Stocks › WAT

WATERS CORP /DE/

WAT·NYSE·United States United States·USD
$436.43
-3.69 (-0.84%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
WAT
WATERS CORP /DE/ · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
WATS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of WAT by members of U.S. Congress · 62 on record · 15 in the last 12 months
All congressional trades →
PoliticianStockTypeFiledTraded
Kevin HernKevin HernHouse · R · OK WATWATERS CORP /DE/ · Stock Sale
$1,001 - $15,000
Sep 1, 2026 Aug 13, 2026 Filing ↗
Tommy TubervilleTommy TubervilleSenate · R · AL WATWATERS CORP /DE/ · Stock Sale
$1,001 - $15,000
Aug 5, 2026 May 3, 2024 Filing ↗
Ro KhannaRo KhannaHouse · D · CA WATWATERS CORP /DE/ · Common Stock Purchase
$1,001 - $15,000
May 11, 2026 Apr 24, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA WATWATERS CORP /DE/ · Common Stock Purchase
$1,001 - $15,000
May 11, 2026 Apr 13, 2026 Filing ↗
Thomas H. Kean, Jr.Thomas H. Kean, Jr.House · R · NJ WATWATERS CORP /DE/ · Stock Sale
$1,001 - $15,000
Apr 13, 2026 Mar 10, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Apr 7, 2026 Mar 18, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA WATWATERS CORP /DE/ · Common Stock Sale
$15,001 - $50,000
Apr 7, 2026 Mar 10, 2026 Filing ↗
Thomas H. Kean, Jr.Thomas H. Kean, Jr.House · R · NJ WATWATERS CORP /DE/ · Stock Sale
$1,001 - $15,000
Mar 18, 2026 Feb 13, 2026 Filing ↗
Kevin HernKevin HernHouse · R · OK WATWATERS CORP /DE/ · Stock Exchange
$1,001 - $15,000
Mar 6, 2026 Feb 9, 2026 Filing ↗
Debbie DingellDebbie DingellHouse · D · MI WATWATERS CORP /DE/ · Stock Exchange
$1,001 - $15,000
Feb 23, 2026 Feb 10, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Feb 6, 2026 Jan 29, 2026 Filing ↗
Julia LetlowJulia LetlowHouse · R · LA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Jan 13, 2026 Oct 23, 2024 Filing ↗
Julia LetlowJulia LetlowHouse · R · LA WATWATERS CORP /DE/ · Stock Sale
$1,001 - $15,000
Jan 13, 2026 Nov 19, 2024 Filing ↗
Julia LetlowJulia LetlowHouse · R · LA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Jan 13, 2026 Dec 8, 2025 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Oct 10, 2025 Sep 30, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA WATWATERS CORP /DE/ · Common Stock Purchase
$1,001 - $15,000
Oct 3, 2025 Sep 29, 2025 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Sep 12, 2025 Aug 13, 2025 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Sep 12, 2025 Aug 26, 2025 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Sep 12, 2025 Aug 12, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Aug 13, 2025 Jul 16, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI WATWATERS CORP /DE/ · Stock Sale
$1,001 - $15,000
Aug 13, 2025 Jul 22, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA WATWATERS CORP /DE/ · Common Stock Sale
$1,001 - $15,000
Aug 7, 2025 Jul 1, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA WATWATERS CORP /DE/ · Common Stock Sale
$1,001 - $15,000
Jul 9, 2025 Jun 23, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Jun 10, 2025 May 28, 2025 Filing ↗
Robert P. Bresnahan, Jr.Robert P. Bresnahan, Jr.House · R · PA WATWATERS CORP /DE/ · Stock Purchase
$1,001 - $15,000
Jun 9, 2025 May 15, 2025 Filing ↗

Whale Activity

Position changes in WAT reported for 2026-09-30 by 2 tracked institutional filers
No prior filing: 2
  • Increased0
  • New0
  • Held0
  • Decreased0
  • Closed0
  • No prior filing2
FilerSharesValueChange
DUDLEY & SHANLEY, INC.23.6K$10.4M—
CACTI ASSET MANAGEMENT LLC18.3K$8.1M—

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by WAT insiders, by quarter · Form 4
-5,000-2,50002,5005,0002025 Q1: 02025 Q12025 Q2: 02025 Q22025 Q3: 02025 Q32025 Q4: 02025 Q42026 Q1: 1,5002026 Q12026 Q2: 02026 Q22026 Q3: -3,6262026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

