Comparable stake leader
BlackRock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001000697.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
7.8%
from 13D/G
|
$2,544,109,460
8,543,014 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
7.5%
|
$2,189,361,573
7,351,785 shares
|
$0 | 31 Mar 2026 |
| Fundsmith LLP |
13D/G
13F
Company
|
4.4%
|
$1,378,857,600
4,308,930 shares
|
$0 | 31 Mar 2026 |
| ALLIANCEBERNSTEIN L.P. |
13F
13D/G
Company
|
3.5%
from 13D/G
|
$804,000,215
2,116,737 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
4.9%
|
$1,415,796,293
4,754,185 shares
|
— | 31 Mar 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
4.8%
|
$1,388,904,000
4,663,879 shares
|
— | 31 Mar 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
Company
|
4.7%
|
$2,059,388,305
4,630,118 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
Company
|
4.5%
|
$1,299,006,578
4,362,010 shares
|
— | 31 Mar 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to buying over the last 12 months. Net value: +$451,070.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 1,500 | 0 | $451,070 | $0 | +$451,070 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-20 of 24 reporting-owner rows connected to WATERS CORP /DE/. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Thomas P. Salice | Director | $26,816,955 | Mixed | 03 Jan 2022 | ||
| Edward Conard | Director | $20,064,730 | Mixed | 31 Mar 2023 | ||
| Udit Batra | President and CEO, Director | $10,181,602 | Mixed | 02 Mar 2026 | ||
| Christopher A. Kuebler | Director | $7,033,625 | Mixed | 25 Feb 2026 | ||
| Michael J. Berendt | Director | $4,421,491 | Mixed | 13 Aug 2021 | ||
| Amol Chaubal | SVP & Chief Financial Officer | $2,270,083 | Median | 12 May 2026 | ||
| Flemming Ornskov | Director | $2,081,886 | Mixed | 25 Feb 2026 | ||
| Jianqing Bennett | SVP Waters Adv. Diagnostics | $1,945,229 | Median | 06 Apr 2026 | ||
| Mark Vergnano | Director | $1,793,163 | Mixed | 25 Feb 2026 | ||
| Robert L. Carpio III | SVP Waters Analytical Sciences | $1,427,816 | Mixed | 25 Feb 2026 | ||
| Jiang Wei | Director | $1,331,429 | +$144,730 | +12% | Mixed | 31 Mar 2026 |
| Pearl S. Huang | Director | $1,294,040 | Mixed | 25 Feb 2026 | ||
| Jonathan M. Pratt | SVP Waters Division | $1,145,921 | Mixed | 10 Oct 2023 | ||
| Linda Baddour | Director | $1,145,018 | Mixed | 25 Feb 2026 | ||
| Richard H. Fearon | Director | $1,011,534 | +$306,340 | +43% | Filing P/S | 06 Mar 2026 |
| Daniel J. Welch | SVP Global Operations | $962,215 | Mixed | 23 Feb 2022 | ||
| Michael F. Silveira | VP, Corporate Controller | $883,814 | Mixed | 03 May 2022 | ||
| Gary E. Hendrickson | Director | $613,670 | Mixed | 05 May 2022 | ||
| Keeley A. Aleman | SVP General Counsel & Corp Sec | $536,186 | Mixed | 09 Mar 2022 | ||
| Daniel J. Brennan | Director | $535,184 | Mixed | 25 Feb 2026 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Amol Chaubal | WAT | Common Stock | Tax liability | -3.04% | -239 | 7,623 | 12 May 2026 | Direct | ||
| Jianqing Bennett | WAT | Common Stock | Tax liability | -4.42% | -302 | 6,532 | 06 Apr 2026 | Direct | ||
| Wei Jiang | WAT | Common Stock | Award | 1.86% | 64.06 | 3,505 | 31 Mar 2026 | Direct | ||
| Heather Knight | WAT | Common Stock | Award | 5.96% | 68.44 | 1,218 | 31 Mar 2026 | Direct | ||
| Wei Jiang | WAT | Common Stock | Purchase | 17% | $144,730 | $289.46 | 500 | 3,441 | 16 Mar 2026 | Direct |
| Richard H. Fearon | WAT | Common Stock | Purchase | 43.4% | $306,340 | $306.34 | 1,000 | 3,302 | 06 Mar 2026 | Direct |
| Udit Batra | WAT | Common Stock | Tax liability | -9.35% | -3,417 | 33,140 | 02 Mar 2026 | Direct | ||
| Amol Chaubal | WAT | Common Stock | Tax liability | -8.34% | -709 | 7,796 | 02 Mar 2026 | Direct | ||
| Jianqing Bennett | WAT | Common Stock | Tax liability | -5.66% | -410 | 6,834 | 02 Mar 2026 | Direct | ||
