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Waters Corp

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Recent trades of WAT by members of U.S. Congress

Politician Type Traded
Ro Khanna House / D Purchase $1,001 - $15,000 May 15, 2026
Ro Khanna House / D Purchase $1,001 - $15,000 Apr 24, 2026
Ro Khanna House / D Purchase $1,001 - $15,000 Apr 13, 2026
Michael T. McCaul House / R Purchase $15,001 - $50,000 Apr 02, 2026
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Mar 18, 2026
Thomas H. Kean, Jr. House / R Sale $1,001 - $15,000 Mar 10, 2026
Ro Khanna House / D Sale $15,001 - $50,000 Mar 10, 2026
Thomas H. Kean, Jr. House / R Sale $1,001 - $15,000 Feb 13, 2026
Debbie Dingell House / D Exchange $1,001 - $15,000 Feb 10, 2026
Kevin Hern House / R Exchange $1,001 - $15,000 Feb 09, 2026
Ro Khanna House / D Purchase $1,001 - $15,000 Jan 29, 2026
Julia Letlow House / R Purchase $1,001 - $15,000 Dec 08, 2025
Michael T. McCaul House / R Purchase None Sep 30, 2025
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Sep 30, 2025
Ro Khanna House / D Purchase $1,001 - $15,000 Sep 29, 2025
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Aug 26, 2025
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Aug 13, 2025
Gilbert Ray Cisneros, Jr. House / D Purchase $1,001 - $15,000 Aug 12, 2025
Lisa C. McClain House / R Sale $1,001 - $15,000 Jul 22, 2025
Lisa C. McClain House / R Purchase $1,001 - $15,000 Jul 16, 2025
Ro Khanna House / D Sale $1,001 - $15,000 Jul 01, 2025
Ro Khanna House / D Sale $1,001 - $15,000 Jul 01, 2025
Michael T. McCaul House / R Purchase $1,000,001 - $5,000,000 Jun 23, 2025
Ro Khanna House / D Sale $1,001 - $15,000 Jun 23, 2025
Ro Khanna House / D Purchase $1,001 - $15,000 May 28, 2025
Robert Bresnahan House / R Sale $1,001 - $15,000 Apr 08, 2025
Robert Bresnahan House / R Purchase $1,001 - $15,000 Feb 25, 2025
Ro Khanna House / D Sale $1,001 - $15,000 Feb 19, 2025
Ro Khanna House / D Purchase $1,001 - $15,000 Jan 17, 2025
Julia Letlow House / R Sale $1,001 - $15,000 Nov 19, 2024
Ro Khanna House / D Purchase $1,001 - $15,000 Nov 15, 2024
Byron Donalds House / R Sale $1,001 - $15,000 N/A
Byron Donalds House / R Exchange $1,001 - $15,000 N/A
Julia Letlow House / R Purchase $1,001 - $15,000 Oct 23, 2024
Ro Khanna House / D None None N/A
Ro Khanna House / D Purchase $1,001 - $15,000 Aug 02, 2024
Tommy Tuberville Senate / R Sale (Full) $1,001 - $15,000 May 03, 2024
Ro Khanna House / D Sale $1,001 - $15,000 Nov 03, 2023
Ro Khanna House / D Sale $1,001 - $15,000 Oct 31, 2023
Ro Khanna House / D Purchase $1,001 - $15,000 Oct 02, 2023
Lois Frankel House / D Sale $1,001 - $15,000 Sep 08, 2023
Ro Khanna House / D Purchase $1,001 - $15,000 Jun 29, 2023
Ro Khanna House / D Sale $1,001 - $15,000 Jun 26, 2023
Ro Khanna House / D Purchase $1,001 - $15,000 May 23, 2023
Byron Donalds House / R Purchase $1,000,001 - $5,000,000 Feb 24, 2023
Ro Khanna House / D Sale $50,001 - $100,000 N/A
Ro Khanna House / D Sale $1,001 - $15,000 N/A
Byron Donalds House / R Exchange $1,001 - $15,000 Aug 12, 2022
Ro Khanna House / D Purchase $1,001 - $15,000 Jun 02, 2022
Ro Khanna House / D Sale $1,001 - $15,000 N/A
WAT Stock Insider Trading Activity Follow @QuiverQuant for major insider updates
Closing Price
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Sale
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WAT Stock Institutional Owners
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WAT Derivatives Institutional Owners
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Market Value
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Reported

Recently reported changes in WAT holdings by institutional investors

Quarterly net insider trading by WAT's directors and management

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
  • 1M
  • 3M
  • 6M
  • YTD
  • 1Y
  • 2Y
  • 5Y
  • MAX

About

Backtest Start Date

Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

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Metrics Definitions

Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.

