Who owns Bio-Rad Laboratories, Inc.?
Institutional ownership of BIO from SEC Form 13F filings across 276 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
276
13F holders
$3.24B
value, 2026 filers
42.4%
of shares outstanding (11.4M sh)
31
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of BIO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.7M | $498.8M | 0.0% | 6.3% | +1.1% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 826,972 | $242.8M | 0.0% | 3.1% | -50.3% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 816,198 | $239.6M | 0.0% | 3% | -1.6% |
| 4 | BANK OF AMERICA CORP /DE/ | 490,412 | $144.0M | 0.0% | 1.8% | +10.2% |
| 5 | Capital World Investors | 462,457 | $135.8M | 0.0% | 1.7% | +2.8% |
| 6 | Capital Research Global Investors | 443,483 | $130.2M | 0.0% | 1.6% | +15.0% |
| 7 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 418,884 | $123.0M | 0.0% | 1.6% | -1.7% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 347,575 | $102.1M | 0.0% | 1.3% | -4.7% |
| 9 | NOMURA HOLDINGS INC | 328,897 | $96.6M | 0.1% | 1.2% | +51.3% |
| 10 | UBS Group AG | 308,325 | $90.5M | 0.0% | 1.1% | -13.0% |
| 11 | SEI INVESTMENTS CO | 273,377 | $80.3M | 0.1% | 1% | -5.0% |
| 12 | BARCLAYS PLC | 267,634 | $78.6M | 0.0% | 1% | -4.0% |
| 13 | Assenagon Asset Management S.A. | 233,227 | $68.5M | 0.1% | 0.9% | +57.8% |
| 14 | NORTHERN TRUST CORP | 218,285 | $64.1M | 0.0% | 0.8% | -0.1% |
| 15 | Sixth Street Partners Management Company, L.P.NEW | 195,538 | $57.4M | 9.9% | 0.7% | new |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 195,538 | $57.4M | 0.0% | 0.7% | -0.5% |
| 17 | FRANKLIN RESOURCES INC | 193,682 | $56.9M | 0.0% | 0.7% | +13.7% |
| 18 | MORGAN STANLEY | 190,285 | $55.9M | 0.0% | 0.7% | -30.5% |
| 19 | GOLDMAN SACHS GROUP INC | 181,225 | $53.2M | 0.0% | 0.7% | +241.7% |
| 20 | SG Americas Securities, LLC | 170,802 | $50,149 | 0.0% | 0.6% | +155.0% |
| 21 | EXCHANGE TRADED CONCEPTS, LLC | 144,232 | $42.3M | 0.2% | 0.5% | +146.4% |
| 22 | Freestone Grove Partners LP | 140,113 | $41.1M | 0.3% | 0.5% | -5.1% |
| 23 | VICTORY CAPITAL MANAGEMENT INC | 122,126 | $35.9M | 0.0% | 0.5% | +555.2% |
| 24 | Fisher Asset Management, LLC | 116,909 | $34.3M | 0.0% | 0.4% | -1.5% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 114,403 | $33.6M | 0.0% | 0.4% | +0.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.