Holocene Advisors’s Idexx Laboratories IDXX Stock Holding History

Holocene Advisors’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	$92.4M	Buy	175,568 +27,836	+19%	+$15.6M	0.21%	133
2026 Q1	$83M	Buy	147,732 +102,011	+223%	+$65.4M	0.2%	130
2025 Q4	$30.9M	Buy	+45,721	New	+$31.1M	0.07%	258
2025 Q1	–	Sell	-28,542	Closed	-$11.8M	–	810
2024 Q4	$11.8M	Buy	+28,542	New	+$12.5M	0.04%	284
2023 Q2	–	Sell	-6,665	Closed	-$3.33M	–	780
2023 Q1	$3.33M	Buy	+6,665	New	+$3.19M	0.02%	348
2019 Q3	–	Sell	-2,020	Closed	-$556K	–	777
2019 Q2	$556K	Sell	2,020 -7,382	-79%	-$1.82M	0.01%	440
2019 Q1	$2.1M	Buy	+9,402	New	+$1.94M	0.03%	156

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

Holocene Advisors's IDXX Position: Q2 2026 in Review

Holocene Advisors increased its Idexx Laboratories (IDXX) stake by 19% in Q2 2026, buying an estimated $15.6M and bringing the position to 175,568 shares worth $92.4M. The position accounts for 0.21% of the portfolio, ranked #133.

Holocene Advisors first reported a position in IDXX in Q1 2019 and has held it in 7 quarters since. 1,302 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

Holocene Advisors held 175,568 shares of Idexx Laboratories worth $92.4M as of Q2 2026.
Holocene Advisors bought 27,836 Idexx Laboratories shares in Q2 2026, an estimated $15.6M.
Idexx Laboratories made up 0.21% of Holocene Advisors's portfolio in Q2 2026, its #133 holding.
Holocene Advisors first reported a position in Idexx Laboratories in Q1 2019 and has held it in 7 quarters since.
1,302 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.