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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 %
AssetMark Inc
151
AssetMark Inc
California
$22.2M +$8.04M +19,151 +57%
HIC
152
Harvey Investment Company
Kentucky
$22M – – –
Rockefeller Capital Management
153
Rockefeller Capital Management
New York
$21.6M -$650K -1,547 -3%
DekaBank Deutsche Girozentrale
154
DekaBank Deutsche Girozentrale
Germany
$21.6M -$1.05M -2,535 -5%
Credit Agricole
155
Credit Agricole
France
$21.5M -$11.5M -27,279 -35%
Voloridge Investment Management
156
Voloridge Investment Management
Florida
$21M -$45.6M -108,479 -68%
SBWIC
157
Schaper Benz & Wise Investment Counsel
Wisconsin
$20.9M +$2.24M +5,332 +12%
Baird Financial Group
158
Baird Financial Group
Wisconsin
$20.7M -$47.9M -114,022 -70%
HCM
159
Howland Capital Management
Massachusetts
$20.1M -$875K -2,083 -4%
Natixis Advisors
160
Natixis Advisors
Massachusetts
$20.1M +$1.09M +2,590 +6%
FMI
161
Factory Mutual Insurance
Massachusetts
$20M +$5.96M +14,200 +43%
Focus Partners Wealth
162
Focus Partners Wealth
Massachusetts
$19.7M +$1.79M +4,255 +10%
WC
163
Westwind Capital
New Mexico
$19.2M +$493K +1,174 +3%
Man Group
164
Man Group
United Kingdom
$18.9M +$1.81M +4,315 +11%
VRS
165
Virginia Retirement Systems
Virginia
$18.9M +$18.9M +45,108 New
AS
166
Aware Super
Australia
$18.4M +$5.91M +14,068 +47%
Janney Montgomery Scott
167
Janney Montgomery Scott
Pennsylvania
$18.4M +$1.57M +3,728 +9%
Ensign Peak Advisors
168
Ensign Peak Advisors
Utah
$18.1M +$6.78M +16,133 +60%
Chevy Chase Trust
169
Chevy Chase Trust
Maryland
$18M -$17.6K -42 -0.1%
GCM
170
Geneva Capital Management
Wisconsin
$17.9M -$309K -736 -2%
Prudential Financial
171
Prudential Financial
New Jersey
$17.8M +$94.5K +225 +0.5%
PNC Financial Services Group
172
PNC Financial Services Group
Pennsylvania
$17.8M +$156K +372 +0.9%
Squarepoint
173
Squarepoint
New York
$17.5M -$51.2M -121,910 -75%
SOMRS
174
State of Michigan Retirement System
Michigan
$17.2M – – –
WP
175
Waycross Partners
Kentucky
$17.2M +$3.58M +8,515 +26%
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