Repligen Corporation
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Range $142 – $160
Price Chart
About the company
Repligen Corporation specializes in the creation and distribution of advanced bioprocessing technologies and integrated systems. These solutions are vital for various stages of biological drug production, serving clients across North America, Europe, the Asia Pacific region, and other international markets. The company's diverse product portfolio includes crucial components for biomanufacturing.
- CEO
- Olivier Loeillot
- IPO
- 1986
- Employees
- 2,000
- HQ
- Waltham, MA, US
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Similar companies
Peers in the same neighborhood.
- Market Cap
- $10.23B
- P/E
- 244.84
- Fwd P/E
- 87.90
- PEG
- 0.30
- P/S
- 13.02
- P/B
- 4.84
- EV/EBITDA
- 84.62
- Div Yield
- 0.00%
- Gross Margin
- 51.05%
- Op Margin
- 8.32%
- Net Margin
- 5.29%
- ROE
- 1.98%
- ROIC
- 1.83%
Latest fiscal year · YoY change
- Revenue
- $738.26M+16.4%
- Gross Profit
- $347.62M+26.6%
- Op Income
- $59.58M
- Net Income
- $48.89M+291.6%
- EPS
- $0.87+289.1%
- OCF Growth
- -33.1%
- FCF Growth
- -34.1%
- 52W High
- $188.73
- 52W Low
- $100.99
- 50D MA
- $144.94
- 200D MA
- $140.30
- Beta
- 1.01
- RSI (14)
- 76
- Avg Volume
- 1.11M
Earnings call summaries
Pick a quarter — each call distilled into takeaways, results, and a bull vs bear read.
Repligen delivered a strong Q1 with 15% reported revenue growth, margin expansion, and raised full-year EPS guidance while leaving organic growth outlook intact.· May 5, 2026
- Q1 revenue was $194 million, up 15% reported and 11% organic, with adjusted EPS of $0.48 versus $0.39 last year.
- Adjusted gross margin expanded to 55.5% and adjusted operating margin rose to 15.4%, helped by volume leverage, pricing, mix and cost discipline.
- Management raised full-year revenue guidance to $803 million to $833 million and lifted adjusted EPS guidance to $1.97 to $2.05.
- Analytics grew 50%+ in Q1, chromatography rose over 25%, proteins grew mid-teens and services grew 30%+; Asia Pacific was the fastest-growing region.
- A new transformation office, the Polymem divestiture and a China OEM partnership are intended to improve margins and strengthen long-term growth.
First-quarter 2026 revenue was $194 million, up 15% reported year over year and 11% organic; foreign currency added 3 points and the upstream Analytics acquisition added 2 months of inorganic contribution. Adjusted gross profit was $108 million with adjusted gross margin of 55.5%, up 180 basis points year over year. Adjusted income from operations was $30 million, up 28% year over year, and adjusted operating margin was 15.4%, up 160 basis points. Adjusted EBITDA was $40 million, just under 21% margin; adjusted net income was $27 million, up 22%; adjusted diluted EPS was $0.48 versus $0.39 a year ago. Cash and marketable securities ended the quarter at $785 million, up $17 million sequentially. For full-year 2026, management now expects revenue of $803 million to $833 million, or 9% to 13% growth on both a reported and organic basis. They now expect 110 to 160 basis points of gross margin expansion, adjusted operating income of $124 million to $132 million, and adjusted diluted EPS of $1.97 to $2.05. The guide assumes mid-single-digit Filtration growth, greater than 20% Chromatography growth, Proteins growth greater than low double digits, and 20%+ Analytics growth. Management also said Q2 organic growth should be similar to Q1, Q2 gross margin should be slightly below the full-year range, and the year does not require a second-half acceleration to hit the midpoint of guidance.
Olivier Loeillot struck an upbeat tone, saying execution was strong across all customer segments and geographies and that the quarter reinforced confidence in the full-year outlook. He highlighted strategic actions including the launch of a transformation office, the sale of the noncore Polymem business, and a new OEM partnership in China. He framed China, analytics, proteins and process intensification as major multiyear growth opportunities and repeatedly emphasized confidence that capital equipment demand will eventually open up more broadly.
Jason Garland focused on margin mechanics, liquidity and the updated guide. He said Q1 gross margin benefited from volume leverage, pricing execution, favorable mix and some cost absorption timing, while OpEx grew 11% organically as the company balanced investment and margin expansion. He noted $785 million of cash and marketable securities at quarter-end, $20 million of cash from operations, $5 million of CapEx, and expected CapEx of about 3% to 4% of 2026 revenue. He also said the transformation office should deliver at least one point of annualized margin benefit by the end of 2027, with $5 million to $6 million of nonrecurring charges through 2027.
Analysts pressed on what drove the Q1 margin beat, and management said it was mostly volume leverage, pricing and mix, with some timing benefits that will unwind later in the year. They also asked about the transformation office, and management said it is intended to create a more structured fit-for-growth program and is additive to normal annual margin expansion. Other key questions centered on equipment orders, China, emerging biotech and ATF; management said order intake improved sharply in March, China demand is largely local and strong, emerging biotech is rebounding but still below historical levels, and ATF is temporarily moderated by customer inventory timing but should become a tailwind again in 2027.