  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

    Learn More about Alpha
  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

    Learn More about Annual Standard Deviation
  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

    Learn More about Annual Volatility
  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

    Learn More about Beta
  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

    Learn More about CAGR
  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

    Learn More about Information Ratio
  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

    Learn More about Max Drawdown
  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

    Learn More about Sharpe Ratio
  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

    Learn More about Treynor Ratio
  • Win Rate

    The percentage of total trades that resulted in a positive return.

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Government lobbying spending instances

  • $50,000 Jan 20, 2011 Issue: Food Industry (safety, labeling, etc.)
  • $50,000 Oct 19, 2010 Issue: Food Industry (safety, labeling, etc.)
  • $50,000 Jul 19, 2010 Issue: Food Industry (safety, labeling, etc.)
  • $40,000 Apr 20, 2010 Issue: Food Industry (safety, labeling, etc.)
  • $40,000 Jan 20, 2010 Issue: Food Industry (safety, labeling, etc.)
  • $40,000 Oct 19, 2009 Issue: Food Industry (safety, labeling, etc.)
  • $30,000 Jul 16, 2009 Issue: Food Industry (safety, labeling, etc.)
  • $10,000 Apr 15, 2009 Issue: Food Industry (safety, labeling, etc.)

WAT Estimated quarterly lobbying spending

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Corporate Lobbying Dashboard

WAT Revenue by Segment or Geography

By Segment
By Geography
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Revenue Breakdown Dashboard
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Revenue Breakdown Dashboard
WAT Income Statement
WAT Balance Sheet
WAT Cash Flow
U.S. Patents

