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WAT Insider Trading

Insider Ownership Percentage: 0.31%
Insider Buying (Last 12 Months): $144,730.00
Insider Selling (Last 12 Months): $0.00

Waters Insider Trading History Chart

This chart shows the insider buying and selling history at Waters by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Waters Share Price & Price History

Current Price: $377.70
Price Change: ▲ Price Increase of +0.574 (0.15%)
As of 07/10/2026 12:03 PM ET

This chart shows the closing price history over time for WAT up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Waters Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/16/2026Wei JiangDirectorBuy500$289.46$144,730.003,441View SEC Filing Icon  
5/28/2024Richard H. FearonDirectorBuy1,000$332.90$332,900.001,653View SEC Filing Icon  
5/15/2024Christopher A. KueblerDirectorSell4,000$361.64$1,446,560.0014,716View SEC Filing Icon  
3/13/2024Linda BaddourDirectorSell500$355.54$177,770.002,250View SEC Filing Icon  
8/4/2023Christopher A. KueblerDirectorSell4,000$291.48$1,165,920.0014,382View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Waters (NYSE:WAT)

94.01% of Waters stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at WAT by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Waters Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/10/2026Wealthcare Advisory Partners LLC588$0.22M0.0%N/A0.001%Search for SEC Filing on Google Icon
7/9/2026CPA Asset Management Group LLC534$0.20M0.1%N/A0.001%Search for SEC Filing on Google Icon
7/9/2026Dudley & Shanley Inc.23,590$8.85M1.3%+101.3%0.024%Search for SEC Filing on Google Icon
7/9/2026Allied Private Wealth LLC106$39K0.0%N/A0.000%Search for SEC Filing on Google Icon
7/9/2026TOWER TRUST & INVESTMENT Co190$71K0.0%-18.8%0.000%Search for SEC Filing on Google Icon
7/9/2026Jacobs & Co. CA15,518$5.82M0.5%+22.6%0.016%Search for SEC Filing on Google Icon
7/9/2026Chemistry Wealth Management LLC1,191$0.45M0.1%-13.2%0.001%Search for SEC Filing on Google Icon
7/9/2026Avity Investment Management Inc.2,816$1.06M0.1%-75.4%0.003%Search for SEC Filing on Google Icon
7/8/2026Atwood & Palmer Inc.2,552$0.96M0.1%-9.1%0.003%Search for SEC Filing on Google Icon
7/8/2026Rockland Trust Co.607$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
7/8/2026Thurston Springer Miller Herd & Titak Inc.182$68K0.0%+49.2%0.000%Search for SEC Filing on Google Icon
7/8/2026Chesley Taft & Associates LLC608$0.23M0.0%-24.0%0.001%Search for SEC Filing on Google Icon
7/8/2026Trust Point Inc.923$0.35M0.0%-3.0%0.001%Search for SEC Filing on Google Icon
7/8/2026Czech National Bank27,947$10.48M0.1%+4.6%0.028%Search for SEC Filing on Google Icon
7/8/2026PensionDanmark Pensionsforsikringsaktieselskab11,235$4.21M0.0%-4.0%0.011%Search for SEC Filing on Google Icon
7/8/2026Assenagon Asset Management S.A.130,109$48.80M0.1%+19.1%0.133%Search for SEC Filing on Google Icon
7/8/2026Armstrong Henry H Associates Inc.3,678$1.38M0.1%-6.9%0.004%Search for SEC Filing on Google Icon
7/7/2026Dynamic Advisor Solutions LLC1,450$0.54M0.0%-85.3%0.001%Search for SEC Filing on Google Icon
7/7/2026GAMMA Investing LLC4,618$1.73M0.1%+58.6%0.005%Search for SEC Filing on Google Icon
7/7/2026Avior Wealth Management LLC1,400$0.53M0.0%-20.3%0.001%Search for SEC Filing on Google Icon
7/7/2026Canandaigua National Bank & Trust Co.1,109$0.42M0.0%N/A0.001%Search for SEC Filing on Google Icon
7/7/2026Sandy Cove Advisors LLC543$0.20M0.1%N/A0.001%Search for SEC Filing on Google Icon
7/7/2026Carderock Capital Management Inc.7,417$2.78M0.6%N/A0.008%Search for SEC Filing on Google Icon
7/7/2026CoreCap Advisors LLC709$0.27M0.0%-24.5%0.001%Search for SEC Filing on Google Icon
7/2/2026MassMutual Private Wealth & Trust FSB1,894$0.71M0.0%-11.6%0.002%Search for SEC Filing on Google Icon
7/2/2026Versant Capital Management Inc85$32K0.0%-29.8%0.000%Search for SEC Filing on Google Icon
7/2/2026CX Institutional658$0.25M0.0%-6.9%0.001%Search for SEC Filing on Google Icon
7/1/2026Eastern Bank290$0.11M0.0%+22.4%0.000%Search for SEC Filing on Google Icon
6/24/2026Basecamp Wealth Advisors LLC179$53K0.0%+141.9%0.000%Search for SEC Filing on Google Icon