The call supported a bull case that Repligen is executing well operationally and still has multiple growth engines. Q1 growth was broad-based, gross and operating margins expanded, the company raised EPS guidance, and management described unusually strong funnels, improving order trends and early signs of better customer decision-making. The China partnership, the transformation office and momentum in Analytics, chromatography and proteins all point to additional upside if conversion continues.
The main risks discussed were timing-related rather than demand collapse: management said some margin benefits will unwind as the year progresses, Q2 and Q3 margins will be lower than Q1, and the guide does not require second-half acceleration. ATF is being moderated by temporary customer inventory management, and emerging biotech, while improving, is still below historical levels. Management also acknowledged that decision-making remains slow for bigger equipment projects and that customer site readiness could delay revenue recognition into 2027.
AI summary of the company's earnings call · Paraphrased · Not investment advice
- Free Float
- 94.6%
- Shares Outstanding
- 56.44M
- Float Shares
- 53.37M
of shares held by institutions
453 13F filers
Buy/sell ratio 0.00. Sells can include pre-scheduled 10b5-1 plan sales, not just discretionary selling.
Congressional trading
Senate and House stock disclosures for RGEN, newest first.
| Member | Type | Traded | |
|---|---|---|---|
| Lisa McClainHouse · MI09 | Sell | Jun 17, 25 | Filing → |
| Lisa McClainHouse · MI09 | Buy | Jul 22, 25 | Filing → |
| Lisa McClainHouse · MI09 | Buy | Jun 11, 25 | Filing → |
| Ro KhannaHouse · CA17 | Sell | Apr 11, 22 | Filing → |
| Ro KhannaHouse · CA17 | Buy | Feb 17, 22 | Filing → |
| Ro KhannaHouse · CA17 | Buy | Jan 11, 22 | Filing → |
| Ro KhannaHouse · CA17 | Sell | Jan 20, 22 | Filing → |
Source: public STOCK Act disclosures. Filed weeks after the trade — a lagging signal, not a real-time one.
Top institutional holders
Largest 13F positions, with quarter-over-quarter change.
| Holder | Shares | Δ Quarter |
|---|---|---|
| Blackrock, Inc. | 5.38M | ▼ 608.12K |
| Vanguard Group Inc | 4.99M | ▼ 50.25K |
| Fmr LLC | 3.33M | ▲ 439.90K |
| United Capital Financial Advisers, LLC | 2.79M | ▲ 16.67K |
| Vanguard Capital Management LLC | 2.41M | ▲ 14.66K |
| Maverick Capital Ltd | 1.98M | ▲ 465.75K |
| State Street Corp | 1.80M | ▲ 23.25K |
| Price T Rowe Associates Inc | 1.75M | ▼ 3.13M |
| Massachusetts Financial Services Co | 1.62M | ▲ 219.51K |
| Wasatch Advisors LP | 1.59M | ▲ 346.72K |
| Ameriprise Financial Inc | 1.58M | ▲ 650.92K |
| Bank Of New York Mellon Corp | 1.52M | ▼ 8.54K |
Held by 421 ETFs
Biggest fund positions in RGEN by dollar value.
Recent insider transactions
Who's buying, who's selling, and how much.
| Date | Insider | Type | Shares |
|---|---|---|---|
| Jul 16, 26 | Garland Jason K | sell | 530 |
| Jun 25, 26 | Garland Jason K | sell | 733 |
| May 14, 26 | Madaus Martin D | other | 995 |
| May 14, 26 | Madaus Martin D | other | 2,239 |
| May 14, 26 | Konstantinov Konstantin | other | 995 |
| May 14, 26 | Konstantinov Konstantin | other | 2,239 |
| May 14, 26 | EGLINTON MANNER CARRIE | other | 995 |
| May 14, 26 | Mhatre Rohin | other | 995 |
| May 14, 26 | Mhatre Rohin | other | 2,239 |
| May 14, 26 | EGLINTON MANNER CARRIE | other | 2,239 |
A “Sell” may be a pre-scheduled 10b5-1 plan sale rather than a discretionary decision — read insider selling with that in mind.
Our RGEN coverage
Recent articles, reports, and earnings notes.

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Repligen Corporation $RGEN Shares Acquired by Avidity Partners Management LP
defenseworld.net · Aug 1
Wall Street Analysts Believe Repligen (RGEN) Could Rally 25.72%: Here's is How to Trade
zacks.com · Jul 30
Repligen Beats Q2 Earnings Estimates, Raises 2026 View, Stock Up
zacks.com · Jul 29
Repligen Corporation (RGEN) Q2 2026 Earnings Call Transcript
seekingalpha.com · Jul 28
Repligen Q2 Earnings Call Highlights
marketbeat.com · Jul 28
Repligen (RGEN) Beats Q2 Earnings and Revenue Estimates
zacks.com · Jul 28
Repligen Reports Second Quarter 2026 Financial Results and Updates Full Year 2026 Financial Guidance
globenewswire.com · Jul 28
American Capital Management Inc. Purchases 22,605 Shares of Repligen Corporation $RGEN
defenseworld.net · Jul 28
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