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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
15.29%
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
T. Rowe Price Associates
Maryland
+$347M
2
Select Equity Group
Select Equity Group
New York
+$195M
3
Principal Financial Group
Principal Financial Group
Iowa
+$174M
4
DCP
Durable Capital Partners
Maryland
+$153M
5
UBS AM
UBS AM
Illinois
+$122M

Top Sellers

1
AllianceBernstein
AllianceBernstein
Tennessee
-$444M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$156M
3
Franklin Resources
Franklin Resources
California
-$131M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$96M
5
Millennium Management
Millennium Management
New York
-$91M
Name Holding Trade Value Shares
Change 		Shares
Change %
GIP
251
Granite Investment Partners
California
$8.38M -$315K -751 -4%
JFG
252
Jefferies Financial Group
New York
$8.21M -$2.97M -7,067 -27%
MOACM
253
Mutual of America Capital Management
New York
$8.16M +$3.62M +8,609 +80%
Cetera Investment Advisers
254
Cetera Investment Advisers
Illinois
$8.16M +$599K +1,426 +8%
Daiwa Securities Group
255
Daiwa Securities Group
Japan
$8.05M +$600K +1,430 +8%
QCM
256
Quantinno Capital Management
New York
$8.01M +$3.22M +7,657 +67%
NAMM
257
NorthStar Asset Management (Massachusetts)
Massachusetts
$7.96M +$51.2K +122 +0.6%
SBH
258
Segall Bryant & Hamill
Illinois
$7.96M -$779K -1,856 -9%
CIC
259
Chilton Investment Company
Connecticut
$7.91M -$2.04M -4,847 -20%
CNB
260
Czech National Bank
Czech Republic
$7.9M +$442K +1,052 +6%
FAM
261
Fred Alger Management
New York
$7.87M +$2.16M +5,137 +38%
COPPSERS
262
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$7.86M +$552K +1,315 +8%
Cerity Partners
263
Cerity Partners
New York
$7.82M +$3.04M +7,235 +63%
TMAM
264
Tokio Marine Asset Management
Japan
$7.75M +$1.61M +3,829 +26%
BST
265
Bath Savings Trust
Maine
$7.59M -$177K -422 -2%
GFM
266
GF Fund Management
China
$7.51M +$110K +261 +1%
AAF
267
Andra AP-fonden
Sweden
$7.48M -$6.68M -15,900 -47%
Kovitz Investment Group Partners
268
Kovitz Investment Group Partners
Illinois
$7.46M +$2.34M +5,570 +46%
Retirement Systems of Alabama
269
Retirement Systems of Alabama
Alabama
$7.39M -$55.4K -132 -0.7%
GC
270
Guggenheim Capital
Illinois
$7.39M -$2.14M -5,091 -22%
II
271
IFM Investors
Australia
$7.33M – – –
State of Tennessee, Department of Treasury
272
State of Tennessee, Department of Treasury
Tennessee
$7.29M +$2.86M +6,820 +65%
AB
273
Amalgamated Bank
New York
$7.27M +$176K +419 +2%
UIM
274
USS Investment Management
United Kingdom
$7.09M +$286K +682 +4%
Comerica Bank
275
Comerica Bank
Texas
$7.03M +$116K +276 +2%
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