Durable Capital Partners’s Idexx Laboratories IDXX Stock Holding History

Durable Capital Partners’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 Q2	–	Sell	-364,757	Closed	-$153M	–	50
2025 Q1	$153M	Buy	+364,757	New	+$158M	1.37%	28
2023 Q1	–	Sell	-208,030	Closed	-$84.9M	–	52
2022 Q4	$84.9M	Buy	208,030 +316	+0.2%	+$123K	0.88%	34
2022 Q3	$67.7M	Buy	207,714 +94,548	+84%	+$34.7M	0.74%	34
2022 Q2	$39.7M	Buy	+113,166	New	+$46.1M	0.46%	44
2021 Q4	–	Sell	-25,402	Closed	-$15.8M	–	64
2021 Q3	$15.8M	Sell	25,402 -93,859	-79%	-$63.1M	0.12%	59
2021 Q2	$75.3M	Sell	119,261 -3,689	-3%	-$2.04M	0.56%	46
2021 Q1	$60.2M	Sell	122,950 -76,996	-39%	-$38.6M	0.51%	42
2020 Q4	$99.9M	Sell	199,946 -183,112	-48%	-$81.9M	0.89%	37
2020 Q3	$151M	Sell	383,058 -72,776	-16%	-$26.9M	1.66%	24
2020 Q2	$150M	Buy	455,834 +228,294	+100%	+$66.1M	1.87%	25
2020 Q1	$55.1M	Buy	+227,540	New	+$59.4M	1.12%	18

Other funds holding IDXX

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Durable Capital Partners's IDXX Position: Q2 2025 in Review

Durable Capital Partners sold out of Idexx Laboratories (IDXX) in Q2 2025, closing a stake of 364,757 shares — an estimated $153M sold.

Durable Capital Partners first reported a position in IDXX in Q1 2020 and held it in 11 quarters. The position peaked at $153M in Q1 2025. 1,234 funds tracked by Wall St. Rank hold IDXX as of Q2 2025.

Durable Capital Partners reported no remaining Idexx Laboratories position as of Q2 2025 after selling out during the quarter.
Durable Capital Partners sold 364,757 Idexx Laboratories shares in Q2 2025, an estimated $153M.
Durable Capital Partners first reported a position in Idexx Laboratories in Q1 2020 and held it in 11 quarters.
Durable Capital Partners's Idexx Laboratories position peaked at $153M in Q1 2025.
1,234 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2025.

Based on Durable Capital Partners's 13F filing for Q2 2025, filed 14 Aug 2025.