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Middleton & Co’s Idexx Laboratories IDXX Stock Holding History

Middleton & Co’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 		$7.39M Buy
13,156
+21
+0.2% +$13.5K 0.84% 40
2025
Q4 		$8.89M Hold
13,135
– – 0.94% 37
2025
Q3 		$8.39M Sell
13,135
-172
-1% -$104K 0.91% 38
2025
Q2 		$7.14M Buy
13,307
+695
+6% +$332K 0.8% 41
2025
Q1 		$5.3M Buy
12,612
+307
+2% +$133K 0.62% 47
2024
Q4 		$5.09M Buy
12,305
+6,095
+98% +$2.67M 0.56% 46
2024
Q3 		$3.14M Buy
6,210
+5,285
+571% +$2.57M 0.35% 62
2024
Q2 		$451K Hold
925
– – 0.05% 116
2024
Q1 		$499K Hold
925
– – 0.06% 113
2023
Q4 		$513K Hold
925
– – 0.06% 104
2023
Q3 		$404K Hold
925
– – 0.06% 111
2023
Q2 		$465K Buy
925
+85
+10% +$40.7K 0.06% 107
2023
Q1 		$420K Sell
840
-25
-3% -$12K 0.06% 116
2022
Q4 		$353K Hold
865
– – 0.05% 127
2022
Q3 		$282K Hold
865
– – 0.04% 128
2022
Q2 		$303K Hold
865
– – 0.04% 133
2022
Q1 		$473K Buy
865
+110
+15% +$57.9K 0.05% 123
2021
Q4 		$497K Sell
755
-25
-3% -$15.7K 0.05% 123
2021
Q3 		$485K Hold
780
– – 0.05% 121
2021
Q2 		$493K Hold
780
– – 0.05% 115
2021
Q1 		$382K Hold
780
– – 0.04% 122
2020
Q4 		$390K Sell
780
-50
-6% -$22.4K 0.05% 119
2020
Q3 		$326K Hold
830
– – 0.04% 118
2020
Q2 		$274K Hold
830
– – 0.04% 132
2020
Q1 		$201K Hold
830
– – 0.04% 136
2019
Q4 		$217K Hold
830
– – 0.03% 134
2019
Q3 		$226K Hold
830
– – 0.03% 136
2019
Q2 		$229K Buy
+830
New +$205K 0.04% 134

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

Middleton & Co's IDXX Position: Q1 2026 in Review

Middleton & Co increased its Idexx Laboratories (IDXX) stake by 0.16% in Q1 2026, buying an estimated $13.5K and bringing the position to 13,156 shares worth $7.39M. The position accounts for 0.84% of the portfolio, ranked #40.

Middleton & Co first reported a position in IDXX in Q2 2019 and has held it in 28 quarters since. The position peaked at $8.89M in Q4 2025. 1,312 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • Middleton & Co held 13,156 shares of Idexx Laboratories worth $7.39M as of Q1 2026.
  • Middleton & Co bought 21 Idexx Laboratories shares in Q1 2026, an estimated $13.5K.
  • Idexx Laboratories made up 0.84% of Middleton & Co's portfolio in Q1 2026, its #40 holding.
  • Middleton & Co first reported a position in Idexx Laboratories in Q2 2019 and has held it in 28 quarters since.
  • Middleton & Co's Idexx Laboratories position peaked at $8.89M in Q4 2025.
  • 1,312 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Middleton & Co's 13F filing for Q1 2026, filed 8 May 2026.