Bio-Rad Laboratories, Inc. (BIO.B) stock
BIO.BNYSELaboratory Analytical InstrumentsFiscal year ends December 31Also trades as BIO
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 2026Score 8/3055% above fair value
$379.50+0.00 (0.00%)
Close on Oct 29, 2026Market cap $10.18BP/E 46.2Yield –
Price history
Bio-Rad Laboratories share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 29, 2026
$379.50
0.00% on the day
52-week range
$244.54 – $380.57
-0.3% from the high
Change over 52 weeks
+18.2%
From $321.12 on Oct 29, 2025
Average volume
35
Shares a day, last 90 sessions
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 29, 2026 | $379.50 | $379.50 | $379.50 | $379.50 | 0.00% | 31 |
| Oct 28, 2026 | $379.50 | $379.50 | $379.50 | $379.50 | 0.00% | 1 |
| Oct 27, 2026 | $380.57 | $380.57 | $379.50 | $379.50 | +4.22% | 231 |
| Oct 26, 2026 | $364.15 | $364.15 | $364.15 | $364.15 | 0.00% | 9 |
| Oct 23, 2026 | $364.15 | $364.15 | $364.15 | $364.15 | 0.00% | 41 |
| Oct 22, 2026 | $367.66 | $367.66 | $364.15 | $364.15 | 0.00% | 9 |
| Oct 21, 2026 | $354.28 | $364.15 | $354.28 | $364.15 | 0.00% | 8 |
| Oct 20, 2026 | $355.08 | $364.15 | $355.08 | $364.15 | 0.00% | 10 |
| Oct 19, 2026 | $364.15 | $364.15 | $364.15 | $364.15 | 0.00% | 24 |
| Oct 16, 2026 | $364.15 | $364.15 | $364.15 | $364.15 | 0.00% | 37 |
| Oct 15, 2026 | $364.15 | $364.15 | $364.15 | $364.15 | 0.00% | 1 |
| Oct 14, 2026 | $364.21 | $364.21 | $364.15 | $364.15 | -0.25% | 232 |
| Oct 13, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 40 |
| Oct 12, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 4 |
| Oct 9, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 7 |
| Oct 8, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 11 |
| Oct 7, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 12 |
| Oct 6, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 10 |
| Oct 5, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 10 |
| Oct 2, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 12 |
| Oct 1, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 8 |
| Sep 30, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 3 |
| Sep 29, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 11 |
| Sep 28, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 8 |
| Sep 25, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 8 |
| Sep 24, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 9 |
| Sep 23, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 108 |
| Sep 22, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 10 |
| Sep 21, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 5 |
| Sep 18, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 9 |
| Sep 17, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 40 |
| Sep 16, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 4 |
| Sep 15, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 12 |
| Sep 14, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 9 |
| Sep 11, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 10 |
| Sep 10, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 19 |
| Sep 9, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 41 |
| Sep 8, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 23 |
| Sep 4, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 28 |
| Sep 3, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 51 |
| Sep 2, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 37 |
| Sep 1, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 56 |
| Aug 31, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 39 |
| Aug 28, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 39 |
| Aug 27, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 8 |
| Aug 26, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 34 |
| Aug 25, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 13 |
| Aug 24, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 10 |
| Aug 21, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | 0.00% | 26 |
