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Repligen quarterly revenue rises 10.9% to $209.3 million

Repligen's revenue growth is slowing. Results for the quarter ended September 30, 2026, from the earnings release filed with the SEC on Oct 27, 2026.

Octans ResearchPublished

Snapshot

Repligen's revenue growth is slowing: revenue rose 10.9% to $209.3 million in the quarter ended September 30, 2026, from $188.8 million a year earlier, after 11.9% year over year growth the quarter before.

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as of 09:58 ET · Realtime derived data

What We Know

Revenue for the quarter ended September 30, 2026 was $209.3 million, versus $188.8 million in the same quarter a year earlier, up 10.9%. That is its highest quarterly revenue of the last eight quarters. Diluted earnings per share swung to a loss of $0.68 a share from a profit of $0.26.

Bar chart: Repligen: revenue, last eight quarters. US$ millions by fiscal quarter end, as of Oct 27, 2026. Dec 2024 167.5; Mar 2025 169.2; Jun 2025 182.4; Sep 2025 188.8; Dec 2025 197.9; Mar 2026 194.3; Jun 2026 204.1; Sep 2026 209.3. Latest quarter $209.3M, Up 10.9% vs a year earlier.
Source: SEC EDGAR (earnings release and XBRL financial data)

Quarterly revenue by fiscal quarter end, oldest first: Dec 2024: $167.5 million; Mar 2025: $169.2 million; Jun 2025: $182.4 million; Sep 2025: $188.8 million; Dec 2025: $197.9 million; Mar 2026: $194.3 million; Jun 2026: $204.1 million; Sep 2026: $209.3 million.

Octans View

Year over year revenue change by quarter, computed from the filed figures: Dec 2025 up 18.1%; Mar 2026 up 14.8%; Jun 2026 up 11.9%; Sep 2026 up 10.9%. On those figures, Repligen'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

$RGEN adjusted close, last 6 months $RGEN adjusted close, last 6 months: series rising from 117 to 176 (+50%) from 2026-05-01 to 2026-10-27. Scale 100 to 200. 100120140160180200 2026-05-012026-10-27 $RGEN ADJUSTED CLOSE, LAST 6 MONTHS +50% 175.8
Source: Tiingo · As of 2026-10-27Indicative, not investment advice.

Sources

  1. [1]SEC EDGAR — Repligen earnings release for the quarter ended September 30, 2026 (Exhibit 99.1), filed Oct 27, 2026
  2. [2]SEC EDGAR — Repligen 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.

$209.3M

Revenue for the quarter ended September 30, 2026 was $209.3 million, versus $188.8 million in t… · What we know

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