6/18/2026Pacer Advisors Inc.6,151$1.83M0.0%+6.3%0.006%Search for SEC Filing on Google Icon
6/16/2026Empowered Funds LLC7,958$2.37M0.0%+431.2%0.008%Search for SEC Filing on Google Icon
6/15/2026J. R. Prunier Capital Management LLC872$0.26M0.1%N/A0.001%Search for SEC Filing on Google Icon
6/9/2026Rathbones Group PLC3,150$0.94M0.0%N/A0.003%Search for SEC Filing on Google Icon
6/3/2026DV Trading LLC840$0.25M0.0%N/A0.001%Search for SEC Filing on Google Icon
6/3/2026Parallel Advisors LLC1,074$0.32M0.0%+77.2%0.001%Search for SEC Filing on Google Icon
6/3/2026NewEdge Advisors LLC3,654$1.09M0.0%+10,340.0%0.004%Search for SEC Filing on Google Icon
6/2/2026Optiver Holding B.V.171$51K0.0%N/A0.000%Search for SEC Filing on Google Icon
6/1/2026First Nebraska Trust Co3,588$1.07M0.1%N/A0.004%Search for SEC Filing on Google Icon
6/1/2026NWI Management LP19,489$5.80M0.3%N/A0.020%Search for SEC Filing on Google Icon
5/26/2026Glenmede Trust Co. NA52,658$15.68M0.1%+21.4%0.054%Search for SEC Filing on Google Icon
5/22/2026Groupama Asset Managment1,578$0.47M0.0%+145.4%0.002%Search for SEC Filing on Google Icon
5/21/2026Groupe la Francaise31,009$9.21M0.1%N/A0.032%Search for SEC Filing on Google Icon
5/20/2026Liontrust Investment Partners LLP298,855$89M1.3%+5,156.0%0.304%Search for SEC Filing on Google Icon
5/20/2026Union Heritage Capital LLC831$0.25M0.1%N/A0.001%Search for SEC Filing on Google Icon
5/19/2026Western Wealth Management LLC159$47K0.0%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE843,636$251.24M0.0%+44.2%0.859%Search for SEC Filing on Google Icon
5/19/2026Edgestream Partners L.P.6,541$1.95M0.1%+274.6%0.007%Search for SEC Filing on Google Icon
5/19/2026Kensington Investment Counsel LLC1,443$0.43M0.2%-59.5%0.001%Search for SEC Filing on Google Icon
5/19/2026Kentucky Retirement Systems7,028$2.09M0.1%+88.0%0.007%Search for SEC Filing on Google Icon
5/19/2026Kentucky Retirement Systems Insurance Trust Fund2,586$0.77M0.1%+65.0%0.003%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC1,638,772$488.03M0.2%+27.0%1.669%Search for SEC Filing on Google Icon
5/19/2026Oddo BHF Asset Management Sas8,193$2.44M0.1%+4.4%0.008%Search for SEC Filing on Google Icon
5/19/2026South Dakota Investment Council6,334$1.89M0.0%+849.6%0.006%Search for SEC Filing on Google Icon
5/19/2026Smith Group Asset Management LLC77,612$23.11M1.2%+6.8%0.079%Search for SEC Filing on Google Icon
5/18/2026Guardian Partners Inc.789$0.24M0.0%+9.4%0.001%Search for SEC Filing on Google Icon
5/18/2026Amundi432,146$128.69M0.0%+20.1%0.440%Search for SEC Filing on Google Icon
5/18/2026Parvin Asset Management LLC542$0.16M0.1%N/A0.001%Search for SEC Filing on Google Icon
5/18/2026EverSource Wealth Advisors LLC779$0.23M0.0%+112.3%0.001%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System154,059$45.88M0.0%+68.1%0.157%Search for SEC Filing on Google Icon
5/18/2026Resources Management Corp CT ADV90$27K0.0%N/A0.000%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada228,857$68.15M0.0%+47.3%0.233%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC7,954$2.37M0.0%+431.0%0.008%Search for SEC Filing on Google Icon
5/18/2026Empyrean Capital Partners LP92,000$27.40M0.9%N/A0.094%Search for SEC Filing on Google Icon
5/18/2026Evelyn Partners Asset Management Ltd24,518$7.30M1.8%+1.4%0.025%Search for SEC Filing on Google Icon
5/18/2026Evelyn Partners Investment Management LLP856$0.26M0.0%+242.4%0.001%Search for SEC Filing on Google Icon
5/18/2026Evelyn Partners Investment Management Services Ltd16,715$4.98M0.6%-2.6%0.017%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company 525,246$156.42M0.1%+615.8%0.535%Search for SEC Filing on Google Icon
5/16/2026Glen Eagle Advisors LLC410$0.12M0.0%+4,000.0%0.000%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP72,709$21.65M0.0%+8.4%0.074%Search for SEC Filing on Google Icon
5/16/2026Westport Asset Management Inc.2,338$0.70M0.3%N/A0.002%Search for SEC Filing on Google Icon
5/15/2026OMERS ADMINISTRATION Corp10,652$3.17M0.0%+43.7%0.011%Search for SEC Filing on Google Icon
5/15/2026Bradley Foster & Sargent Inc. CT5,141$1.53M0.0%+17.6%0.005%Search for SEC Filing on Google Icon
5/15/2026Lombard Odier Asset Management Switzerland SA2,407$0.72M0.0%N/A0.002%Search for SEC Filing on Google Icon