| Aug 20, 2026 | $365.08 | $365.08 | $365.08 | $365.08 | +8.33% | 103 |
| Aug 19, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 38 |
| Aug 18, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 26 |
| Aug 17, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 14 |
| Aug 14, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 23 |
| Aug 13, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 7 |
| Aug 12, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 8 |
| Aug 11, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 8 |
| Aug 10, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 9 |
| Aug 7, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 15 |
| Aug 6, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 11 |
| Aug 5, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 15 |
| Aug 4, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | 0.00% | 12 |
| Aug 3, 2026 | $337.00 | $337.00 | $337.00 | $337.00 | +8.93% | 63 |
| Jul 31, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 6 |
| Jul 30, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 19 |
| Jul 29, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 8 |
| Jul 28, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 13 |
| Jul 27, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 35 |
| Jul 24, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 3 |
| Jul 23, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 11 |
| Jul 22, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 8 |
| Jul 21, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 7 |
| Jul 20, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 10 |
| Jul 17, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 13 |
| Jul 16, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 12 |
| Jul 15, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | 0.00% | 9 |
| Jul 14, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | -0.00% | 7 |
| Jul 13, 2026 | $309.37 | $309.37 | $309.37 | $309.37 | +3.64% | 92 |
| Jul 10, 2026 | $298.50 | $298.50 | $298.50 | $298.50 | +1.75% | 57 |
| Jul 9, 2026 | $293.37 | $293.37 | $293.37 | $293.37 | 0.00% | 4 |
| Jul 8, 2026 | $293.37 | $293.37 | $293.37 | $293.37 | -1.05% | 309 |
| Jul 7, 2026 | $296.49 | $296.49 | $296.49 | $296.49 | 0.00% | 492 |
| Jul 6, 2026 | $296.49 | $296.49 | $296.49 | $296.49 | 0.00% | 7 |
| Jul 2, 2026 | $296.49 | $296.49 | $296.49 | $296.49 | 0.00% | 39 |
| Jul 1, 2026 | $296.49 | $296.49 | $296.49 | $296.49 | 0.00% | 7 |
| Jun 30, 2026 | $296.49 | $296.49 | $296.49 | $296.49 | 0.00% | 10 |
| Jun 29, 2026 | $296.49 | $296.49 | $296.49 | $296.49 | 0.00% | 7 |
| Jun 26, 2026 | $296.49 | $296.49 | $296.49 | $296.49 | 0.00% | 3 |
| Jun 25, 2026 | $296.49 | $296.49 | $296.49 | $296.49 | 0.00% | 12 |
| Jun 24, 2026 | $291.99 | $296.49 | $291.99 | $296.49 | +2.24% | 187 |
| Jun 23, 2026 | $297.22 | $297.96 | $289.23 | $290.00 | -4.65% | 818 |
| Jun 22, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 11 |
| Jun 18, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 2 |
| Jun 17, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 10 |
| Jun 16, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 4 |
| Jun 15, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 5 |
| Jun 12, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 25 |
| Jun 11, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 12 |
| Jun 10, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 1 |
| Jun 9, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 14 |
| Jun 8, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 83 |
| Jun 5, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 0 |
| Jun 4, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 15 |
| Jun 3, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 17 |
| Jun 2, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 3 |
| Jun 1, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 17 |
| May 29, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 21 |
