GC
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Gilbert & Cook’s Idexx Laboratories IDXX Stock Holding History

Gilbert & Cook’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 		$351K Sell
625
-85
-12% -$54.5K 0.05% 174
2025
Q4 		$480K Sell
710
-70
-9% -$47.7K 0.06% 162
2025
Q3 		$498K Buy
780
+77
+11% +$46.7K 0.06% 146
2025
Q2 		$377K Hold
703
– – 0.05% 164
2025
Q1 		$295K Buy
+703
New +$305K 0.04% 176
2024
Q4 		– Sell
-468
Closed -$236K – 207
2024
Q3 		$236K Hold
468
– – 0.03% 202
2024
Q2 		$228K Sell
468
-59
-11% -$29.6K 0.03% 198
2024
Q1 		$285K Sell
527
-7
-1% -$3.83K 0.04% 190
2023
Q4 		$296K Buy
534
+30
+6% +$14.1K 0.04% 187
2023
Q3 		$220K Buy
504
+46
+10% +$22.9K 0.03% 205
2023
Q2 		$230K Buy
458
+16
+4% +$7.67K 0.04% 202
2023
Q1 		$221K Sell
442
-134
-23% -$64.1K 0.04% 202
2022
Q4 		$235K Buy
576
+17
+3% +$6.6K 0.04% 192
2022
Q3 		$208K Buy
+559
New +$205K 0.05% 199
2022
Q1 		– Sell
-387
Closed -$255K – 208
2021
Q4 		$255K Sell
387
-8
-2% -$5.02K 0.04% 194
2021
Q3 		$246K Sell
395
-35
-8% -$23.5K 0.04% 189
2021
Q2 		$272K Buy
430
+1
+0.2% +$552 0.05% 178
2021
Q1 		$210K Buy
429
+20
+5% +$10K 0.04% 192
2020
Q4 		$203K Buy
+409
New +$183K 0.04% 183

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

Gilbert & Cook's IDXX Position: Q1 2026 in Review

Gilbert & Cook reduced its Idexx Laboratories (IDXX) stake by 12% in Q1 2026, selling an estimated $54.5K and leaving 625 shares worth $351K. The position accounts for 0.05% of the portfolio, ranked #174.

Gilbert & Cook first reported a position in IDXX in Q4 2020 and has held it in 19 quarters since. The position peaked at $498K in Q3 2025. 1,311 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • Gilbert & Cook held 625 shares of Idexx Laboratories worth $351K as of Q1 2026.
  • Gilbert & Cook sold 85 Idexx Laboratories shares in Q1 2026, an estimated $54.5K.
  • Idexx Laboratories made up 0.05% of Gilbert & Cook's portfolio in Q1 2026, its #174 holding.
  • Gilbert & Cook first reported a position in Idexx Laboratories in Q4 2020 and has held it in 19 quarters since.
  • Gilbert & Cook's Idexx Laboratories position peaked at $498K in Q3 2025.
  • 1,311 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Gilbert & Cook's 13F filing for Q1 2026, filed 5 May 2026.