5/15/2026Waverly Advisors LLC3,244$0.97M0.0%+34.5%0.003%Search for SEC Filing on Google Icon
5/15/2026London Co. of Virginia355,310$105.81M0.7%-29.6%0.362%Search for SEC Filing on Google Icon
5/15/2026Epoch Investment Partners Inc.224,431$66.84M0.4%+0.9%0.229%Search for SEC Filing on Google Icon
5/15/2026Empirical Finance LLC3,351$1M0.0%+64.5%0.003%Search for SEC Filing on Google Icon
5/15/2026Cannell & Spears LLC7,238$2.16M0.0%+9.0%0.007%Search for SEC Filing on Google Icon
5/14/2026Healthcare of Ontario Pension Plan Trust Fund20,893$6.22M0.0%+184.1%0.021%Search for SEC Filing on Google Icon
5/14/2026Dai ichi Life Insurance Company Ltd2,596$0.77M0.0%+51.1%0.003%Search for SEC Filing on Google Icon
5/14/2026Bollard Group LLC98$29K0.0%N/A0.000%Search for SEC Filing on Google Icon
5/14/2026Gabelli Funds LLC8,214$2.45M0.0%+22.6%0.008%Search for SEC Filing on Google Icon
5/14/2026Gamco Investors INC. ET AL1,314$0.39M0.0%N/A0.001%Search for SEC Filing on Google Icon
5/14/2026Morningstar Investment Management LLC20,445$6.09M0.4%+58.4%0.021%Search for SEC Filing on Google Icon
5/14/2026Public Employees Retirement System of Ohio29,424$8.76M0.0%+64.2%0.030%Search for SEC Filing on Google Icon
5/14/2026Compound Planning Inc.1,055$0.31M0.0%-31.4%0.001%Search for SEC Filing on Google Icon
5/14/2026Modern Wealth Management LLC1,315$0.39M0.0%N/A0.001%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership148,660$44.27M0.0%+201.1%0.151%Search for SEC Filing on Google Icon
5/14/2026Bank of Nova Scotia13,658$4.07M0.0%+38.7%0.014%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.197,565$58.84M0.1%+162.7%0.201%Search for SEC Filing on Google Icon
5/14/2026Lido Advisors LLC2,937$0.88M0.0%+58.1%0.003%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers13,097$3.90M0.0%+121.0%0.013%Search for SEC Filing on Google Icon
5/13/2026Levin Capital Strategies L.P.29,535$8.80M0.7%N/A0.030%Search for SEC Filing on Google Icon
5/13/2026Godshalk Welsh Capital Management Inc.1,665$0.50M0.3%N/A0.002%Search for SEC Filing on Google Icon
5/13/2026Barbara Oil Co.676$0.20M0.1%N/A0.001%Search for SEC Filing on Google Icon
5/13/2026CI Investments Inc.4,575$1.36M0.0%+12.0%0.005%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP303,112$90.27M0.1%-24.6%0.309%Search for SEC Filing on Google Icon
5/12/2026Westpac Banking Corp1,864$0.56M0.0%+73.7%0.002%Search for SEC Filing on Google Icon
5/12/2026ABN Amro Investment Solutions4,000$1.19M0.0%+125.2%0.004%Search for SEC Filing on Google Icon
5/8/2026PNC Financial Services Group Inc.40,612$12.09M0.0%+110.6%0.041%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Waters logo
Waters Corporation provides analytical workflow solutions in Asia, the Americas, and Europe. It operates through two segments: Waters and TA. The company designs, manufactures, sells, and services high and ultra-performance liquid chromatography, as well as mass spectrometry (MS) technology systems and support products, including chromatography columns, other consumable products, and post-warranty service plans. It also designs, manufactures, sells, and services thermal analysis, rheometry, and calorimetry instruments; and develops and supplies software-based products that interface with its instruments, as well as other manufacturers' instruments. In addition, the company offers MS technology instruments are used in drug discovery and development comprising clinical trial testing, the analysis of proteins in disease processes, nutritional safety analysis, and environmental testing. Further, the company provides thermal analysis, rheometry, and calorimetry instruments for use in predicting the suitability and stability of fine chemicals, pharmaceuticals, water, polymers, metals, and viscous liquids for various industrial, consumer good, and healthcare products, as well as for life science research. Its products are used by clinical, pharmaceutical, biochemical, industrial, nutritional safety, environmental, academic, and governmental customers working in research and development, quality assurance, and other laboratory applications. The company was founded in 1958 and is headquartered in Milford, Massachusetts.
Read More on Waters