| May 28, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | 0.00% | 4 |
| May 27, 2026 | $304.15 | $304.15 | $304.15 | $304.15 | +13.73% | 59 |
| May 26, 2026 | $267.43 | $267.43 | $267.43 | $267.43 | 0.00% | 0 |
| May 22, 2026 | $267.43 | $267.43 | $267.43 | $267.43 | 0.00% | 1 |
| May 21, 2026 | $267.43 | $267.43 | $267.43 | $267.43 | 0.00% | 15 |
| May 20, 2026 | $267.43 | $267.43 | $267.43 | $267.43 | 0.00% | 18 |
| May 19, 2026 | $267.43 | $267.43 | $267.43 | $267.43 | 0.00% | 21 |
| May 18, 2026 | $267.43 | $267.43 | $267.43 | $267.43 | +2.50% | 102 |
| May 15, 2026 | $253.17 | $260.90 | $253.13 | $260.90 | +0.35% | 595 |
| May 14, 2026 | $244.54 | $260.00 | $244.54 | $260.00 | +1.75% | 3,350 |
| May 13, 2026 | $255.54 | $255.54 | $255.54 | $255.54 | 0.00% | 25 |
| May 12, 2026 | $255.54 | $255.54 | $255.54 | $255.54 | 0.00% | 3 |
| May 11, 2026 | $255.54 | $255.54 | $255.54 | $255.54 | 0.00% | 7 |
| May 8, 2026 | $255.54 | $255.54 | $255.54 | $255.54 | -2.19% | 394 |
| May 7, 2026 | $261.27 | $261.27 | $261.27 | $261.27 | +0.00% | 7 |
| May 6, 2026 | $261.40 | $261.40 | $261.27 | $261.27 | +1.09% | 106 |
| May 5, 2026 | $257.71 | $258.46 | $255.90 | $258.46 | -13.69% | 888 |
| May 4, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | 0.00% | 8 |
| May 1, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | 0.00% | 11 |
| Apr 30, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | 0.00% | 641 |
| Apr 29, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | 0.00% | 6 |
| Apr 28, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | 0.00% | 2 |
| Apr 27, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | 0.00% | 4 |
| Apr 24, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | 0.00% | 12 |
| Apr 23, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | 0.00% | 11 |
| Apr 22, 2026 | $299.45 | $299.45 | $299.45 | $299.45 | +8.10% | 76 |
| Apr 21, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 5 |
| Apr 20, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 15 |
| Apr 17, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 3 |
| Apr 16, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 2 |
| Apr 15, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 8 |
| Apr 14, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 1 |
| Apr 13, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 20 |
| Apr 10, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 6 |
| Apr 9, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 3 |
| Apr 8, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | 0.00% | 7 |
| Apr 7, 2026 | $277.00 | $277.00 | $277.00 | $277.00 | -0.45% | 103 |
| Apr 6, 2026 | $278.25 | $278.25 | $278.25 | $278.25 | 0.00% | 13 |
| Apr 2, 2026 | $278.25 | $278.25 | $278.25 | $278.25 | 0.00% | 5 |
| Apr 1, 2026 | $278.25 | $278.25 | $278.25 | $278.25 | 0.00% | 6 |
| Mar 31, 2026 | $278.30 | $278.30 | $278.25 | $278.25 | +3.61% | 152 |
| Mar 30, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 11 |
| Mar 27, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 9 |
| Mar 26, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 5 |
| Mar 25, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 7 |
| Mar 24, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 8 |
| Mar 23, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 29 |
| Mar 20, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 3 |
| Mar 19, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 1 |
| Mar 18, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 6 |
| Mar 17, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 3 |
| Mar 16, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 1 |
| Mar 13, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | 0.00% | 4 |
| Mar 12, 2026 | $268.55 | $268.55 | $268.55 | $268.55 | +0.02% | 101 |
| Mar 11, 2026 | $268.50 | $268.50 | $268.50 | $268.50 | 0.00% | 49 |
| Mar 10, 2026 | $268.50 | $268.50 | $268.50 | $268.50 | +0.00% | 11 |
| Mar 9, 2026 | $267.80 | $268.50 | $267.59 | $268.50 | -4.77% | 286 |
