Which superinvestors hold Waters Corp (WAT)?

Per the latest SEC 13F filings, 2 superinvestors hold Waters Corp (WAT): Terry Smith, Bill Nygren. Combined value held is about $1.04B, with Terry Smith the largest holder.

Waters Corp

Held by 2 superinvestors (WAT). Valuation data coming soon.

Educational data only — not investment advice. 13F positions are self-reported and can lag up to 45 days.

TickerWAT

Holder count2

Total value held$1.04B

Largest holderTerry Smith

External

Ownership overview

Waters Corp (WAT) is held by 2 of the superinvestors tracked on Compounder, with a combined $1.04B in reported 13F value. The largest position belongs to Terry Smith, where it makes up 7.5% of the portfolio.

Other notable holders by value include Bill Nygren (0.1% of its book).

Over the latest quarter, 1 of the tracked filers opened a new position in WAT, 0 added to existing ones, 1 trimmed, and 0 sold out entirely.

Holder counts and values reflect the most recent SEC Form 13F filings, through the quarter ended 2026-03-31. Source: SEC EDGAR. A 13F shows only long US-listed positions and can lag the real portfolio by up to 45 days, so this is disclosed long ownership, not a complete picture.

Superinvestors Holding This Security

Investor	Value	Shares	Weight
Terry Smith	$956.6M	3,212,075	7.46%
Bill Nygren	$86.0M	288,712	0.11%

Terry Smith
Value$956.6MShares3,212,075Weight7.46%
Bill Nygren
Value$86.0MShares288,712Weight0.11%

Stock valuation (intrinsic value / DCF) coming soon.

Sources· SEC EDGAR 13F as of 2026-05-15

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