1,313 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
KUEBLER CHRISTOPHER ADirector · Director Sale −3,626 $397.94 $1.4M Aug 6, 2026 Form 4 ↗
Carpio Robert L IIISVP Waters Analytical Sciences Tax withholding −189 $369.18 $70K Jun 24, 2026 Form 4 ↗
Chaubal AmolSVP & Chief Financial Officer Tax withholding −239 $352.21 $84K May 12, 2026 Form 4 ↗
Bennett JianqingSVP Waters Adv. Diagnostics Tax withholding −302 $304.09 $92K Apr 6, 2026 Form 4 ↗
Jiang WeiDirector Grant / award +64 $0.00 $0 Mar 31, 2026 Form 4 ↗
Knight HeatherDirector Grant / award +68 $0.00 $0 Mar 31, 2026 Form 4 ↗
Jiang WeiDirector Purchase +500 $289.46 $145K Mar 16, 2026 Form 4 ↗
FEARON RICHARD HDirector Purchase +1,000 $306.34 $306K Mar 6, 2026 Form 4 ↗
Batra UditPresident and CEO · Director Tax withholding −3,417 $307.23 $1.0M Mar 2, 2026 Form 4 ↗
Chaubal AmolSVP & Chief Financial Officer Tax withholding −709 $307.23 $218K Mar 2, 2026 Form 4 ↗
Bennett JianqingSVP Waters Adv. Diagnostics Tax withholding −410 $307.23 $126K Mar 2, 2026 Form 4 ↗
Carpio Robert L IIISVP Waters Analytical Sciences Grant / award +997 $0.00 $0 Feb 25, 2026 Form 4 ↗
Bennett JianqingSVP Waters Adv. Diagnostics Grant / award +986 $0.00 $0 Feb 25, 2026 Form 4 ↗
Chaubal AmolSVP & Chief Financial Officer Grant / award +1,455 $0.00 $0 Feb 25, 2026 Form 4 ↗
Batra UditPresident and CEO · Director Grant / award +5,165 $0.00 $0 Feb 25, 2026 Form 4 ↗
Vergnano MarkDirector Grant / award +23 $0.00 $0 Feb 25, 2026 Form 4 ↗
KUEBLER CHRISTOPHER ADirector Grant / award +23 $0.00 $0 Feb 25, 2026 Form 4 ↗
Knight HeatherDirector Grant / award +23 $0.00 $0 Feb 25, 2026 Form 4 ↗
Jiang WeiDirector Grant / award +23 $0.00 $0 Feb 25, 2026 Form 4 ↗
Huang Pearl SDirector Grant / award +23 $0.00 $0 Feb 25, 2026 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding WAT · SEC Form N-PORT
FundSharesValue% of fundAs of
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
3.1M$1.17B0.05%Jun 30, 2026
VANGUARD 500 INDEX FUND
VANGUARD INDEX FUNDS
2.5M$954.6M0.06%Jun 30, 2026
VANGUARD MID-CAP INDEX FUND
VANGUARD INDEX FUNDS
2.1M$797.9M0.36%Jun 30, 2026
T. Rowe Price Capital Appreciation Fund
T. ROWE PRICE CAPITAL APPRECIATION FUND, INC.
2.1M$788.2M1.12%Jun 30, 2026
iShares Core S&P 500 ETF
iShares Trust
1.4M$506.5M0.06%Jun 30, 2026
Fidelity 500 Index Fund
Fidelity Concord Street Trust
1.3M$481.4M0.06%May 31, 2026
State Street(R) SPDR(R) S&P 500(R) ETF Trust1.2M$445.7M0.06%Jun 30, 2026
Janus Henderson Enterprise Fund
Janus Investment Fund
1.2M$438.8M1.96%Jun 30, 2026
VANGUARD MID-CAP GROWTH INDEX FUND
VANGUARD INDEX FUNDS
752.2K$282.1M0.81%Jun 30, 2026
MidCap Fund
Principal Funds, Inc
745.5K$281.3M1.22%Jul 31, 2026

Mutual funds and ETFs whose N-PORT filings list WAT's shares (CUSIP 941848103), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings
  • Fundsmith LLPSCHEDULE 13G/A · passive (13G) · 4.3M shares4.4%
    May 15, 2026 · ↗

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming waters as client
$0$0$1$1$12026
  • ERNST & YOUNG LLP (WASHINGTON COUNCIL ERNST & YOUNG)WATERS CORP. · 2026 Q3 · TRD, HCR—
    Filing ↗

Government Contracts

Federal awards to waters · USAspending
$60KAwarded · 1 contract on record
  • Department of Health and Human ServicesWATERS CORP:1106004 [18-001149]$60K
    Dec 13, 2017 · ↗

U.S. Patents

Recent USPTO applications naming WATERS CORP /DE/

No USPTO patent applications found for WATERS CORP /DE/.

Annual Financials

From WAT's 10-K filings · XBRL

No annual XBRL figures on record for WAT. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history
  • 2-for-1Stock splitAug 28, 2000
  • 2-for-1Stock splitJun 11, 1999

Split dates and ratios from the price history · Close Prices from Tiingo.com

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 5.02, 8.01Officer / director change · Other eventsAug 21, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsAug 4, 2026
    EDGAR ↗
  • 8-K · Items 5.07Shareholder voteMay 22, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsMay 5, 2026
    EDGAR ↗

About WATERS CORP /DE/

From SEC EDGAR company records
Industry (SIC 3826)Laboratory Analytical Instruments
SectorTechnology
HeadquartersMILFORD, MA
IncorporatedDE