VIKING GLOBAL INVESTORS LP

Position in WAT — Waters Corp /De/

CIK 1103804 STAMFORD, CT

Position in WAT

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$623,368,985

+$249,194,602 QoQ

Shares Held

1,662,140

+32.3% QoQ

Ownership

1.69%

of shares outstanding

% of Portfolio

1.81%

of 13F equity value

Holder Rank

#14

of 1,173 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

VIKING GLOBAL INVESTORS LP holds $1,700,765,255 across 4 Diagnostics & Research names. WAT ranks #2 (36.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	1,937,415	$971,342,384
2	WAT	Waters Corp /De/ This page	1,662,140	$623,368,985
3	NTRA	Natera, Inc.	390,694	$106,053,886
4	ADPT	Adaptive Biotechnologies Corp	7,498,427	$0

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$623,368,985	1,662,140	+32.3%	Shares	Sole	2026-08-14
2026-03-31	$374,174,383	1,256,462	—	Shares	Sole	2026-05-15
No filing history on record for this holder in this stock.