Parnassus Investments
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Parnassus Investments’s Idexx Laboratories IDXX Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$17.8M Sell
33,237
-3,416
-9% -$1.83M 0.04% 112
2025
Q1
$15.4M Sell
36,653
-11,694
-24% -$4.91M 0.04% 115
2024
Q4
$20M Sell
48,347
-636
-1% -$263K 0.04% 107
2024
Q3
$24.7M Hold
48,983
0.05% 102
2024
Q2
$23.9M Hold
48,983
0.05% 103
2024
Q1
$26.4M Hold
48,983
0.06% 107
2023
Q4
$27.2M Hold
48,983
0.06% 99
2023
Q3
$21.4M Hold
48,983
0.05% 104
2023
Q2
$24.6M Hold
48,983
0.06% 101
2023
Q1
$24.5M Sell
48,983
-13,412
-21% -$6.71M 0.06% 101
2022
Q4
$25.5M Hold
62,395
0.06% 104
2022
Q3
$20.3M Hold
62,395
0.05% 107
2022
Q2
$21.9M Hold
62,395
0.05% 109
2022
Q1
$34.1M Hold
62,395
0.07% 108
2021
Q4
$41.1M Hold
62,395
0.08% 104
2021
Q3
$38.8M Sell
62,395
-8,873
-12% -$5.52M 0.08% 104
2021
Q2
$45M Hold
71,268
0.1% 100
2021
Q1
$34.9M Hold
71,268
0.08% 101
2020
Q4
$35.6M Hold
71,268
0.1% 88
2020
Q3
$28M Sell
71,268
-1,633
-2% -$642K 0.09% 87
2020
Q2
$24.1M Hold
72,901
0.08% 91
2020
Q1
$17.7M Buy
+72,901
New +$17.7M 0.07% 93