$BIO

$380.99 +$8.56 (2.3%) Close

$BIO Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 26.7M shares outstanding

Who owns BIO?

By type of holder

Institutions 72.5% Insiders 0.0% Everyone else 27.5%

Concentration Top 10 holders own 74.9%

Norman D. Schwartz 18.4% · Steven D. Schwartz 15.3%

Institutional ownership

72.5%

-2.2 pts vs last qtr

Institutional holders

398

+2 vs last qtr

Net shares bought

−589.5K

by institutions in Q2 2026

New / sold out

59 / 57

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Goldman Sachs Group Inc +128.2K
Norges Bank NEW +111.6K

Biggest sellers in Q2 2026

Massachusetts Financial Services Co /ma/ −388.3K
Parnassus Investments, LLC SOLD OUT −254.3K

Who is planning to sell?

Notices of proposed sale, last 12 months

$1.05M

5 notices from 4 people

Shares covered

3.5K

0.01% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Alles Institute for Medical Research Corp Director $448K
Michael W Crowley Officer $248K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−8.0%

−0.92% a year

Each share's claim on the business

+8.7%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$1.37B vs $442M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years62% 3–5 years16% 1–3 years10% Under 1 year12%

Quarterly turnover

10.7%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting BIO on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
FE First Eagle Investment Management, LLC	2.6M	9.74%	+3.4K (+0.1%)	2023	1.3%
Shares held by quarter Peak holding2.6M (Q2'26) Change over 8 quarters+1.9M Share of the company9.740% First Eagle Investment Management, LLC's full portfolio →
B BlackRock, Inc.	1.7M	6.35%	+18.9K (+1.1%)	≤2021	0.0%
Shares held by quarter Peak holding2.0M (Q1'25) Change over 8 quarters−231.0K Share of the company6.350% BlackRock, Inc.'s full portfolio →

First Eagle Investment Management, LLC

2.6M

% of company

9.74%

Change vs last qtr

+3.4K (+0.1%)

Held since

2023

BlackRock, Inc.

1.7M

% of company

6.35%

Change vs last qtr

+18.9K (+1.1%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Bio-Rad Laboratories, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting BIO on Form N-PORT; together they hold 36.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FE First Eagle Global Fund First Eagle Funds	$611M	1.9M	7.02%	0.80%	July 31, 2026
SW SMALLCAP World Fund Inc SMALLCAP World Fund Inc	$259M	881.7K	3.30%	0.27%	June 30, 2026

First Eagle Global Fund

First Eagle Funds

Position value

$611M

% of company

7.02%

% of the fund

0.80%

As of

July 31, 2026

SMALLCAP World Fund Inc

Position value

$259M

% of company

3.30%

% of the fund

0.27%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Bio-Rad Laboratories, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
ND Norman D. Schwartz 5%+ holder 13D · 97.2%	4.9M	18.43%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company18.430% Disclosed stake13D · 97.2% View the 13D/G filing →
SD Steven D. Schwartz 5%+ holder 13D · 80.8%	4.1M	15.32%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company15.320% Disclosed stake13D · 80.8% View the 13D/G filing →

Norman D. Schwartz

5%+ holder13D · 97.2%

4.9M

% of company

18.43%

Change vs last qtr

—

Held since

—

Steven D. Schwartz

5%+ holder13D · 80.8%

4.1M

% of company

15.32%

Change vs last qtr

—

Held since

—

1 more holders behind a free account

See every insider and 5%+ holder of Bio-Rad Laboratories, Inc..

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