Activity Companies Alerts About

Norman Schwartz owns 30.27% of Bio-Rad Laboratories

8,092,983 shares as of the September 6, 2026 filing, worth $2.9B at the latest close.

BIO · $9.5B market cap
Get an email when Norman Schwartz’s stake moves.
Free.
The stake
30.27%
worth $2.9B at the latest close
Stake rank
#43
by dollar value of the stake
Last sale
None
no sales since 2016
Last buy
None
no purchases since 2016

Norman Schwartz owns 30.27% of BIO-RAD LABORATORIES, INC.: 8,092,983 of 26,738,175 shares, worth about $2.9B at the 2026-10-16 close. The stake has moved from 15.89% in 2016 to 30.27% on 2026-09-06.

How the stake is held

each class as its filings last stated it
SHARES
OF THE STAKE
CLASS B · stated Sep 6, 2026 · Form 4 ↗
4,929,036
60.9%
HELD DIRECTLY
361,466
4.5%
HELD INDIRECTLY · 4 VEHICLES
4,567,570
56.4%
By Blue Raven Partners, L.P
4,060,054
50.2%
By Alice N. Schwartz Revocable Trust
437,510
5.4%
By David Schwartz Non-Exempt Martial Trust
57,000
0.7%
By Spouse
13,006
0.2%
CLASS A · stated Sep 6, 2026 · Form 4 ↗
3,163,947
39.1%
HELD DIRECTLY
449,019
5.5%
HELD INDIRECTLY · 5 VEHICLES
2,714,928
33.5%
By Alice N. Schwartz Revocable Trust
1,781,356
22.0%
By David Schwartz Non-Exempt Martial Trust
898,931
11.1%
By Charitable Remainder Unitrust
34,311
0.4%
By David Schwartz Exempt Martial Trust
240
0.0%
By David Schwartz Exemption Trust
90
0.0%
THE STAKE
8,092,983
30.27%