SEC ownership of WATERS CORP /DE/

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 CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001000697
Issuer location
Milford, MA

Ownership snapshot

Top shareholders of WATERS CORP /DE/ (13F + 13D/G + 3/4/5)

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.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
13F 13D/G Lead comparable stake: 7.8% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 7.8%.

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.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 7.8%
VANGUARD CAPITAL MANAGEMENT LLC 7.5%
Fundsmith LLP 4.4%
ALLIANCEBERNSTEIN L.P. 3.5%
VANGUARD PORTFOLIO MANAGEMENT LLC 4.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
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
13F
4.9%
$1,415,796,293
4,754,185 shares
31 Mar 2026
T. Rowe Price Investment Management, Inc.
13F
Company
13F
4.8%
$1,388,904,000
4,663,879 shares
31 Mar 2026
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
Company
13F
4.7%
$2,059,388,305
4,630,118 shares
31 Mar 2026
STATE STREET CORP
13F
Company
13F
4.5%
$1,299,006,578
4,362,010 shares
31 Mar 2026
How to read this table

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

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$451,070.

Buys
$451,070
Insiders: 2
Sells
$0
Insiders: 0
Net
+$451,070
Shares: +1,500
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 1,500 Shares: 0
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

Insider holders from Forms 3/4/5

Showing 1-20 of 24 reporting-owner rows connected to WATERS CORP /DE/. Open a relationship link for the CIK-to-CIK filing trail.

Rows
24
Largest Forms 3/4/5 holder
Thomas P. Salice
Net 12M change
+$451,070
Latest report
12 May 2026
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

Recent insider transactions for WATERS CORP /DE/

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
* marks a reported price that did not pass the local price check.
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