Institutional shares held 56.2 Million
56.5K calls
15.5K puts
Total value of holdings $16B
$16.1M calls
$4.43M puts
Market Cap $17.1B
59,875,900 Shares Out.
Institutional ownership 93.88%
# of Institutions 842


Latest Institutional Activity in WAT

Top Purchases

Q2 2025
Alliancebernstein L.P. Shares Held: 4.02M ($1.15B)
Q2 2025
Norges Bank Shares Held: 763K ($218M)
Q2 2025
Jupiter Asset Management LTD Shares Held: 287K ($82M)
Q2 2025
Vanguard Group Inc Shares Held: 7.41M ($2.12B)
Q2 2025
C Partners Holding Gmb H Shares Held: 154K ($44.1M)

Top Sells

Q2 2025
Massachusetts Financial Services CO Shares Held: 1.86M ($532M)
Q2 2025
Thrivent Financial For Lutherans Shares Held: 4.5K ($1.29M)
Q2 2025
Impax Asset Management Group PLC Shares Held: 274K ($78.3M)
Q2 2025
Wellington Management Group LLP Shares Held: 459K ($131M)
Q2 2025
Ako Capital LLP Shares Held: 787K ($225M)

About WAT

Waters Corporation, a specialty measurement company, 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. Its 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. The company offers 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 life science, pharmaceutical, biochemical, industrial, nutritional safety, environmental, academic, and governmental customers working in research and development, quality assurance, and other laboratory applications. Waters Corporation was founded in 1958 and is headquartered in Milford, Massachusetts.


Insider Transactions at WAT

Insider Transaction List

View all
Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
26.4K Shares
From 13 Insiders
Grant, award, or other acquisition 26.4K shares
Sell / Disposition
7.51K Shares
From 4 Insiders
Payment of exercise price or tax liability 7.51K shares

Track Institutional and Insider Activities on WAT

Follow WATERS CORP and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells WAT shares.

Notify only if

Insider Trading

Get notified when an Waters Corp insider buys or sells WAT shares.

Notify only if

News

Receive news related to WATERS CORP

Track Activities on WAT