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Penumbra Inc (PEN) stock

PENNYSESurgical & Medical Instruments & ApparatusFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 29, 2026Score 15/3073% above fair value
$318.95−3.02 (-0.94%)

Close on Oct 30, 2026Market cap $12.56BP/E 80.3Yield –

Price history

Penumbra share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$318.95
-0.94% on the day
52-week range
$221.26 – $362.41
-12.0% from the high
Change over 52 weeks
+37.8%
From $231.54 on Oct 30, 2025
Average volume
362,656
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$323.88$325.58$316.35$318.95-1.68%2,863,817
Oct 19, 2026$320.30$325.50$320.30$324.39+1.10%1,851,792
Oct 12, 2026$319.91$322.80$318.26$320.86+0.46%1,390,589
Oct 5, 2026$318.23$319.53$316.32$319.40+0.58%1,977,530
Sep 28, 2026$318.91$319.33$316.78$317.55-0.42%1,347,752
Sep 21, 2026$317.38$320.27$316.77$318.89+0.41%2,213,584
Sep 14, 2026$319.30$320.31$317.30$317.60-0.04%2,997,947
Sep 8, 2026$322.61$322.61$317.59$317.73-1.38%887,402
Aug 31, 2026$320.99$325.00$320.97$322.17+0.15%1,336,130
Aug 24, 2026$324.91$324.91$320.83$321.68-1.08%1,639,768
Aug 17, 2026$326.36$328.60$323.76$325.18-0.56%1,046,845
Aug 10, 2026$324.90$328.11$324.90$327.02+0.73%1,126,297
Aug 3, 2026$321.36$325.74$321.35$324.66+1.08%1,476,334
Jul 27, 2026$318.90$323.05$317.09$321.19+0.77%1,815,813
Jul 20, 2026$318.44$319.02$315.70$318.73+0.13%2,414,895
Jul 13, 2026$317.63$319.94$315.69$318.32+0.07%2,440,510
Jul 6, 2026$318.94$320.03$316.49$318.10-0.15%1,207,960
Jun 29, 2026$317.17$319.19$314.80$318.57+0.61%1,434,834
Jun 22, 2026$316.27$318.99$315.03$316.63-0.18%1,969,149
Jun 15, 2026$318.25$319.83$315.81$317.20-0.47%1,789,991
Jun 8, 2026$320.00$322.65$317.53$318.71-0.57%2,031,186
Jun 1, 2026$318.41$323.10$317.81$320.53+0.70%2,264,935
May 26, 2026$328.12$329.65$318.12$318.30-3.16%1,663,110
May 18, 2026$322.90$329.67$322.90$328.69+1.98%2,485,300
May 11, 2026$321.88$324.55$321.38$322.32+0.03%1,674,156
May 4, 2026$324.79$326.43$321.79$322.23-0.95%2,425,237
Apr 27, 2026$329.91$331.80$323.71$325.33-1.38%2,276,042
Apr 20, 2026$332.14$335.20$327.00$329.89-0.67%3,919,115
Apr 13, 2026$329.99$333.54$329.72$332.13+0.72%1,583,531
Apr 6, 2026$330.11$332.05$328.86$329.77-0.18%2,437,450
Mar 30, 2026$328.70$330.70$326.58$330.36-1.41%3,752,937
Mar 23, 2026$337.81$337.81$334.17$335.10-0.22%2,655,276
Mar 16, 2026$336.19$338.99$335.79$335.85-0.10%2,770,816
Mar 9, 2026$338.16$340.33$333.94$336.18-0.73%3,004,722
Mar 2, 2026$342.30$343.29$337.91$338.64-1.67%3,616,338
Feb 23, 2026$339.53$344.53$338.53$344.39+1.48%3,634,148
Feb 17, 2026$339.01$342.00$339.01$339.36+0.02%1,970,363
Feb 9, 2026$340.85$341.66$337.63$339.30-0.50%3,342,681
Feb 2, 2026$358.78$359.87$339.33$341.02-4.79%6,394,787
Jan 26, 2026$360.00$361.55$356.39$358.17-0.30%5,840,249
Jan 20, 2026$350.80$362.41$350.02$359.26+2.42%8,513,479
Jan 12, 2026$322.25$352.15$290.00$350.78+8.79%16,160,325
Jan 5, 2026$310.00$325.03$305.30$322.44+4.21%2,912,284
Dec 29, 2025$318.86$319.78$302.19$309.42-2.38%1,085,005
Dec 22, 2025$314.61$321.38$313.45$316.97+0.34%964,454
Dec 15, 2025$312.48$320.00$307.00$315.90+1.24%3,113,867
Dec 8, 2025$299.16$315.01$286.75$312.02+3.78%2,791,288
Dec 1, 2025$295.62$303.00$284.95$300.66+2.55%2,331,724
Nov 24, 2025$288.15$301.22$286.37$293.17+1.63%2,106,021
Nov 17, 2025$282.93$293.18$276.01$288.47+3.00%2,357,506
Nov 10, 2025$266.60$283.84$262.94$280.07+5.21%2,255,018
Nov 3, 2025$225.60$272.00$221.26$266.19+17.07%3,471,101

Seasonality

PEN return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average11.2%0.9%0.9%0.1%-1.0%0.5%1.5%2.2%-1.0%3.3%7.6%-1.3%
Months up9 of 105 of 105 of 106 of 103 of 105 of 105 of 106 of 103 of 106 of 107 of 94 of 9
202615.2%-3.8%-4.7%-0.6%-2.5%-0.8%1.7%0.6%-1.5%0.2%
202512.4%6.9%-6.3%9.5%-8.8%-3.9%-1.7%8.1%-7.1%-10.2%28.9%6.1%
20240.3%-6.8%-5.0%-12.0%-3.6%-5.0%-7.2%21.1%-4.0%17.8%6.7%-2.7%
202312.6%3.8%7.2%1.9%8.2%11.9%-11.8%-12.8%-8.5%-21.0%16.2%13.3%
2022-21.3%-1.9%0.2%-22.3%-14.9%-15.2%11.9%17.8%15.5%-9.6%22.2%6.2%
202149.2%8.9%-4.9%13.1%-18.6%10.0%-2.9%3.3%-3.1%3.8%-11.2%17.0%
20206.8%-5.5%-2.7%9.9%-2.8%3.7%24.1%-5.8%-7.1%34.3%-15.0%-21.1%
201919.1%-8.1%10.0%-8.5%6.1%12.1%4.7%-13.2%-7.6%16.0%13.4%-7.2%
20185.8%8.6%6.9%7.5%29.4%-14.1%3.0%-2.4%7.8%-9.2%2.4%-12.2%
201712.1%7.3%8.7%2.4%-3.0%5.9%-7.0%5.3%5.0%11.4%4.7%-10.6%