BIO

Bio-rad Laboratories-a

Latest period2026 - Q2Total superinvestors21

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2026-Q1 and 2026-Q2. According to the most recent SEC 13F filing, 21 superinvestors own shares of Bio-rad Laboratories-a (BIO), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Bio-rad Laboratories-a (BIO), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Bio-rad Laboratories-a (BIO) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Bio-rad Laboratories-a (BIO) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Dr. Dr. Heimo Ploessnig@Assenagon Asset Management S.a.
Recent Activity
Increased 57.77%
0.09%
$68.478M
233,227 shares@ 293.61 avg price
Mikael Aho@Handelsbanken Fonder Ab
Recent Activity
0.01%
$1.859M
6,332 shares@ 293.59 avg price
Sonya Newkirk@First Citizens Bank & Trust Co
Recent Activity
Increased 60.4%
0.02%
$675,303
2,300 shares@ 293.61 avg price
Lorraine Fang@Gamma Investing Llc
Recent Activity
Decreased -11.14%
0.02%
$325,320
1,108 shares@ 293.62 avg price
Camille Mobley@Insight Wealth Strategies, Llc
Recent Activity
Decreased -1.43%
0.03%
$245,693
827 shares@ 297.09 avg price
Christopher Chung@Beacon Investment Advisory Services, Inc.
Recent Activity
0.01%
$221,089
753 shares@ 293.62 avg price
Lawrence Kellogg@Financial Management Professionals, Inc.
Recent Activity
0.01%
$58,722
200 shares@ 293.61 avg price
Brandon Yee@Versant Capital Management, Inc
Recent Activity
Decreased -54.08%
0.01%
$26,425
90 shares@ 293.62 avg price
Daken Vanderburg@Massmutual Private Wealth & Trust, Fsb
Recent Activity
Decreased -37.93%
0.01%
$10,570
36 shares@ 293.62 avg price
Kerry A Harmon@Wolff Wiese Magana Llc
Recent Activity
0.01%
$6,754
23 shares@ 293.66 avg price

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