Waters Corp

WAT · US

Held by 5 big investorsLargest: Fundsmith

Waters Corp is held by 5 of the 24 tracked investors in their latest 13F filings. The largest position is Fundsmith's at $853M, 6.25% of that portfolio. Versus the prior quarter, 1 added, 3 trimmed and 0 bought new.

Big investors holding this stock

Latest 13F of the 24 tracked investors. Common shares only.

InvestorValue ($)WeightRank in portfoliovs prior quarter
Fundsmith
Terry Smith's firm · Q2 2026weight 6.25% · Q2 2026
853M6.25%#3▼ 29%
Viking Global Investors
Andreas Halvorsen's hedge fund · Q2 2026weight 1.78% · Q2 2026
623M1.78%#22▲ 32%
Norges Bank
Norway's sovereign wealth fund · Q2 2026weight 0.01% · Q2 2026
70.6M0.01%#903▼ 73%
National Pension Service (Korea)
Korea's national pension fund · Q2 2026weight 0.04% · Q2 2026
63.3M0.04%#315–
Korea Investment Corporation
Korea's sovereign wealth fund · Q2 2026weight 0.04% · Q2 2026
18.5M0.04%#385▼ 5%
Reported value by investor (13F)
Fundsmith$853MViking$623MNorway N…$70.6MKorea NPS$63.3MKIC$18.5M

Questions

Which big investors own Waters Corp?

Fundsmith ($853M), Viking Global Investors ($623M), Norges Bank ($70.6M), National Pension Service (Korea) ($63.3M), Korea Investment Corporation ($18.5M), per their latest 13F filings.

Does Warren Buffett own Waters Corp?

Berkshire Hathaway did not report it in its latest 13F.

Does Korea's National Pension Service own Waters Corp?

Yes, $63.3M as of 2026-06-30 (0.04% of its US holdings).

Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.