New WAT patent grants

  • Patent Title: Light-guiding flow cell technologies May. 19, 2026
  • Patent Title: Systems and methods for two-dimensional liquid chromatography using size exclusion chromatography as a first dimension May. 19, 2026
  • Patent Title: Method of analysis of polynucleotides by restricted access reversed phase chromatography May. 19, 2026
  • Patent Title: Superficially porous organic polymer particles May. 19, 2026
  • Patent Title: Chemical denaturation for oligonucleotide analysis May. 12, 2026
  • Patent Title: Use of neutral ph mobile phases in reversed phase chromatography of acidic peptides May. 12, 2026
  • Patent Title: Superficially porous materials comprising a substantially nonporous hybrid core having narrow particle size distribution May. 12, 2026
  • Patent Title: Chromatographic columns and separation devices comprising a superficially porous material; and use thereof for supercritical fluid chromatography and other chromatography Apr. 28, 2026
  • Patent Title: Workflows for preparing and analyzing clinical samples Apr. 07, 2026
  • Patent Title: Fluidic network for aseptic sampling Mar. 31, 2026
  • Patent Title: Separation of nucleic acid component compounds on zwitterionic stationary phases Mar. 24, 2026
  • Patent Title: Method of operating a liquid chromatography arrangement, a liquid chromatography arrangement, and a chromatography system Mar. 24, 2026
  • Patent Title: Solvent tube management Mar. 03, 2026
  • Patent Title: Nanospray reactive sprayer Feb. 24, 2026
  • Patent Title: Silica-based particle with hydroxy-terminated peg bonding and methoxy-terminated peg surface modification Feb. 17, 2026
  • Patent Title: Double surface modified porous material with minimized nonspecific interaction Feb. 17, 2026
  • Patent Title: Passive solvent mixer for liquid chromatography Feb. 17, 2026
  • Patent Title: Sample manager, system and method Jan. 06, 2026
  • Patent Title: Use of vapor deposition coated flow paths for improved analytical analysis Dec. 30, 2025
  • Patent Title: Encapsulated pre-analytic workflows for flow-through devices, liquid chromatography and mass spectrometric analysis Dec. 02, 2025
  • Patent Title: Composite particles with non-porous hybrid organic-inorganic material Nov. 25, 2025
  • Patent Title: Solvent delivery with a reduced volume single stroke pumping arrangement providing continuous solvent flow Nov. 18, 2025
  • Patent Title: Solid phase extraction methods for enhanced removal of phospholipids from biological samples Nov. 11, 2025
  • Patent Title: Sprayer assembly for desi applications Nov. 11, 2025
  • Patent Title: Compounds for use in system suitability testing of inert lc systems and columns Nov. 04, 2025
  • Patent Title: Dual stationary phase gradient columns for new selectivities in liquid chromatography Oct. 14, 2025
  • Patent Title: Inductive detector with integrated amplifier Sep. 30, 2025
  • Patent Title: Fitting for fluidic coupling in a chromatography system Sep. 30, 2025
  • Patent Title: Superficially porous materials comprising a substantially nonporous core having narrow particle size distribution; process for the preparation thereof; and use thereof for chromatographic separations Sep. 30, 2025
  • Patent Title: Sample preparation plate for mass spectrometry Feb. 15, 2011
  • Patent Title: Polymeric solid supports for chromatography nanocolumns Feb. 15, 2011
  • Patent Title: Mobile phase dilution scheme for enhanced chromatography Jan. 25, 2011
  • Patent Title: Mass-spectrometer interface housing Jan. 04, 2011
  • Patent Title: Methods of making and using an apparatus and devices for placing light and sample in photo-emitting or absorbing devices Dec. 28, 2010
  • Patent Title: Capillary emitter for electrospray mass spectrometry Dec. 28, 2010
  • Patent Title: Method and apparatus for identifying proteins in mixtures Dec. 14, 2010
  • Patent Title: Evaporative light scattering device and methods of use thereof Dec. 07, 2010
  • Patent Title: Freeze-thaw valve that self-limits cryogenic agent usage Nov. 30, 2010
  • Patent Title: High speed combination multi-mode ionization source for mass spectrometers Oct. 26, 2010
  • Patent Title: Mass spectrometer Oct. 26, 2010
  • Patent Title: System for assembling a fluid analysis apparatus Oct. 05, 2010
  • Patent Title: System and method for grouping precursor and fragment ions using selected ion chromatograms Sep. 21, 2010
  • Patent Title: Self-scanned photodiode array with selectively-skipped pixels Sep. 14, 2010
  • Patent Title: Ion exchange porous resins for solid phase extraction and chromatography Sep. 07, 2010
  • Patent Title: Backflow prevention for high pressure gradient systems Jul. 13, 2010
  • Patent Title: Self-setting high pressure fitting Jun. 15, 2010
  • Patent Title: Porous materials for solid phase extraction and chromatography and processes for preparation and use thereof Jun. 08, 2010
  • Patent Title: Closed loop flow control of a hplc constant flow pump to enable low-flow operation Mar. 09, 2010
  • Patent Title: Systems for isolating toxins and collecting eluates for testing for toxins and methods using the same Feb. 02, 2010
  • Patent Title: Apparatus and method for identifying peaks in liquid chromatography/mass spectrometry data and for forming spectra and chromatograms Jan. 12, 2010
Government Contracts

Federal grants, loans, and purchases

Government Contracts

Estimated quarterly amount awarded to WAT from public contracts

WAT News

Recent insights relating to WAT

CNBC Recommendations

Recent picks made for WAT stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in WAT

WAT Analyst Ratings

WAT Stock Forecasts
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WAT Analyst Forecasts
Analyst
Firm
Current
Previous
Date
Frequently Asked Questions
  • Is $WAT stock a Buy, Sell, or Hold?

  • What is the price target for $WAT stock?

* Analyst consensus is not financial advice. Please see our data disclaimers .

WAT Top Shareholders
Shareholder
Shares Held
WAT Options Owners
Shareholder
Security
Underlying Shares
Frequently Asked Questions
  • Who owns $WAT stock?

  • Who owns the most shares of $WAT stock?

  • What funds own $WAT stock?

* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

WAT Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case

See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.

Example:

Bulls Say:

The Bulls Say summary highlights positive aspects of the stock.

Bears Say:

The Bears Say summary points out potential risks and negative aspects of the stock.

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About WAT

Waters sells liquid chromatography, mass spectrometry, and thermal analysis tools. These analytical instruments provide essential information on various products, such as their molecular structures and physical properties, to help clients enhance the health and well-being of end users. In early 2026, Waters merged with BD's life science and diagnostics business, which increased its concentration in diagnostics (versus none now) and discovery-related life science tools.

  • Address Milford, MA
  • Market Cap 34.9 billion
  • Employees 7,900
  • Industrial Classification Laboratory Analytical Instruments
Waters Corp Executive Compensation
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