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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
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 %
Commonwealth Equity Services
276
Commonwealth Equity Services
Massachusetts
$7.02M +$105K +251 +2%
Envestnet Portfolio Solutions
277
Envestnet Portfolio Solutions
Illinois
$6.99M -$787K -1,875 -10%
Skandinaviska Enskilda Banken (SEB)
278
Skandinaviska Enskilda Banken (SEB)
Sweden
$6.87M -$1.07M -2,556 -14%
FLPIM
279
F.L. Putnam Investment Management
Massachusetts
$6.82M -$151K -359 -2%
US Bancorp
280
US Bancorp
Minnesota
$6.8M -$181K -432 -3%
BCIM
281
British Columbia Investment Management
British Columbia, Canada
$6.58M -$42K -100 -0.6%
Mariner
282
Mariner
Kansas
$6.45M +$796K +1,895 +14%
DnB Asset Management
283
DnB Asset Management
Norway
$6.23M +$63.8K +152 +1%
BAM
284
Bell Asset Management
Australia
$6.18M +$1.48M +3,514 +31%
FCBT
285
First Citizens Bank & Trust
North Carolina
$6.1M +$175K +416 +3%
CCM
286
Carderock Capital Management
Maryland
$6.06M +$277K +660 +5%
GDP
287
Great Diamond Partners
Maine
$5.97M -$37K -88 -0.6%
HCG
288
Haven Capital Group
California
$5.94M +$183K +435 +3%
CCMINC
289
Cardinal Capital Management Inc (North Carolina)
North Carolina
$5.92M +$56.7K +135 +1%
SO
290
STRS Ohio
Ohio
$5.88M -$1.47M -3,500 -20%
II
291
Inspire Investing
Idaho
$5.7M +$1.46M +3,472 +34%
IGAM
292
iA Global Asset Management
Quebec, Canada
$5.69M -$88.6K -211 -2%
URS
293
Utah Retirement Systems
Utah
$5.64M – – –
VPIM
294
Vanguard Personalized Indexing Management
California
$5.6M +$1.02M +2,423 +22%
GIA
295
Gateway Investment Advisers
Ohio
$5.58M +$398K +947 +8%
WDA
296
Wendell David Associates
New Hampshire
$5.53M -$385K -917 -7%
EGM
297
Engineers Gate Manager
New York
$5.38M +$2.21M +5,251 +69%
MC
298
Middleton & Co
Massachusetts
$5.3M +$129K +307 +2%
IC
299
IEQ Capital
California
$5.26M +$2.05M +4,882 +64%
Janus Henderson Group
300
Janus Henderson Group
United Kingdom
$5.22M +$378K +908 +8%
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