John Overdeck’s Idexx Laboratories IDXX Stock Holding History

John Overdeck’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
2022 Q1	–	Sell	-6,600	Closed	-$4.35M	–	3422
2021 Q4	$4.35M	Buy	6,600 +3,000	+83%	+$1.88M	0.01%	1276
2021 Q3	$2.24M	Buy	+3,600	New	+$2.42M	0.01%	1883
2021 Q2	–	Sell	-1,700	Closed	-$832K	–	4284
2021 Q1	$832K	Sell	1,700 -900	-35%	-$451K	﹤0.01%	2484
2020 Q4	$1.3M	Sell	2,600 -1,400	-35%	-$626K	﹤0.01%	1795
2020 Q3	$1.57M	Buy	+4,000	New	+$1.48M	0.01%	1450
2020 Q2	–	Sell	-5,100	Closed	-$1.24M	–	3203
2020 Q1	$1.24M	Sell	5,100 -4,900	-49%	-$1.28M	0.01%	1266
2019 Q4	$2.61M	Buy	10,000 +2,600	+35%	+$685K	0.01%	1380
2019 Q3	$2.01M	Buy	7,400 +5,400	+270%	+$1.5M	0.01%	1435
2019 Q2	$551K	Hold	2,000	–	–	﹤0.01%	2423
2019 Q1	$447K	Sell	2,000 -2,000	-50%	-$413K	﹤0.01%	2337
2018 Q4	$744K	Buy	+4,000	New	+$820K	﹤0.01%	1840

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

John Overdeck's IDXX Position: Q2 2026 in Review

John Overdeck increased its Idexx Laboratories (IDXX) stake by 8.4% in Q2 2026, buying an estimated $44.3K and bringing the position to 1,020 shares worth $537K. The position accounts for ﹤0.01% of the portfolio, ranked #4107.

John Overdeck first reported a position in IDXX in Q2 2013 and has held it in 38 quarters since. The position peaked at $103M in Q1 2017. 1,293 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

John Overdeck held 1,020 shares of Idexx Laboratories worth $537K as of Q2 2026.
John Overdeck bought 79 Idexx Laboratories shares in Q2 2026, an estimated $44.3K.
Idexx Laboratories made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4107 holding.
John Overdeck first reported a position in Idexx Laboratories in Q2 2013 and has held it in 38 quarters since.
John Overdeck's Idexx Laboratories position peaked at $103M in Q1 2017.
1,293 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.