2026); YE target $7–9B	~$50B backlog (Sep 2026, up from $15B June; ~$35B Anthropic)
Major contracts	Microsoft ~$17.4B (up to $19.4B; all tranches delivered Q2); Meta ~$27B+ total	Microsoft (multibillion, GPUs incl. GB300); Anthropic ~$35B; Nvidia leaseback
Capex/Funding	2026 guidance $20–25B; H1 capex $8.13B; equity/convertibles/Citi $3.5B facility	Debt-focused (multiple $1B+ facilities 2026); $4B equity round at $14.5B pre-money (Oct 2026 report)
IPO status	Public (NASDAQ: NBIS)	Private; targeting 2027 IPO after current round

Nebius offers superior public visibility on metrics and execution milestones, while Lambda shows faster recent backlog scaling but remains opaque on core financials.[5][12]

For competitors: Both underscore that winning large, prepay-heavy contracts from Microsoft/Meta/Anthropic-type customers is essential to fund gigawatt-scale builds; without them, capex burn outpaces revenue for years. Recent Microsoft scrutiny adds risk for all neoclouds reliant on hyperscaler deals.