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David Shaw’s Idexx Laboratories IDXX Stock Holding History

David Shaw’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
2025
Q4 		– Sell
-1,600
Closed -$1.02M – 4777
2025
Q3 		$1.02M Buy
+1,600
New +$971K ﹤0.01% 3437
2025
Q2 		– Sell
-5,100
Closed -$2.14M – 4501
2025
Q1 		$2.14M Sell
5,100
-3,900
-43% -$1.69M ﹤0.01% 2556
2024
Q4 		$3.72M Buy
9,000
+4,900
+120% +$2.15M ﹤0.01% 2226
2024
Q3 		$2.07M Buy
4,100
+3,000
+273% +$1.46M ﹤0.01% 2690
2024
Q2 		$536K Buy
+1,100
New +$552K ﹤0.01% 3583
2022
Q4 		– Sell
-14,000
Closed -$4.56M – 4968
2022
Q3 		$4.56M Buy
14,000
+4,000
+40% +$1.47M 0.01% 2202
2022
Q2 		$3.51M Sell
10,000
-10,900
-52% -$4.44M ﹤0.01% 2559
2022
Q1 		$11.4M Buy
+20,900
New +$11M 0.01% 1484
2021
Q4 		– Sell
-10,000
Closed -$6.22M – 5533
2021
Q3 		$6.22M Buy
+10,000
New +$6.72M 0.01% 1901
2018
Q4 		– Sell
-5,000
Closed -$1.25M – 3863
2018
Q3 		$1.25M Buy
+5,000
New +$1.21M ﹤0.01% 2537
2014
Q1 		– Sell
-20,000
Closed -$1.06M – 4434
2013
Q4 		$1.06M Hold
20,000
– – ﹤0.01% 3118
2013
Q3 		$997K Hold
20,000
– – ﹤0.01% 3042
2013
Q2 		$898K Buy
+20,000
New +$874K ﹤0.01% 2806

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

David Shaw's IDXX Position: Q2 2026 in Review

David Shaw sold out of Idexx Laboratories (IDXX) in Q2 2026, closing a stake of 1,074 shares — an estimated $603K sold.

David Shaw first reported a position in IDXX in Q2 2013 and held it in 41 quarters. The position peaked at $100M in Q1 2025. 1,293 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • David Shaw reported no remaining Idexx Laboratories position as of Q2 2026 after selling out during the quarter.
  • David Shaw sold 1,074 Idexx Laboratories shares in Q2 2026, an estimated $603K.
  • David Shaw first reported a position in Idexx Laboratories in Q2 2013 and held it in 41 quarters.
  • David Shaw's Idexx Laboratories position peaked at $100M in Q1 2025.
  • 1,293 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.