Ken Fisher
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Ken Fisher’s Idexx Laboratories IDXX Stock Holding History

Ken Fisher’s Portfolio IDXX Stock Details IDXX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$337K Buy
599
+295
+97% +$189K ﹤0.01% 884
2025
Q4 		$206K Buy
+304
New +$207K ﹤0.01% 989
2025
Q2 		– Sell
-643
Closed -$270K – 1030
2025
Q1 		$270K Sell
643
-54
-8% -$23.4K ﹤0.01% 917
2024
Q4 		$289K Buy
697
+19
+3% +$8.33K ﹤0.01% 878
2024
Q3 		$343K Sell
678
-153
-18% -$74.3K ﹤0.01% 814
2024
Q2 		$405K Buy
+831
New +$417K ﹤0.01% 830
2024
Q1 		– Sell
-395
Closed -$219K – 1000
2023
Q4 		$219K Sell
395
-260
-40% -$122K ﹤0.01% 937
2023
Q3 		$287K Sell
655
-40,677
-98% -$20.3M ﹤0.01% 944
2023
Q2 		$20.8M Sell
41,332
-772
-2% -$370K 0.01% 364
2023
Q1 		$21.1M Sell
42,104
-742
-2% -$355K 0.01% 360
2022
Q4 		$17.5M Sell
42,846
-906
-2% -$352K 0.01% 370
2022
Q3 		$14.3M Buy
43,752
+13,602
+45% +$5M 0.01% 364
2022
Q2 		$10.6M Buy
30,150
+493
+2% +$201K 0.01% 356
2022
Q1 		$16.2M Buy
29,657
+7,783
+36% +$4.09M 0.01% 334
2021
Q4 		$14.4M Buy
21,874
+1,381
+7% +$867K 0.01% 352
2021
Q3 		$12.7M Buy
20,493
+829
+4% +$557K 0.01% 354
2021
Q2 		$12.4M Buy
19,664
+2,243
+13% +$1.24M 0.01% 353
2021
Q1 		$8.52M Sell
17,421
-1,764
-9% -$884K 0.01% 378
2020
Q4 		$9.59M Buy
19,185
+987
+5% +$442K 0.01% 362
2020
Q3 		$7.15M Buy
18,198
+277
+2% +$102K 0.01% 364
2020
Q2 		$5.92M Buy
+17,921
New +$5.19M 0.01% 378

Other funds holding IDXX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Ken Fisher's IDXX Position: Q1 2026 in Review

Ken Fisher increased its Idexx Laboratories (IDXX) stake by 97% in Q1 2026, buying an estimated $189K and bringing the position to 599 shares worth $337K. The position accounts for ﹤0.01% of the portfolio, ranked #884.

Ken Fisher first reported a position in IDXX in Q2 2020 and has held it in 21 quarters since. The position peaked at $21.1M in Q1 2023. 1,312 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • Ken Fisher held 599 shares of Idexx Laboratories worth $337K as of Q1 2026.
  • Ken Fisher bought 295 Idexx Laboratories shares in Q1 2026, an estimated $189K.
  • Idexx Laboratories made up ﹤0.01% of Ken Fisher's portfolio in Q1 2026, its #884 holding.
  • Ken Fisher first reported a position in Idexx Laboratories in Q2 2020 and has held it in 21 quarters since.
  • Ken Fisher's Idexx Laboratories position peaked at $21.1M in Q1 2023.
  • 1,312 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Fisher Asset Management's 13F filing for Q1 2026, filed 5 May 2026.