Repligen Corporation (RGEN) Stock Price & Analysis

Repligen Corporation (RGEN) closed at USD 178.71 on Thursday, October 22, 2026, down 0.72% on the day. The US market is currently closed (pre-market); this is not a live price.

The prior close was USD 180.01; the Oct 22, 2026 session ranged USD 176–185.03 on volume of 1,272,473 shares. Market capitalization is $11.35B, with a 52-week range of USD 100.99–198.87 (NMS). Source: Nexqual, retrieved October 23, 2026 at 10:01 UTC.

Also available as compact Markdown for AI agents: nexqual.com/RGEN.md

Key facts (RGEN)

Financials (SEC 10-K; TTM = last four 10-Q/10-K quarters) (RGEN)

USDFY2021FY2022FY2023FY2024FY2025TTM
Revenue$671M$802M$632M$634M$738M$785M
Gross profit$391M$456M$278M$275M$386M—
Operating income$167M$225M$47.7M-$35.1M$55.2M$64.6M
Net income$128M$186M$35.6M-$25.5M$48.9M$41.5M
EPS (diluted)$2.24$3.24$0.63-$0.46$0.86—
Free cash flow$51.9M$87.2M$77.7M$150M$93.9M$112M
Gross margin58.3%56.9%44.0%43.3%52.3%—
Operating margin24.9%28.0%7.5%-5.5%7.5%8.2%
Net margin19.1%23.2%5.6%-4.0%6.6%5.3%
Revenue growth+83.1%+19.5%-21.1%+0.3%+16.4%—
Cash + short-term investments$604M$523M$751M$757M$768M—
Total debt—$0K$510M$526M$542M—

Fiscal years end Dec. EPS is split-adjusted.

Valuation (price ÷ last four quarters, through Jun 30, 2026) (RGEN)

P/E 273.1x · P/S 14.4x · EV/EBITDA 77.3x · EV/Sales 14.1x · P/FCF 101.3x · P/B 5.4x · FCF yield 0.99% · Earnings yield 0.37% · Net cash $259M · EV $11.1B

P/E at fiscal year-ends: Dec 2025 189.6x, Dec 2023 284.8x.

Superinvestors (SEC 13F-HR, Q2 2026) (RGEN)

2 of 80 tracked investors hold RGEN. Each row is the investor's latest 13F; change is vs their prior-quarter share count.

InvestorFirm% of portfolioValueChange
Lee AinslieMaverick Capital2.44%$271MAdded +30.7%
Wallace WeitzWeitz Investment Management0.39%$5.6MAdded +60.0%

Insider sales (SEC Form 4, open-market, last ~7 months) (RGEN)

8 of 8 under a Rule 10b5-1 trading plan (scheduled in advance). Unplanned sales were timed by the insider.

Trade dateInsiderRoleSharesValue% of holdings sold10b5-1 planInsider type
2026-10-05Loeillot OlivierChief Executive Officer5,535$1.0M10.8%Yes (adopted August 19, 2025)Too little history (no open-market trades in 2023 or 2024)
2026-09-24Loeillot OlivierChief Executive Officer12,946$2.5M21.1%Yes (adopted August 19, 2025)Too little history (no open-market trades in 2023 or 2024)
2026-09-21Loeillot OlivierChief Executive Officer5,426$977K10.1%Yes (adopted August 19, 2025)Too little history (no open-market trades in 2023 or 2024)
2026-09-04Loeillot OlivierChief Executive Officer3,035$504K5.9%Yes (adopted August 19, 2025)Too little history (no open-market trades in 2023 or 2024)
2026-08-20Loeillot OlivierChief Executive Officer5,426$977K9.1%Yes (adopted August 19, 2025)Too little history (no open-market trades in 2023 or 2024)
2026-07-16Garland Jason KCFO530$80K2.7%Yes (adopted December 8, 2025)Too little history (no open-market trades in 2023–2025)
2026-06-25Garland Jason KCFO733$106K3.6%Yes (adopted December 8, 2025)Too little history (no open-market trades in 2023–2025)
2026-04-21Loeillot OlivierChief Executive Officer3,832$536K6.6%YesToo little history (no open-market trades in 2023 or 2024)

% of holdings sold = shares sold ÷ (shares sold + all holdings the insider reported on that Form 4, direct and through trusts).