| Robert L. Carpio III | WAT | Common Stock | Award | 38.1% | 997 | 3,615 | 25 Feb 2026 | Direct | ||
| Robert L. Carpio III | WAT | Stock Option (Right to Buy) | Award | 4,884 | 4,884 | 25 Feb 2026 | Direct | |||
| Jianqing Bennett | WAT | Common Stock | Award | 15.8% | 986 | 7,244 | 25 Feb 2026 | Direct | ||
| Jianqing Bennett | WAT | Stock Option (Right to Buy) | Award | 4,826 | 4,826 | 25 Feb 2026 | Direct | |||
| Amol Chaubal | WAT | Common Stock | Award | 20.6% | 1,455 | 8,505 | 25 Feb 2026 | Direct | ||
| Amol Chaubal | WAT | Stock Option (Right to Buy) | Award | 7,125 | 7,125 | 25 Feb 2026 | Direct | |||
| Udit Batra | WAT | Common Stock | Award | 16.4% | 5,165 | 36,557 | 25 Feb 2026 | Direct | ||
| Udit Batra | WAT | Stock Option (Right to Buy) | Award | 25,283 | 25,283 | 25 Feb 2026 | Direct | |||
| Mark Vergnano | WAT | Common Stock | Award | 0.51% | 23 | 4,540 | 25 Feb 2026 | Direct | ||
| Mark Vergnano | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Christopher A. Kuebler | WAT | Common Stock | Award | 0.13% | 23 | 17,808 | 25 Feb 2026 | Direct | ||
| Christopher A. Kuebler | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Heather Knight | WAT | Common Stock | Award | 2.04% | 23 | 1,149 | 25 Feb 2026 | Direct | ||
| Heather Knight | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Wei Jiang | WAT | Common Stock | Award | 0.79% | 23 | 2,941 | 25 Feb 2026 | Direct | ||
| Wei Jiang | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Pearl S. Huang | WAT | Common Stock | Award | 0.71% | 23 | 3,276 | 25 Feb 2026 | Direct | ||
| Pearl S. Huang | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Claire Fraser | WAT | Common Stock | Award | 273.3% | 358 | 489 | 25 Feb 2026 | Direct | ||
| Claire Fraser | WAT | Stock Option (Right to Buy) | Award | 877 | 877 | 25 Feb 2026 | Direct | |||
| Richard H. Fearon | WAT | Common Stock | Award | 1.01% | 23 | 2,302 | 25 Feb 2026 | Direct | ||
| Richard H. Fearon | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Daniel J. Brennan | WAT | Common Stock | Award | 1.73% | 23 | 1,355 | 25 Feb 2026 | Direct | ||
| Daniel J. Brennan | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Linda Baddour | WAT | Common Stock | Award | 0.8% | 23 | 2,899 | 25 Feb 2026 | Direct | ||
| Linda Baddour | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Flemming Ornskov | WAT | Common Stock | Award | 6.81% | 336 | 5,271 | 25 Feb 2026 | Direct | ||
| Flemming Ornskov | WAT | Stock Option (Right to Buy) | Award | 57 | 57 | 25 Feb 2026 | Direct | |||
| Robert L. Carpio III | WAT | Common Stock | Tax liability | -1.43% | -38 | 2,618 | 05 Feb 2026 | Direct | ||
| Jianqing Bennett | WAT | Common Stock | Tax liability | -0.68% | -43 | 6,258 | 05 Feb 2026 | Direct | ||
| Amol Chaubal | WAT | Common Stock | Tax liability | -0.82% | -58 | 7,050 | 05 Feb 2026 | Direct | ||
| Udit Batra | WAT | Common Stock | Tax liability | -0.69% | -218 | 31,392 | 05 Feb 2026 | Direct | ||
| Jianqing Bennett | WAT | Common Stock | Award | 28.2% | 1,385 | 6,301 | 04 Feb 2026 | Direct | ||
| Amol Chaubal | WAT | Common Stock | Award | 36.1% | 1,884 | 7,108 | 04 Feb 2026 | Direct | ||
| Udit Batra | WAT | Common Stock | Award | 28.8% | 7,066 | 31,610 | 04 Feb 2026 | Direct | ||
| Mark P. Vergnano | WAT | Common Stock | Award | 7.29% | 307 | 4,517 | 02 Jan 2026 | Direct | ||
| Mark P. Vergnano | WAT | Stock Option (Right to Buy) | Award | 828 | 828 | 02 Jan 2026 | Direct | |||
| Christopher A. Kuebler | WAT | Common Stock | Award | 1.76% | 307 | 17,785 | 02 Jan 2026 | Direct | ||
| Christopher A. Kuebler | WAT | Stock Option (Right to Buy) | Award | 828 | 828 | 02 Jan 2026 | Direct | |||
| Pearl S. Huang | WAT | Common Stock | Award | 10.4% | 307 | 3,253 | 02 Jan 2026 | Direct | ||
| Pearl S. Huang | WAT | Stock Option (Right to Buy) | Award | 828 | 828 | 02 Jan 2026 | Direct |