Quick Takeaways
- WAT - WATERS CORP /DE/ has 24 insiders with reported activity on this page.
- Net insider value flow over the last year: +$451,070.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 24 Insiders of WATERS CORP /DE/
- Symbol
- WAT on NYSE
- Location
- Milford, MA
What Changed
- Buy value: $451,070; sell value: $0.
- Net share flow: +1,500.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$451,070.
Buys
$451,070
Shares: 1,500
Insiders: 2
Sells
$0
Shares: 0
Insiders: 0
Net
+$451,070
Shares: +1,500
Insiders: 2
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 1,500 | 0 | $451,070 | $0 | +$451,070 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
WATERS CORP /DE/ executives and other stock owners filed with the SEC include:
| 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 | $2,395,285 | Mixed | 02 Mar 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 | ||
| Wei Jiang | 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 | ||
| Heather Knight | Director | $462,446 | Mixed | 31 Mar 2026 | ||
| Belinda Hyde | SVP, Global Human Resources | $328,742 | Mixed | 17 Feb 2022 | ||
| Claire Fraser | Director | $193,140 | Mixed | 25 Feb 2026 | ||
| John M. Ballbach | Director | $101,875 | Mixed | 03 Jan 2022 |
Top shareholders of WATERS CORP /DE/ (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
13%
|
7,469,936
|
$2,837,305,792 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
9%
from 13D/G
|
5,432,155
|
$2,063,295,225 | — | 31 Dec 2025 | |
| Fundsmith LLP |
13F
|
Company |
6%
|
3,557,978
|
$1,351,426,784 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.5%
|
2,683,138
|
$1,019,136,307 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
4.4%
|
2,624,715
|
$996,945,499 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
13D/G
|
Company |
3.5%
from 13D/G
|
2,066,898
|
$785,069,867 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.7%
|
1,593,388
|
$602,920,624 | — | 31 Dec 2025 | |
| Mawer Investment Management Ltd. |
13F
|
Company |
2.2%
|
1,298,752
|
$493,304,972 | — | 31 Dec 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
2.2%
|
1,290,393
|
$490,130,010 | — | 31 Dec 2025 | |
| Veritas Asset Management LLP |
13F
|
Company |
2.1%
|
1,241,206
|
$471,447,275 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
2%
|
1,167,216
|
$443,343,653 | — | 31 Dec 2025 | |
| FUNDSMITH INVESTMENT SERVICES LTD. |
13F
|
Company |
1.9%
|
1,146,209
|
$435,364,564 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
1.5%
|
870,969
|
$330,835,846 | — | 31 Dec 2025 | |
| AKO CAPITAL LLP |
13F
|
Company |
1.3%
|
753,455
|
$286,185,000 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.2%
|
719,171
|
$273,163,678 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
1.2%
|
699,659
|
$265,751,478 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.1%
|
684,521
|
$260,001,612 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
1.1%
|
671,103
|
$254,906,000 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.98%
|
585,020
|
$222,208,146 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.98%
|
581,063
|
$220,705,162 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.9%
|
538,713
|
$204,619,359 | — | 31 Dec 2025 | |
| GUARDCAP ASSET MANAGEMENT Ltd |
13F
|
Company |
0.89%
|
530,654
|
$201,750,423 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.85%
|
506,775
|
$192,509,698 | — | 31 Dec 2025 | |
| LONDON CO OF VIRGINIA |
13F
|
Company |
0.85%
|
504,674
|
$191,694,964 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.83%
|
494,067
|
$187,661,468 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.79%
|
468,221
|
$177,844,382 | — | 31 Dec 2025 | |
| Findlay Park Partners LLP |
13F
|
Company |
0.77%
|
458,469
|
$174,140,280 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.76%
|
453,267
|
$172,164,405 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.73%
|
433,906
|
$164,810,582 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.73%
|
433,682
|
$164,725,429 | — | 31 Dec 2025 | |
| Holocene Advisors, LP |
13F
|
Company |
0.69%
|
411,710
|
$156,379,809 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.67%
|
401,804
|
$152,617,032 | — | 31 Dec 2025 | |
| HSBC HOLDINGS PLC |
13F
|
Company |
0.66%
|
395,352
|
$150,095,625 | — | 31 Dec 2025 | |
| BECK MACK & OLIVER LLC |
13F
|
Company |
0.66%
|
390,655
|
$148,382,489 | — | 31 Dec 2025 | |
| Artisan Partners Limited Partnership |
13F
|
Company |
0.63%
|
373,708
|
$141,945,494 | — | 31 Dec 2025 | |
| Amundi |
13F
|
Individual |
0.6%
|
359,846
|
$136,680,307 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.6%
|
355,955
|
$135,202,388 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.59%
|
352,010
|
$133,703,958 | — | 31 Dec 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.59%
|
350,927
|
$132,960,261 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.54%
|
323,230
|
$122,772,296 | — | 31 Dec 2025 | |
| Champlain Investment Partners, LLC |
13F
|
Company |
0.53%
|
312,768
|
$118,798,669 | — | 31 Dec 2025 | |
| Madison Asset Management, LLC |
13F
|
Company |
0.49%
|
293,164
|
$111,352,638 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.48%
|
285,474
|
$108,431,589 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.46%
|
272,722
|
$103,587,997 | — | 31 Dec 2025 | |
| Focus Partners Wealth |
13F
|
Company |
0.46%
|
271,761
|
$103,223,191 | — | 31 Dec 2025 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.42%
|
249,598
|
$94,804,809 | — | 31 Dec 2025 | |
| NATIXIS ADVISORS, LLC |
13F
|
Company |
0.41%
|
244,898
|
$93,020,000 | — | 31 Dec 2025 | |
| Impax Asset Management Group plc |
13F
|
Company |
0.39%
|
232,249
|
$88,215,139 | — | 31 Dec 2025 | |
| Epoch Investment Partners, Inc. |
13F
|
Company |
0.37%
|
222,473
|
$84,501,919 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.33%
|
197,909
|
$75,171,775 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for WATERS CORP /DE/
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |||
| Richard H. Fearon | WAT | Common Stock | Award | 15.6% | 307 | 2,279 | 02 Jan 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.