BIO-RAD LABORATORIES, INC. - Class B Common Stock (BIO)

Historical Holders from Q1 2014 to Q4 2025

Type / Class
Equity / Class B Common Stock
Symbol
BIO on NYSE
Shares outstanding
5,071,025
Price per share
$302.99
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
19,454,185
Total reported value
$5,456,458,314
% of total 13F portfolios
0.01%
Share change
+263,666
Value change
+$100,299,144
Avg buy value change
+0%
Avg sell value change
-0%
Number of holders
385
Price from insider filings
$295.43
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of BIO-RAD LABORATORIES, INC. - Class B Common Stock (BIO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
SCHWARTZ NORMAN D 97% $1,382,052,897 4,929,036 Norman D. Schwartz 25 Sep 2025
SCHWARTZ ALICE N 12% $632,666,145 2,732,073 Alice N. Schwartz 01 May 2025
First Eagle Investment Management, LLC 11% +14% $585,483,394 +$54,201,274 2,528,321 +10% First Eagle Investment Management, LLC 30 Jun 2025
VANGUARD GROUP INC 8.4% $468,897,912 1,907,640 The Vanguard Group - 23-1945930 30 Sep 2024
BlackRock, Inc. 7.4% $453,705,832 1,618,123 BlackRock, Inc. 30 Sep 2025
As of 30 Sep 2025, BIO-RAD LABORATORIES, INC. - Class B Common Stock (BIO) has 385 institutional shareholders filing 13F forms. They hold 19,454,185 shares. .

Top 25 institutional shareholders own 290% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
First Eagle Investment Management, LLC 50% 2,520,319 +0.12% 1.3% $706,672,287
VANGUARD GROUP INC 35% 1,793,537 -2.9% 0.01% $502,889,839
BlackRock, Inc. 33% 1,695,849 -3.8% 0.01% $475,499,107
DIMENSIONAL FUND ADVISORS LP 21% 1,062,938 +6.3% 0.06% $298,018,552
Veritas Asset Management LLP 17% 844,039 -2.2% 2.5% $236,660,095
ARIEL INVESTMENTS, LLC 16% 809,480 -1.1% 2.4% $226,970,097
EARNEST PARTNERS LLC 12% 609,284 +0.56% 0.74% $170,837,141
STATE STREET CORP 11% 571,599 -2.2% 0.01% $160,270,644
BANK OF AMERICA CORP /DE/ 9.1% 459,887 +1.7% 0.01% $128,947,715
Capital Research Global Investors 8.2% 418,355 0.02% $117,302,558
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC 7.8% 397,171 +2271% 0.02% $111,362,776
First Pacific Advisors, LP 7.8% 394,414 +1.9% 1.5% $110,589,741
GEODE CAPITAL MANAGEMENT, LLC 6.9% 350,216 +4.8% 0.01% $98,213,875
PARNASSUS INVESTMENTS, LLC 6.2% 315,328 -0.6% 0.2% $88,414,818
SEI INVESTMENTS CO 5.6% 282,469 +6.4% 0.09% $79,199,024
Mawer Investment Management Ltd. 4.8% 243,468 -8.9% 0.35% $68,265,993
FULLER & THALER ASSET MANAGEMENT, INC. 4.7% 237,903 0.23% $66,705,645
SOUTHEASTERN ASSET MANAGEMENT INC/TN/ 4.7% 237,254 -25% 3.4% $66,523,650
UBS Group AG 4.5% 230,719 +15% 0.01% $64,691,300
DEERFIELD MANAGEMENT COMPANY, L.P. 4.5% 226,070 0% 0.97% $63,387,767
NORTHERN TRUST CORP 4.5% 226,006 -0.22% 0.01% $63,369,823
THOMPSON SIEGEL & WALMSLEY LLC 4.3% 217,596 -29% 0.99% $61,012,000
GW&K Investment Management, LLC 3.6% 183,845 +25% 0.46% $51,550,000
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 3.5% 179,966 -8.9% 0.01% $50,460,667
ROYAL BANK OF CANADA 3.5% 176,091 +16% 0.01% $49,374,000

