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⚠ Forty Million Customers Supply the RestModerate threat

Anthropic (ANT) — threat to the moat

About forty million small customers supply the part of Anthropic revenue the eleven thousand nine hundred large ones do not, and that share has swung from 10% to 43% and back.

Under the large accounts sits a base of a size no other page in this collection reports. The remaining share of trailing revenue to 30 September 2026 "was generated by approximately 40 million customers, each with less than $100,000 of revenue on a TTM basis"1. Forty million customers produced the minority of the revenue.

Customers by trailing revenue tier, 30 September 2026Above $100,000more than 11,900Above $1 millionmore than 1,900Above $10 millionabout 250Anthropic Form S-1; about 40 million customers sit below $100,000
Two hundred and fifty accounts carry the top of the book.

The proportions have moved around. The large-account cohort was 90% of revenue in 2023, 57% in 2024 and 76% in 20252, so the tail was briefly the larger half and is now the smaller one again. The 2026 share is blank in the filing, which is the one number that would settle where the business has landed.

A tail of that size is worth something: it is a free source of feedback, a recruiting ground for the next large account, and the reason the company can say its growth has been "self-service and organic"3. It is also the part of the base with the weakest commitment, billed by the token with subscription terms "generally 12 months or less"4.

And it is the part exposed to litigation of a different kind. A putative class action filed in September 2026 is brought on behalf of "a purported class of purchasers of the defendants" and their paid consumer subscriptions5, which is this cohort rather than the enterprise book.

The figure that matters is the large-account share of revenue once the 2026 blank is filled. Above 76% the enterprise book is consolidating; below 57% the company is becoming a consumer business with an enterprise sales team.

