Aigen Investment Management’s Idexx Laboratories IDXX Stock Holding History

Aigen Investment Management’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	-399	Closed	-$255K	–	783
2025 Q3	$255K	Buy	+399	New	+$242K	0.04%	587
2023 Q4	–	Sell	-3,811	Closed	-$1.67M	–	920
2023 Q3	$1.67M	Buy	+3,811	New	+$1.9M	0.31%	65
2021 Q4	–	Sell	-3,818	Closed	-$2.37M	–	1099
2021 Q3	$2.37M	Buy	+3,818	New	+$2.57M	0.46%	58
2021 Q2	–	Sell	-1,524	Closed	-$746K	–	592
2021 Q1	$746K	Buy	1,524 +413	+37%	+$207K	0.1%	222
2020 Q4	$555K	Sell	1,111 -5,552	-83%	-$2.48M	0.07%	356
2020 Q3	$2.62M	Buy	+6,663	New	+$2.46M	0.33%	72
2020 Q2	–	Sell	-2,502	Closed	-$606K	–	1031
2020 Q1	$606K	Sell	2,502 -6,239	-71%	-$1.63M	0.08%	368
2019 Q4	$2.28M	Buy	+8,741	New	+$2.3M	0.38%	52

Other funds holding IDXX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

State Street Boston, Massachusetts $3.38T AUM 44.17% 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

Fundsmith LLP London, United Kingdom $13.6B AUM 7.6% 1-Year Est. Return

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

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

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

William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return

Aigen Investment Management's IDXX Position: Q4 2025 in Review

Aigen Investment Management sold out of Idexx Laboratories (IDXX) in Q4 2025, closing a stake of 399 shares — an estimated $255K sold.

Aigen Investment Management first reported a position in IDXX in Q4 2019 and held it in 8 quarters. The position peaked at $2.62M in Q3 2020. 1,386 funds tracked by Wall St. Rank hold IDXX as of Q4 2025.

Aigen Investment Management reported no remaining Idexx Laboratories position as of Q4 2025 after selling out during the quarter.
Aigen Investment Management sold 399 Idexx Laboratories shares in Q4 2025, an estimated $255K.
Aigen Investment Management first reported a position in Idexx Laboratories in Q4 2019 and held it in 8 quarters.
Aigen Investment Management's Idexx Laboratories position peaked at $2.62M in Q3 2020.
1,386 funds tracked by Wall St. Rank held Idexx Laboratories as of Q4 2025.

Based on Aigen Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.