WAT Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 0.31%

Insider Buying (Last 12 Months): $144,730.00

Insider Selling (Last 12 Months): $1,442,930.44

Waters Insider Trading History Chart

Waters Share Price & Price History

^$408.54

▼ -2.165 (-0.53%)

As of 08/24/2026 02:45 PM ET

Days: 30 | 90 | 365

Waters Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
8/6/2026	Christopher A. Kuebler	Director	Sell	3,626	$397.94	$1,442,930.44	17,808
3/16/2026	Wei Jiang	Director	Buy	500	$289.46	$144,730.00	3,441
5/28/2024	Richard H. Fearon	Director	Buy	1,000	$332.90	$332,900.00	1,653
5/15/2024	Christopher A. Kuebler	Director	Sell	4,000	$361.64	$1,446,560.00	14,716
3/13/2024	Linda Baddour	Director	Sell	500	$355.54	$177,770.00	2,250

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

Waters Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/24/2026	California State Teachers Retirement System	54,254,036	$20.35B	0.1%	+35,116.4%	55.220%
8/23/2026	Washington Trust Advisors Inc.	12,995	$4.87M	0.4%	-0.3%	0.013%
8/23/2026	Wedmont Private Capital	796	$0.30M	0.0%	N/A	0.001%
8/23/2026	Kintra Wealth LLC	1,510	$0.62M	0.0%	+4.3%	0.002%
8/23/2026	HB Wealth Management LLC	3,286	$1.23M	0.0%	-21.7%	0.003%
8/23/2026	Saudi Central Bank	6,884	$2.58M	0.0%	+89.6%	0.007%
8/22/2026	NBH Bank	172	$65K	0.0%	N/A	0.000%
8/22/2026	Munich Reinsurance Co Stock Corp in Munich	35,226	$13.21M	0.3%	-45.8%	0.036%
8/22/2026	Raiffeisen Bank International AG	111	$41K	0.0%	-97.7%	0.000%
8/22/2026	Syon Capital LLC	1,659	$0.62M	0.0%	+23.4%	0.002%
8/22/2026	TD Waterhouse Canada Inc.	25,732	$9.73M	0.0%	+0.2%	0.026%
8/22/2026	Barlow Wealth Partners LLC	586	$0.22M	0.0%	N/A	0.001%
8/22/2026	Concurrent Investment Advisors LLC	1,572	$0.59M	0.0%	+17.2%	0.002%
8/22/2026	NEOS Investment Management LLC	15,252	$5.72M	0.0%	+12.5%	0.016%
8/21/2026	Braidwell LP	14,040	$5.27M	0.2%	N/A	0.014%
8/21/2026	Strengthening Families & Communities LLC	107	$40K	0.0%	-90.6%	0.000%
8/21/2026	Nykredit A S	38,061	$14.27M	0.0%	N/A	0.039%
8/21/2026	B. Metzler seel. Sohn & Co. AG	4,749	$1.78M	0.0%	-13.7%	0.005%
8/21/2026	Bedel Financial Consulting Inc.	626	$0.24M	0.0%	N/A	0.001%
8/20/2026	Clifford Swan Investment Counsel LLC	795	$0.30M	0.0%	+7.1%	0.001%
8/20/2026	Rehmann Capital Advisory Group	846	$0.32M	0.0%	+5.6%	0.001%
8/20/2026	NS Partners Ltd	6,511	$2.44M	0.1%	-17.1%	0.007%
8/20/2026	Fundsmith LLP	2,273,632	$852.70M	6.2%	-29.2%	2.314%
8/20/2026	Ancora Advisors LLC	16,543	$6.20M	0.1%	+82.1%	0.017%
8/20/2026	Benjamin Edwards Inc.	4,189	$1.57M	0.0%	+72.5%	0.004%
8/20/2026	Private Harbour Investment Management & Counsel LLC	615	$0.23M	0.3%	N/A	0.001%
8/20/2026	Flputnam Investment Management Co.	1,628	$0.61M	0.0%	+110.9%	0.002%
8/20/2026	Northwestern Mutual Wealth Management Co.	2,219	$0.83M	0.0%	-5.5%	0.002%
8/20/2026	Wedbush Securities Inc.	858	$0.32M	0.0%	-31.8%	0.001%
8/20/2026	Meiji Yasuda Life Insurance Co	4,220	$1.58M	0.1%	N/A	0.004%
8/20/2026	Sheets Smith Wealth Management	1,431	$0.54M	0.1%	-17.4%	0.001%
8/20/2026	Spinnaker Trust	725	$0.27M	0.0%	N/A	0.001%
8/20/2026	Greenleaf Trust	1,344	$0.50M	0.0%	-12.1%	0.001%
8/19/2026	Delta Asset Management LLC TN	15,128	$5.67M	0.5%	-1.2%	0.015%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	774,955	$290.64M	0.1%	-2.5%	0.789%
8/19/2026	New Mexico Educational Retirement Board	4,935	$1.85M	0.0%	+6.5%	0.005%
8/19/2026	Royal London Asset Management Ltd.	41,300	$15.49M	0.0%	+1.4%	0.042%
8/19/2026	Toth Financial Advisory Corp	582	$0.22M	0.0%	-72.0%	0.001%
8/19/2026	Mufg Securities Americas Inc.	2,957	$1.11M	0.1%	+9.0%	0.003%
8/19/2026	Van ECK Associates Corp	29,056	$10.90M	0.0%	+27.2%	0.030%
8/19/2026	Nissay Asset Management Corp Japan	13,798	$5.18M	0.0%	+6.3%	0.014%
8/19/2026	Wellington Management Group LLP	1,373,150	$514.99M	0.1%	+69.2%	1.398%
8/19/2026	Boussard & Gavaudan Gestion Sas	1,783	$0.66M	0.0%	N/A	0.002%
8/19/2026	Archer Investment Corp	531	$0.20M	0.0%	N/A	0.001%
