BIO · Bio-Rad Laboratories, Inc. · Shareholders & Ownership
Every disclosed holder of BIO in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns BIO
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 19,327,856 | 72.29% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 8,967,582 | 33.54% |
| Remaining | 1,557,263 | -5.82% |
| Registered funds (N-PORT, not summed) | 9,405,705 | 35.18% |
Shares outstanding: 26,738,175, the issuer's latest cover-page count restated onto today's split basis.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of BIO
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
SCHWARTZ NORMAN D
Insider
CIK 940805 · Sep 6, 2026
Director, Chairman & CEO, 10% Owner, issuer-wide, not summed
|
8,092,983 | ||
| 1.1 |
Norman D. Schwartz
13D
CIK 940805 · Unknown · Sep 25, 2025
|
4,929,036 | ||
| 2 |
Alice N. Schwartz
13D
CIK 1248076 · Unknown · May 1, 2025
|
2,732,073 | ||
| 3 |
First Eagle Investment Management, LLC
13F
CIK 1325447 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,606,219 | ||
| 3.1 |
First Eagle Global Fund
Fund
S000011211 · Registered fund · Jul 31, 2026
First Eagle Funds, not summed
|
1,878,739 | ||
| 3.2 |
First Eagle U.S. Fund
Fund
S000011213 · Registered fund · Jul 31, 2026
First Eagle Funds, not summed
|
56,329 | ||
| 4 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,698,929 | ||
| 4.1 |
iShares Core S&P Mid-Cap ETF
Fund
S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
616,693 | ||
| 4.2 |
iShares Russell Mid-Cap ETF
Fund
S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
74,538 | ||
| 4.3 |
iShares S&P Mid-Cap 400 Growth ETF
Fund
S000004308 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
59,185 | ||
| 4.4 |
iShares S&P Mid-Cap 400 Value ETF
Fund
S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
40,689 | ||
| 4.5 |
iShares Russell 1000 Value ETF
Fund
S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
40,608 | ||
| 5 |
VAN ECK ASSOCIATES CORP
13G
CIK 869178 · Registered investment adviser · Sep 30, 2024
Rule 13d-1(b), qualified institution
|
1,306,473 | ||
| 6 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
944,548 | ||
| 6.1 |
U.S. SMALL CAP VALUE PORTFOLIO
Fund
S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
291,328 | ||
| 6.2 |
Dimensional US Small Cap Value ETF
Fund
S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
119,060 | ||
| 6.3 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
74,151 | ||
| 6.4 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
71,541 | ||
| 6.5 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
55,879 | ||
| 7 |
SMALLCAP World Fund Inc
Fund
S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
|
881,719 | ||
| 8 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
826,972 | ||
| 9 |
ARIEL INVESTMENTS, LLC
13F
CIK 936753 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
816,751 | ||
| 9.1 |
Ariel Fund
Fund
S000005024 · Registered fund · Jun 30, 2026
Ariel Investment Trust, not summed
|
349,270 | ||
| 9.2 |
Ariel Appreciation Fund
Fund
S000005025 · Registered fund · Jun 30, 2026
Ariel Investment Trust, not summed
|
76,300 | ||
| 9.3 |
Ariel Focus Fund
Fund
S000005026 · Registered fund · Jun 30, 2026
Ariel Investment Trust, not summed
|
5,388 | ||
| 10 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
816,198 | ||
| 11 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
584,782 | ||
| 12 |
EARNEST PARTNERS LLC
13F
CIK 1102578 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
580,752 | ||
| 13 |
|
571,762 | ||
| 13.1 |
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund
S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
91,182 | ||
| 13.2 |
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Growth ETF
Fund
S000006987 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
15,421 | ||
| 13.3 |
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund
S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
12,518 | ||
| 13.4 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
6,500 | ||
| 13.5 |
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund
S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
3,707 | ||
| 14 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
490,412 | ||
| 15 |
Capital World Investors
13F
CIK 1422849 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
462,457 | ||
| 16 |
Capital Research Global Investors
13F
CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
443,483 | ||
| 17 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
423,193 | ||
| 18 |
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
418,884 | ||
| 18.1 |
UBS U.S. Allocation Fund
Fund
S000002487 · Registered fund · May 31, 2026
UBS INVESTMENT TRUST, not summed
|
2,846 | ||
| 18.2 |
UBS Engage For Impact Fund
Fund
S000063381 · Registered fund · Mar 31, 2026
UBS FUNDS, not summed
|
1,191 | ||
| 18.3 |
UBS GLOBAL ALLOCATION FUND
Fund
S000002979 · Registered fund · Jun 30, 2026
UBS FUNDS, not summed
|
957 | ||
| 19 |
First Pacific Advisors, LP
13F
CIK 1377581 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
401,861 | ||
| 19.1 |
FPA Crescent Fund
Fund
S000009495 · Registered fund · Jun 30, 2026
Investment Managers Series Trust III, not summed
|
244,376 | ||
| 20 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
347,575 | ||
| 21 |
NOMURA HOLDINGS INC
13F
CIK 1163653 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
328,897 | ||
| 22 |
UBS Group AG
13F
CIK 1610520 · Bank · Jun 30, 2026
Classes BIO, BIO-B, carried, not yet filed for the newest quarter
|
308,338 | ||
| 23 |
SEI INVESTMENTS CO
13F
CIK 350894 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
273,377 | ||
| 24 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
267,971 | ||
| 25 |
|
267,634 | ||
| 26 |
DEERFIELD MANAGEMENT COMPANY, L.P.
