BIO
Bio-Rad Laboratories Inc
376.40$
-1.6%
vs. previous close
Closing price · As of: Sep 18, 2026
Ownership
Ownership Structure
Who owns Bio-Rad Laboratories Inc (BIO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.5% of the shares are freely tradable; institutional investors hold 94.4%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
94.4%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
16.3%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
98.5%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
7.1%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
22Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Arnhold & S. Bleichroeder Advisers, LLC | 19.49 | 5,212,438 | +100.3 | 06/30/2026 |
| BlackRock Inc | 6.28 | 1,680,060 | -0.1 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 3.53 | 944,548 | -13.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.11 | 831,165 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 3.10 | 829,186 | +0.0 | 03/31/2026 |
| Ariel Investments, LLC | 3.05 | 816,751 | +3.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| First Eagle Global A | 7.03 | 1,878,739 | +0.0 | 07/31/2026 |
| UBS: Global Equity | 4.75 | 1,269,058 | +0.0 | 03/31/2026 |
| American Funds SMALLCAP World A | 3.30 | 881,719 | +16.6 | 06/30/2026 |
| iShares Core S&P Mid-Cap ETF | 2.36 | 630,798 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Schwartz Norman D | Chairman & CEO | 449,019 | 169,010,752 $ | Sep 6, 2026 | direct |
| Lakkaraju Roop Kalyan | EVP, Chief Financial Officer | 4,151 | 1,562,422 $ | Sep 6, 2026 | direct |
| Evran Sedat | EVP, Global Supply Chain | 3,603 | 1,356,214 $ | Sep 6, 2026 | direct |
| Barry James | EVP, President, LSG | 2,025 | 762,090 $ | Sep 6, 2026 | direct |
| DiVincenzo Jonathan P. | President & COO | 1,963 | 738,873 $ | Sep 5, 2026 | direct |
| Engelhardt Eva Anette | EVP, President, CDG | 1,828 | 688,059 $ | Sep 6, 2026 | direct |
| Allison Schwartz | Director | 1,734 | 652,678 $ | Sep 6, 2026 | direct |
| Enloe Courtney C | EVP, General Counsel & Sec | 1,652 | 621,729 $ | Sep 6, 2026 | direct |
| Mehta Rajat | EVP, GBL Commercial Operations | 1,232 | 463,744 $ | Sep 5, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 6, 2026 | Engelhardt Eva Anette | EVP, President, CDG | Other | 485 | 386.11 | 187,263 |
| Sep 6, 2026 | Engelhardt Eva Anette | EVP, President, CDG | Other | 1,152 | 0.00 | – |
| Sep 6, 2026 | Barry James | EVP, President, LSG | Other | 470 | 386.11 | 181,472 |
| Sep 6, 2026 | Barry James | EVP, President, LSG | Other | 1,056 | 0.00 | – |
| Sep 6, 2026 | Enloe Courtney C | EVP, General Counsel & Sec | Other | 305 | 386.11 | 117,764 |
| Sep 6, 2026 | Enloe Courtney C | EVP, General Counsel & Sec | Other | 768 | 0.00 | – |
| Sep 6, 2026 | Evran Sedat | EVP, Global Supply Chain | Other | 277 | 386.11 | 106,952 |
| Sep 6, 2026 | Evran Sedat | EVP, Global Supply Chain | Other | 864 | 0.00 | – |
| Sep 6, 2026 | Allison Schwartz | Director | Other | 34 | 386.11 | 13,128 |
| Sep 6, 2026 | Allison Schwartz | Director | Other | 92 | 0.00 | – |
| Sep 6, 2026 | Lakkaraju Roop Kalyan | EVP, Chief Financial Officer | Other | 782 | 386.11 | 301,938 |
| Sep 6, 2026 | Lakkaraju Roop Kalyan | EVP, Chief Financial Officer | Other | 1,536 | 0.00 | – |
| Sep 6, 2026 | Schwartz Norman D | Chairman & CEO | Other | 1,854 | 386.11 | 715,848 |
| Sep 6, 2026 | Schwartz Norman D | Chairman & CEO | Other | 3,455 | 0.00 | – |
| Sep 5, 2026 | Mehta Rajat | EVP, GBL Commercial Operations | Other | 504 | 386.11 | 194,599 |
| Sep 5, 2026 | Mehta Rajat | EVP, GBL Commercial Operations | Other | 1,370 | 0.00 | – |
| Sep 5, 2026 | Mehta Rajat | EVP, GBL Commercial Operations | Other | 233 | 386.11 | 89,964 |
| Sep 5, 2026 | Mehta Rajat | EVP, GBL Commercial Operations | Other | 456 | 0.00 | – |
| Sep 5, 2026 | Engelhardt Eva Anette | EVP, President, CDG | Other | 369 | 386.11 | 142,475 |
| Sep 5, 2026 | Engelhardt Eva Anette | EVP, President, CDG | Other | 1,027 | 0.00 | – |
| Sep 5, 2026 | Barry James | EVP, President, LSG | Other | 369 | 386.11 | 142,475 |
| Sep 5, 2026 | Barry James | EVP, President, LSG | Other | 1,027 | 0.00 | – |
| Sep 5, 2026 | Enloe Courtney C | EVP, General Counsel & Sec | Other | 246 | 386.11 | 94,983 |
| Sep 5, 2026 | Enloe Courtney C | EVP, General Counsel & Sec | Other | 685 | 0.00 | – |
| Sep 5, 2026 | Evran Sedat | EVP, Global Supply Chain | Other | 329 | 386.11 | 127,030 |
| Sep 5, 2026 | Evran Sedat | EVP, Global Supply Chain | Other | 1,027 | 0.00 | – |
| Sep 5, 2026 | Allison Schwartz | Director | Other | 82 | 386.11 | 31,661 |
| Sep 5, 2026 | Allison Schwartz | Director | Other | 228 | 0.00 | – |
| Sep 5, 2026 | DiVincenzo Jonathan P. | President & COO | Other | 668 | 386.11 | 257,921 |
| Sep 5, 2026 | DiVincenzo Jonathan P. | President & COO | Other | 1,712 | 0.00 | – |
| Sep 5, 2026 | Lakkaraju Roop Kalyan | EVP, Chief Financial Officer | Other | 559 | 386.11 | 215,835 |
| Sep 5, 2026 | Lakkaraju Roop Kalyan | EVP, Chief Financial Officer | Other | 1,370 | 0.00 | – |
| Sep 5, 2026 | Schwartz Norman D | Chairman & CEO | Other | 2,876 | 386.11 | 1,110,452 |
| Sep 5, 2026 | Schwartz Norman D | Chairman & CEO | Other | 4,109 | 0.00 | – |
| Sep 1, 2026 | Barry James | EVP, President, LSG | Other | 154 | 380.96 | 58,668 |
| Sep 1, 2026 | Barry James | EVP, President, LSG | Other | 425 | 0.00 | – |
| Sep 1, 2026 | Allison Schwartz | Director | Other | 43 | 380.96 | 16,381 |
| Sep 1, 2026 | Allison Schwartz | Director | Other | 117 | 0.00 | – |
| Sep 1, 2026 | Schwartz Norman D | Chairman & CEO | Other | 2,336 | 380.96 | 889,923 |
| Sep 1, 2026 | Schwartz Norman D | Chairman & CEO | Other | 5,087 | 0.00 | – |
| Jul 25, 2026 | Engelhardt Eva Anette | EVP, President, CDG | Other | 89 | 314.46 | 27,987 |
| Jul 25, 2026 | Engelhardt Eva Anette | EVP, President, CDG | Other | 246 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.