Waters Corp
WAT- Exchange
- NYSE
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001000697
In the last 90 days, Waters Corp insiders filed 0 open-market purchases and 1 sale; 1,185 institutions reported holding it in 13F filings for Q2 2026, worth $37.3B in total; 3 superinvestors hold it, including Fundsmith and Viking Global Investors.
Members of Congress who traded WAT
Since 2020, newest trade first. Options and trades reported under an earlier ticker are included.
- Trades
- 22
- Filings
- 17
- Members
- 9
- Buys / sells
- 11 / 9
- Estimated volume
- $176.0K
- Sum of range midpoints
| Member | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
| Kevin HernRepublican · House · OK | 2 | 0 / 1 | $16.0K | Aug 13, 2026 | Sep 1, 2026 |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | 5 | 5 / 0 | $40.0K | Mar 18, 2026 | Apr 7, 2026 |
| Thomas H. Kean, Jr.Republican · House · NJ | 2 | 0 / 2 | $16.0K | Mar 10, 2026 | Apr 13, 2026 |
| Debbie DingellDemocrat · House · MI | 1 | 0 / 0 | $8.00K | Feb 10, 2026 | Feb 23, 2026 |
| Julia LetlowRepublican · House · LA | 3 | 2 / 1 | $24.0K | Dec 8, 2025 | Jan 13, 2026 |
| Lisa C. McClainRepublican · House · MI | 2 | 1 / 1 | $16.0K | Jul 22, 2025 | Aug 13, 2025 |
| Robert P. Bresnahan, Jr.Republican · House · PA | 3 | 2 / 1 | $24.0K | May 15, 2025 | Jun 9, 2025 |
| Tommy TubervilleRepublican · Senate · AL | 2 | 1 / 1 | $16.0K | May 3, 2024 | Aug 5, 2026 |
| Lois FrankelDemocrat · House · FL | 2 | 0 / 2 | $16.0K | Sep 8, 2023 | Oct 10, 2023 |
Trades
Every reported trade in Waters Corp, newest filings first.
| Member | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
| Kevin HernRepublican · House · OK | WATWaters Corporation Common Stock | Sell | Joint | Aug 13, 2026 | Sep 1, 2026 | 19 days | $1K-$15K | Filing |
| Tommy TubervilleRepublican · Senate · AL | WATWaters Corporation Common Stock | Sell (full) | Joint | May 3, 2024 | Aug 5, 2026Amended | 42 days | $1K-$15K | Filing |
| Thomas H. Kean, Jr.Republican · House · NJ | WATWaters Corporation Common Stock | Sell (partial) | Self | Mar 10, 2026 | Apr 13, 2026 | 34 days | $1K-$15K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | WATWaters Corporation Common Stock | Buy | Self | Mar 18, 2026 | Apr 7, 2026 | 20 days | $1K-$15K | Filing |
| Thomas H. Kean, Jr.Republican · House · NJ | WATWaters Corporation Common Stock | Sell (partial) | Self | Feb 13, 2026 | Mar 18, 2026 | 33 days | $1K-$15K | Filing |
| Kevin HernRepublican · House · OK | WATWaters Corporation Common Stock | Exchange | Joint | Feb 9, 2026 | Mar 6, 2026 | 25 days | $1K-$15K | Filing |
| Debbie DingellDemocrat · House · MI | WATWaters Corporation Common Stock | Exchange | Self | Feb 10, 2026 | Feb 23, 2026 | 13 days | $1K-$15K | Filing |
| Julia LetlowRepublican · House · LA | WATWaters Corporation Common Stock | Buy | Self | Oct 23, 2024 | Jan 13, 2026 | 447 daysLate | $1K-$15K | Filing |
| Julia LetlowRepublican · House · LA | WATWaters Corporation Common Stock | Sell | Self | Nov 19, 2024 | Jan 13, 2026 | 420 daysLate | $1K-$15K | Filing |
| Julia LetlowRepublican · House · LA | WATWaters Corporation Common Stock | Buy | Self | Dec 8, 2025 | Jan 13, 2026 | 36 days | $1K-$15K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | WATWaters Corporation Common Stock | Buy | Self | Sep 30, 2025 | Oct 10, 2025 | 10 days | $1K-$15K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | WATWaters Corporation Common Stock | Buy | Self | Aug 26, 2025 | Sep 12, 2025 | 17 days | $1K-$15K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | WATWaters Corporation Common Stock | Buy | Self | Aug 13, 2025 | Sep 12, 2025 | 30 days | $1K-$15K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | WATWaters Corporation Common Stock | Buy | Self | Aug 12, 2025 | Sep 12, 2025 | 31 days | $1K-$15K | Filing |
| Lisa C. McClainRepublican · House · MI | WATWaters Corporation Common Stock | Sell | Spouse | Jul 22, 2025 | Aug 13, 2025 | 22 days | $1K-$15K | Filing |
| Lisa C. McClainRepublican · House · MI | WATWaters Corporation Common Stock | Buy | Spouse | Jul 16, 2025 | Aug 13, 2025 | 28 days | $1K-$15K | Filing |
| Robert P. Bresnahan, Jr.Republican · House · PA | WATWaters Corporation Common Stock | Buy | Self | May 15, 2025 | Jun 9, 2025 | 25 days | $1K-$15K | Filing |
| Robert P. Bresnahan, Jr.Republican · House · PA | WATWaters Corporation Common Stock | Sell | Self | Apr 8, 2025 | May 8, 2025 | 30 days | $1K-$15K | Filing |
| Robert P. Bresnahan, Jr.Republican · House · PA | WATWaters Corporation Common Stock | Buy | Self | Feb 25, 2025 | Mar 27, 2025 | 30 days | $1K-$15K | Filing |
| Lois FrankelDemocrat · House · FL | WATWaters Corporation | Sell | Self | Sep 8, 2023 | Oct 10, 2023 | 32 days | $1K-$15K | Filing |
| Lois FrankelDemocrat · House · FL | WATWaters Corporation | Sell (partial) | Self | Aug 4, 2021 | Aug 18, 2021 | 14 days | $1K-$15K | Filing |
| Tommy TubervilleRepublican · Senate · AL | WATWaters Corporation | Buy | Joint | Mar 29, 2021 | Jul 23, 2021 | 116 daysLate | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.