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Idexx Laboratories
IDXX

Overview Fund Activity

1,126 hedge funds and large institutions have $30.9B invested in Idexx Laboratories in 2025 Q1 according to their latest regulatory filings, with 124 funds opening new positions, 460 increasing their positions, 348 reducing their positions, and 90 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,126
Holders Change
+17
Holders Change %
+1.53%
% of All Funds
15.3%
Holding in Top 10
18
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+50%
% of All Funds
0.24%
New
124
Increased
460
Reduced
348
Closed
90
Calls
$68.7M
Puts
$105M
Net Calls
-$36.1M
Net Calls Change
+$20.8M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$835M
2
Select Equity Group
2
Select Equity Group
New York
$195M
3
Principal Financial Group
3
Principal Financial Group
Iowa
$473M
4
DCP
4
Durable Capital Partners
Maryland
$153M
5
UBS AM
5
UBS AM
Illinois
$452M

Top Sellers

1
AllianceBernstein
1
AllianceBernstein
Tennessee
$76.4M
2
Alyeska Investment Group
2
Alyeska Investment Group
Illinois
$0
3
Franklin Resources
3
Franklin Resources
California
$233M
4
Assenagon Asset Management
4
Assenagon Asset Management
Luxembourg
$86.7M
5
Millennium Management
5
Millennium Management
New York
$16.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
SIMG
101
Stephens Investment Management Group
Texas
$46.8M +$1.16M +2,763 +3%
Marshall Wace
102
Marshall Wace
United Kingdom
$46.4M -$40.6M -96,565 -47%
Wells Fargo
103
Wells Fargo
California
$46.4M +$7.86M +18,719 +20%
PI
104
PineBridge Investments
New York
$45.5M +$8.05M +19,174 +21%
BFS
105
Bradley Foster & Sargent
Connecticut
$43.6M +$6.36M +15,136 +17%
RMDI
106
R.M. Davis Inc
Maine
$43.2M +$90.7K +216 +0.2%
RP
107
Riverbridge Partners
Minnesota
$43M -$373K -889 -0.9%
Thrivent Financial for Lutherans
108
Thrivent Financial for Lutherans
Minnesota
$42.7M +$580K +1,382 +1%
BNP Paribas Asset Management
109
BNP Paribas Asset Management
France
$42M +$9.73M +23,177 +30%
Bank of Montreal
110
Bank of Montreal
Ontario, Canada
$42M -$8.53M -20,307 -17%
Royal London Asset Management
111
Royal London Asset Management
United Kingdom
$38.6M +$1.58M +3,755 +4%
Aberdeen Group
112
Aberdeen Group
United Kingdom
$37.4M -$63.3M -152,528 -63%
CIBC Private Wealth Group
113
CIBC Private Wealth Group
Georgia
$37.4M +$8.33M +23,076 +29%
BPCE
114
Bank Pictet & Cie (Europe)
Germany
$37.4M – – –
RBI
115
Raiffeisen Bank International
Austria
$36.7M -$5.5M -13,231 -13%
CC
116
Chicago Capital
Illinois
$36.7M +$468K +1,115 +1%
Bank of Nova Scotia
117
Bank of Nova Scotia
Ontario, Canada
$36.5M +$26.4M +62,938 +261%
MJRIC
118
Mogy Joel R Investment Counsel
California
$36M +$2.69M +6,400 +8%
CS
119
Candriam SCA
Luxembourg
$34.5M +$22.5M +53,647 +188%
Canada Pension Plan Investment Board
120
Canada Pension Plan Investment Board
Ontario, Canada
$34.3M -$20.4M -48,536 -37%
LFRG
121
Lazard Frères Gestion
France
$34.1M +$13.5M +32,110 +65%
New York State Common Retirement Fund
122
New York State Common Retirement Fund
New York
$34M +$10.9M +25,902 +47%
State Board of Administration of Florida Retirement System
123
State Board of Administration of Florida Retirement System
Florida
$33.8M – – –
Schroder Investment Management Group
124
Schroder Investment Management Group
United Kingdom
$33.6M +$2.85M +6,798 +9%
Mitsubishi UFJ Trust & Banking
125
Mitsubishi UFJ Trust & Banking
Japan
$33.5M +$12.7M +30,264 +61%
3 4
5
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