WAT
WATERS CORPData as of 2026 Q1 (03-31) · 13F snapshot
Summary
WATERS CORP (WAT) is held by 8 tracked hedge-fund managers, a combined reported value of ~$992.13M; the largest are Andreas Halvorsen, Terry Smith, Steven Cohen. This quarter: 1 new, 3 added, 2 trimmed. 20 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Heating up
Gurus holding8
Congress trades20
Price$377.13vs quarter-end+26.64%
Sectors0
This quarter's moves
Top holderAndreas HalvorsenNew1
Added3
Trimmed / sold2
Andreas HalvorsenNew large stake
Value $374.17M1.0% of portfolio1,256,4622026 Q1
Value $8.93M— of portfolio30,0002026 Q1
Value $7.50M— of portfolio25,1922026 Q1
Value $7.34M— of portfolio24,6612026 Q1
Value $7.30M— of portfolio19,8002025 Q1
Value $379.4K— of portfolio1,2742026 Q1
Value $201.3K— of portfolio6762026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Andreas Halvorsen | $374.17M | 1.0% | New large stake |
| Izzy EnglanderCALL | $8.93M | — | — |
| Ken GriffinCALL | $7.50M | — | — |
| Ken GriffinPUT | $7.34M | — | — |
| Izzy EnglanderPUT | $7.30M | — | — |
| Steven CohenPUT | $379.4K | — | — |
| Steven CohenCALL | $201.3K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.