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 Q1	–	Sell	-18,200	Closed	-$7.52M	–	4464
2024 Q4	$7.52M	Buy	+18,200	New	+$7.98M	0.01%	1680
2023 Q4	–	Sell	-10,000	Closed	-$4.37M	–	4436
2023 Q3	$4.37M	Hold	10,000	–	–	﹤0.01%	1923
2023 Q2	$5.02M	Hold	10,000	–	–	0.01%	1850
2023 Q1	$5M	Buy	+10,000	New	+$4.79M	0.01%	1936
2022 Q2	–	Sell	-29,000	Closed	-$15.9M	–	5521
2022 Q1	$15.9M	Sell	29,000 -21,200	-42%	-$11.2M	0.01%	1199
2021 Q4	$33.1M	Buy	50,200 +21,300	+74%	+$13.4M	0.03%	764
2021 Q3	$18M	Buy	28,900 +17,700	+158%	+$11.9M	0.02%	1091
2021 Q2	$7.07M	Buy	+11,200	New	+$6.18M	0.01%	1767
2019 Q1	–	Sell	-13,900	Closed	-$2.59M	–	3734
2018 Q4	$2.59M	Hold	13,900	–	–	﹤0.01%	1941
2018 Q3	$3.47M	Hold	13,900	–	–	﹤0.01%	1813
2018 Q2	$3.03M	Buy	+13,900	New	+$2.86M	﹤0.01%	1915
2015 Q2	–	Sell	-20,000	Closed	-$1.54M	–	3796
2015 Q1	$1.54M	Hold	20,000	–	–	﹤0.01%	2211
2014 Q4	$1.48M	Buy	+20,000	New	+$1.4M	﹤0.01%	2517

Other funds holding IDXX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

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.