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Idexx Laboratories

1,384 hedge funds and large institutions have $51.8B invested in Idexx Laboratories in 2025 Q4 according to their latest regulatory filings, with 188 funds opening new positions, 483 increasing their positions, 482 reducing their positions, and 78 closing their positions.

New
Increased
Maintained
Reduced
Closed

141% more first-time investments, than exits

New positions opened: 188 | Existing positions closed: 78

18% more call options, than puts

Call options by funds: $116M | Put options by funds: $97.8M

12% more capital invested

Capital invested by funds: $46.1B → $51.8B (+$5.72B)

10.98% more ownership

Funds ownership: 90.24%101.23% (+11%)

6% more funds holding

Funds holding: 1,3011,384 (+83)

0% more repeat investments, than reductions

Existing positions increased: 483 | Existing positions reduced: 482

7% less funds holding in top 10

Funds holding in top 10: 2725 (-2)

Holders
1,384
Holders Change
+83
Holders Change %
+6.38%
% of All Funds
16.84%
Holding in Top 10
25
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-7.41%
% of All Funds
0.3%
New
188
Increased
483
Reduced
482
Closed
78
Calls
$116M
Puts
$97.8M
Net Calls
+$17.8M
Net Calls Change
-$13.1M
Name Holding Trade Value Shares
Change
Change in
Stake
BFS
101
Bradley Foster & Sargent
Connecticut
$70.8M -$283K -416 -0.4%
SIM
102
Seilern Investment Management
United Kingdom
$68.2M -$27.6M -40,486 -29%
AllianceBernstein
103
AllianceBernstein
Tennessee
$67.2M +$185K +271 +0.3%
Fiera Capital (Canada)
104
Fiera Capital (Canada)
Quebec, Canada
$66.1M -$22.3M -32,761 -25%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
105
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$66M -$19.4M -28,555 -23%
SIMG
106
Stephens Investment Management Group
Texas
$65.9M +$1.21M +1,781 +2%
BG
107
Bellevue Group
Switzerland
$64M +$12.2M +17,952 +23%
RMDI
108
R.M. Davis Inc
Maine
$63.2M -$1.43M -2,105 -2%
Royal London Asset Management
109
Royal London Asset Management
United Kingdom
$61M -$4.09K -6 -0%
Aberdeen Group
110
Aberdeen Group
United Kingdom
$60.9M -$872K -1,280 -1%
RP
111
Riverbridge Partners
Minnesota
$60.7M -$3.9M -5,734 -6%
BPCE
112
Bank Pictet & Cie (Europe)
Germany
$60.2M
MJRIC
113
Mogy Joel R Investment Counsel
California
$57.9M +$185K +272 +0.3%
CC
114
Chicago Capital
Illinois
$57.8M -$281K -412 -0.5%
Natixis Advisors
115
Natixis Advisors
Massachusetts
$51.9M +$20.8M +30,528 +66%
QCMNJ
116
Quantum Capital Management (New Jersey)
New Jersey
$51.7M -$939K -1,379 -2%
Assenagon Asset Management
117
Assenagon Asset Management
Luxembourg
$51.2M +$13.4M +19,741 +35%
State Board of Administration of Florida Retirement System
118
State Board of Administration of Florida Retirement System
Florida
$49.5M -$1.75M -2,577 -3%
Mitsubishi UFJ Trust & Banking
119
Mitsubishi UFJ Trust & Banking
Japan
$49M +$8.73M +12,815 +22%
Aviva
120
Aviva
United Kingdom
$48.5M +$2.3M +3,382 +5%
LCIP
121
Life Cycle Investment Partners
$47.9M +$48.2M +70,825 New
MIM
122
Manitou Investment Management
Ontario, Canada
$46.7M -$17.8M -26,085 -27%
VRS
123
Virginia Retirement Systems
Virginia
$45.4M -$6.62M -9,720 -13%
Canada Life
124
Canada Life
Manitoba, Canada
$45.3M -$7.06M -10,361 -13%
New York State Teachers Retirement System (NYSTRS)
125
New York State Teachers Retirement System (NYSTRS)
New York
$45M -$531K -780 -1%