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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $1.44M in total
- 1
- 13F holdersQ2 2026, +23 vs. previous quarter
- 1,185
- 13F valueReported value at the end of Q2 2026
- $37.3B
- Superinvestors holdingAt the end of Q2 2026
- 3
Price chart
Superinvestors holding WAT, Q2 2026
3 superinvestors report holding Waters Corp on Form 13F. Percentages are the stock's share of each portfolio.
Viking Global Investors
Andreas Halvorsen
1.8%
Waters Corp's share of the portfolio
- Shares
- 1,662,140
- Value
- $623.4M
| Superinvestor | Weight | Value |
|---|---|---|
| Harris Associates (Oakmark) | <0.1% | $6.91M |
Latest insider trades
Open-market purchases and sales by Waters Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 7, 2026 (view filing)5:20 PM ET | Aug 6 | 1 day | Kuebler Christopher ADirector | SSale | −3.63K | $397.94 | −$1.44M | −16.9%17.8K after | |
| Mar 18, 2026 (view filing) | Mar 16 | 2 days | Jiang WeiDirector | PPurchase | +500 | $289.46 | +$144.7K | +17.0%3.44K after | |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Fearon Richard HDirector | PPurchase | +1.00K | $306.34 | +$306.3K | +43.4%3.30K after | |
| May 29, 2024 (view filing) | May 28 | 1 day | Fearon Richard HDirector | PPurchase | +1.00K | $332.90 | +$332.9K | +153.1%1.65K after | |
| May 16, 2024 (view filing) | May 15 | 1 day | Kuebler Christopher ADirector | SSale | −4.00K | $361.64 | −$1.45M | −21.4%14.7K after | |
| Mar 14, 2024 (view filing) | Mar 13 | 1 day | Baddour LindaDirector | SSale | −500 | $355.54 | −$177.8K | −18.2%2.25K after | |
| Aug 7, 2023 (view filing) | Aug 4 | 3 days | Kuebler Christopher ADirector | SSale | −4.00K | $291.48 | −$1.17M | −21.8%14.4K after | |
| Mar 1, 2023 (view filing) | Feb 28 | 1 day | Vergnano Mark PDirector | PPurchase | +3.19K | $313.32 | +$997.9K | +856.2%3.56K after | |
| Dec 8, 2022 (view filing) | Nov 30 | 8 days | Conard EdwardDirector | SSale | −1.06K | $334.70 | −$354.4K | −1.4%74.2K after | Amended |
| May 23, 2022 (view filing) | May 19 | 4 days | Kuebler Christopher ADirector | SSale | −4.00K | $328.78 | −$1.32M | −22.1%14.1K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Waters Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,484,939 | $3.18B | 0.05% | −58,075−0.7% | Reduced |
| Massachusetts Financial Services Co | 4,625,035 | $2.53B | 0.81% | −5,083−0.1% | Reduced |
| Vanguard Capital Management LLC | 6,415,552 | $2.41B | 0.05% | +36,777+0.6% | Added |
| Vanguard Portfolio Management LLC | 4,740,524 | $1.78B | 0.08% | −13,661−0.3% | Reduced |
| State Street Corp | 4,382,008 | $1.64B | 0.05% | +19,998+0.5% | Added |
| T. Rowe Price Investment Management, Inc. | 3,817,779 | $1.43B | 0.94% | −846,100−18.1% | Reduced |
| Invesco Ltd. | 3,494,267 | $1.31B | 0.10% | +1,325,982+61.2% | Added |
| Geode Capital Management, LLC | 2,636,146 | $984.8M | 0.05% | −10,312−0.4% | Reduced |
| Fundsmith LLPSuperinvestorFundsmith | 2,273,632 | $852.7M | 6.25% | −938,443−29.2% | Reduced |
| Price T Rowe Associates Inc | 2,177,958 | $816.8M | 0.08% | +1,053,930+93.8% | Added |