NYSE: WAT
Waters Corp Stock Ownership - Who owns Waters?

Insider buying vs selling

Have Waters Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Christopher A. KueblerDirector2026-08-063,626$397.94
$1.44MSell
Christopher A. KueblerDirector2026-08-063,626$136.43
$494.70kBuy
Robert L. Carpio IiiSVP Waters Analytical Sciences2026-06-24189$369.18
$69.78kSell
Amol ChaubalSVP Chief Financial Officer2026-05-12239$352.21
$84.18kSell
Jianqing BennettSVP Waters Adv. Diagnostics2026-04-06302$304.09
$91.84kSell
Wei JiangDirector2026-03-16500$289.46
$144.73kBuy
Richard H. FearonDirector2026-03-061,000$306.34
$306.34kBuy
Amol ChaubalSVP Chief Financial Officer2026-03-02709$307.23
$217.83kSell
Udit BatraPresident and CEO2026-03-023,417$307.23
$1.05MSell
Jianqing BennettSVP Waters Adv. Diagnostics2026-03-02410$307.23
$125.96kSell

1 of 2

WAT insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when WAT insiders and whales buy or sell their stock.

WAT Shareholders

What type of owners hold Waters Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Douglas A. Berthiaume3.49%3,427,251$1.41BInsider
Brian K. Mazar0.63%621,606$254.86MInsider
Arthur G. Caputo0.19%189,562$77.72MInsider
Thomas P. Salice0.12%116,086$47.60MInsider
Curated Wealth Partners LLC0.10%102,952$42.21MInstitution
Edward Conard0.08%74,542$30.56MInsider
Joshua Bekenstein0.06%60,349$24.74MInsider
Philip Caldwell0.06%58,653$24.05MInsider
Joann A. Reed0.04%39,685$16.27MInsider
Pb0.04%35,492$14.55MInstitution

1 of 3

WAT vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
WAT0.10%4.95%Net SellingNet Selling
IDXX0.09%1.82%Net SellingNet Buying
A0.09%1.29%Net BuyingNet Buying
IQV0.10%84.74%Net SellingNet Selling
ILMN0.10%9.10%Net SellingNet Selling

Waters Stock Ownership FAQ

Who owns Waters?

Waters (NYSE: WAT) is owned by 0.10% institutional shareholders, 4.95% Waters insiders, and 94.95% retail investors. Douglas A. Berthiaume is the largest individual Waters shareholder, owning 3.43M shares representing 3.49% of the company. Douglas A. Berthiaume's Waters shares are currently valued at $1.43B.

If you're new to stock investing, here's how to buy Waters stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.