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Regeneron Pharmaceuticals, Inc (REGN)

Green

Health Care · As of 17 July 2026

Price chart — 52 weeks

REGN · 676.69 (last weekly close) SMA 10w SMA 40w
450500550600650700750800AugSepOctNovDec2026FebMarAprMayJunJul5.0MWeek of Jul 21, 2025 · O 543.44 · H 577.73 · L 542.50 · C 563.10 · Vol 4.4MWeek of Jul 28, 2025 · O 563.53 · H 583.28 · L 541.61 · C 558.87 · Vol 5.0MWeek of Aug 4, 2025 · O 566.98 · H 579.82 · L 550.50 · C 563.00 · Vol 5.1MWeek of Aug 11, 2025 · O 561.52 · H 581.95 · L 544.16 · C 580.41 · Vol 5.1MWeek of Aug 18, 2025 · O 582.09 · H 610.45 · L 570.39 · C 589.48 · Vol 5.4MWeek of Aug 25, 2025 · O 591.06 · H 597.02 · L 567.08 · C 580.70 · Vol 4.3MWeek of Sep 1, 2025 · O 580.54 · H 588.70 · L 559.62 · C 573.38 · Vol 4.2MWeek of Sep 8, 2025 · O 571.20 · H 571.20 · L 552.81 · C 560.00 · Vol 4.5MWeek of Sep 15, 2025 · O 558.54 · H 603.47 · L 558.54 · C 591.99 · Vol 6.1MWeek of Sep 22, 2025 · O 593.00 · H 600.75 · L 549.20 · C 563.90 · Vol 5.3MWeek of Sep 29, 2025 · O 563.90 · H 618.01 · L 555.00 · C 600.00 · Vol 6.9MWeek of Oct 6, 2025 · O 602.00 · H 605.00 · L 555.54 · C 564.63 · Vol 5.5MWeek of Oct 13, 2025 · O 551.50 · H 589.08 · L 541.00 · C 578.05 · Vol 5.0MWeek of Oct 20, 2025 · O 579.41 · H 588.71 · L 572.75 · C 577.95 · Vol 3.6MWeek of Oct 27, 2025 · O 580.50 · H 664.00 · L 575.93 · C 651.80 · Vol 7.0MWeek of Nov 3, 2025 · O 657.46 · H 658.21 · L 625.14 · C 657.53 · Vol 4.3MWeek of Nov 10, 2025 · O 656.00 · H 713.58 · L 651.38 · C 693.50 · Vol 5.4MWeek of Nov 17, 2025 · O 693.34 · H 764.09 · L 692.29 · C 755.90 · Vol 7.6MWeek of Nov 24, 2025 · O 759.05 · H 790.98 · L 756.64 · C 780.19 · Vol 4.1MWeek of Dec 1, 2025 · O 775.60 · H 779.92 · L 717.26 · C 718.36 · Vol 5.0MWeek of Dec 8, 2025 · O 723.69 · H 753.61 · L 691.86 · C 741.29 · Vol 4.9MWeek of Dec 15, 2025 · O 748.85 · H 773.85 · L 734.72 · C 767.96 · Vol 5.8MWeek of Dec 22, 2025 · O 765.84 · H 792.77 · L 765.09 · C 784.97 · Vol 2.2MWeek of Dec 29, 2025 · O 780.56 · H 785.05 · L 765.77 · C 776.31 · Vol 1.7MWeek of Jan 5, 2026 · O 769.72 · H 821.11 · L 753.20 · C 796.55 · Vol 4.8MWeek of Jan 12, 2026 · O 810.00 · H 811.09 · L 726.43 · C 733.04 · Vol 5.5MWeek of Jan 19, 2026 · O 729.40 · H 765.00 · L 718.38 · C 753.55 · Vol 3.1MWeek of Jan 26, 2026 · O 750.09 · H 776.25 · L 735.61 · C 741.45 · Vol 4.7MWeek of Feb 2, 2026 · O 732.92 · H 790.00 · L 731.51 · C 785.51 · Vol 4.1MWeek of Feb 9, 2026 · O 783.17 · H 806.18 · L 745.07 · C 803.17 · Vol 4.3MWeek of Feb 16, 2026 · O 803.48 · H 815.00 · L 770.00 · C 779.67 · Vol 2.5MWeek of Feb 23, 2026 · O 777.58 · H 792.67 · L 753.79 · C 781.67 · Vol 3.4MWeek of Mar 2, 2026 · O 771.10 · H 794.77 · L 746.66 · C 759.86 · Vol 3.3MWeek of Mar 9, 2026 · O 759.86 · H 788.69 · L 741.90 · C 745.77 · Vol 2.6MWeek of Mar 16, 2026 · O 750.00 · H 771.23 · L 727.88 · C 732.87 · Vol 3.5MWeek of Mar 23, 2026 · O 745.00 · H 761.73 · L 727.96 · C 737.71 · Vol 2.6MWeek of Mar 30, 2026 · O 743.83 · H 781.21 · L 741.47 · C 761.85 · Vol 2.9MWeek of Apr 6, 2026 · O 766.83 · H 775.63 · L 739.09 · C 748.87 · Vol 3.0MWeek of Apr 13, 2026 · O 747.74 · H 760.58 · L 737.34 · C 750.57 · Vol 3.0MWeek of Apr 20, 2026 · O 750.00 · H 767.21 · L 734.12 · C 751.57 · Vol 3.8MWeek of Apr 27, 2026 · O 745.47 · H 756.40 · L 668.85 · C 701.42 · Vol 4.8MWeek of May 4, 2026 · O 702.56 · H 726.16 · L 699.23 · C 714.89 · Vol 3.3MWeek of May 11, 2026 · O 714.99 · H 730.59 · L 693.70 · C 698.25 · Vol 4.4MWeek of May 18, 2026 · O 615.93 · H 651.00 · L 610.60 · C 638.88 · Vol 7.8MWeek of May 25, 2026 · O 642.45 · H 648.50 · L 609.77 · C 614.78 · Vol 6.2MWeek of Jun 1, 2026 · O 607.54 · H 640.82 · L 591.52 · C 635.45 · Vol 5.1MWeek of Jun 8, 2026 · O 638.04 · H 638.95 · L 601.22 · C 612.14 · Vol 4.9MWeek of Jun 15, 2026 · O 613.35 · H 620.00 · L 598.19 · C 609.94 · Vol 5.7MWeek of Jun 22, 2026 · O 604.46 · H 638.76 · L 594.90 · C 632.90 · Vol 5.6MWeek of Jun 29, 2026 · O 635.99 · H 654.94 · L 622.29 · C 654.27 · Vol 3.8MWeek of Jul 6, 2026 · O 657.96 · H 677.92 · L 637.72 · C 664.52 · Vol 3.6MWeek of Jul 13, 2026 · O 661.63 · H 691.13 · L 648.66 · C 676.69 · Vol 3.0M677
Weekly candles over the last 52 weeks, split-adjusted, with 10- and 40-week moving averages; trading volume along the bottom. As of Jul 13, 2026.

