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Douglass Winthrop Advisors’s Idexx Laboratories IDXX Stock Holding History

Douglass Winthrop Advisors’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
Q2 		$850K Sell
1,614
-42
-3% -$23.6K 0.01% 183
2026
Q1 		$930K Sell
1,656
-6
-0.4% -$3.85K 0.02% 161
2025
Q4 		$1.12M Buy
1,662
+43
+3% +$29.3K 0.02% 145
2025
Q3 		$1.03M Buy
1,619
+19
+1% +$11.5K 0.02% 151
2025
Q2 		$858K Hold
1,600
– – 0.02% 150
2025
Q1 		$672K Hold
1,600
– – 0.01% 165
2024
Q4 		$662K Hold
1,600
– – 0.01% 176
2024
Q3 		$808K Hold
1,600
– – 0.02% 163
2024
Q2 		$780K Hold
1,600
– – 0.02% 155
2024
Q1 		$864K Hold
1,600
– – 0.02% 146
2023
Q4 		$867K Hold
1,600
– – 0.02% 130
2023
Q3 		$700K Hold
1,600
– – 0.02% 137
2023
Q2 		$804K Hold
1,600
– – 0.02% 137
2023
Q1 		$800K Sell
1,600
-93
-5% -$44.5K 0.02% 132
2022
Q4 		$691K Hold
1,693
– – 0.02% 147
2022
Q3 		$552K Hold
1,693
– – 0.02% 156
2022
Q2 		$594K Sell
1,693
-1,507
-47% -$615K 0.02% 158
2022
Q1 		$1.75M Sell
3,200
-2,700
-46% -$1.42M 0.04% 109
2021
Q4 		$3.88M Hold
5,900
– – 0.09% 83
2021
Q3 		$3.67M Buy
5,900
+31
+0.5% +$20.8K 0.09% 81
2021
Q2 		$3.71M Buy
5,869
+62
+1% +$34.2K 0.09% 78
2021
Q1 		$2.84M Sell
5,807
-2,000
-26% -$1M 0.08% 89
2020
Q4 		$3.9M Hold
7,807
– – 0.11% 63
2020
Q3 		$3.07M Hold
7,807
– – 0.1% 67
2020
Q2 		$2.58M Hold
7,807
– – 0.1% 72
2020
Q1 		$1.89M Hold
7,807
– – 0.08% 80
2019
Q4 		$2.04M Hold
7,807
– – 0.07% 92
2019
Q3 		$2.12M Sell
7,807
-3,222
-29% -$897K 0.08% 87
2019
Q2 		$3.04M Buy
+11,029
New +$2.72M 0.12% 76

Other funds holding IDXX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Douglass Winthrop Advisors's IDXX Position: Q2 2026 in Review

Douglass Winthrop Advisors reduced its Idexx Laboratories (IDXX) stake by 2.5% in Q2 2026, selling an estimated $23.6K and leaving 1,614 shares worth $850K. The position accounts for 0.01% of the portfolio, ranked #183.

Douglass Winthrop Advisors first reported a position in IDXX in Q2 2019 and has held it in 29 quarters since. The position peaked at $3.9M in Q4 2020. 1,295 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Douglass Winthrop Advisors held 1,614 shares of Idexx Laboratories worth $850K as of Q2 2026.
  • Douglass Winthrop Advisors sold 42 Idexx Laboratories shares in Q2 2026, an estimated $23.6K.
  • Idexx Laboratories made up 0.01% of Douglass Winthrop Advisors's portfolio in Q2 2026, its #183 holding.
  • Douglass Winthrop Advisors first reported a position in Idexx Laboratories in Q2 2019 and has held it in 29 quarters since.
  • Douglass Winthrop Advisors's Idexx Laboratories position peaked at $3.9M in Q4 2020.
  • 1,295 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Douglass Winthrop Advisors's 13F filing for Q2 2026, filed 13 Aug 2026.