Bio-Rad Laboratories, Inc. (BIO) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

27,285,458Shares Outstanding

749,053Shares held by institutions

$198,446,611Value of institutional holdings

69.81%Institutional ownership %

1.30%Shares Changed QoQ

368No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Bio-Rad Laboratories, Inc. (NYSE:BIO) currently has 368 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

The collective stake of institutional investors in Bio-Rad Laboratories moved to 69.8% in December 2025, a shift down from the 72.3% reported for September 2025.
In percentage terms, this reflects as a holdings change of 1.30% quarter on quarter, and a decrease of 18.04% year over year.
A review of institutional activity for Bio-Rad Laboratories shows 151 of 368 filers increasing their positions, while 137 reduced their stake, and 80 remained unchanged.
Collectively, institutional investors increased their stake in Bio-Rad Laboratories to 19.05Mn shares as of December 2025, a change that is up by 244.13K shares quarter on quarter and up 175.93K shares year over year.
First Eagle Investment Management, LLC's holding of 2.57Mn shares as of December 31, 2025 makes it the primary institutional investor in Bio-Rad Laboratories, owning 9.42% of the stock.
Among the most significant buyers of Bio-Rad Laboratories during December 2025 were MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (390.59K), Boston Partners (247.61K), NORGES BANK (114.19K), Freestone Grove Partners LP (110.52K), Capital Research Global Investors (76.12K).
Leading sellers of Bio-Rad Laboratories stock in December 2025 included Veritas Asset Management LLP (300.70K), ROYAL BANK OF CANADA (161.38K), PARNASSUS INVESTMENTS, LLC (63.19K), T. Rowe Price Investment Management, Inc. (63.01K), Hound Partners, LLC (60.70K).
The top 10 institutional holders of Bio-Rad Laboratories for the quarter ending December 2025 included First Eagle Investment Management, LLC (2.57Mn), VANGUARD GROUP INC (1.77Mn), BlackRock, Inc. (1.68Mn), DIMENSIONAL FUND ADVISORS LP (1.08Mn), ARIEL INVESTMENTS, LLC (764.67K), EARNEST PARTNERS LLC (603.59K), STATE STREET CORP (559.60K), Veritas Asset Management LLP (543.34K), Capital Research Global Investors (494.47K), BANK OF AMERICA CORP /DE/ (445.45K).

368 Institutional Holders

749,053 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
First Eagle Investment Management, LLC	31 Dec, 2025	2,570,473	50,154	1.99%	$778,827,760.00
VANGUARD GROUP INC	31 Dec, 2025	1,774,263	-19,274	-1.07%	$537,583,947.00
BlackRock, Inc.	31 Dec, 2025	1,680,948	-14,901	-0.88%	$509,310,344.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,077,072	14,134	1.33%	$326,343,765.00
ARIEL INVESTMENTS, LLC	31 Dec, 2025	764,672	-44,808	-5.54%	$231,687,970.00
EARNEST PARTNERS LLC	31 Dec, 2025	603,594	-5,690	-0.93%	$182,882,946.00
STATE STREET CORP	31 Dec, 2025	559,604	-11,995	-2.10%	$169,554,416.00
Veritas Asset Management LLP	31 Dec, 2025	543,335	-300,704	-35.63%	$164,625,072.00
Capital Research Global Investors	31 Dec, 2025	494,472	76,117	18.19%	$149,820,071.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	445,449	-14,438	-3.14%	$134,966,592.00
First Pacific Advisors, LP	31 Dec, 2025	401,457	7,043	1.79%	$121,637,456.00
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	31 Dec, 2025	399,207	390,593	4,534.40%	$120,955,730.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	395,077	-2,094	-0.53%	$119,704,381.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	338,328	-11,888	-3.39%	$102,531,269.00
SEI INVESTMENTS CO	31 Dec, 2025	291,914	9,445	3.34%	$88,445,447.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	259,577	21,674	9.11%	$78,649,137.00
PARNASSUS INVESTMENTS, LLC	31 Dec, 2025	252,140	-63,188	-20.04%	$76,395,899.00
Boston Partners	31 Dec, 2025	247,612	247,612	0.00%	$75,037,041.00
Mawer Investment Management Ltd.	31 Dec, 2025	233,946	-9,522	-3.91%	$70,883,299.00
SOUTHEASTERN ASSET MANAGEMENT INC/TN/	31 Dec, 2025	227,630	-9,624	-4.06%	$68,969,614.00

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