# WATERS CORP (WAT) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 941848103
Page URL: https://superinvestorclub.com/stock/WAT
Last updated: 2026-08-29T13:49:15.431Z

## Summary

As of the most recent 13F filing period, WATERS CORP (WAT) is held by 10 tracked superinvestors with an aggregate position value of $2.68B representing 02670216227363216621402681642033563856618413100001185959 shares.

## Top institutional holders (10)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [First Eagle](https://superinvestorclub.com/manager/21222) | First Eagle Investment Management | 2670216 | $1.00B | 0.83% | 2026-06-30 |
| 2 | [Terry Smith](https://superinvestorclub.com/manager/23) | Fundsmith | 2273632 | $852.7M | 6.25% | 2026-06-30 |
| 3 | [Andreas Halvorsen](https://superinvestorclub.com/manager/59) | Viking Global Investors | 1662140 | $623.4M | 1.78% | 2026-06-30 |
| 4 | [Steven Romick](https://superinvestorclub.com/manager/289) | First Pacific Advisors | 268164 | $100.6M | 1.24% | 2026-06-30 |
| 5 | [AKO Capital](https://superinvestorclub.com/manager/67) | AKO Capital | 203356 | $76.3M | 1.78% | 2026-06-30 |
| 6 | [Jensen Investment Management](https://superinvestorclub.com/manager/93) | Jensen Investment Management | 38566 | $14.5M | 0.35% | 2026-06-30 |
| 7 | [Bill Nygren](https://superinvestorclub.com/manager/73) | Harris Associates | 18413 | $6.9M | 0.01% | 2026-06-30 |
| 8 | [Robert Olstein](https://superinvestorclub.com/manager/80) | Olstein Capital Management | 10000 | $3.0M | 0.65% | 2026-03-31 |
| 9 | [FPA Queens Road](https://superinvestorclub.com/manager/97) | Bragg Financial Advisors | 1185 | $444,423 | 0.01% | 2026-06-30 |
| 10 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 959 | $359,663 | 0.00% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 3 holders, $1.59B aggregate, 037662518387631071 shares
- 2024-06-30: 3 holders, $1.32B aggregate, 036544508786522044 shares
- 2024-09-30: 2 holders, $1.60B aggregate, 03645999790207 shares
- 2024-12-31: 2 holders, $1.65B aggregate, 03634522815379 shares
- 2025-03-31: 3 holders, $1.68B aggregate, 0361319788721544332 shares
- 2025-06-30: 3 holders, $1.55B aggregate, 0360840778734643936 shares
- 2025-09-30: 4 holders, $1.44B aggregate, 03955498806948439361482 shares
- 2025-12-31: 3 holders, $1.65B aggregate, 0355797875345538736 shares
- 2026-03-31: 10 holders, $2.22B aggregate, 032120751575187125646281692928871226747238766100001547958 shares
- 2026-06-30: 9 holders, $2.68B aggregate, 026702162273632166214026816420335638566184131185959 shares

## Recent congressional trades (27)

- 2026-03-18: Gilbert Cisneros (D-CA) purchase $1,001 - $15,000
- 2026-03-10: Thomas H. Kean (R-NJ) sale $1,001 - $15,000
- 2026-02-13: Thomas H. Kean (R-NJ) sale $1,001 - $15,000
- 2026-02-10: Debbie Dingell (Democrat-MI) exchange $1,001 - $15,000
- 2026-02-09: Kevin Hern (Republican-OK) exchange $1,001 - $15,000
- 2025-12-08: Julia Letlow (Republican-LA) purchase $1,001 - $15,000
- 2025-09-30: Gilbert Cisneros (D-CA) purchase $1,001 - $15,000
- 2025-08-26: Gilbert Cisneros (D-CA) purchase $1,001 - $15,000
- 2025-08-26: Gil Cisneros (Democrat-CA) purchase $1,001 - $15,000
- 2025-08-13: Gil Cisneros (Democrat-CA) purchase $1,001 - $15,000
- 2025-08-13: Gilbert Cisneros (D-CA) purchase $1,001 - $15,000
- 2025-08-12: Gilbert Cisneros (D-CA) purchase $1,001 - $15,000
- 2025-08-12: Gil Cisneros (Democrat-CA) purchase $1,001 - $15,000
- 2025-07-22: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-07-16: Lisa McClain (Republican-MI) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "WATERS CORP (WAT) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/WAT), aggregating SEC 13F, Form 4, and congressional disclosures."