Bio-Rad Laboratories BIO Institutional Ownership

NYSE BIO

$378.28 -1.27 (-0.33%)

As of: Sep 30, 2026 · 3:59 PM EDT

Institutions by Trading Activity

403 Institutions

Increased 178 44.2%

Unchanged 71 17.6%

Reduced 154 38.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

90.44%

▼-1.38 pp QoQ

Shares Held by Institutions

19.60Mn

of 21.68Mn outstanding

▲+2.11% QoQ

Shares Outstanding

21.68Mn

2.07Mn held outside 13F filers

Institutional Investors

403

filed 13F for Jun 2026

▲+10 vs prior quarter

Net Shares Added (QoQ)

+405.26K

accumulated since last quarter

Value of Holdings

$7.44Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Bio-Rad Laboratories, Inc. (NYSE:BIO) has 402 institutional investors with active 13F positions as of June 2026.

These investors collectively held 90.4% of Bio-Rad Laboratories's outstanding shares in June 2026, down from 91.8% in March 2026.
Their total shares held in BIO increased 2.11% from the prior quarter, while the number of investors in Bio-Rad Laboratories increased 4.69% year over year.
Among the 402 funds, 178 bought more Bio-Rad Laboratories shares, 153 sold down, and 71 held their ground.
Combined, these investors held 19.6Mn shares in BIO for June 2026, up by 405.4K shares quarter on quarter, and up 1.2Mn shares year over year.
First Eagle Investment Management, LLC holds the largest position in BIO at 2.61Mn shares as of June 30, 2026, or 12.02% of shares outstanding.
Top purchasers of BIO stock for the quarter ending June 2026 included Sixth Street Partners Management Company, L.P. (195.54K), Goldman Sachs Group Inc (128.18K), NORGES BANK (111.58K), Nomura Holdings Inc (111.56K), Neuberger Berman Group LLC (108.78K).
Top sellers of BIO stock for the quarter ending June 2026 included MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (388.3K), DIMENSIONAL FUND ADVISORS LP (144.78K), Mawer Investment Management Ltd. (117.21K), Federated Hermes, Inc. (105.64K), CITADEL ADVISORS LLC (87.85K).
Business Quant data shows the 10 biggest positions in Bio-Rad Laboratories as of June 2026 are held by First Eagle Investment Management, LLC (2.61Mn), BlackRock, Inc. (1.7Mn), DIMENSIONAL FUND ADVISORS LP (944.55K), VANGUARD CAPITAL MANAGEMENT LLC (826.97K), ARIEL INVESTMENTS, LLC (816.75K), VANGUARD PORTFOLIO MANAGEMENT LLC (816.2K), EARNEST PARTNERS LLC (580.75K), State Street Corp (571.76K), Bank Of America Corp /De/ (490.41K), Capital World Investors (462.46K).

Form 13F Holdings

403 Institutional Holders

Report period 30 Jun, 2026

Total shares held 19.60Mn

Of outstanding 90.44%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	First Eagle Investment Management, LLC	0001325447	2,606,219	12.02%	▼2,599,325	-49.93%	$765.21Mn
2	BlackRock, Inc.	0002012383	1,698,929	7.84%	▲18,869	+1.12%	$498.82Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	944,548	4.36%	▼144,775	-13.29%	$277.33Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	826,972	3.81%	▼4,193	-0.50%	$242.81Mn
5	ARIEL INVESTMENTS, LLC	0000936753	816,751	3.77%	▲30,790	+3.92%	$239.81Mn
6	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	816,198	3.77%	▼12,988	-1.57%	$239.64Mn
7	EARNEST PARTNERS LLC	0001102578	580,752	2.68%	▼7,979	-1.36%	$170.51Mn
8	State Street Corp	0000093751	571,762	2.64%	▲12,192	+2.18%	$167.88Mn
9	Bank Of America Corp /De/	0000070858	490,412	2.26%	▲45,455	+10.22%	$143.99Mn
10	Capital World Investors	0001422849	462,457	2.13%	▲12,457	+2.77%	$135.78Mn
11	Capital Research Global Investors	0001422848	443,483	2.05%	▲57,904	+15.02%	$130.21Mn
12	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	418,884	1.93%	▼7,154	-1.68%	$122.99Mn
13	First Pacific Advisors, LP	0001377581	401,861	1.85%	▼5,497	-1.35%	$117.99Mn
14	GEODE CAPITAL MANAGEMENT, LLC	0001214717	347,575	1.60%	▼17,107	-4.69%	$102.08Mn
15	Nomura Holdings Inc	0001163653	328,897	1.52%	▲111,555	+51.33%	$96.57Mn
16	UBS Group AG	0001610520	308,325	1.42%	▼46,040	-12.99%	$90.53Mn
17	Sei Investments Co	0000350894	273,377	1.26%	▼14,535	-5.05%	$80.26Mn
18	Barclays Plc	0000312069	267,634	1.23%	▼11,201	-4.02%	$78.58Mn
19	Assenagon Asset Management S.A.	0001546007	233,227	1.08%	▲85,393	+57.76%	$68.48Mn
20	DEERFIELD MANAGEMENT COMPANY, L.P.	0001009258	226,070	1.04%	0	0.00%	$66.38Mn

Showing 1 to 20 of 403 holders