Stocks › WAT
WATERS CORP /DE/
WAT·NYSE·
United States·USD
$436.43
-3.69 (-0.84%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
WAT
WATERS CORP /DE/ · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
WATS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of WAT by members of U.S. Congress · 62 on record · 15 in the last 12 months
Whale Activity
Position changes in WAT reported for 2026-09-30 by 2 tracked institutional filers
- Increased0
- New0
- Held0
- Decreased0
- Closed0
- No prior filing2
| Filer | Shares | Value | Change |
|---|---|---|---|
| DUDLEY & SHANLEY, INC. | 23.6K | $10.4M | — |
| CACTI ASSET MANAGEMENT LLC | 18.3K | $8.1M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by WAT insiders, by quarter · Form 4
Recent Insider Transactions
1,313 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| KUEBLER CHRISTOPHER ADirector · Director | Sale | −3,626 | $397.94 | $1.4M | Aug 6, 2026 | Form 4 ↗ |
| Carpio Robert L IIISVP Waters Analytical Sciences | Tax withholding | −189 | $369.18 | $70K | Jun 24, 2026 | Form 4 ↗ |
| Chaubal AmolSVP & Chief Financial Officer | Tax withholding | −239 | $352.21 | $84K | May 12, 2026 | Form 4 ↗ |
| Bennett JianqingSVP Waters Adv. Diagnostics | Tax withholding | −302 | $304.09 | $92K | Apr 6, 2026 | Form 4 ↗ |
| Jiang WeiDirector | Grant / award | +64 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| Knight HeatherDirector | Grant / award | +68 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| Jiang WeiDirector | Purchase | +500 | $289.46 | $145K | Mar 16, 2026 | Form 4 ↗ |
| FEARON RICHARD HDirector | Purchase | +1,000 | $306.34 | $306K | Mar 6, 2026 | Form 4 ↗ |
| Batra UditPresident and CEO · Director | Tax withholding | −3,417 | $307.23 | $1.0M | Mar 2, 2026 | Form 4 ↗ |
| Chaubal AmolSVP & Chief Financial Officer | Tax withholding | −709 | $307.23 | $218K | Mar 2, 2026 | Form 4 ↗ |
| Bennett JianqingSVP Waters Adv. Diagnostics | Tax withholding | −410 | $307.23 | $126K | Mar 2, 2026 | Form 4 ↗ |
| Carpio Robert L IIISVP Waters Analytical Sciences | Grant / award | +997 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
| Bennett JianqingSVP Waters Adv. Diagnostics | Grant / award | +986 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
| Chaubal AmolSVP & Chief Financial Officer | Grant / award | +1,455 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
| Batra UditPresident and CEO · Director | Grant / award | +5,165 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
| Vergnano MarkDirector | Grant / award | +23 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
| KUEBLER CHRISTOPHER ADirector | Grant / award | +23 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
| Knight HeatherDirector | Grant / award | +23 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
| Jiang WeiDirector | Grant / award | +23 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
| Huang Pearl SDirector | Grant / award | +23 | $0.00 | $0 | Feb 25, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding WAT · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 3.1M | $1.17B | 0.05% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 2.5M | $954.6M | 0.06% | Jun 30, 2026 |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 2.1M | $797.9M | 0.36% | Jun 30, 2026 |
| T. Rowe Price Capital Appreciation Fund T. ROWE PRICE CAPITAL APPRECIATION FUND, INC. | 2.1M | $788.2M | 1.12% | Jun 30, 2026 |
| iShares Core S&P 500 ETF iShares Trust | 1.4M | $506.5M | 0.06% | Jun 30, 2026 |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 1.3M | $481.4M | 0.06% | May 31, 2026 |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | 1.2M | $445.7M | 0.06% | Jun 30, 2026 |
| Janus Henderson Enterprise Fund Janus Investment Fund | 1.2M | $438.8M | 1.96% | Jun 30, 2026 |
| VANGUARD MID-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 752.2K | $282.1M | 0.81% | Jun 30, 2026 |
| MidCap Fund Principal Funds, Inc | 745.5K | $281.3M | 1.22% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list WAT's shares (CUSIP 941848103), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Fundsmith LLPSCHEDULE 13G/A · passive (13G) · 4.3M shares4.4%
May 15, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming waters as client
- ERNST & YOUNG LLP (WASHINGTON COUNCIL ERNST & YOUNG)WATERS CORP. · 2026 Q3 · TRD, HCR—
Filing ↗
Government Contracts
Federal awards to waters · USAspending
$60KAwarded · 1 contract on record
- Department of Health and Human ServicesWATERS CORP:1106004 [18-001149]$60K
Dec 13, 2017 · ↗
U.S. Patents
Recent USPTO applications naming WATERS CORP /DE/
No USPTO patent applications found for WATERS CORP /DE/.
Annual Financials
From WAT's 10-K filings · XBRL
No annual XBRL figures on record for WAT. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitAug 28, 2000
- 2-for-1Stock splitJun 11, 1999
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
About WATERS CORP /DE/
From SEC EDGAR company records
Industry (SIC 3826)Laboratory Analytical Instruments
SectorTechnology
HeadquartersMILFORD, MA
IncorporatedDE
SEC CIK0001000697 ↗