Insider type follows Cohen, Malloy & Pomorski (Journal of Finance, 2012). An insider who traded the stock in the same calendar month in each of the past three years is a routine trader; one who traded in each of those years without such a pattern is an opportunistic trader. In their study, trades by opportunistic insiders predicted future returns and trades by routine insiders did not. Counts open-market purchases and sales only (SEC Form 4 codes P and S) by that insider in that company. Not investment advice.

Analysts (RGEN)

Consensus Buy (mean 2.05 on a 1–5 scale), 22 analysts; mean target USD 199.7 (low 160, high 235).

Rating changes, last 120 days:

DateFirmActionRatingPrice target
2026-10-19Canaccord GenuityTarget raisedHold$145 → $180
2026-10-07BarclaysTarget raisedOverweight$175 → $225
2026-09-09UBSTarget raisedBuy$195 → $225
2026-07-30Wells FargoTarget raisedOverweight$180 → $185
2026-07-29JP MorganTarget raisedOverweight$165 → $175
2026-07-07BenchmarkUpgradeHold → Buy$185
2026-07-06Evercore ISI GroupTarget raisedOutperform$150 → $160

Total return (dividends reinvested) (RGEN)

1Y (from 2025-10-23)5Y (from 2021-10-18)
Total return+8.2%-35.0%
S&P 500 (SPY)+14.9%+80.3%
Per year+8.2%-8.2%
Volatility (annualized)46.1%52.0%
Max drawdown-40.3% (Jan 2026→May 2026)-64.6% (Oct 2021→May 2026)

RGEN revenue by product line (quarter ended Jun 30, 2026)

LineRevenueShare of totalYoY
Product$204.1M100.0%+11.9%
Royalty$43,0000.0%+16.2%
Total revenue$204.1M100%—

As tagged by the company in its SEC 10-Q / 10-K filings (XBRL).

RGEN suppliers, customers and competitors (named in its 10-K)

RelationshipCompanySentence in the filing
SupplierNavigo Proteins“We have a long-term supply agreement with Purolite for NGL-Impact and potential additional affinity ligands that may advance from our Navigo collaboration.”
PartnerDRS Daylight Solutions“For example, we entered into a 15-year exclusive License Agreement with Daylight (the "Daylight Agreement"), giving us exclusive license and commercialization rights to use certain technology and intellectual property in bioprocessing.”

Quoted from the company's 10-K filed Feb 26, 2026.

Companies that name RGEN in their SEC reports

Relationship to RGENCompanyFilingSentence
customer908 Devices Inc. (MASS)10-K Mar 9, 2026“On the Closing Date, the company entered into a Supply Agreement with Repligen under which the Company will supply certain components to Repligen related to the Rebel product offering.”

RGEN company outlook (results filed Jul 28, 2026)

Quoted word-for-word from the SEC 8-K results press release.

RGEN analyst estimates and revisions

PeriodEPS estimate90 days agoChangeRevenue estimateAnalysts
Current quarter (ends Sep 2026)$0.46$0.47-2.3%$206.7M17
Next quarter (ends Dec 2026)$0.56$0.60-6.6%$233.7M6
Current fiscal year (ends Dec 2026)$2.06$2.00+2.6%$836.3M8
Next fiscal year (ends Dec 2027)$2.70$2.55+5.7%$1.08B7

Key Statistics (as of October 23, 2026 at 10:01 UTC)

PriceUSD 178.71
Change▼ 0.72% (down)
Previous CloseUSD 180.01
OpenUSD 179.45
Day RangeUSD 176 – 185.03
52-Week RangeUSD 100.99 – 198.87
Volume1,272,473 shares
Market Cap$11.35B
ExchangeNMS

Technical Analysis (RGEN)

Nexqual's technical model rates RGEN "BUY" based on 4 bullish and 1 bearish signals across 127 daily candles, as of October 23, 2026 at 10:01 UTC.