8/19/2026	Kingsview Wealth Management LLC	563	$0.21M	0.0%	N/A	0.001%
8/18/2026	Beacon Pointe Advisors LLC	1,171	$0.44M	0.0%	-42.4%	0.001%
8/18/2026	Livforsakringsbolaget Skandia Omsesidigt	805	$0.30M	0.0%	N/A	0.001%
8/18/2026	Rakuten Investment Management Inc.	16,068	$5.93M	0.0%	+10.3%	0.016%
8/18/2026	Liontrust Investment Partners LLP	358,979	$134.63M	2.0%	+20.1%	0.365%
8/18/2026	Glenview Trust Co	8,921	$3.35M	0.0%	-11.6%	0.009%
8/18/2026	Empowered Funds LLC	6,004	$2.25M	0.0%	-24.6%	0.006%
8/18/2026	United Capital Financial Advisors LLC	5,993	$2.25M	0.0%	+3.8%	0.006%
8/18/2026	Caitlin John LLC	82	$31K	0.0%	+43.9%	0.000%
8/18/2026	Graybill Wealth Management LTD.	12,758	$4.79M	1.3%	+2.4%	0.013%
8/18/2026	Jefferies Financial Group Inc.	2,286	$0.86M	0.0%	+185.8%	0.002%
8/18/2026	Public Employees Retirement System of Ohio	28,021	$10.51M	0.0%	-4.8%	0.029%
8/18/2026	PenderFund Capital Management Ltd.	75	$28K	0.0%	N/A	0.000%
8/17/2026	Stonebridge Capital Management Inc.	635	$0.24M	0.1%	N/A	0.001%
8/17/2026	Transamerica Financial Advisors LLC	132	$50K	0.0%	-61.5%	0.000%
8/17/2026	Corient Private Wealth LP	15,489	$5.81M	0.0%	+0.3%	0.016%
8/17/2026	Pilgrim Global Advisors LLC	18,206,121	$466.13B	100.0%	N/A	18.530%
8/17/2026	Bank of America Corp DE	839,592	$314.88M	0.0%	-0.5%	0.855%
8/15/2026	Invst LLC	1,990	$0.75M	0.1%	-32.1%	0.002%
8/15/2026	First Bancorp Inc ME	79	$30K	0.0%	N/A	0.000%
8/15/2026	Roberts Glore & Co. Inc. IL	850	$0.32M	0.1%	-13.5%	0.001%
8/15/2026	Jupiter Topco LLC	1,663,601	$623.92M	0.3%	N/A	1.693%
8/15/2026	J. Goldman & Co LP	16,483	$6.18M	0.2%	+24.0%	0.017%
8/14/2026	Hsbc Holdings PLC	397,310	$148.92M	0.1%	-14.6%	0.404%
8/14/2026	Ancora Advisors LLC	16,543	$6.20M	0.1%	+82.1%	0.017%
8/14/2026	Primecap Management Co. CA	38,647	$14.49M	0.0%	-0.5%	0.039%
8/14/2026	Canada Pension Plan Investment Board	162,120	$60.80M	0.0%	+2,711.2%	0.165%
8/14/2026	Parkman Healthcare Partners LLC	30,206	$11.33M	1.2%	+14.2%	0.031%
8/14/2026	Legal & General Group Plc	690,148	$258.83M	0.1%	+0.8%	0.702%
8/14/2026	The Manufacturers Life Insurance Company	209,540	$78.59M	0.1%	-60.1%	0.213%
8/14/2026	Jones Financial Companies Lllp	290,936	$108.93M	0.0%	+22.9%	0.296%
8/14/2026	Sone Capital Management LLC	60,706	$22.77M	1.7%	N/A	0.062%
8/14/2026	Vega Investment Solutions	3,749	$1.41M	0.2%	+26.7%	0.004%
8/14/2026	Aberdeen Wealth Management LLC	1,198	$0.45M	0.2%	-53.0%	0.001%
8/13/2026	Allstate Corp	10,331	$3.88M	0.0%	-19.2%	0.011%
8/13/2026	Cibc World Market Inc.	6,085	$2.28M	0.0%	+73.3%	0.006%
8/13/2026	Castlefield Investment Partners LLP	1,553	$0.58M	0.4%	+107.6%	0.002%
8/13/2026	OMERS ADMINISTRATION Corp	5,113	$1.92M	0.0%	-52.0%	0.005%
8/13/2026	Osmosis Investment Management UK Ltd	27,778	$10.42M	0.5%	-52.5%	0.028%
8/13/2026	Sanctuary Advisors LLC	4,462	$1.67M	0.0%	+2.6%	0.005%
8/13/2026	Meiji Yasuda Asset Management Co Ltd.	11,593	$4.35M	0.2%	+1,223.4%	0.012%
8/13/2026	Haverford Trust Co	3,556	$1.33M	0.0%	-15.7%	0.004%
8/13/2026	Clear Harbor Asset Management LLC	651	$0.24M	0.0%	-30.3%	0.001%
8/13/2026	Bank of Nova Scotia	9,923	$3.72M	0.0%	-27.3%	0.010%
8/12/2026	Daiichi Life Insurance Co. Ltd.	2,693	$1.01M	0.0%	+3.7%	0.003%
8/12/2026	Stiles Financial Services Inc	633	$0.24M	0.1%	-4.5%	0.001%
8/12/2026	Foyston Gordon & Payne Inc	5,738	$2.15M	0.5%	+2.1%	0.006%
8/12/2026	Commerce Bank	12,321	$4.62M	0.0%	-14.8%	0.013%
8/12/2026	Pinnbrook Capital Management LP	5,360	$2.01M	0.2%	N/A	0.005%
8/12/2026	Northwestern Mutual Wealth Management Co.	2,219	$0.83M	0.0%	-5.5%	0.002%
8/12/2026	Gabelli Funds LLC	7,877	$2.95M	0.0%	-4.1%	0.008%
8/12/2026	Evolve Private Wealth LLC	645	$0.24M	0.0%	-19.4%	0.001%
8/12/2026	Findlay Park Partners LLP	451,925	$169.49M	2.3%	-3.3%	0.460%
8/12/2026	Varma Mutual Pension Insurance Co	2,707	$1.02M	0.0%	-72.6%	0.003%
8/12/2026	Westpac Banking Corp	2,133	$0.80M	0.0%	+14.4%	0.002%
8/12/2026	Korea Investment CORP	49,296	$18.49M	0.0%	-4.6%	0.050%

