Congress trades in Waters Corporation Common Stock (WAT) (WAT)
4 of the members we track disclosed 10 purchases of WAT between 2024-10-23 and 2026-03-18, and 9 sales. Here is what the stock did afterwards.
Every purchase is measured over the three months after the transaction date, against XLV — the ETF standing in for Healthcare & Pharma — over exactly the same dates. The second figure is the one that carries information: the first mostly reflects what the sector did. How WAT was classified.
How these buys are tagged
2 of these purchases were made by a member whose own committee oversees Healthcare & Pharma. 3 are marked Cluster: A buy is marked Cluster when at least one other tracked member of Congress bought the same stock within 30 days of it, regardless of committee membership.
| Buys | Number | Return after 3 months | vs. sector | Beat their sector |
|---|---|---|---|---|
| All buys | 10 | +14.7% | +9.3% | 80% |
| Notable (committee-flagged) | 2 | Too few buys to measure | ||
| Unaligned (no committee overlap) | 8 | +18.3% | +11.2% | 88% |
| Cluster, excl. mega-caps | 3 | Too few buys to measure | ||
| Not clustered, excl. mega-caps | 7 | +9.5% | +6.9% | 71% |
Who bought the most
- Gilbert Ray Cisneros, Jr. — 5 buys
- Julia Letlow — 2 buys
- Robert Bresnahan — 2 buys
- Lisa C. McClain — 1 buy
Every disclosed purchase
| Member | Bought disclosed |
Signal | Price | 1W | 1M | 3M | vs sector |
|---|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | 2026-03-18 2026-04-07 |
Unaligned | $295.05 | +2.5% | +11.1% | +21.0% | +18.6% |
| Julia Letlow | 2025-12-08 2026-01-13 |
Notable | $392.75 | -1.9% | +1.7% | -22.2% | -24.0% |
| Gilbert Ray Cisneros, Jr. | 2025-09-30 2025-10-10 |
Unaligned | $299.81 | +6.2% | +14.4% | +28.1% | +16.2% |
| Gilbert Ray Cisneros, Jr. | 2025-08-26 2025-09-12 |
Unaligned | $296.14 | +0.1% | -2.8% | +39.3% | +23.5% |
| Gilbert Ray Cisneros, Jr. | 2025-08-13 2025-09-12 |
Unaligned Cluster | $296.83 | -0.0% | -0.5% | +30.5% | +15.9% |
| Gilbert Ray Cisneros, Jr. | 2025-08-12 2025-09-12 |
Unaligned Cluster | $285.52 | +4.3% | +5.9% | +35.2% | +20.4% |
| Lisa C. McClain | 2025-07-16 2025-08-13 |
Unaligned Cluster | $289.56 | +2.1% | +0.7% | +14.8% | +8.6% |
| Robert Bresnahan | 2025-05-15 2025-06-09 |
Unaligned | $351.60 | -0.9% | -2.6% | -16.5% | -19.2% |
| Robert Bresnahan | 2025-02-25 2025-03-27 |
Unaligned | $380.83 | -3.4% | -2.7% | -5.9% | +5.3% |
| Julia Letlow | 2024-10-23 2026-01-13 |
Notable | $333.28 | -2.0% | +12.1% | +22.5% | +28.0% |
Prices are the closing price on the transaction date, not what was paid: filings never disclose an execution price. Blank figures mean the window has not elapsed yet. Sales are not scored — a sale closes a position rather than opening one — so the 9 disclosed sales of WAT are not in this table.
Download the data behind this page, or read how every figure is calculated. Trades in WAT are a small part of the full rankings, which score each member across everything they bought.
Data last updated .