The paper trail

Small print.
Wide open.

A clear path from a claim to the page it came from. Here’s the filing, the research, and how we read it.

The documentS–1Anthropic, PBC26 OCT 2026 · 421 PP.
01The original SEC filingThe authoritative source, in your browser.SEC · HTML 02Download the saved filingThe complete 421-page document, optimized for downloading.PDF · 46 MB 03Download the full researchFindings, customer examples, calculations, and source references.Markdown

Page by page

Go straight to the source.

Page references count physical pages in the saved PDF, starting at 1. The printed filing number is shown separately when available.

Enter a page from 1 to 421. No PDF download needed.

From the filing

PDF page 193

Printed filing page 182 · Extracted page text

View on the SEC
Read the page text
Table of Contents

Strengths of Our Financial Model

Building  and  scaling  frontier  AI  is  one  of  the  most  important  and  capital-intensive  endeavors  in  history.  Our 
financial model provides us with the following strengths that allow us to build and scale efficiently:

•

•

•

Rapid  Revenue  Growth.  Our  enterprise  strategy  is  designed  to  drive  durable  customer  adoption  by 
embedding Claude directly into business-critical workflows and enabling the development of products 
built on Claude. We believe that enterprise customers achieve a compelling return on investment from 
Claude, as agentic workflows can drive both top-line growth and efficiency. This enables us to expand 
quickly with customers, as demonstrated by our Net Revenue Retention of approximately 900% as of 
September 30, 2026.

Compute  Efficiency.  Our  compute  efficiency  drives  more  intelligence  from  research  and  model 
development, and we believe this approach can support more customer and internal usage of Claude 
for  the  same  amount  of  compute  compared  to  other  approaches. Our  compute  efficiency  is 
demonstrated by revenue that grew 1,368% year over year for the three months ended June 30, 2026 
compared to compute and infrastructure expenses that grew 300% during the same period.

Operating Efficiency. Our operating efficiency, derived from our high talent density, our efficient go-
to-market,  and  how  extensively  our  teams  leverage  Claude  in  their  work,  enables  us  to  scale  with  a 
smaller  team  relative  to  other  large  enterprise  technology  companies.  Our  operating  efficiency  is 
demonstrated by TTM revenue per employee of over $6.6 million as of September 30, 2026, compared 
to $1.4 million as of September 30, 2025.

Our  financial  results  reflect  continued  growth  alongside  ongoing  investment  in  frontier  AI  as  demonstrated 
below: 

•

•

•

Our revenue was $11.6 billion for the three months ended June 30, 2026, up from $787 million for the 
three months ended June 30, 2025. 

Our operating margin was 8% and operating income was $1.0 billion for the three months ended June 
30, 2026, compared to an operating margin of (152)%  and  operating  loss  of $1.2 billion for the three 
months ended June 30, 2025. 

The combination of our revenue growth, compute efficiency, and operating efficiency has resulted in an 
Adjusted Operating Margin of 19% and Adjusted Operating Income of $2.2 billion for the three months 
ended  June  30,  2026  compared  to  an  Adjusted  Operating  Margin  of (129)%  and  Adjusted  Operating 
Loss of $1.0 billion for the three months ended June 30, 2025. 

The  demonstrated  growth,  scale,  and  efficiency  of  our  financial  model  help  us  to  continue  making  significant 
long-term  investments  to  build  frontier  AI  responsibly.  Our  business  trajectory  and  financial  profile  have 
enabled  us  to  access  capital  and  secure  compute  from  investors  and  partners. As  of  June  30,  2026,  we  had 
raised  an  aggregate  of $141.1 billion  of  capital  and  had  cash  and  cash  equivalents  of $112.4 billion and short-
term  investments  of $19.3 billion. Long-term investments come with risks, as we must predict compute needs 
multiple  years  into  the  future.  However,  we  believe  our  compute  efficiency  positions  us  to  amplify  returns  if 
demand is greater than our forecast and can provide financial resilience if demand is lower or arrives later than 
we anticipate.

Our Self-Reinforcing Loops

Our scale and growth create self-reinforcing loops that make Claude better over time and that we believe create 
durable competitive advantages. 

•

Improvement  Loop.  Enterprise  deployments  of  Claude  deepen  our  understanding  of  the  hard 
problems, edge cases, and domain-specific challenges that matter most to our customers. We improve 
our  models,  platform,  and  applications  based  on  feedback  from  customers  using  our  offerings  in 
production  across  their  businesses.  These  improvements  result  in  wider  deployments  and  adoption 
that fuel the next cycle of improvement.

182

Text is provided for reference. Check the original for tables, images, and exact formatting.

Find a section 16 starting points

Section links may begin before the exact paragraph cited in a finding. PDF numbers below use physical pages.

  1. Founders’ letterp. 3SEC
  2. Defined termsp. 12SEC
  3. Prospectus summaryp. 16SEC
  4. Risk factorsp. 38SEC
  5. Management’s discussion & analysisp. 144SEC
  6. Businessp. 190SEC
  7. Governancep. 254SEC
  8. Executive compensationp. 275SEC
  9. Related-person transactionsp. 293SEC
  10. Principal & selling stockholdersp. 299SEC
  11. Capital-stock rightsp. 303SEC
  12. Shares eligible for future salep. 318SEC
  13. Underwritingp. 327SEC
  14. Auditor change & expertsp. 345SEC
  15. Financial statements & notesp. 347SEC
  16. Part II & exhibit indexp. 413SEC

How this was made

Read in full.
Kept in context.

A snapshot of the filing dated , rather than a live record of later events.

3primary reviewers
421pages reviewed
43image instances checked

The review

Three primary reviewers read non-overlapping ranges of the complete main filing. All 43 embedded image instances were transcribed and visually reviewed, including the founders’ letter, charts, and customer case studies. Financial tables were also checked visually for dates, units, and column alignment.

A separate reviewer checked the draft’s calculations, accounting interpretations, and customer qualifications. An additional check covered the later merged findings. The result is 62 findings and 21 customer examples.

The boundary

Companion contracts and other exhibits named in the filing’s index are separate documents and were not independently reviewed. Customer outcomes, technical benchmarks, forecasts, and scientific priority claims remain attributed company or customer disclosures.

The numbers

Dollar figures are U.S. dollars. H1 means the six months ended June 30; Q2 means the three months ended June 30. The 2026 interim financial statements are unaudited. Our calculations show their inputs and are labeled separately from reported values.

Blank fields stay undisclosed. Figures with different periods, conditions, or potentially overlapping scopes are kept separate. An earlier tender price is not an IPO price.

What the evidence labels mean
Reported in filing
A company disclosure, with the period and accounting basis retained.
Company estimate / company claim
An estimate or assertion attributed to the company, with its uncertainty preserved.
Our calculation
A derived figure using cited inputs. It is not a separately reported company metric.
Customer example
A selected case study, with its measurement limits. It is not representative ROI.
Proposed / conditional
A status qualifier for an arrangement that is not yet effective or depends on stated conditions.

About updates. This edition is tied to the October 26, 2026 filing. Any later revision should identify its new source date and preserve the basis of earlier claims.

The footnotes are only the beginning.Explore the findings Read the story
The original, in context

Open the footnote.

A closer look at the filing

Anthropic · Form S-1PDF 1

Opening page 1…

Filed October 26, 2026. PDF is approximately 46 MB and opens only when requested. Section links may precede the exact cited paragraph.