References
  1. ReportedThe remaining share of trailing revenue to 30 September 2026 "was generated by approximately 40 million customers, each with less than $100,000 of revenue on a TTM basis".
    Anthropic, PBC, Form S-1 registration statement (Registration No. 333-299633), filed 26 October 2026 - revenue $41M (2023), $386M (2024), $4,585M (2025), $1,163M (H1 2025) and $16,286M (H1 2026); operating loss $(551)M, $(2,980)M, $(8,060)M, $(2,135)M and $(693)M; net loss $(1,531)M, $(8,309)M, $(41,965)M, $(12,969)M and $(80,748)M, after a change in the fair value of convertible notes, derivative liabilities and SAFEs of $(72,388)M in the first half of 2026; net loss per share $(1.42), $(5.43), $(23.04), $(7.25) and $(39.88); operating expenses in the first half of 2026 of compute and infrastructure $8,945M, personnel $3,152M, sales, marketing and partnerships $3,168M and other operating and administrative $1,714M, presented by nature with no cost-of-revenue line on the face of the statement, while Note 8 regroups the same expenses by function and gives cost of revenue of $26M, $752M, $2,773M, $1,019M and $2,380M against research and development of $422M, $2,275M, $6,338M, $1,850M and $9,741M; a Bartz settlement line of $1,500M in 2025; interest income $1,111M in the first half of 2026; revenue by geography United States $34M, $263M, $3,362M, $820M and $11,763M and International $7M, $123M, $1,223M, $343M and $4,523M; total assets $147,358M, cash and short-term investments $131,651M, accounts receivable $5,833M, convertible notes payable $108,566M, redeemable convertible preferred stock $157,510M and a total stockholders' deficit of $(127,619)M at 30 June 2026; 853,394 thousand preferred, 2,157,398 thousand Class A and 30,643 thousand Class N shares outstanding at that date; Net Revenue Retention of approximately 900 % and more than 11,900 customers above $100,000 of trailing revenue at 30 September 2026, up from more than 950 a year earlier, with more than 1,900 above $1 million and approximately 250 above $10 million; over 50% of the Fortune 500 and over 30% of the Global 2000 among them, Anthropic's revenue averaging less than 0.1% of those Fortune 500 customers' total expenses; revenue through cloud service provider marketplaces of 11% (2023), 32% (2024), 47% (2025), 44% (H1 2025) and 48% (H1 2026); $20,000M, $15,000M and $42,000M of undrawn committed note purchase agreements with Google, Amazon and an infrastructure partner; non-cancelable purchase commitments of $54,559M at 31 December 2025 rising to approximately $265.6 billion at 30 June 2026 with terms of one to 20 years, plus leases not yet commenced of approximately $50.2 billion and $321.4 billion at those dates, and named commitments of about $161.2 billion of Broadcom equipment leases, up to $120.5 billion with SpaceX.AI LLC for NVIDIA GPU compute, at least about $114.5 billion with Google, at least $110.0 billion with Amazon, up to about $44.6 billion with Nscale and at least $44.9 billion with Microsoft; a $1.5 billion Bartz copyright settlement approved by the district court in July 2026; a September 2026 Sherman Act class action alleging the frontier developers agreed to slow the pace of model improvement; a Department of War supply-chain risk designation under Section 4713 upheld 2-1 by the D.C. Circuit on 25 September 2026 with a petition for rehearing en banc pending, and June 2026 Commerce export restrictions that led Anthropic to disable Fable 5 and Mythos 5 for every customer; over 90% of contributions to its own codebase written by Claude in September 2026; one share of Class T common stock electing a majority of the board, Class A voting power capped at 49.9%, and Amazon and Google each holding more than five percent of capital stock while appearing in no row of the beneficial-ownership table, which covers voting securities only; and the statement that prior to the offering there has been no public market for the Class A common stock - the operating metrics and their definitions and limitations. — 2023 to 30 September 2026 · publ. 26 October 2026 · source ↗
  2. ReportedThe large-account cohort was 90% of revenue in 2023, 57% in 2024 and 76% in 2025, so the tail was briefly the larger half and is now the smaller one again.
    Anthropic, PBC, Form S-1 registration statement (Registration No. 333-299633), filed 26 October 2026 - revenue $41M (2023), $386M (2024), $4,585M (2025), $1,163M (H1 2025) and $16,286M (H1 2026); operating loss $(551)M, $(2,980)M, $(8,060)M, $(2,135)M and $(693)M; net loss $(1,531)M, $(8,309)M, $(41,965)M, $(12,969)M and $(80,748)M, after a change in the fair value of convertible notes, derivative liabilities and SAFEs of $(72,388)M in the first half of 2026; net loss per share $(1.42), $(5.43), $(23.04), $(7.25) and $(39.88); operating expenses in the first half of 2026 of compute and infrastructure $8,945M, personnel $3,152M, sales, marketing and partnerships $3,168M and other operating and administrative $1,714M, presented by nature with no cost-of-revenue line on the face of the statement, while Note 8 regroups the same expenses by function and gives cost of revenue