Neurocrine Biosciences

NBIX on Nasdaq. Neurocrine Biosciences sells drugs for brain and hormone disorders to patients. Market value $14.7bn.

Watch this stockFree. We tell you when something changes.

Price checks use the past 12 months to June 2026. Quality checks use five annual reports, the latest for the year to December 2025.

We can't read total debt from the filing, so debt is left out.

Should I look at this?

Worth a closer look

Read what could go wrong

This is not advice. Check the numbers below.

Compare with another stock

Cash yield
past 12 months to June 2026
5.9%fair

For every $100 of what the whole company costs, it produced $5.94 of spare cash in the past 12 months. A savings account pays about $4.

Price to profit
past 12 months to June 2026
n/a

The filings do not give us enough to work this out.

Return on capital
five annual reports to December 2025
n/a

The filings do not give us enough to work this out.

Quality score: 80 of 100. Price score: 76 of 100. Our list needs 70 on quality and 60 on price.

$144.21 a share, 18% above its 1-year low

Over the past year the price has ranged from $122.14 to $186.12.

Pays no dividend

Prices from Monday’s close (5 October).

Five years of cash, in billions

0.2
0.3
0.4
0.6
0.7
0.9
2021202220232024202512 monthsto Jun '26
Revenue
$1.1bn$1.5bn$1.9bn$2.4bn$2.9bn
Operating margin
9.0%16.7%13.3%24.2%21.6%
Debt to equity
n/an/an/an/an/a
Shares outstanding
0.10bn0.10bn0.10bn0.10bn0.10bn

Health checks

  • Free cash flow positive5 of 5 years
  • Accounting looks honest (Beneish)Not enough data
  • Financial strength (Piotroski)4 of 8 checks we could run
  • Profit backed by cash (accruals)Yes
  • DebtUnknown
  • Revenue growth, five yearsStrong, 22.3% a year
  • Buying back its own sharesNo, 6% more shares since 2021

The quarter to June 2026

How the business did, compared with the same quarter a year earlier.

  • Sales: $959 million last quarter, up 39% on a year ago.
  • Profit: $144 million, up 34% on a year ago.
  • It keeps 24 cents of each $1 of sales as operating profit, up from 20 cents a year earlier.
  • Spare cash over the past 12 months: $870 million, up from $529 million.
  • 3% more shares than a year ago. Each share owns a bit less of the company.
  • Sales grew on a year ago in each of the last 4 quarters.
Sales by quarter
Sales by quarter
Quarter toAmount
September 2024$622m
December 2024$628m
March 2025$573m
June 2025$688m
September 2025$795m
December 2025$806m
March 2026$815m
June 2026$959m
Profit by quarter
Profit by quarter
Quarter toAmount
September 2024$130m
December 2024$103m
March 2025$8m
June 2025$108m
September 2025$210m
December 2025$154m
March 2026$198m
June 2026$144m

From the company's quarterly reports to the SEC.

Dates

Next results (estimated)
n/a
Last annual report (10-K)
11 February 2026
Next quarterly (estimated, 10-Q)
30 October 2026

Who owns it

5 long-term investors we follow own it, unchanged from 5 last quarter. 775 funds in all.

Jun '25
Dec '25
Jun '26
Largest holders overall

From 13F filings for the quarter ended 30 June 2026.

Big holders and activists

4 investors own more than 5%.

From Schedule 13D and 13G filings: anyone owning more than 5% must file one.

What insiders did

No insider bought shares on the open market in the last 12 months. 15 sold $77m, $77m of it under preset trading plans.

