Repligen

RGENNASDAQUSD

THESIS ALERT

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$172.62
−$1.36 (−0.78%)Today 1M +0.06%
After hours$172.620.00%

Updated Nov 11, 4:00 PM ET · Regular session · May be delayed

Source valuation snapshot. Not a live recalculation.
Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
Diluted earnings per share from the latest filed annual.
$173.98
Prior regular-session close from the quote source.
$171.99–$178.50
Regular-session low and high so far today.
1.0M
Regular-session shares traded · Nov 11, 4:00 PM ET.
Not yet confirmed
The company has not confirmed its next report date. Reported quarters are available in the chart’s Earnings view.
$100.99–$198.87
52-week trading low and high returned by the quote source.

Understand the Business

Why the Stock Moved

Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.

The core investment thesis

Own RGEN if the post-destocking rebound in bioprocessing demand proves durable and its specialized manufacturing inputs regain operating leverage without sacrificing gross margin.

RGEN price history

Latest price$172.62Today−$1.36 (-0.78%)
RGEN +0.86%S&P 500 -2.42%Since first plotted close
4 hours

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Investment thesis

What must happen next

4 MATERIAL PROPOSITIONS
  • Biopharma manufacturing customers move from post-peak inventory digestion back to production-driven replenishment, so demand converts into recurring bioprocessing orders rather than remaining stuck in a destocking cycle.HoldingMateriality: High

    GAAP annual revenue increased to $738.3 million in FY2025 from $634.4 million in FY2024, a rebound after the FY2023-FY2024 plateau. If this holds, Repligen’s revenue base can grow from normalized customer production; if it breaks, the company remains a cyclical tools supplier with limited visibility.

    Watch: Large biopharma customers continue destocking or delay new biologics manufacturing capacity, keeping orders below production demand.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual revenue increased to $738.3 million in FY2025 from $634.4 million in FY2024, a rebound after the FY2023-FY2024 plateau.

    Open source ↗
  • Repligen’s specialized bioprocessing portfolio retains enough technical value and switching friction that the recovery is not bought through broad discounting or adverse mix.StrengtheningMateriality: High

    GAAP annual gross profit rose to $386.2 million in FY2025 from $274.6 million in FY2024. Gross-margin durability determines whether revenue recovery becomes high-quality earnings power or low-value volume growth.

    Watch: Cytiva, Thermo Fisher, Sartorius, or Merck Millipore use broader portfolios to bundle competing products and pressure Repligen pricing.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual gross profit rose to $386.2 million in FY2025 from $274.6 million in FY2024.

    Open source ↗
  • The company’s manufacturing, commercial, and R&D infrastructure has operating leverage, so incremental demand should convert into materially better operating income rather than being absorbed by fixed-cost rebuilds.HoldingMateriality: Medium

    GAAP annual operating income improved to $55.2 million in FY2025 from a GAAP operating loss of $35.1 million in FY2024. Operating leverage is the bridge from a revenue rebound to per-share value creation; without it, the business can grow while returns stay mediocre.

    Watch: Repligen must materially increase spending to defend product relevance against larger competitors’ R&D and commercial scale.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual operating income improved to $55.2 million in FY2025 from a GAAP operating loss of $35.1 million in FY2024.

    Open source ↗
  • Repligen can fund product investment, capacity, and selective acquisitions primarily from internal cash generation and balance-sheet resources rather than depending on dilutive equity or stressed borrowing.HoldingMateriality: Medium

    GAAP annual operating cash flow was positive at $117.4 million in FY2025. Self-funded growth lets owners keep more of the upside; if cash conversion weakens, growth may require capital that reduces per-share returns.

    Watch: Working-capital needs rise because customers delay payments or Repligen rebuilds inventory ahead of uncertain demand.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual operating cash flow was positive at $117.4 million in FY2025.

    Open source ↗
Full investment case & evidence

Loading the original research archive…

Original research

Biopharma manufacturing customers move from post-peak inventory digestion back to production-driven replenishment, so demand converts into recurring bioprocessing orders rather than remaining stuck in a destocking cycle. If this holds, Repligen’s revenue base can grow from normalized customer production; if it breaks, the company remains a cyclical tools supplier with limited visibility.

Repligen’s specialized bioprocessing portfolio retains enough technical value and switching friction that the recovery is not bought through broad discounting or adverse mix. Gross-margin durability determines whether revenue recovery becomes high-quality earnings power or low-value volume growth.