of $26M, $752M, $2,773M, $1,019M and $2,380M against research and development of $422M, $2,275M, $6,338M, $1,850M and $9,741M; a Bartz settlement line of $1,500M in 2025; interest income $1,111M in the first half of 2026; revenue by geography United States $34M, $263M, $3,362M, $820M and $11,763M and International $7M, $123M, $1,223M, $343M and $4,523M; total assets $147,358M, cash and short-term investments $131,651M, accounts receivable $5,833M, convertible notes payable $108,566M, redeemable convertible preferred stock $157,510M and a total stockholders' deficit of $(127,619)M at 30 June 2026; 853,394 thousand preferred, 2,157,398 thousand Class A and 30,643 thousand Class N shares outstanding at that date; Net Revenue Retention of approximately 900 % and more than 11,900 customers above $100,000 of trailing revenue at 30 September 2026, up from more than 950 a year earlier, with more than 1,900 above $1 million and approximately 250 above $10 million; over 50% of the Fortune 500 and over 30% of the Global 2000 among them, Anthropic's revenue averaging less than 0.1% of those Fortune 500 customers' total expenses; revenue through cloud service provider marketplaces of 11% (2023), 32% (2024), 47% (2025), 44% (H1 2025) and 48% (H1 2026); $20,000M, $15,000M and $42,000M of undrawn committed note purchase agreements with Google, Amazon and an infrastructure partner; non-cancelable purchase commitments of $54,559M at 31 December 2025 rising to approximately $265.6 billion at 30 June 2026 with terms of one to 20 years, plus leases not yet commenced of approximately $50.2 billion and $321.4 billion at those dates, and named commitments of about $161.2 billion of Broadcom equipment leases, up to $120.5 billion with SpaceX.AI LLC for NVIDIA GPU compute, at least about $114.5 billion with Google, at least $110.0 billion with Amazon, up to about $44.6 billion with Nscale and at least $44.9 billion with Microsoft; a $1.5 billion Bartz copyright settlement approved by the district court in July 2026; a September 2026 Sherman Act class action alleging the frontier developers agreed to slow the pace of model improvement; a Department of War supply-chain risk designation under Section 4713 upheld 2-1 by the D.C. Circuit on 25 September 2026 with a petition for rehearing en banc pending, and June 2026 Commerce export restrictions that led Anthropic to disable Fable 5 and Mythos 5 for every customer; over 90% of contributions to its own codebase written by Claude in September 2026; one share of Class T common stock electing a majority of the board, Class A voting power capped at 49.9%, and Amazon and Google each holding more than five percent of capital stock while appearing in no row of the beneficial-ownership table, which covers voting securities only; and the statement that prior to the offering there has been no public market for the Class A common stock - the operating metrics and their definitions and limitations. — 2023 to 30 September 2026 · publ. 26 October 2026 · source ↗
  3. ReportedA tail of that size is worth something: it is a free source of feedback, a recruiting ground for the next large account, and the reason the company can say its growth has been "self-service and organic".
    Anthropic, PBC, Form S-1 registration statement (Registration No. 333-299633), filed 26 October 2026 - revenue $41M (2023), $386M (2024), $4,585M (2025), $1,163M (H1 2025) and $16,286M (H1 2026); operating loss $(551)M, $(2,980)M, $(8,060)M, $(2,135)M and $(693)M; net loss $(1,531)M, $(8,309)M, $(41,965)M, $(12,969)M and $(80,748)M, after a change in the fair value of convertible notes, derivative liabilities and SAFEs of $(72,388)M in the first half of 2026; net loss per share $(1.42), $(5.43), $(23.04), $(7.25) and $(39.88); operating expenses in the first half of 2026 of compute and infrastructure $8,945M, personnel $3,152M, sales, marketing and partnerships $3,168M and other operating and administrative $1,714M, presented by nature with no cost-of-revenue line on the face of the statement, while Note 8 regroups the same expenses by function and gives cost of revenue of $26M, $752M, $2,773M, $1,019M and $2,380M against research and development of $422M, $2,275M, $6,338M, $1,850M and $9,741M; a Bartz settlement line of $1,500M in 2025; interest income $1,111M in the first half of 2026; revenue by geography United States $34M, $263M, $3,362M, $820M and $11,763M and International $7M, $123M, $1,223M, $343M and $4,523M; total assets $147,358M, cash and short-term investments $131,651M, accounts receivable $5,833M, convertible notes payable $108,566M, redeemable convertible preferred stock $157,510M and a total stockholders' deficit of $(127,619)M at 30 June 2026; 853,394 thousand preferred, 2,157,398 thousand Class A and 30,643 thousand Class N shares outstanding at that date; Net Revenue Retention of approximately 900 % and more than 11,900 customers above $100,000 of trailing revenue at 30 September 2026, up from more than 950 a year earlier, with more than 1,900 above $1 million and approximately 250 above $10 million; over 50% of the Fortune 500 and over 30% of the Global 2000 