Bio-Rad Laboratories, Inc.
BIO- Exchange
- NYSE
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0000012208
No open-market purchases or sales by Bio-Rad Laboratories, Inc. insiders were filed in the last 90 days; 399 institutions reported holding it in 13F filings for Q2 2026, worth $5.70B in total; no superinvestor holds it.
Other share classesBIO.B
Holders of 5% or more of BIO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Bio-Rad Laboratories, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Schwartz Norman D | 13D/A | 97.20%4.93M shares | +82.60 ppfrom 14.60% | Oct 28, 20254 filings | Oct 30, 2025 | SEC |
| Schwartz Alice N | 13D/A | 12.30%2.73M shares | – | Jul 18, 20251 filing | Jul 18, 2025 | SEC |
| First Eagle Investment Management, LLC | 13G/A | 11.40%2.53M shares | +1.40 ppfrom 10.00% | May 5, 20253 filings | Aug 6, 2025 | SEC |
| BlackRock, Inc. | 13G/A | 7.40%1.62M shares | – | Oct 17, 20251 filing | Oct 17, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
13 Schedule 13D and 13G filings on Bio-Rad Laboratories, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20264:09 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −8.37 ppfrom 8.37%Below 5% | Mar 13, 2026 | SEC |
| Oct 30, 20254:36 PM ET | Schwartz Norman Dand 3 others | 13D/A | 97.20%4.93M shares | +82.60 ppfrom 14.60% | Sep 25, 2025 | SEC |
| Oct 30, 20254:35 PM ET | Schwartz Norman Dand 1 other | 13D/A | 14.60%3.23M shares | −82.60 ppfrom 97.20% | Sep 25, 2025 | SEC |
| Oct 28, 20254:30 PM ET | Schwartz Norman Dand 3 others | 13D/A | 97.20%4.93M shares | +82.60 ppfrom 14.60% | Sep 25, 2025 | SEC |
| Oct 28, 20254:30 PM ET | Schwartz Norman Dand 1 other | 13D/A | 14.60%3.23M shares | – | Sep 25, 2025 | SEC |
| Oct 17, 20256:40 PM ET | BlackRock, Inc. | 13G/A | 7.40%1.62M shares | – | Sep 30, 2025 | SEC |
| Aug 6, 20251:35 PM ET | First Eagle Investment Management, LLCand 1 other | 13G/A | 11.40%2.53M shares | +1.40 ppfrom 10.00% | Jun 30, 2025 | SEC |
| Jul 18, 20252:17 PM ET | Schwartz Alice Nand 1 other | 13D/A | 12.30%2.73M shares | – | May 1, 2025 | SEC |
| May 5, 202512:52 PM ET | First Eagle Investment Management, LLCand 1 other | 13G/A | 10.00%2.29M shares | +3.20 ppfrom 6.80% | Apr 30, 2025 | SEC |
| May 5, 202512:16 PM ET | First Eagle Investment Management, LLC | 13G | 6.80%1.57M shares | New | Mar 31, 2025 | SEC |
| Dec 20, 20244:50 PM ET | Vanguard Group Inc | 13G/A | 8.37%1.91M shares | – | Sep 30, 2024 | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2021 | FMR LLC | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Bio-Rad Laboratories, Inc. shares.
No Form 144 notices for Bio-Rad Laboratories, Inc. are on file.