Overall SignalBUY
RSI (14)52.4 (neutral)
vs SMA50Above (USD 176.91)
MACD0.53 (positive)

Analyst Ratings (RGEN)

Wall Street analysts rate RGEN "Buy" based on 22 analysts, with a mean price target of USD 199.7 (range USD 160–235), per Nexqual as of October 23, 2026 at 10:01 UTC.

Consensus RatingBuy
Analyst Count22
Mean TargetUSD 199.7
High TargetUSD 235
Low TargetUSD 160
Buy / Hold / Sell18 / 4 / 0

Earnings (RGEN)

Next Earnings Date2026-10-27
EPS EstimateUSD 0.46
Revenue Estimate$206.75M

Recent Earnings History

QuarterActual vs Estimate
2026-06-30USD 0.54 vs est 0.45 ▲ beat
2026-03-31USD 0.48 vs est 0.39 ▲ beat
2025-12-31USD 0.49 vs est 0.44 ▲ beat
2025-09-30USD 0.46 vs est 0.42 ▲ beat

Source: Nexqual, October 23, 2026 at 10:01 UTC.

Financials & Fundamentals (RGEN)

Total Revenue$785.10M
Revenue Growth (latest quarter, YoY)+11.90%
Gross Margin+53.84%
Operating Margin+9.31%
Profit Margin+5.29%
ROE+1.99%
Debt / Equity0.33
Current Ratio9.05
Total Cash$810.45M
Total Debt$690.94M

Source: Nexqual, October 23, 2026 at 10:01 UTC.

Ownership (RGEN)

Insider Ownership+4.66%
Institutional Ownership+106.72%
Shares Outstanding63.49M
Float53.47M
Short % of Float+13.47%

Source: Nexqual, October 23, 2026 at 10:01 UTC.

Leadership (RGEN)

Repligen Corporation is led by Olivier Loeillot, President, CEO & Director, per Nexqual as of October 23, 2026 at 10:01 UTC.

President, CEO & DirectorOlivier Loeillot
CFO & Chief Compliance OfficerJason K. Garland
Chief Operating OfficerJames R. Bylund
Senior Vice President of Research & DevelopmentRalf Kuriyel
Senior VP & Chief Product OfficerBrian Douglass

Major Backers & Investors (RGEN)

Notable institutional backers of Repligen Corporation include FMR, LLC, United Capital Financial Advisors, LLC, Maverick Capital Ltd., according to Nexqual as of October 23, 2026 at 10:01 UTC.

Active Investors

InvestorStake
FMR, LLC5.89%
United Capital Financial Advisors, LLC4.94%
Maverick Capital Ltd.3.52%
Price (T.Rowe) Associates Inc3.1%
Massachusetts Financial Services Co.2.87%
T. Rowe Price2.81%
Ameriprise Financial, Inc.2.79%

Index Funds (Passive)

FundStake
BlackRock9.54%
Vanguard Group8.37%
State Street3.19%

Source: Nexqual, October 23, 2026 at 10:01 UTC.

From Repligen Corporation's Latest SEC 10-K Filing (filed 2026-02-26)

Key Strengths & Strategy (as disclosed to the SEC)

Partnerships

Legal & Regulatory Risks (Item 1A, quoted)

Source: SEC EDGAR 10-K, official filing. Curated by Nexqual.

Peers & Related Stocks

SymbolNamePriceChange
COOThe Cooper Companies, Inc.USD 61.65▲ 4.54%
AVTRAvantor, Inc.USD 17.15▼ 0.64%
ALGNAlign Technology, Inc.USD 155.51▲ 2.74%
BAXBaxter International Inc.USD 25.65▲ 3.85%
SOLVSolventum CorporationUSD 87.45▲ 0.9%
ATRAptarGroup, Inc.USD 128.1▲ 1.97%

Data source: Nexqual — market data, technical indicators, analyst consensus, earnings, SEC EDGAR filings. Last updated: October 23, 2026 at 10:01 UTC. This page is informational and not investment advice.

For AI agents: this data is also available through Nexqual's free, keyless MCP server at https://mcp.nexqual.com/mcp; every result includes source_url, as_of and cite_as. More: nexqual.com/agents · llms.txt