The company’s manufacturing, commercial, and R&D infrastructure has operating leverage, so incremental demand should convert into materially better operating income rather than being absorbed by fixed-cost rebuilds. Operating leverage is the bridge from a revenue rebound to per-share value creation; without it, the business can grow while returns stay mediocre.

Repligen can fund product investment, capacity, and selective acquisitions primarily from internal cash generation and balance-sheet resources rather than depending on dilutive equity or stressed borrowing. Self-funded growth lets owners keep more of the upside; if cash conversion weakens, growth may require capital that reduces per-share returns.

All standing thesis claims
Original report summary

the post-destocking rebound in bioprocessing demand proves durable and its specialized manufacturing inputs regain operating leverage without sacrificing gross margin.

Evidence assessed Oct 15, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

Bull case and bear case

Bull case and bear case for Repligen

Where the evidence on Repligen stands: Holding on the latest evidence (Oct 15, 2026). Of its 4 thesis points, 1 strengthening and 3 holding.

Bull case: what the evidence supports

  • Biopharma manufacturing customers move from post-peak inventory digestion back to production-driven replenishment, so demand converts into recurring bioprocessing orders rather than remaining stuck in a destocking cycle.

    sec.gov ↗

  • Repligen’s specialized bioprocessing portfolio retains enough technical value and switching friction that the recovery is not bought through broad discounting or adverse mix.

    sec.gov ↗

  • The company’s manufacturing, commercial, and R&D infrastructure has operating leverage, so incremental demand should convert into materially better operating income rather than being absorbed by fixed-cost rebuilds.

    sec.gov ↗

  • Repligen can fund product investment, capacity, and selective acquisitions primarily from internal cash generation and balance-sheet resources rather than depending on dilutive equity or stressed borrowing.

    sec.gov ↗

Bear case: what would count against it

  • Large biopharma customers continue destocking or delay new biologics manufacturing capacity, keeping orders below production demand.

    sec.gov ↗

  • Cytiva, Thermo Fisher, Sartorius, or Merck Millipore use broader portfolios to bundle competing products and pressure Repligen pricing.

    sec.gov ↗

  • Repligen must materially increase spending to defend product relevance against larger competitors’ R&D and commercial scale.

    sec.gov ↗

Thesis-Break Engine

Thesis-break watch · Repligen

Loading the break-condition record for Repligen.

How the Thesis-Break Engine works →Historical outcomes are measured against the market after past breaks of the same kind, across all companies. Not a prediction.

MARKET + FINANCIAL SNAPSHOT

The numbers behind the thesis

Sourced from filings and market data

What Changed

  1. Mixed
    Completed an acquisition or disposition of assets.

    Repligen filed an SEC 8-K on 2026-10-06: Completed an acquisition or disposition of assets. It is a dated development that tests the current thesis.

  2. Mixed
    Director or principal officer change.

    Repligen filed an SEC 8-K on 2026-09-15: Director or principal officer change. It is a dated development that tests the current thesis.

  3. Mixed
    Other material event.

    Repligen filed an SEC 8-K on 2026-09-08: Other material event. It is a dated development that tests the current thesis.

Risks / falsifiers

What could break the thesis

  • Large biopharma customers continue destocking or delay new biologics manufacturing capacity, keeping orders below production demand.
  • Cytiva, Thermo Fisher, Sartorius, or Merck Millipore use broader portfolios to bundle competing products and pressure Repligen pricing.
  • Repligen must materially increase spending to defend product relevance against larger competitors’ R&D and commercial scale.
  • Working-capital needs rise because customers delay payments or Repligen rebuilds inventory ahead of uncertain demand.

RGEN news

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Financial statements

RGEN income statement

Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.

RGEN: quick answers

Which well-known investors own RGEN?
2 of the 37 well-known funds tracked here reported RGEN shares in their latest 13F filings. By share of the fund's portfolio: Maverick Capital, 2.4%; Duquesne Family Office (Stanley Druckenmiller), 0.2%. Fund portfolios

RGEN in well-known investors’ portfolios

2 of 37 funds reported RGEN shares in their latest 13F filing. A 13F shows quarter-end positions and arrives up to 45 days later.

FundOf its portfolioValueChangeQuarter
Maverick Capital2.4%$271M+30.7%Q2 2026
Stanley DruckenmillerDuquesne Family Office0.20%$10.6MNewQ2 2026

Every fund’s portfolio

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