Massivemarkets

BIO.B

Bio-Rad Laboratories, Inc. Class B

NYSE · usd

$364.15+0.00 (+0.00%)
At close · 15-minute delayed
$360.06-91.80 (-25.20%)
As of 11:07:04 AM EDT on Oct 23, 2026 · After hours

Bio-Rad Laboratories, Inc. Class B (BIO.B) trades at $364.15 (+0.00%) as of 11:07:04 AM EDT on Oct 23, 2026, +35.43% over the past month, with 1.0 days to cover in short interest.

Stock performance

How Bio-Rad Laboratories, Inc. Class B (BIO.B) stock has performed from one day to one year, with its 52-week range.

+20.12%
+$61.00 over 1Y
$275.14$303.03$330.93$358.83Oct 25Feb 26Apr 26Jul 26Oct 26$364.15
1D
-0.25%
1W
+24.13%
1M
+35.43%
YTD
+17.20%
1Y
+20.12%
52-wk range
$244.54 – $365.08

Key statistics

Today's trading snapshot for BIO.B: day range, open, previous close, volume and market cap.

Day range
$364.15 – $364.21
Open
$364.21
Prev close
$364.15
Volume
231
Market cap
—
Shares out
5.06M

Valuation and profitability ratios: P/E, P/S, ROE

Valuation and profitability ratios for Bio-Rad Laboratories, Inc. Class B: P/E, P/S, P/B, ROE and more.

P/E
43.78
P/S
3.76
P/B
1.36
P/FCF
27.57
ROE
3.1%
ROA
2.2%
Debt/Equity
0.17
Div yield
0.00%

As of Oct 14, 2026

8-K filings

Material corporate events Bio-Rad Laboratories, Inc. Class B has disclosed to the SEC on Form 8-K.

  • RestructuringAug 4, 2026

    The restructuring plan impacts our operations and functions throughout the world and includes the elimination of certain positions, the consolidation of certain functions, and the closure of various facilities.

  • Investor communicationsApr 30, 2026

    Also on April 30, 2026, the Company posted supplemental earnings materials with respect to its financial results for the quarter ended March 31, 2026 to its website (the "Supplemental Earnings Presentation"), which can be accessed at www.bio-rad.com in the Investor Relations section under the subheading "Events & Presentations".

  • Shareholder activismApr 24, 2026

    The stockholder proposal regarding dual class capital structure was not approved since the proposal did not receive the affirmative vote of a majority of the voting power of the holders of Class A and Class B Common Stock.

  • Investor communicationsFeb 12, 2026

    Also on February 12, 2026, the Company posted supplemental earnings materials with respect to its financial results for the quarter ended December 31, 2025 to its website (the "Supplemental Earnings Presentation"), which can be accessed at www.bio-rad.com in the Investor Relations section under the subheading "Events & Presentations."

  • Investor communicationsOct 29, 2025

    Also on October 29, 2025, the Company posted supplemental earnings materials with respect to its financial results for the quarter ended September 30, 2025 to its website (the "Supplemental Earnings Presentation"), which can be accessed at www.bio-rad.com in the Investor Relations section under the subheading "Events & Presentations."

BIO.B short interest

How heavily BIO.B is shorted: shares short, days to cover and average daily volume.

Days to cover
1.0
Short interest
1
Avg volume
20

As of · reported to FINRA twice monthly.

BIO.B news

The latest news and headlines about Bio-Rad Laboratories, Inc. Class B (BIO.B).

Frequently asked questions

What is the Bio-Rad Laboratories, Inc. Class B (BIO.B) stock price today?

Bio-Rad Laboratories, Inc. Class B (BIO.B) is trading at $364.15 (+0.00% on the day) as of 11:07:04 AM EDT on Oct 23, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

What is Bio-Rad Laboratories, Inc. Class B?

Bio-Rad Laboratories, headquartered in Hercules, California, develops, manufactures, and sells products and solutions for the clinical diagnostics and life sciences markets.

What is the short interest in BIO.B?

As of Sep 30, 2026, BIO.B has 1 shares short and 1.0 days to cover.

What exchange is BIO.B listed on?

Bio-Rad Laboratories, Inc. Class B (BIO.B) trades on NYSE in USD, in the LABORATORY ANALYTICAL INSTRUMENTS industry.

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