| Mar 6, 2026 | $281.95 | $281.95 | $281.95 | $281.95 | 0.00% | 3 |
| Mar 5, 2026 | $281.95 | $281.95 | $281.95 | $281.95 | 0.00% | 0 |
| Mar 4, 2026 | $281.95 | $281.95 | $281.95 | $281.95 | +4.86% | 44 |
| Mar 3, 2026 | $268.89 | $268.89 | $268.89 | $268.89 | 0.00% | 7 |
| Mar 2, 2026 | $268.89 | $268.89 | $268.89 | $268.89 | 0.00% | 1 |
| Feb 27, 2026 | $268.89 | $268.89 | $268.89 | $268.89 | 0.00% | 2 |
| Feb 26, 2026 | $268.89 | $268.89 | $268.89 | $268.89 | 0.00% | 0 |
| Feb 25, 2026 | $268.89 | $268.89 | $268.89 | $268.89 | 0.00% | 5 |
| Feb 24, 2026 | $268.89 | $268.89 | $268.89 | $268.89 | +0.00% | 1 |
| Feb 23, 2026 | $268.89 | $268.89 | $268.89 | $268.89 | +2.69% | 104 |
| Feb 20, 2026 | $261.83 | $261.83 | $261.83 | $261.83 | 0.00% | 50 |
| Feb 19, 2026 | $261.83 | $261.83 | $261.83 | $261.83 | 0.00% | 0 |
| Feb 18, 2026 | $261.83 | $261.83 | $261.83 | $261.83 | +1.86% | 50 |
| Feb 17, 2026 | $257.05 | $257.05 | $257.05 | $257.05 | 0.00% | 19 |
| Feb 13, 2026 | $257.05 | $257.05 | $257.05 | $257.05 | -12.88% | 50 |
| Feb 12, 2026 | $295.05 | $295.05 | $295.05 | $295.05 | 0.00% | 1 |
| Feb 11, 2026 | $295.05 | $295.05 | $295.05 | $295.05 | 0.00% | 7 |
| Feb 10, 2026 | $295.05 | $295.05 | $295.05 | $295.05 | 0.00% | 7 |
| Feb 9, 2026 | $295.05 | $295.05 | $295.05 | $295.05 | 0.00% | 4 |
| Feb 6, 2026 | $295.05 | $295.05 | $295.05 | $295.05 | 0.00% | 0 |
| Feb 5, 2026 | $295.05 | $295.05 | $295.05 | $295.05 | 0.00% | 2 |
| Feb 4, 2026 | $295.05 | $295.05 | $295.05 | $295.05 | 0.00% | 13 |
| Feb 3, 2026 | $295.05 | $295.05 | $295.05 | $295.05 | 0.00% | 14 |
| Feb 2, 2026 | $291.36 | $295.05 | $291.36 | $295.05 | -5.66% | 1,915 |
| Jan 30, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | 0.00% | 7 |
| Jan 29, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | 0.00% | 1 |
| Jan 28, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | 0.00% | 1 |
| Jan 27, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | 0.00% | 4 |
| Jan 26, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | 0.00% | 7 |
| Jan 23, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | 0.00% | 1 |
| Jan 22, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | 0.00% | 3 |
| Jan 21, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | 0.00% | 18 |
| Jan 20, 2026 | $312.75 | $312.75 | $312.75 | $312.75 | +0.66% | 44 |
| Jan 16, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 4 |
| Jan 15, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 6 |
| Jan 14, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 37 |
| Jan 13, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 13 |
| Jan 12, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 3 |
| Jan 9, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 9 |
| Jan 8, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 5 |
| Jan 7, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 8 |
| Jan 6, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 6 |
| Jan 5, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 7 |
| Jan 2, 2026 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 1 |
| Dec 31, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 2 |
| Dec 30, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 6 |
| Dec 29, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 10 |
| Dec 26, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 5 |
| Dec 24, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 3 |
| Dec 23, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 10 |
| Dec 22, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 10 |
| Dec 19, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 21 |
| Dec 18, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 17 |
| Dec 17, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 14 |
| Dec 16, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 8 |
| Dec 15, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 16 |
| Dec 12, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 14 |