Institutional Holders of BIO-RAD LABORATORIES, INC. - Class B Common Stock (BIO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (% of par) Investors
2025 Q4 49,757 $15,101,583 +$3,993,672 30,298.99% 15
2025 Q3 19,454,185 $5,456,458,314 +$100,299,144 28,039% 385
2025 Q2 19,201,217 $4,634,744,932 +$3,469,875 24,132% 380
2025 Q1 19,181,467 $4,670,159,072 +$52,879,187 24,356% 426
2024 Q4 18,764,162 $6,164,722,082 -$152,201,283 32,851% 444
2024 Q3 19,162,454 $6,412,420,599 -$279,752,974 33,458% 427
2024 Q2 19,816,196 $5,411,706,056 +$464,433,933 27,311% 426
2024 Q1 18,272,477 $6,315,470,447 -$35,368,869 34,587% 456
2023 Q4 24,731 $7,985,483 -$16,852,825 32,289% 6
2023 Q3 18,457,660 $6,613,055,542 -$70,137,676 35,845% 456
2023 Q2 17,821,988 $6,755,835,340 -$277,925,413 37,912% 453
2023 Q1 18,998,691 $9,094,623,775 +$18,872,603 47,902% 489
2022 Q4 19,025,744 $8,011,988,739 -$128,000,840 42,049% 459
2022 Q3 19,395,576 $8,097,448,506 +$130,457,118 41,713.99% 463
2022 Q2 19,064,848 $9,428,547,030 +$17,355,838 49,500% 482
2022 Q1 19,056,470 $10,734,143,362 -$18,669,642 56,322.99% 494
2021 Q4 18,964,586 $14,313,426,654 -$402,375,701 75,556.69% 509
2021 Q3 18,911,244 $14,095,973,388 -$122,791,353 74,594.99% 492
2021 Q2 17,742,366 $11,423,711,209 -$226,944,253 64,428.66% 495
2021 Q1 19,469,565 $11,110,727,116 -$15,424,723 57,116.74% 476
2020 Q4 19,605,338 $11,418,456,471 +$293,917,338 58,293.96% 477
2020 Q3 18,837,632 $9,706,647,183 +$5,818,429 51,545.84% 465
2020 Q2 19,193,352 $8,657,995,476 +$190,482,184 45,148.95% 455
2020 Q1 18,803,608 $6,591,438,327 -$7,552,357 35,056% 393
2019 Q4 18,886,210 $6,986,506,787 -$71,170,800 37,002.72% 373
2019 Q3 19,208,973 $6,391,267,036 +$144,806,061 33,273.96% 343
2019 Q2 18,618,476 $5,817,314,057 -$97,198,198 31,259.01% 321
2019 Q1 19,366,807 $5,920,114,566 +$30,192,955 30,568% 336
2018 Q4 18,518,114 $4,299,916,579 -$58,582,110 23,221.84% 313
2018 Q3 18,903,694 $5,916,059,063 +$12,353,649 31,298.98% 333
2018 Q2 19,081,493 $5,505,940,330 -$8,922,937 28,853.85% 316
2018 Q1 19,253,383 $4,814,606,474 +$32,016,946 25,007.92% 304
2017 Q4 19,185,986 $4,578,928,999 +$6,461,655 23,866.97% 294
2017 Q3 19,186,966 $4,263,279,405 +$85,006,493 22,222.06% 269
2017 Q2 18,803,522 $4,255,482,844 -$43,934,494 22,630.8% 274
2017 Q1 19,036,899 $3,796,044,599 +$211,209,136 19,933.96% 268
2016 Q4 19,667,406 $3,585,333,783 +$100,139,225 18,228.02% 250
2016 Q3 19,075,007 $3,123,834,054 +$558,573 16,380.99% 232
2016 Q2 18,812,689 $2,690,869,889 +$67,555,799 14,302% 229
2016 Q1 18,309,601 $2,504,507,593 -$30,813,593 13,671.99% 225
2015 Q4 18,279,558 $2,534,907,116 -$10,809,849 13,866.04% 232
2015 Q3 18,673,877 $2,508,102,077 +$20,727,375 13,430.98% 239
2015 Q2 18,449,209 $2,777,995,739 -$14,039,954 15,060.86% 219
2015 Q1 18,836,885 $2,545,045,332 +$11,074,144 13,517.98% 212
2014 Q4 18,805,927 $2,267,374,287 +$17,389,589 12,055.88% 210
2014 Q3 18,446,548 $2,091,528,068 +$35,397,388 11,339.97% 198
2014 Q2 18,272,463 $2,185,947,716 +$17,338,586 11,970.98% 201
2014 Q1 18,084,148 $2,314,941,490 -$21,454,124 12,812% 188