Data available starting January 2016

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.

Today's Range

Now: $408.54

$401.60

$410.34

50 Day Range

MA: $381.79

$356.26

$416.45

52 Week Range

Now: $408.54

$282.77

$421.74

Volume

263,407 shs

Average Volume

1,012,258 shs

Market Capitalization

$40.14 billion

P/E Ratio

101.88

Dividend Yield

N/A

Beta

1.19

Who are the company insiders with the largest holdings of Waters?: Waters' top insider shareholders include:
Arthur G Caputo (EVP)
Arthur Caputo (EVP)
Arthur G Caputo (EVP)
Edward Conard (Director)
Christopher J Oconnell (CEO)
Eugene G Cassis (CFO)
Joann A Reed (Director)
Eugene G Cassis (SVP)
Elizabeth B Rae (VP)
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:
California State Teachers Retirement System — 55.22%
Pilgrim Global Advisors LLC — 18.53%
BlackRock Inc. — 8.64%
Fundsmith LLP — 2.31%
Jupiter Topco LLC — 1.69%
Wellington Management Group LLP — 1.40%
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:
Fundsmith LLP
The Manufacturers Life Insurance Company
Impax Asset Management Group plc
Hsbc Holdings PLC
Cooke & Bieler LP
Osmosis Investment Management UK Ltd
Munich Reinsurance Co Stock Corp in Munich
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Which major investors are buying Waters stock?: Within the last quarter, WAT stock was acquired by institutional investors including:
California State Teachers Retirement System
Pilgrim Global Advisors LLC
BlackRock Inc.
Jupiter Topco LLC
Wellington Management Group LLP
Bank of New York Mellon Corp
Deutsche Bank AG
Mitsubishi UFJ Asset Management Co. Ltd.