Alphabet Inc. (Class A) reported $568B of remaining performance obligations at 30 Sep 2026, up 260% from a year earlier and up 9% from the previous quarter. That is 1.2 years of trailing revenue already under contract. Book-to-bill last quarter: 1.38.
Net new backlog added in the latest quarter: $48.2B.
Over the last twelve months it turned about 168% of its opening backlog into revenue (12-month conversion).
The company reports 55% of the backlog due within the first 24 months.
Customer prepayments (contract liabilities) cover 2.2% of the backlog.
Twelve-month book-to-bill: 1.87, i.e. 1.87 of new orders for every 1 of revenue recognised.
Backlog growth minus revenue growth: +238 points — orders are running ahead of revenue.
By backlog size it ranks 4th among US filers the cockpit tracks.
Disclosed counterparties: Anthropic ($200.0B), Meta ($10.0B).
Alphabet Inc. (Class A) backlog history
Remaining performance obligations at each quarter end (bars) against trailing twelve-month revenue (line).
Amounts in USD. Source: SEC XBRL filings.
Quarter end
Backlog (RPO)
TTM revenue
Coverage
Customer prepayments
30 Sep 2026
$568B
$471B
1.2 yrs
$12.6B
30 Jun 2026
$520B
$446B
1.2 yrs
$10.1B
31 Mar 2026
$468B
$422B
1.1 yrs
$9.80B
31 Dec 2025
$243B
$403B
0.6 yrs
$8.60B
30 Sep 2025
$158B
$385B
0.4 yrs
$7.40B
30 Jun 2025
$108B
$371B
0.3 yrs
$6.80B
31 Mar 2025
$92.4B
$360B
0.3 yrs
$6.60B
31 Dec 2024
$93.2B
$350B
0.3 yrs
$6.00B
30 Sep 2024
$86.8B
$340B
0.3 yrs
$4.90B
30 Jun 2024
$78.8B
$328B
0.2 yrs
$4.25B
31 Mar 2024
$72.5B
$318B
0.2 yrs
$3.97B
31 Dec 2023
$74.1B
$307B
0.2 yrs
$5.00B
Who Alphabet Inc. (Class A)'s backlog is with
Who the backlog is with: the curated counterparty ledger (company filings and releases)
Alphabet Inc. (Class A) reported $568B of remaining performance obligations at 30 Sep 2026, up 260% from a year earlier and up 9% from the previous quarter. That is 1.2 years of trailing revenue already under contract. Book-to-bill last quarter: 1.38.
How fast does Alphabet Inc. (Class A)'s backlog turn into revenue?
Over the last twelve months Alphabet Inc. (Class A) recognised revenue equal to about 168% of the backlog it started each quarter with.
Who are Alphabet Inc. (Class A)'s biggest backlog customers?
Disclosed counterparties: Anthropic ($200.0B), Meta ($10.0B).
About these numbers
Remaining performance obligations (RPO) are revenue a company has contracted but not yet recognised, as reported in its SEC filings (XBRL tag RevenueRemainingPerformanceObligation). Coverage = backlog ÷ trailing twelve-month revenue. Book-to-bill = (change in backlog + revenue) ÷ revenue. Conversion = revenue recognised ÷ the backlog at the start of each quarter, summed over four quarters. Counterparty values come from company filings and releases.