13F
CIK 1009258 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
226,070 | ||
| 27 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
218,285 | ||
| 27.1 |
Mid Cap Index Fund
Fund
S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
11,708 | ||
| 27.2 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
689 | ||
| 28 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
206,734 | ||
| 29 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
195,538 | ||
| 29.1 |
Schwab Fundamental U.S. Small Company ETF
Fund
S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
59,175 | ||
| 29.2 |
Schwab U.S. Mid-Cap ETF
Fund
S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
49,165 | ||
| 29.3 |
Schwab U.S. Large-Cap ETF
Fund
S000026632 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
19,432 | ||
| 29.4 |
Schwab Fundamental U.S. Small Company Index Fund
Fund
S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
17,337 | ||
| 29.5 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
10,744 | ||
| 30 |
FRANKLIN RESOURCES INC
13F
CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
193,682 | ||
| 30.1 |
Putnam Core Equity Fund
Fund
S000029796 · Registered fund · Jul 31, 2026
Putnam Funds Trust, not summed
|
44,807 | ||
| 30.2 |
Franklin Mutual U.S. Mid Cap Value Fund
Fund
S000007352 · Registered fund · Jul 31, 2026
Franklin Value Investors Trust, not summed
|
36,820 | ||
| 30.3 |
George Putnam Balanced Fund
Fund
S000005597 · Registered fund · Jul 31, 2026
George Putnam Balanced Fund, not summed
|
12,604 | ||
| 30.4 |
Putnam U.S. Research Fund
Fund
S000003853 · Registered fund · Jul 31, 2026
Putnam Investment Funds, not summed
|
6,882 | ||
| 30.5 |
Putnam VT George Putnam Balanced Fund
Fund
S000003895 · Registered fund · Jun 30, 2026
Putnam Variable Trust, not summed
|
1,806 | ||
| 31 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
192,711 | ||
| 31.1 |
AQR Style Premia Alternative Fund
Fund
S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
27,762 | ||
| 31.2 |
AQR Large Cap Multi-Style Fund
Fund
S000040063 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
13,261 | ||
| 31.3 |
AQR Alternative Risk Premia Fund
Fund
S000058563 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
7,340 | ||
| 31.4 |
AQR Managed Futures Strategy HV Fund
Fund
S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
1,521 | ||
| 31.5 |
AQR Managed Futures Strategy Fund
Fund
S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
1,220 | ||
| 32 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
Classes BIO, BIO-B, carried, not yet filed for the newest quarter
|
190,997 | ||
| 32.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
18 | ||
| 33 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
181,225 | ||
| 33.1 |
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund
S000075322 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust II, not summed
|
618 | ||
| 33.2 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
534 | ||
| 33.3 |
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund
S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
224 | ||
| 33.4 |
Goldman Sachs JUST U.S. Large Cap Equity ETF
Fund
S000061377 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
172 | ||
| 34 |
SG Americas Securities, LLC
13F
CIK 1313360 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
170,802 | ||
| 35 |
GW&K Investment Management, LLC
13F
CIK 1082917 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
166,905 | ||
| 36 |
Gotham Asset Management, LLC
13F
CIK 1510387 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
166,262 | ||
| 37 |
Assenagon Asset Management S.A.
13F
CIK 1546007 · Unknown · Sep 30, 2026
|
147,506 | ||
| 38 |
Freestone Grove Partners LP
13F
CIK 2007591 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
140,113 | ||
| 39 |
THOMPSON SIEGEL & WALMSLEY LLC
13F
CIK 1008322 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
129,881 | ||
| 40 |
MANGROVE PARTNERS IM, LLC
13F
CIK 1535392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
127,191 | ||
| 41 |
VICTORY CAPITAL MANAGEMENT INC
13F
CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
122,126 | ||
| 41.1 |
Victory Sycamore Small Company Opportunity Fund
Fund
S000000800 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
|
75,000 | ||
| 41.2 |
VictoryShares US Small Mid Cap Value Momentum ETF
Fund
S000065161 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
|
17,251 | ||
| 41.3 |
Victory Extended Market Index Fund
Fund
S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
|
2,067 | ||
| 42 |
Fisher Asset Management, LLC
13F
CIK 850529 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
116,909 | ||
| 43 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
114,403 | ||
| 44 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
113,854 | ||
| 44.1 |
BNY Mellon US Mid Cap Core Equity ETF
Fund
S000067261 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
2,730 | ||
| 45 |
|
112,700 | ||
| 46 |
NEUBERGER BERMAN GROUP LLC
13F
CIK 1465109 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
111,812 | ||
| 46.1 |
Mid Cap Intrinsic Value Portfolio
Fund
S000008201 · Registered fund · Jun 30, 2026
NEUBERGER BERMAN ADVISERS MANAGEMENT TRUST, not summed
|
6,143 | ||
| 47 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
111,580 | ||
| 48 |
Boston Trust Walden Corp
13F
CIK 1534866 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
111,167 | ||
| 49 |
ENVESTNET ASSET MANAGEMENT INC
13F
CIK 1407543 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
105,449 | ||
| 50 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
102,605 |
54 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 578 holders
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