$BIO
Bio-Rad Laboratories, Inc.Class A
XNYS•Technology•Laboratory Analytical Instruments
Why is BIO up today? It is at $388.05 (+0.00%), and our scanner flagged it 21 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment BIO spikes, and full due diligence on BIO — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $388.05
- Change today
- +0.00%
- Previous close
- $387.90
- 52-week range
- $236.73 – $396.23
- Market cap
- Stale Share count on file is from 2010, may predate a split
- Institutional own.
- 98.02%
- Total held
- 98.4%
- Tradeable float
- 448K 2% of shares · after <1% insiders + 98% institutions
- Short interest
- 1.3M ▼ -6% vs prior · as of 2026-08-14
- Days to cover
- 4.8d
- Avg daily volume
- 283K
- Sector
- Technology
- Industry
- Laboratory Analytical Instruments
- Exchange
- XNYS
- 5m
- 0.1x
- 15m
- 0.2x
- 1h
- 0.3x
- 1D
- 0.2x
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Why is $BIO moving today?
Here is the latest on BIO from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for BIO today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Likely catalystBIO-RAD LABORATORIES, INC.: Q2 FY2026 results, three months to Jun 30, 2026, from an SEC filing. Read it →Latest filing4Insider trade (Form 4)Sep 3, 2026 · todayFrom the trading subreddits (WallStreetBets, r/stocks and more). Retail chatter, not a signal. Do your own research.
Insiders
0 buys, 1 sells last 3 months (0/15 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Engelhardt Eva Anette Officer | Sold (automatic/other) | -89 | sold 15% | 503 | $28K at $314.46 | Jul 25, 26 |
Engelhardt Eva Anette Officer | Other | 246 | added 71% | 592 | n/a | Jul 25, 26 |
Engelhardt Eva Anette Officer | Sold (automatic/other) | -550 | sold 61% | 346 | $136K at $246.54 | May 11, 26 |
Enloe Courtney C Officer | Sold (automatic/other) | -77 | sold 9.3% | 750 | $22K at $287.84 | Apr 24, 26 |
Enloe Courtney C Officer | Other | 186 | added 29% | 827 | n/a | Apr 24, 26 |
Lakkaraju Roop Kalyan Officer | Sold (automatic/other) | -420 | sold 14% | 3K | $121K at $287.84 | Apr 24, 26 |
Lakkaraju Roop Kalyan Officer | Other | 1K | added 57% | 3K | n/a | Apr 24, 26 |
Pinkston Arnold A Director | Other | 407 | added 100% | 715 | n/a | Apr 21, 26 |
Edwards Jeffrey L Director | Other | 407 | added 100% | 715 | n/a | Apr 21, 26 |
Pei Melinda Litherland Director | Other | 407 | added 100% | 715 | n/a | Apr 21, 26 |
Hinckley Greg K Director | Other | 407 | added 50% | 1K | n/a | Apr 21, 26 |
Barry James Officer | Sold (automatic/other) | -700 | sold 58% | 510 | $214K at $306.18 | Nov 6, 25 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
$BIO Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$BIO Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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BIO stock FAQ
Why is $BIO moving today?
Here is the latest on BIO from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for BIO today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the BIO stock price today?
BIO last traded at $388.05, up 0.00% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live BIO alerts?
The BIO Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged BIO 21 times in the last 30 days.
What exchange is BIO on?
BIO (Bio-Rad Laboratories, Inc.Class A) trades on XNYS, with a market cap of about $10.75B in the LABORATORY ANALYTICAL INSTRUMENTS sector.
Is BIO good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge BIO for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.