Waters Corp (WAT)
NYSE: WAT · Laboratory Analytical Instruments · Milford, MA · filing with the SEC since 1996
Grade6.4
◀ Past 6.5● Present 6.9▶ Future 5.7
Who owns Waters Corp
As filed with the SECHolders of 5% or more
2
Blackrock, Inc. holds 7.8% of Common Stock, as its SCHEDULE 13G/A filed Apr 24, 2026 says.
Directors and officers
15
report now, of 43 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 24, 2026 · Common Stock · 9% in Apr 17, 2025
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
Fundsmith LLP
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock · reported falling below 5%
AllianceBernstein L.P.
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock · reported falling below 5%, from 6.8% in Aug 13, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 12.9% in Oct 31, 2025
What WAT reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Halo Labs LTD
A company bought · acquisition · May 2025 · owns, named in the 10-K filed Feb 23, 2026
57 subsidiaries in 30 countries, from the list filed with the 10-K filed Feb 23, 2026.
Insider tradesForm 4
1sales
2purchases
0sales on a scheduled plan
1people selling
$1.4Msold, in dollars
$500,000bought, in dollars
Open-market trades on Form 4 from Oct 2, 2025 to Oct 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 43 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Kuebler Christopher A | director | 1 | $1.4M | 0 | 0 | $0 |
| Jiang Wei | director | 0 | $0 | 0 | 1 | $100,000 |
| Fearon Richard H | director | 0 | $0 | 0 | 1 | $300,000 |