Today's Range

Now: $377.70
Low: $373.15
High: $380.32

50 Day Range

MA: $357.09
Low: $291.73
High: $384.12

52 Week Range

Now: $377.70
Low: $275.05
High: $414.15

Volume

110,492 shs

Average Volume

1,047,605 shs

Market Capitalization

$37.09 billion

P/E Ratio

47.99

Dividend Yield

N/A

Beta

1.2

Who are the company insiders with the largest holdings of Waters?

Waters' top insider shareholders include:
  1. Arthur G Caputo (EVP)
  2. Arthur Caputo (EVP)
  3. Arthur G Caputo (EVP)
  4. Edward Conard (Director)
  5. Christopher J Oconnell (CEO)
  6. Eugene G Cassis (CFO)
  7. Joann A Reed (Director)
  8. Eugene G Cassis (SVP)
  9. Elizabeth B Rae (VP)
  10. Michael C Harrington (SVP)
Learn More about top insider investors at Waters.

Who are the major institutional investors of Waters?

Waters' top institutional investors include:
  1. Assenagon Asset Management S.A. — 0.13%
  2. Czech National Bank — 0.03%
  3. Dudley & Shanley Inc. — 0.02%
  4. Jacobs & Co. CA — 0.02%
  5. PensionDanmark Pensionsforsikringsaktieselskab — 0.01%
  6. Carderock Capital Management Inc. — 0.01%
Learn More about top institutional investors of Waters stock.

Which major investors are selling Waters stock?

During the last quarter, WAT stock was sold by these institutional investors:
  1. Avity Investment Management Inc.
  2. Dynamic Advisor Solutions LLC
  3. PensionDanmark Pensionsforsikringsaktieselskab
  4. Avior Wealth Management LLC
  5. Armstrong Henry H Associates Inc.
  6. Atwood & Palmer Inc.
  7. MassMutual Private Wealth & Trust FSB
  8. CoreCap Advisors LLC

Which major investors are buying Waters stock?

Within the last quarter, WAT stock was acquired by institutional investors including:
  1. Assenagon Asset Management S.A.
  2. Dudley & Shanley Inc.
  3. Carderock Capital Management Inc.
  4. Jacobs & Co. CA
  5. GAMMA Investing LLC
  6. Czech National Bank
  7. Canandaigua National Bank & Trust Co.
  8. Rockland Trust Co.

Waters Active Insiders

Christopher J Oconnell
Christopher J Oconnell
CEO
Sherry Buck
Sherry Buck (Age 60)
Former CFO
Michael J Berendt
Michael J Berendt
Director
Christopher A Kuebler
Director
Edward Conard
Edward Conard
Director
Linda Baddour
Linda Baddour
Director
Joann A Reed
Joann A Reed
Director
Mark P Vergnano
Mark P Vergnano
Director
Richard H Fearon
Director
Wei Jiang
Wei Jiang
Director
1 recent trades
Ian King
Ian King (Age 68)
SVP
Michael C Harrington
Michael C Harrington (Age 64)
SVP
Robert G Carson
Robert G Carson
SVP