among them, Anthropic's revenue averaging less than 0.1% of those Fortune 500 customers' total expenses; revenue through cloud service provider marketplaces of 11% (2023), 32% (2024), 47% (2025), 44% (H1 2025) and 48% (H1 2026); $20,000M, $15,000M and $42,000M of undrawn committed note purchase agreements with Google, Amazon and an infrastructure partner; non-cancelable purchase commitments of $54,559M at 31 December 2025 rising to approximately $265.6 billion at 30 June 2026 with terms of one to 20 years, plus leases not yet commenced of approximately $50.2 billion and $321.4 billion at those dates, and named commitments of about $161.2 billion of Broadcom equipment leases, up to $120.5 billion with SpaceX.AI LLC for NVIDIA GPU compute, at least about $114.5 billion with Google, at least $110.0 billion with Amazon, up to about $44.6 billion with Nscale and at least $44.9 billion with Microsoft; a $1.5 billion Bartz copyright settlement approved by the district court in July 2026; a September 2026 Sherman Act class action alleging the frontier developers agreed to slow the pace of model improvement; a Department of War supply-chain risk designation under Section 4713 upheld 2-1 by the D.C. Circuit on 25 September 2026 with a petition for rehearing en banc pending, and June 2026 Commerce export restrictions that led Anthropic to disable Fable 5 and Mythos 5 for every customer; over 90% of contributions to its own codebase written by Claude in September 2026; one share of Class T common stock electing a majority of the board, Class A voting power capped at 49.9%, and Amazon and Google each holding more than five percent of capital stock while appearing in no row of the beneficial-ownership table, which covers voting securities only; and the statement that prior to the offering there has been no public market for the Class A common stock - the business section: the mission, the core advantages, the enterprise strategy and the partner programmes. — 2023 to 30 September 2026 · publ. 26 October 2026 · source ↗
  4. ReportedIt is also the part of the base with the weakest commitment, billed by the token with subscription terms "generally 12 months or less".
    Anthropic, PBC, Form S-1 registration statement (Registration No. 333-299633), filed 26 October 2026 - revenue $41M (2023), $386M (2024), $4,585M (2025), $1,163M (H1 2025) and $16,286M (H1 2026); operating loss $(551)M, $(2,980)M, $(8,060)M, $(2,135)M and $(693)M; net loss $(1,531)M, $(8,309)M, $(41,965)M, $(12,969)M and $(80,748)M, after a change in the fair value of convertible notes, derivative liabilities and SAFEs of $(72,388)M in the first half of 2026; net loss per share $(1.42), $(5.43), $(23.04), $(7.25) and $(39.88); operating expenses in the first half of 2026 of compute and infrastructure $8,945M, personnel $3,152M, sales, marketing and partnerships $3,168M and other operating and administrative $1,714M, presented by nature with no cost-of-revenue line on the face of the statement, while Note 8 regroups the same expenses by function and gives cost of revenue of $26M, $752M, $2,773M, $1,019M and $2,380M against research and development of $422M, $2,275M, $6,338M, $1,850M and $9,741M; a Bartz settlement line of $1,500M in 2025; interest income $1,111M in the first half of 2026; revenue by geography United States $34M, $263M, $3,362M, $820M and $11,763M and International $7M, $123M, $1,223M, $343M and $4,523M; total assets $147,358M, cash and short-term investments $131,651M, accounts receivable $5,833M, convertible notes payable $108,566M, redeemable convertible preferred stock $157,510M and a total stockholders' deficit of $(127,619)M at 30 June 2026; 853,394 thousand preferred, 2,157,398 thousand Class A and 30,643 thousand Class N shares outstanding at that date; Net Revenue Retention of approximately 900 % and more than 11,900 customers above $100,000 of trailing revenue at 30 September 2026, up from more than 950 a year earlier, with more than 1,900 above $1 million and approximately 250 above $10 million; over 50% of the Fortune 500 and over 30% of the Global 2000 among them, Anthropic's revenue averaging less than 0.1% of those Fortune 500 customers' total expenses; revenue through cloud service provider marketplaces of 11% (2023), 32% (2024), 47% (2025), 44% (H1 2025) and 48% (H1 2026); $20,000M, $15,000M and $42,000M of undrawn committed note purchase agreements with Google, Amazon and an infrastructure partner; non-cancelable purchase commitments of $54,559M at 31 December 2025 rising to approximately $265.6 billion at 30 June 2026 with terms of one to 20 years, plus leases not yet commenced of approximately $50.2 billion and $321.4 billion at those dates, and named commitments of about $161.2 billion of Broadcom equipment leases, up to $120.5 billion with SpaceX.AI LLC for NVIDIA GPU compute, at least about $114.5 billion with Google, at least $110.0 billion with Amazon, up to about $44.6 billion with Nscale and at least $44.9 billion with Microsoft; a $1.5 billion Bartz copyright settlement approved by the district court in July 2026; a September 2026 Sherman Act class action alleging the