  • Boyer David W.
    Chief Corp. Affairs Officer
    Sold
    under a preset trading plan
    Date
    14 September 2026
    Shares
    826
    Price
    $157.45
    Value
    $130,051
  • ABERNETHY MATT
    Chief Financial Officer
    Sold
    under a preset trading plan
    Date
    14 September 2026
    Shares
    2,311
    Price
    $157.20
    Value
    $363,285
  • BENEVICH ERIC
    Chief Commercial Officer
    Sold
    under a preset trading plan
    Date
    9 September 2026
    Shares
    2,154
    Price
    $154.61
    Value
    $333,030
  • Norwalk Leslie V
    Director
    Sold
    under a preset trading plan
    Date
    28 July 2026
    Shares
    1,250
    Price
    $182.01
    Value
    $227,508
  • Delaet Ingrid
    Chief Regulatory Officer
    Sold
    under a preset trading plan
    Date
    10 July 2026
    Shares
    4,367
    Price
    $181.02
    Value
    $790,514
  • Lippoldt Darin
    Chief Legal Officer
    Sold
    under a preset trading plan
    Date
    9 July 2026
    Shares
    10,000
    Price
    $179.60
    Value
    $2m
  • Delaet Ingrid
    Chief Regulatory Officer
    Sold
    under a preset trading plan
    Date
    9 July 2026
    Shares
    8,433
    Price
    $178.72
    Value
    $2m
  • Delaet Ingrid
    Chief Regulatory Officer
    Sold
    under a preset trading plan
    Date
    8 July 2026
    Shares
    2,737
    Price
    $178.54
    Value
    $488,672
  • Delaet Ingrid
    Chief Regulatory Officer
    Sold
    under a preset trading plan
    Date
    7 July 2026
    Shares
    3,401
    Price
    $178.57
    Value
    $607,305
  • Lippoldt Darin
    Chief Legal Officer
    Sold
    under a preset trading plan
    Date
    29 June 2026
    Shares
    9,800
    Price
    $170.16
    Value
    $2m

From Form 4 filings: insiders must report trades in their own company's shares within two days.

Warning signs in its filings

Problems the company itself reported to the SEC, in its own words.

None of the warning signs we check for were found.

We look for five warning signs: doubt it can keep going, weak checks on its own accounts, a notice that its past accounts can't be relied on, a change of auditor, and one customer bringing in a big share of sales. We don't check lawsuits, investigations or debt yet.

We checked the auditor's report, internal controls, restatement notices, auditor changes and big customers in the 10-K filed 11 Feb 2026, plus the 10-Q filed 31 Jul 2026 and 6 later 8-Ks.

A 10-K is the yearly report every US company files with the SEC. An 8-K is a short notice of a big event.

What could go wrong

Cheap for a reason is the question the numbers cannot answer.

Whether the price already reflects the risks is what the deep dive is for.

What changed in the risks this year

Companies must list what could hurt them each year. These are the parts that changed since last year’s report.

  • International trade policies, including tariffs, sanctions and trade barriers may adversely affect our business, financial condition, results of operations and prospects.

    Could happen
    We source and procure APIs, precursor chemicals, and specialized equipment from international suppliers, with substantial reliance on foreign contract manufacturers in Europe. Tariff policies, particularly those affecting pharmaceutical products, could increase our costs and reduce our profitability. Additionally, recent policy discussions have included potential targeted tariffs or other trade measures specifically aimed at pharmaceutical products and ingredients as part of broader healthcare cost control or national security initiatives. In April 2025, the U.S. Department of Commerce initiated an investigation on imports of pharmaceuticals and pharmaceutical ingredients, which may result in the current U.S. presidential administration taking actions to impose tariffs on the pharmaceutical industry. The U.S. presidential administration also indicated that it may impose a 100% tariff on any branded or patented pharmaceutical product, unless a company is building a pharmaceutical manufacturing plant in the U.S. The specific impact of the investigation and announcements to enact substantial tariffs on patented pharmaceutical products remain uncertain at this time but could negatively impact our business and operations. Unlike consumer goods, pharmaceuticals face unique regulatory constraints that make rapid supply chain adjustments particularly difficult and costly. Should tariffs be imposed specifically targeting pharmaceutical imports, our production costs could rise, and it would be difficult and costly to qualify alternative sources within another country with a lower tariff rate or within the U.S., as developing and qualifying alternative sources typically requires substantial time, investment, and regulatory approvals.
    Read more
  • We are subject to stringent and changing obligations related to data privacy and information security. Our actual or perceived failure to comply with such obligations could have a material adverse effect on our reputation, business, financial condition or results of operations.

    Could happen
    Additionally, the DOJ issued a rule entitled the Preventing Access to U.S. Sensitive Personal Data and Government-Related Data by Countries of Concern or Covered Persons, which places additional restriction on certain data transactions involving countries of concern (e.g., China, Russia, Iran) and covered persons (i.e., individuals and entities who are designated as such by the U.S. Attorney General or considered “foreign persons” and are majority owned by, organized under the laws of, a primary resident in, or a contractor of, a covered person or country of concern, as applicable) that may impact certain business activities such as vendor engagements, sale or sharing of data, employment of certain individuals, and investor agreements. Violations of the rule could lead to significant civil and criminal fines and penalties. The rule applies regardless of whether data is anonymized, key-coded, pseudonymized, de-identified or encrypted, which presents particular challenges for companies like ours and may impact our ability to engage in certain transactions or agreements.
    Read more
  • Government and third-party payors may impose sales and pharmaceutical pricing controls on our products or limit coverage and/or reimbursement for our products or impose policies and/or make decisions regarding the status of our products that could limit our product revenues and delay sustained profitability.

