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

Historical Holders from Q1 2014 to Q3 2025

Symbol: BIO on NYSE
Type / Class: Equity / Class B Common Stock
Shares outstanding: 5,071,025
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 19,454,185
Holdings value: $5,456,458,314
% of all portfolios: 0.01%
Number of holders: 385
Number of buys: 177
Number of sells: -185
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

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

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
SCHWARTZ NORMAN D	97.2%		$1,382,052,897		4,929,036		Norman D. Schwartz	25 Sep 2025
SCHWARTZ ALICE N	12.3%		$659,303,856		2,732,073		Alice N. Schwartz	01 May 2025
First Eagle Investment Management, LLC	11.4%	+14%	$657,060,173	+$60,827,513	2,528,321	+10.2%	First Eagle Investment Management, LLC	30 Jun 2025
VANGUARD GROUP INC	8.37%		$462,850,693		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

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

Period	Reported Shares, Excl. Options	Value, Excl. Options	Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	19,454,185	$5,456,458,314	+$100,299,139	$925,287	$1,682,340	$280.39	385
2025 Q2	19,201,217	$4,634,744,932	+$3,469,914	$8,566,860	$2,582,124	$241.32	380
2025 Q1	19,188,664	$4,671,911,959	+$52,969,583	$3,506,144	$3,093,212	$243.56	429
2024 Q4	18,778,253	$6,169,336,505	-$215,682,627	$3,777,865	$5,157,607	$328.51	450
2024 Q3	19,370,183	$6,481,921,085	-$218,781,622	$4,645,323	$6,524,310	$334.58	433
2024 Q2	19,799,636	$5,407,155,613	+$314,233,620	$10,214,314	$6,336,152	$273.11	428
2024 Q1	18,483,713	$6,388,531,345	+$32,714,858	$27,565,839	$15,529,563	$345.87	456
2023 Q4	18,529,807	$5,981,150,118	-$116,305,124	$26,832,159	$45,236,889	$322.89	479
2023 Q3	18,786,490	$6,730,924,381	-$58,698,141	$23,406,785	$21,507,000	$358.45	466
2023 Q2	18,297,158	$6,935,982,346	-$192,100,378	$39,256,360	$22,590,120	$379.12	463
2023 Q1	19,221,018	$9,200,944,144	+$12,069,903	$35,681,028	$36,974,726	$479.02	499
2022 Q4	19,259,738	$8,110,380,673	-$117,736,871	$62,820,814	$43,520,715	$420.49	467
2022 Q3	19,487,538	$8,135,809,192	+$113,970,897	$87,641,000	$75,627,000	$417.14	471
2022 Q2	19,114,362	$9,462,174,468	+$34,485,329	$92,962,000	$32,028,000	$495	489
2022 Q1	19,167,385	$10,796,615,316	-$34,402,167	$83,301,000	$56,999,000	$563.23	505
2021 Q4	19,102,716	$14,417,922,909	-$389,707,592	$97,092,000	$40,952,000	$755.57	521
2021 Q3	19,387,789	$14,451,450,076	+$60,848,148	$53,562,000	$76,167,000	$745.95	500
2021 Q2	19,381,230	$12,476,219,166	-$119,629,052	$77,186,000	$39,366,000	$644.29	496
2021 Q1	19,617,764	$11,195,376,908	-$8,883,384	$14,161,000	$22,490,000	$571.17	483
2020 Q4	19,657,768	$11,449,028,308	+$302,277,766	$15,383,000	$13,102,000	$582.94	483
2020 Q3	19,264,413	$9,927,181,928	+$28,169,224	$14,690,000	$8,916,000	$515.46	471
2020 Q2	19,228,922	$8,674,553,754	+$210,745,728	$10,505,000	$11,242,000	$451.49	461
2020 Q1	18,823,652	$6,598,533,578	-$18,322,057	$12,650,000	$6,443,000	$350.56	400
2019 Q4	18,896,407	$6,990,274,305	-$73,846,893	$8,806,000	$26,198,000	$370.03	378
2019 Q3	19,229,050	$6,397,950,795	+$147,523,371	$27,587,000	$8,221,000	$332.74	349
2019 Q2	18,689,418	$5,839,484,014	-$162,235,104	$4,845,000	$17,005,000	$312.59	326
2019 Q1	19,427,855	$5,938,774,395	+$26,520,823	$64,224,000	$60,892,000	$305.68	340
2018 Q4	19,085,794	$4,431,741,573	-$63,728,134	$7,918,000	$4,895,000	$232.22	319
2018 Q3	18,915,230	$5,919,673,702	+$12,116,363	$3,256,000	$407,000	$312.99	336
2018 Q2	19,093,330	$5,509,358,014	-$50,946,485	$2,279,000	$2,423,000	$288.54	321
2018 Q1	19,293,335	$4,824,798,687	+$32,427,500	$4,976,000	$3,076,000	$250.08	310
2017 Q4	19,199,238	$4,582,088,596	+$7,406,998	$8,138,000	$2,100,000	$238.67	297
2017 Q3	19,186,971	$4,263,280,405	+$85,006,470	$1,289,000	$2,800,000	$222.22	268
2017 Q2	18,803,522	$4,255,482,844	-$40,486,301	$1,041,000	$1,109,000	$226.31	274
2017 Q1	19,038,767	$3,796,416,375	+$212,751,881	$99,610,000	$638,000	$199.34	270
2016 Q4	19,724,001	$3,595,615,783	+$105,010,927	$729,000	$6,343,000	$182.28	255
2016 Q3	19,083,435	$3,125,213,054	+$688,135	$864,000	$5,985,000	$163.81	235
2016 Q2	19,112,947	$2,733,970,889	+$70,361,251	$57,000	$2,846,000	$143.02	233
2016 Q1	18,593,481	$2,543,249,593	-$28,652,347	$697,000	$6,016,000	$136.72	227
2015 Q4	18,814,885	$2,609,135,116	-$16,649,584	$347,000	$1,193,000	$138.66	237
2015 Q3	18,827,519	$2,528,738,077	+$40,719,556	$363,000	$1,545,000	$134.31	241
2015 Q2	18,681,380	$2,812,961,739	-$21,728,607	$934,000	$2,680,000	$150.61	221
2015 Q1	18,867,726	$2,549,214,332	+$11,434,191		$2,285,000	$135.18	216
2014 Q4	18,830,474	$2,270,334,287	+$17,595,205		$591,000	$120.56	213
2014 Q3	18,587,460	$2,107,510,068	+$35,450,758	$0	$1,009,000	$113.4	198
2014 Q2	18,276,691	$2,186,453,716	+$17,844,667	$227,000	$1,796,000	$119.71	201
2014 Q1	18,092,627	$2,316,027,490	-$19,637,838	$410,000	$602,000	$128.12	189