OakBag’s model puts the fair value of Regeneron Pharmaceuticals, Inc (REGN) at about $998.36, against a recent price of $675.56 — a margin of safety of +32%. On that basis the traffic light is set so it looks undervalued. The estimate blends up to 2 independent valuation methods and is benchmarked against other Health Care names. It is a model estimate for research, not a price target or a recommendation.

Fair value vs. price

Current price
$675.56
Estimated fair value
$998.36
Margin of safety
+32%
−50%0+50%

How the fair value is built

Peer P/E$1,291.14
Cash-flow DCF$705.58
Graham number$848.25

How is this computed?

Knock-out safety checks passed

  • Bankruptcy risk (Altman Z″)
  • Negative equity
  • Excessive leverage
  • Illiquid
  • Penny / micro-cap
  • Stale fundamentals
Piotroski F-score
4 / 9
Altman Z-score
12.34
Beneish M-score
-2.52

Quality & factor profile

Value +0.51
Quality -0.09
Profitability +1.25
Momentum -0.51
Growth -0.39
Low volatility +0.74

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Frequently asked questions

Is Regeneron Pharmaceuticals (REGN) undervalued?

On OakBag’s model, Regeneron Pharmaceuticals, Inc looks undervalued: the estimated fair value is $998.36 versus a recent price of $675.56, a margin of safety of +32%. This is a model estimate, not investment advice.

What is REGN’s fair value estimate?

OakBag estimates Regeneron Pharmaceuticals, Inc’s fair value at about $998.36, blending up to 2 methods — peer P/E, price-to-book, peer EV/EBITDA, a machine-learning valuation and a cash-flow DCF — clipped to a sensible band and taken at the median.

What is margin of safety?

Margin of safety is how far below the estimated fair value the price sits: (fair value − price) ÷ fair value. Here it is +32%. A positive number means the model sees the stock as cheap; OakBag only turns a stock green above +15%.

Does a green verdict mean I should buy REGN?

No. OakBag is an educational and research tool, not investment advice. The traffic light is an automated model output based on third-party data that may be delayed or inaccurate. Always do your own research.

Other Health Care stocks

An educational and research tool — not investment advice. OakBag is an educational and research tool, not investment advice. Scores and rankings are automated model outputs based on third-party data and may be inaccurate or delayed. Nothing here is a recommendation to buy or sell any security. Investing involves risk, including possible loss of principal.