    Could happen
    Legislators, policymakers, and payors may continue to propose and implement cost-containing measures to keep healthcare costs down. For example, in April 2025, the President issued an executive order that, among other things, directed specified agency heads to develop a Center for Medicare and Medicaid Innovation (CMMI) model that enables the Medicare program to obtain better value for high-cost prescription drugs and biological products. In May 2025, the President issued another executive order directing the administration to take immediate steps to end global freeloading and take additional aggressive action should drug manufacturers fail to offer American consumers the Most-Favored Nation (MFN) price. In December 2025, CMS issued proposed regulations that, if finalized, would create CMMI demonstrations that would institute MFN-level pricing in the Medicare Part D and Part B markets. At present, given that the demonstrations are proposed rules that may or may not be finalized or implemented , there is uncertainty as to how these and other potential legal and regulatory changes may impact our business. However, if implemented, t hese policies could reduce or limit the prices we are able to charge for our products and product candidates that we may successfully develop and for which we may obtain regulatory approval or the level of reimbursement available for our products from governmental authorities or third-party payors. Further, in January 2026, the President released The Great Healthcare Plan, a proposal which calls on Congress to codify the administration’s 16 MFN drug-pricing agreements with manufacturers and potentially extend MFN pricing to additional manufacturers. In addition, the OBBBA is expected to reduce Medicaid spending and enrollment by implementing work requirements for some beneficiaries, capping state-directed payments, reducing federal funding and limiting provider taxes used to fund the program. The OBBBA also narrows access to the Patient Protection and Affordable Care Act (ACA) marketplace exchange enrollment and declines to extend the ACA enhanced advanced premium tax credits, which expired at the end of 2025. These changes, along with other provisions of the OBBBA, are anticipated to reduce the number of Americans with health insurance. Further, an increasing number of countries use prices for medicinal products established in other countries as “reference prices” to help determine the price of the product in their own territory. Consequently, a downward trend in prices of medicinal products in some countries could contribute to similar downward trends elsewhere, including in the U.S.
    Read more
  • International trade policies, including tariffs, sanctions and trade barriers may adversely affect our business, financial condition, results of operations and prospects.

    Could happen
    Trade disputes, tariffs, restrictions and other political tensions between the U.S. and other countries may also exacerbate unfavorable macroeconomic conditions including inflationary pressures, foreign exchange volatility, financial market instability, and economic recessions or downturns. The ultimate impact of current or future tariffs and trade restrictions remains uncertain and could materially and adversely affect our business, financial condition, and prospects. While we actively monitor these risks, any prolonged economic downturn, escalation in trade tensions, or deterioration in international perception of U.S.-based companies could materially and adversely affect our business, ability to access the capital markets or other financing sources, results of operations, financial condition and prospects. In addition, tariffs and other trade developments have and may continue to heighten the risks related to the other risk factors described elsewhere in this report.
    Read more
  • The price of our common stock is volatile.

    • disruptions caused by geopolitical and macroeconomic developments, man-made or natural disasters, public health pandemics or epidemics, armed conflicts, trade restrictions, tariffs, including protectionist or retaliatory measures taken by the U.S. or other countries, the recent shutdown of the U.S. federal government and the resulting effects on its regulatory agencies, or other business interruptions; and • public concern as to the safety of our drugs.
    Read more

Read it in the annual report

The deep dive

Everything above is arithmetic on public filings. The deep dive reads the last ten years of annual reports, the proxy statements, and the earnings calls, then argues the case the way Buffett, Klarman, and Hohn would, and checks every claim against the source.

  • What the business is worth, as a range, and the margin of safety at today’s price
  • Prices to start buying, buy, and buy hard
  • The three things that would make this a mistake
  • Every number footnoted to the filing it came from
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What a finished deep dive looks like

Not advice. Numbers on this page come from SEC filings and are updated each night; prices are updated again after the US market closes. The five-year figures are rounded.