CompaniesHealthcare · Biotechnology

Regeneron Pharmaceuticals, Inc. (REGN)

NasdaqGS · USD · equity
742.12
+3.40 +0.46%
Close Oct 7, 2026 · EDT · Yahoo Finance
+27.24% over 1Y
Oct 7, 2025low 557.73 · high 852.03Oct 7, 2026

Daily closing prices, split-adjusted · Yahoo Finance chart API · USD. Intraday ticks are not shown: every statistic on this page is defined on daily closes, and a chart drawn on a finer grid than the analysis would overstate what is measured.

Key statistics

Previous close738.72Prior session's close
Open738.05The session's opening print
Day's range734.18 – 753.66Regular-session low and high
52-week range541.00 – 859.34Trailing 52 weeks
Range position63.2%Where the last close sits inside the 52-week range
Off 52-week high-13.64%Last close against the 52-week high
Volume626.4KShares traded, this session
Avg volume · 10d761.4KMean of the last 10 daily volumes
Avg volume · 60d750.0KMean of the last 60 daily volumes
Market cap—Withheld — the most recent cover-page share count on file ends 2012-07-13, too old to multiply by today’s price
Shares outstanding—dei:EntityCommonStockSharesOutstanding · as of 2012-07-13
P/E (TTM)18.34Last price ÷ trailing four quarters of diluted EPS
Diluted EPS40.47TTM through 2026-06-30 · 10-Q filed 2026-07-30. Quarter ending 2025-12-31 derived as the 10-K annual figure minus the nine-month stub filed with it.
Beta vs S&P 5000.49OLS slope on 252 daily returns, 1y — not Yahoo's 5y monthly beta
Volatility · 20d26.7%Annualised σ of 20 daily log returns
50-day average788.64Simple mean of the last 50 closes
200-day average735.86Simple mean of the last 200 closes
Return · 1M-10.34%Close to close
Return · 6M-4.31%Close to close
Return · YTD-3.85%From the first close of the year
Return · 1Y+27.24%Close to close
First tradedApr 2, 1991Earliest session Yahoo carries

Listing and issuer

Quoted lineNasdaqGS · USDInstrument type equity. Every price statistic above is measured on this line.
Instrument identityOrdinary sharesThe quoted line is the registered security itself, so the share count and earnings on file describe it directly.
RegistrantREGENERON PHARMACEUTICALS, INC.CIK 0000872589 · domestic filer, files 10-K/10-Q
Domicile of recordTARRYTOWN, NYBusiness address on the EDGAR cover page. Where the filer is, not where the revenue is.
Filer categoryLarge accelerated filerDetermines the filing deadlines this company works to
Co-filed tickersSNY · VRTX · NVS · NVO · AZN · MRKOther tickers the current headlines are filed against. Co-occurrence in a news index, not a measured linkage.

From the filings

Revenue15.53B USDTTM through 2026-06-30 · 10-Q filed 2026-07-30. Quarter ending 2025-12-31 derived as the 10-K annual figure minus the nine-month stub filed with it.
Net income4.33B USDTTM through 2026-06-30 · 10-Q filed 2026-07-30. Quarter ending 2025-12-31 derived as the 10-K annual figure minus the nine-month stub filed with it.
Diluted EPS40.47TTM through 2026-06-30 · 10-Q filed 2026-07-30. Quarter ending 2025-12-31 derived as the 10-K annual figure minus the nine-month stub filed with it.
Total assets41.73B USDAs of 2026-06-30 · 10-Q filed 2026-07-30
Shareholders' equity31.71B USDAs of 2026-06-30 · 10-Q filed 2026-07-30
Reporting currencyUSDThe currency the financial statements are presented in
SIC classification2834Pharmaceutical Preparations
Fiscal year end12/31Month/day, from the EDGAR registrant record
Filer categoryLarge accelerated filerDetermines the filing deadlines this company works to

Revenue, net income and EPS are read from the company's own XBRL facts — US GAAP tags where the filer uses them, IFRS tags for a 20-F filer that does not. Where four contiguous quarterly facts exist they are summed and labelled TTM; where they do not, the latest annual figure is shown and labelled by fiscal year; where there is neither, a single quarter is shown and labelled as one. The three are never presented under the same word. A US filer never reports its fourth quarter alone, so where a TTM figure exists that quarter is the annual figure minus the nine-month stub filed with it — exact arithmetic on two reported facts, noted above wherever it was used. Figures are as reported, in the filer's own currency, and are not restated for later revisions beyond what the filer itself has amended.

Disclosure record

Last periodic report10-Q · Jul 30, 2026Covers the period ending 2026-06-30 · filed 70 days ago
Last material event8-K · Oct 6, 2026Current-report disclosure · filed 2 days ago
Insider forms · 90 days6Section 16 filings. A count, not a direction — Form 4 carries purchases and sales alike.
Latest headline15h agoMT Newswires · third-party wire

Staleness is part of the reading. A company whose last periodic report is five months old is a company most of whose current position is undisclosed, whatever the price is doing.

Twelve most recent · links open at sec.gov
Recent SEC filings for REGENERON PHARMACEUTICALS, INC.
FormFiledPeriodAgeDocument
8-KOct 6, 20262026-10-012dOpen ↗
8-KSep 30, 20262026-09-248dOpen ↗
4Sep 3, 20262026-09-0235dOpen ↗
4Sep 3, 20262026-09-0235dOpen ↗
144Sep 3, 202635dOpen ↗
144Sep 2, 202636dOpen ↗
144Sep 2, 202636dOpen ↗
4Aug 21, 20262026-08-1948dOpen ↗
N-PXAug 20, 20262026-06-3049dOpen ↗
4Aug 20, 20262026-08-1849dOpen ↗
4Aug 12, 20262026-08-1057dOpen ↗
4Aug 12, 20262026-08-1057dOpen ↗

Headlines

Headlines are third-party reporting carried for context. They are not Alpha's evidence and do not feed any reading above; nothing on this page is derived from them except the co-filed tickers row, which says so.

Sector cross-check

Structural record

Chain depth—Steps traced to a primary document
Exposure kind—Direct, inherited or undisclosed
Concentration—No concentration feed attached
Evidence on file—Documents in a published investigation
Last issue—Most recent Convergence issue covering it
Alpha descriptor—Assigned when an investigation publishes

These six fields do not come from a market feed and are not filled by one. They read ‘—’ until a published, sourced investigation covers this company, at which point they carry that investigation's documents. This company is not on Alpha’s screened list — everything above is fetched on demand from the same sources, and nothing structural is recorded for it. Current investigations →

Sources and method

Yahoo Finance · chart API

Price, previous close, the day's and 52-week ranges, volume, and the daily closing series behind every derived statistic. Keyless, cached ten minutes.

Yahoo Finance · search API

Sector and industry classification, and the per-symbol headline list with the co-filed tickers the listing block reads.

SEC EDGAR · submissions + XBRL company facts

Registrant, SIC code, filer category, business address, the filing index, and the reported facts: shares outstanding, revenue, net income, diluted EPS, assets and equity. Each figure above names the form and filing date it came from.

Computed here

Market cap, P/E, beta, realised volatility, drawdown, range position, moving averages, average volumes and period returns. Each is stated with its rule beside it; none is a vendor field. Yahoo's own market cap and P/E are behind an authenticated endpoint and are not used.

Assembled Oct 8, 2026. A figure that could not be sourced this fetch reads ‘—’; none is carried forward from an earlier one. This page is a record, not advice, and holds no view on whether any security should be bought or sold.