$WAT

$455.98 +$2.31 (0.51%) Close

$WAT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 98.2M shares outstanding

Who owns WAT?

By type of holder

Institutions 99.6% Insiders 0.1% Everyone else 0.3%

Concentration Top 10 holders own 44.4%

BlackRock, Inc. 8.6% · Vanguard Capital Management LLC 6.5%

Institutional ownership

99.6%

+3.0 pts vs last qtr

Institutional holders

1,178

-1 vs last qtr

Net shares bought

+3.0M

by institutions in Q2 2026

New / sold out

158 / 159

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +1.7M
Invesco Ltd. +1.3M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −1.6M
Fundsmith LLP −938.4K

Who is planning to sell?

Notices of proposed sale, last 12 months

$1.44M

1 notice from 1 person

Shares covered

3.6K

0.00% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Kuebler Christopher A Director $1.44M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−26.7%

−3.39% a year

Each share's claim on the business

+36.4%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$6.01B vs $402M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years75% 3–5 years4% 1–3 years6% Under 1 year15%

Quarterly turnover

12.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting WAT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	8.5M	8.64%	−58.1K (−0.7%)	≤2021	0.1%
Shares held by quarter Peak holding8.5M (Q1'26) Change over 8 quarters+2.6M Share of the company8.640% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	6.4M	6.53%	+36.8K (+0.6%)	≤2021	0.1%
Shares held by quarter Peak holding6.4M (Q2'26) Change over 8 quarters+6.4M Share of the company6.530% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

8.5M

% of company

8.64%

Change vs last qtr

−58.1K (−0.7%)

Held since

≤2021

Vanguard Capital Management LLC

6.4M

% of company

6.53%

Change vs last qtr

+36.8K (+0.6%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Waters Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting WAT on Form N-PORT; together they hold 44.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$1.17B	3.1M	3.17%	0.05%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$955M	2.5M	2.59%	0.06%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$1.17B

% of company

3.17%

% of the fund

0.05%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$955M

% of company

2.59%

% of the fund

0.06%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Waters Corp and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
BU Batra Udit Insider	33.1K	0.03%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.030% Batra Udit's insider activity →
KC Kuebler Christopher A Insider	17.8K	0.02%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.020% Kuebler Christopher A's insider activity →

Batra Udit

Insider

33.1K

% of company

0.03%

Change vs last qtr

—

Held since

—

Kuebler Christopher A

Insider

17.8K

% of company

0.02%

Change vs last qtr

—

Held since

—

12 more holders behind a free account

See every insider and 5%+ holder of Waters Corp.

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