| Dec 11, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 12 |
| Dec 10, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 10 |
| Dec 9, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 25 |
| Dec 8, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 10 |
| Dec 5, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 8 |
| Dec 4, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 13 |
| Dec 3, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 8 |
| Dec 2, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 13 |
| Dec 1, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 82 |
| Nov 28, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 3 |
| Nov 26, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 17 |
| Nov 25, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 130 |
| Nov 24, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 9 |
| Nov 21, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 5 |
| Nov 20, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 4 |
| Nov 19, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 10 |
| Nov 18, 2025 | $310.70 | $310.70 | $310.70 | $310.70 | 0.00% | 19 |
| Nov 17, 2025 | $310.45 | $310.70 | $310.45 | $310.70 | -1.18% | 134 |
| Nov 14, 2025 | $315.08 | $315.08 | $314.40 | $314.40 | +2.95% | 89 |
| Nov 13, 2025 | $305.40 | $305.40 | $305.40 | $305.40 | 0.00% | 8 |
| Nov 12, 2025 | $305.40 | $305.40 | $305.40 | $305.40 | 0.00% | 82 |
| Nov 11, 2025 | $305.40 | $305.40 | $305.40 | $305.40 | 0.00% | 3 |
| Nov 10, 2025 | $305.40 | $305.40 | $305.40 | $305.40 | 0.00% | 7 |
| Nov 7, 2025 | $305.40 | $305.40 | $305.40 | $305.40 | -0.00% | 5 |
| Nov 6, 2025 | $305.40 | $305.40 | $305.40 | $305.40 | -0.15% | 152 |
| Nov 5, 2025 | $305.79 | $306.10 | $305.55 | $305.85 | +0.89% | 2,093 |
| Nov 4, 2025 | $303.15 | $303.15 | $303.15 | $303.15 | 0.00% | 17 |
| Nov 3, 2025 | $303.15 | $303.15 | $303.15 | $303.15 | 0.00% | 7 |
| Oct 31, 2025 | $303.15 | $303.15 | $303.15 | $303.15 | 0.00% | 4 |
| Oct 30, 2025 | $303.35 | $303.35 | $303.15 | $303.15 | -5.60% | 379 |
| Oct 29, 2025 | $321.12 | $321.12 | $321.12 | $321.12 | 0.00% | 24 |
| Oct 28, 2025 | $321.12 | $321.12 | $321.12 | $321.12 | 0.00% | 9 |
| Oct 27, 2025 | $321.12 | $321.12 | $321.12 | $321.12 | 0.00% | 11 |
| Oct 24, 2025 | $321.12 | $321.12 | $321.12 | $321.12 | 0.00% | 20 |
| Oct 23, 2025 | $321.12 | $321.12 | $321.12 | $321.12 | 0.00% | 123 |
| Oct 22, 2025 | $321.12 | $321.12 | $321.12 | $321.12 | 0.00% | 63 |
| Oct 21, 2025 | $321.12 | $321.12 | $321.12 | $321.12 | +12.72% | 218 |
| Oct 20, 2025 | $284.88 | $284.88 | $284.88 | $284.88 | 0.00% | 32 |
| Oct 17, 2025 | $284.88 | $284.88 | $284.88 | $284.88 | – | 23 |
Seasonality
BIO.B return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 0.8% | -0.7% | 0.4% | 1.9% | 0.2% | -0.5% | 6.1% | 4.6% | -1.7% | -2.2% | 4.3% | -1.4% |
| Months up | 6 of 10 | 5 of 10 | 7 of 10 | 6 of 10 | 5 of 10 | 4 of 10 | 9 of 10 | 6 of 10 | 3 of 10 | 5 of 10 | 8 of 9 | 3 of 9 |
| 2026 | 0.7% | -14.0% | 3.5% | 7.6% | 1.6% | -2.5% | 4.3% | 18.0% | 0.0% | 3.9% | ||
| 2025 | 9.8% | -12.7% | -22.5% | -3.1% | 6.7% | 0.0% | -1.2% | 0.0% | 15.3% | 6.4% | 2.5% | 0.0% |
| 2024 | -1.0% | 2.9% | 1.7% | -15.7% | 0.0% | 1.3% | 3.8% | 11.1% | -0.0% | 2.5% | 0.3% | -3.1% |
| 2023 | 0.0% | 0.0% | 14.7% | 0.0% | -19.4% | -0.7% | 4.4% | 0.0% | -8.4% | -23.1% | 12.4% | 4.5% |
| 2022 | -17.0% | 6.2% | -7.8% | -11.8% | -2.5% | -6.6% | 2.7% | 7.1% | -19.3% | -15.1% | 13.9% | 0.0% |
| 2021 | -3.1% | 7.9% | -3.5% | 9.1% | -5.6% | 7.3% | 9.0% | 9.3% | -0.4% | -4.0% | 2.8% | -3.6% |
| 2020 | 1.6% | -6.8% | 0.4% | 24.0% | 7.1% | -6.3% | 19.6% | -0.6% | -2.2% | 16.3% | -8.6% | 6.2% |
| 2019 | 3.5% | 14.7% | 11.0% | 1.2% | -1.5% | 1.4% | 5.8% | 4.0% | 1.1% | 1.3% | 0.6% | 6.5% |
| 2018 | 10.9% | -6.8% | 1.9% | 4.3% | 9.7% | -0.4% | 7.8% | 5.0% | -7.9% | -8.3% | 0.4% | -16.1% |
| 2017 | 2.3% | 1.8% | 4.7% | 4.1% | 6.1% | 1.9% | 5.1% | -7.7% | 4.4% | -2.1% | 14.5% | -6.8% |