$MWA

$22.46 +$0.20 (0.9%) Close

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

Ownership

13F as of Q2 2026 · 156.1M shares outstanding

Who owns MWA?

By type of holder

Institutions 95.7% Insiders 0.8% Everyone else 3.5%

Concentration Top 10 holders own 51.9%

BlackRock, Inc. 16.5% · Vanguard Portfolio Management LLC 7.4%

Institutional ownership

95.7%

+1.5 pts vs last qtr

Institutional holders

426

-1 vs last qtr

Net shares bought

+2.3M

by institutions in Q2 2026

New / sold out

55 / 56

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +2.2M
Fiduciary Management Inc /wi/ +1.7M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −1.9M
Balyasny Asset Management L.P. −1.1M

Who is planning to sell?

Notices of proposed sale, last 12 months

$4.61M

9 notices from 7 people

Shares covered

179.9K

0.12% of the company

Arranged in advance

90%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Marietta Edmunds Zakas Former officer 10b5-1 $1.37M
Paul McAndrew Officer 10b5-1 $1.05M

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

−3.6%

−0.41% a year

Each share's claim on the business

+3.7%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$180M vs $70.5M

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+ years68% 3–5 years6% 1–3 years16% Under 1 year9%

Quarterly turnover

8.1%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MWA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	25.7M	16.45%	+551.9K (+2.2%)	≤2021	0.0%
Shares held by quarter Peak holding27.9M (Q1'25) Change over 8 quarters+11.4M Share of the company16.450% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	11.6M	7.41%	+223.2K (+2.0%)	≤2021	0.0%
Shares held by quarter Peak holding11.6M (Q2'26) Change over 8 quarters+11.6M Share of the company7.410% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

25.7M

% of company

16.45%

Change vs last qtr

+551.9K (+2.2%)

Held since

≤2021

Vanguard Portfolio Management LLC

11.6M

% of company

7.41%

Change vs last qtr

+223.2K (+2.0%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Mueller Water Products Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MWA on Form N-PORT; together they hold 55.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$244M	9.4M	6.04%	0.22%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$128M	5.0M	3.18%	0.01%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$244M

% of company

6.04%

% of the fund

0.22%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$128M

% of company

3.18%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Mueller Water Products Inc 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
ZM Zakas Marietta Edmunds Insider	508.0K	0.33%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.330% Zakas Marietta Edmunds's insider activity →
TL Thomas Lydia W Insider	126.7K	0.08%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.080% Thomas Lydia W's insider activity →

Zakas Marietta Edmunds

Insider

508.0K

% of company

0.33%

Change vs last qtr

—

Held since

—

Thomas Lydia W

Insider

126.7K

% of company

0.08%

Change vs last qtr

—

Held since

—

16 more holders behind a free account

See every insider and 5%+ holder of Mueller Water Products Inc.

Comments