frontier developers agreed to slow the pace of model improvement; a Department of War supply-chain risk designation under Section 4713 upheld 2-1 by the D.C. Circuit on 25 September 2026 with a petition for rehearing en banc pending, and June 2026 Commerce export restrictions that led Anthropic to disable Fable 5 and Mythos 5 for every customer; over 90% of contributions to its own codebase written by Claude in September 2026; one share of Class T common stock electing a majority of the board, Class A voting power capped at 49.9%, and Amazon and Google each holding more than five percent of capital stock while appearing in no row of the beneficial-ownership table, which covers voting securities only; and the statement that prior to the offering there has been no public market for the Class A common stock - the business section: the mission, the core advantages, the enterprise strategy and the partner programmes. — 2023 to 30 September 2026 · publ. 26 October 2026 · source ↗
  5. ReportedA putative class action filed in September 2026 is brought on behalf of "a purported class of purchasers of the defendants" and their paid consumer subscriptions, which is this cohort rather than the enterprise book.
    Anthropic, PBC, Form S-1 registration statement (Registration No. 333-299633), filed 26 October 2026 - revenue $41M (2023), $386M (2024), $4,585M (2025), $1,163M (H1 2025) and $16,286M (H1 2026); operating loss $(551)M, $(2,980)M, $(8,060)M, $(2,135)M and $(693)M; net loss $(1,531)M, $(8,309)M, $(41,965)M, $(12,969)M and $(80,748)M, after a change in the fair value of convertible notes, derivative liabilities and SAFEs of $(72,388)M in the first half of 2026; net loss per share $(1.42), $(5.43), $(23.04), $(7.25) and $(39.88); operating expenses in the first half of 2026 of compute and infrastructure $8,945M, personnel $3,152M, sales, marketing and partnerships $3,168M and other operating and administrative $1,714M, presented by nature with no cost-of-revenue line on the face of the statement, while Note 8 regroups the same expenses by function and gives cost of revenue of $26M, $752M, $2,773M, $1,019M and $2,380M against research and development of $422M, $2,275M, $6,338M, $1,850M and $9,741M; a Bartz settlement line of $1,500M in 2025; interest income $1,111M in the first half of 2026; revenue by geography United States $34M, $263M, $3,362M, $820M and $11,763M and International $7M, $123M, $1,223M, $343M and $4,523M; total assets $147,358M, cash and short-term investments $131,651M, accounts receivable $5,833M, convertible notes payable $108,566M, redeemable convertible preferred stock $157,510M and a total stockholders' deficit of $(127,619)M at 30 June 2026; 853,394 thousand preferred, 2,157,398 thousand Class A and 30,643 thousand Class N shares outstanding at that date; Net Revenue Retention of approximately 900 % and more than 11,900 customers above $100,000 of trailing revenue at 30 September 2026, up from more than 950 a year earlier, with more than 1,900 above $1 million and approximately 250 above $10 million; over 50% of the Fortune 500 and over 30% of the Global 2000 among them, Anthropic's revenue averaging less than 0.1% of those Fortune 500 customers' total expenses; revenue through cloud service provider marketplaces of 11% (2023), 32% (2024), 47% (2025), 44% (H1 2025) and 48% (H1 2026); $20,000M, $15,000M and $42,000M of undrawn committed note purchase agreements with Google, Amazon and an infrastructure partner; non-cancelable purchase commitments of $54,559M at 31 December 2025 rising to approximately $265.6 billion at 30 June 2026 with terms of one to 20 years, plus leases not yet commenced of approximately $50.2 billion and $321.4 billion at those dates, and named commitments of about $161.2 billion of Broadcom equipment leases, up to $120.5 billion with SpaceX.AI LLC for NVIDIA GPU compute, at least about $114.5 billion with Google, at least $110.0 billion with Amazon, up to about $44.6 billion with Nscale and at least $44.9 billion with Microsoft; a $1.5 billion Bartz copyright settlement approved by the district court in July 2026; a September 2026 Sherman Act class action alleging the frontier developers agreed to slow the pace of model improvement; a Department of War supply-chain risk designation under Section 4713 upheld 2-1 by the D.C. Circuit on 25 September 2026 with a petition for rehearing en banc pending, and June 2026 Commerce export restrictions that led Anthropic to disable Fable 5 and Mythos 5 for every customer; over 90% of contributions to its own codebase written by Claude in September 2026; one share of Class T common stock electing a majority of the board, Class A voting power capped at 49.9%, and Amazon and Google each holding more than five percent of capital stock while appearing in no row of the beneficial-ownership table, which covers voting securities only; and the statement that prior to the offering there has been no public market for the Class A common stock - legal proceedings and the intellectual-property risk factors. — 2023 to 30 September 2026 · publ. 26 October 2026 · source ↗
Sources
Generated October 26, 2026