DIMENSIONAL FUND ADVISORS LP

Position in WAT — Waters Corp /De/

CIK 354204 AUSTIN, TX

Position in WAT

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$242,622,422

+$50,134,076 QoQ

Shares Held

814,716

+60.8% QoQ

Ownership

0.830%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 81.0306904491872.ToString("F0")% Shared 10.89201635907482.ToString("F0")% None 8.077293191737981.ToString("F0")%

Healthcare · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $4,738,083,100 across 33 Diagnostics & Research names. WAT ranks #9 (5.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	1,689,790	$830,582,476
2	DHR	Danaher Corp /De/	2,645,911	$501,664,724
3	DGX	Quest Diagnostics Inc	1,949,535	$382,069,866
4	LH	Labcorp Holdings Inc.	1,332,775	$355,597,695
5	IDXX	Idexx Laboratories Inc /De	573,332	$322,149,515
6	CRL	Charles River Laboratories International, Inc.	1,652,484	$285,053,489
7	IQV	Iqvia Holdings Inc.	1,657,696	$282,703,474
8	RVTY	Revvity, Inc.	2,917,953	$255,641,860

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$242,622,422	814,716	+60.8%	Shares	Sole	2026-05-07
2025-12-31	$192,488,346	506,775	-5.7%	Shares	Sole	2026-02-12
2025-09-30	$161,172,457	537,582	+3.0%	Shares	Sole	2025-11-12
2025-06-30	$182,136,050	521,820	+7.7%	Shares	Sole	2025-08-12
2025-03-31	$178,579,166	484,519	-0.9%	Shares	Sole	2025-05-13
2024-12-31	$181,457,815	489,131	-0.3%	Shares	Sole	2025-02-13
2024-09-30	$176,607,378	490,726	+9.5%	Shares	Sole	2024-11-07
2024-06-30	$130,061,954	448,304	+21.0%	Shares	Sole	2024-08-09
2024-03-31	$127,486,610	370,353	+6.8%	Shares	Sole	2024-05-10
2023-12-31	$114,180,913	346,812	+5.8%	Shares	Sole	2024-02-07
2023-09-30	$89,904,133	327,866	+3.2%	Shares	Sole	2023-11-09
2023-06-30	$84,661,630	317,632	+5.1%	Shares	Sole	2023-08-09
2023-03-31	$93,545,103	302,119	+0.9%	Shares	Sole	2023-05-12
2022-12-31	$102,564,681	299,389	+1.2%	Shares	Sole	2023-02-09
2022-09-30	$79,760,933	295,926	+1.2%	Shares	Sole	2022-11-10
2022-06-30	$96,823,894	292,537	-0.5%	Shares	Sole	2022-08-12
2022-03-31	$91,263,040	294,027	+1.6%	Shares	Defined	2022-05-13
2021-12-31	$107,819,634	289,371	+0.2%	Shares	Defined	2022-02-09
2021-09-30	$103,196,457	288,823	-0.4%	Shares	Defined	2021-11-12
2021-06-30	$100,213,075	289,960	+7.5%	Shares	Defined	2021-08-12
2021-03-31	$76,650,026	269,733	-0.2%	Shares	Defined	2021-05-14
2020-12-31	$66,889,502	270,348	+4.0%	Shares	Defined	2021-03-08
2020-09-30	$50,861,341	259,921	-6.0%	Shares	Defined	2020-11-12
2020-06-30	$49,886,372	276,532	-15.6%	Shares	Defined	2020-08-13
2020-03-31	$59,627,746	327,535	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.