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Bio-Rad Laboratories Class A
BIO

Name Holding Trade Value Shares
Change 		Change in
Stake
ACM
1
Atlanta Capital Management
Georgia
$192M +$200M +1,707,995 New
RA
2
Royce & Associates
New York
$143M +$149M +1,271,903 New
Vanguard Group
3
Vanguard Group
Pennsylvania
$114M +$119M +1,017,511 New
AI
4
Ariel Investments
Illinois
$114M +$119M +1,012,406 New
CIP
5
Champlain Investment Partners
Vermont
$83.2M +$87M +741,295 New
LCS
6
Levin Capital Strategies
New York
$82.7M +$86.4M +736,879 New
BIT
7
BlackRock Institutional Trust
California
$71.6M +$74.9M +638,129 New
BBHC
8
Brown Brothers Harriman & Co
New York
$69M +$72.2M +615,384 New
UBS AM
9
UBS AM
Illinois
$66.4M +$69.4M +591,862 New
State Street
10
State Street
Massachusetts
$65.1M +$68.1M +580,171 New
BFA
11
BlackRock Fund Advisors
California
$61.3M +$64.1M +546,665 New
SIG
12
Senator Investment Group
New York
$57.2M +$59.8M +510,000 New
Morgan Stanley
13
Morgan Stanley
New York
$42.8M +$44.7M +381,297 New
RFC
14
Russell Frank Company
Washington
$39.7M +$41.5M +353,943 New
Fisher Asset Management
15
Fisher Asset Management
Washington
$39.7M +$41.5M +353,856 New
Wells Fargo
16
Wells Fargo
California
$38.6M +$40.3M +343,896 New
ICM
17
Intrepid Capital Management
Florida
$35.4M +$37.1M +315,865 New
FPA
18
First Pacific Advisors
California
$34.1M +$35.7M +304,300 New
GIM
19
Granahan Investment Management
Massachusetts
$32.3M +$33.7M +287,484 New
MAA
20
Managed Account Advisors
New Jersey
$32.2M +$33.6M +286,611 New
ICOM
21
Investment Counselors of Maryland
Maryland
$27.5M +$28.8M +245,450 New
Northern Trust
22
Northern Trust
Illinois
$27.1M +$28.4M +241,811 New
TCM
23
TimesSquare Capital Management
New York
$26.2M +$27.4M +233,404 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$23.3M +$24.4M +207,840 New
Invesco
25
Invesco
Georgia
$21.1M +$22M +187,649 New
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