Fundsmith LLP

Position in IDXX — Idexx Laboratories Inc /De

CIK 1569205 LONDON, X0

Back to IDXX Full portfolio

Position in IDXX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$823,610,495

-$445,583,463 QoQ

Shares Held

1,465,786

-21.9% QoQ

Ownership

1.86%

of shares outstanding

% of Portfolio

6.42%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in IDXX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

Fundsmith LLP holds $2,527,271,355 across 4 Diagnostics & Research names. IDXX ranks #2 (32.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WAT	Waters Corp /De/	3,212,075	$956,555,935
2	IDXX	Idexx Laboratories Inc /De This page	1,465,786	$823,610,495
3	MTD	Mettler Toledo International Inc/	568,516	$717,012,379
4	MEDP	Medpace Holdings, Inc.	62,668	$30,092,546

All Filings in IDXX

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$823,610,495	1,465,786	-21.9%	Shares	Sole	2026-05-15
2025-12-31	$1,269,193,958	1,876,035	-28.1%	Shares	Sole	2026-02-17
2025-09-30	$1,667,794,872	2,610,457	-1.1%	Shares	Sole	2025-11-14
2025-06-30	$1,415,556,262	2,639,289	-0.3%	Shares	Sole	2025-08-14
2025-03-31	$1,112,166,603	2,648,331	-0.5%	Shares	Sole	2025-05-15
2024-12-31	$1,100,930,771	2,662,855	-0.0%	Shares	Sole	2025-02-14
2024-09-30	$1,345,987,925	2,664,162	+0.0%	Shares	Sole	2024-11-14
2024-06-30	$1,297,507,142	2,663,192	-1.9%	Shares	Sole	2024-08-14
2024-03-31	$1,465,781,446	2,714,762	-0.5%	Shares	Sole	2024-05-15
2023-12-31	$1,514,685,380	2,728,917	-7.9%	Shares	Sole	2024-02-14
2023-09-30	$1,296,310,527	2,964,554	+0.1%	Shares	Sole	2023-11-14
2023-06-30	$1,487,379,758	2,961,551	+0.2%	Shares	Sole	2023-08-14
2023-03-31	$1,477,334,335	2,954,196	-14.2%	Shares	Sole	2023-05-15
2022-12-31	$1,404,904,906	3,443,732	-4.9%	Shares	Sole	2023-02-14
2022-09-30	$1,179,649,146	3,620,777	+0.1%	Shares	Sole	2022-11-14
2022-06-30	$1,269,248,028	3,618,875	+0.0%	Shares	Sole	2022-08-15
2022-03-31	$1,979,296,997	3,618,062	-14.7%	Shares	Sole	2022-05-16
2021-12-31	$2,793,373,664	4,242,283	+0.0%	Shares	Sole	2022-02-14
2021-09-30	$2,638,225,423	4,242,202	-0.0%	Shares	Sole	2021-11-12
2021-06-30	$2,679,326,876	4,242,462	+0.5%	Shares	Sole	2021-08-13
2021-03-31	$2,065,187,657	4,220,612	-0.1%	Shares	Sole	2021-05-14
2020-12-31	$2,112,664,564	4,226,428	-0.2%	Shares	Sole	2021-02-12
2020-09-30	$1,663,961,904	4,232,815	-0.2%	Shares	Sole	2020-11-12
2020-06-30	$1,400,113,143	4,240,711	-0.1%	Shares	Sole	2020-08-12
2020-03-31	$1,028,363,788	4,245,227	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.