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Guardant Health quarterly revenue jumps 36.1% to $361.0 million

Guardant Health's revenue growth is slowing. Results for the quarter ended September 30, 2026, from the earnings release filed with the SEC on Nov 5, 2026.

Octans ResearchPublished

Snapshot

Guardant Health's revenue growth is slowing: revenue jumped 36.1% to $361.0 million in the quarter ended September 30, 2026, from $265.2 million a year earlier, after 44.3% year over year growth the quarter before.

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($GH)▼ −1.67%150.87

as of 16:00 ET · Realtime derived data

What We Know

Revenue for the quarter ended September 30, 2026 was $361.0 million, versus $265.2 million in the same quarter a year earlier, up 36.1%. That is its highest quarterly revenue of the last eight quarters.

Bar chart: Guardant Health: revenue, last eight quarters. US$ millions by fiscal quarter end, as of Nov 5, 2026. Dec 2024 201.8; Mar 2025 203.5; Jun 2025 232.1; Sep 2025 265.2; Dec 2025 281.3; Mar 2026 301.7; Jun 2026 335.0; Sep 2026 361.0. Latest quarter $361.0M, Up 36.1% vs a year earlier.
Source: SEC EDGAR (earnings release and XBRL financial data)

Quarterly revenue by fiscal quarter end, oldest first: Dec 2024: $201.8 million; Mar 2025: $203.5 million; Jun 2025: $232.1 million; Sep 2025: $265.2 million; Dec 2025: $281.3 million; Mar 2026: $301.7 million; Jun 2026: $335.0 million; Sep 2026: $361.0 million.

Octans View

Year over year revenue change by quarter, computed from the filed figures: Dec 2025 up 39.4%; Mar 2026 up 48.3%; Jun 2026 up 44.3%; Sep 2026 up 36.1%. On those figures, Guardant Health's revenue growth is slowing. That read compares the latest two year over year growth rates and nothing else.

Bear Case · Room for Disagreement

This brief covers reported revenue and diluted earnings per share only. It does not cover guidance, margins, segment results, cash flow or the earnings call, and it makes no forecast. Revenue is the total on the release line we matched; a company's own adjusted measures can differ.

Method and source. Octans Research matched the revenue line in the earnings release (Exhibit 99.1) to the year ago quarter the company reported in its own XBRL financial data; the two must agree before anything is published. The quarterly history comes from the same XBRL data. The text is generated from those verified figures by a fixed template; no model wrote it.

Chart

$GH adjusted close, last 6 months $GH adjusted close, last 6 months: series rising from 98.5 to 151 (+53.2%) from 2026-05-13 to 2026-11-06. Scale 80 to 200. 80100120140160180200 2026-05-132026-11-06 $GH ADJUSTED CLOSE, LAST 6 MONTHS +53.2% 150.9
Source: Tiingo · As of 2026-11-06Indicative, not investment advice.

Sources

  1. [1]SEC EDGAR — Guardant Health earnings release for the quarter ended September 30, 2026 (Exhibit 99.1), filed Nov 5, 2026
  2. [2]SEC EDGAR — Guardant Health XBRL financial data (company facts)

These are the sources this piece was drafted from. How we verify. Found an error? Tell us and we correct it in public.

$361.0M

Revenue for the quarter ended September 30, 2026 was $361.0 million, versus $265.2 million in t… · What we know

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