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Citadel Investment Advisory’s Idexx Laboratories IDXX Stock Holding History

Citadel Investment Advisory’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 		$1.83M Sell
3,486
-5
-0.1% -$2.8K 0.83% 26
2026
Q1 		$1.96M Sell
3,491
-191
-5% -$122K 0.94% 23
2025
Q4 		$2.35M Hold
3,682
– – 1.01% 22
2025
Q3 		$2.35M Hold
3,682
– – 1.08% 21
2025
Q2 		$1.98M Buy
3,682
+47
+1% +$22.5K 0.96% 23
2025
Q1 		$1.53M Sell
3,635
-25
-0.7% -$10.9K 0.75% 27
2024
Q4 		$1.51M Sell
3,660
-25
-0.7% -$11K 0.78% 27
2024
Q3 		$1.86M Sell
3,685
-10
-0.3% -$4.86K 0.98% 26
2024
Q2 		$1.8M Hold
3,695
– – 1.02% 24
2024
Q1 		$2M Sell
3,695
-10
-0.3% -$5.46K 1.12% 22
2023
Q4 		$2.06M Hold
3,705
– – 1.26% 21
2023
Q3 		$1.62M Hold
3,705
– – 1.06% 22
2023
Q2 		$1.86M Hold
3,705
– – 1.2% 20
2023
Q1 		$1.85M Sell
3,705
-110
-3% -$52.6K 1.26% 21
2022
Q4 		$1.56M Sell
3,815
-140
-4% -$54.3K 1.06% 22
2022
Q3 		$1.29M Hold
3,955
– – 0.98% 22
2022
Q2 		$1.39M Hold
3,955
– – 0.94% 25
2022
Q1 		$2.16M Hold
3,955
– – 1.26% 19
2021
Q4 		$2.6M Sell
3,955
-120
-3% -$75.3K 1.52% 18
2021
Q3 		$2.53M Hold
4,075
– – 1.57% 16
2021
Q2 		$2.57M Sell
4,075
-50
-1% -$27.6K 1.59% 17
2021
Q1 		$2.02M Hold
4,125
– – 1.32% 18
2020
Q4 		$2.06M Buy
+4,125
New +$1.85M 1.47% 17

Other funds holding IDXX

MBI
Montrusco Bolton Investments Montreal, Quebec, Canada $6.46B AUM 26.7% 1-Year Est. Return
CGI
Comgest Global Investors Paris, France $4.55B AUM 11.62% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
CAM
Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
WF
Welch & Forbes Boston, Massachusetts $8.23B AUM 17.62% 1-Year Est. Return
RG
Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 1-Year Est. Return
LWCFA
Loring Wolcott & Coolidge Fiduciary Advisors Boston, Massachusetts $10.3B AUM 3.26% 1-Year Est. Return

Citadel Investment Advisory's IDXX Position: Q2 2026 in Review

Citadel Investment Advisory reduced its Idexx Laboratories (IDXX) stake by 0.14% in Q2 2026, selling an estimated $2.8K and leaving 3,486 shares worth $1.83M. The position accounts for 0.83% of the portfolio, ranked #26.

Citadel Investment Advisory first reported a position in IDXX in Q4 2020 and has held it in 23 quarters since. The position peaked at $2.6M in Q4 2021. 509 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Citadel Investment Advisory held 3,486 shares of Idexx Laboratories worth $1.83M as of Q2 2026.
  • Citadel Investment Advisory sold 5 Idexx Laboratories shares in Q2 2026, an estimated $2.8K.
  • Idexx Laboratories made up 0.83% of Citadel Investment Advisory's portfolio in Q2 2026, its #26 holding.
  • Citadel Investment Advisory first reported a position in Idexx Laboratories in Q4 2020 and has held it in 23 quarters since.
  • Citadel Investment Advisory's Idexx Laboratories position peaked at $2.6M in Q4 2021.
  • 509 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Citadel Investment Advisory's 13F filing for Q2 2026, filed 23 Jul 2026.