$ZWS

$49.32 +$0.00 (0.0%) After hours

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

Ownership

13F as of Q2 2026 · 165.9M shares outstanding

Who owns ZWS?

By type of holder

Institutions 89.4% Insiders 10.6% Everyone else 0.0%

Concentration Top 10 holders own 60.0%

BlackRock, Inc. 14.8% · Katz Aimee 9.1%

Institutional ownership

89.4%

+0.7 pts vs last qtr

Institutional holders

434

+15 vs last qtr

Net shares bought

+1.2M

by institutions in Q2 2026

New / sold out

62 / 47

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +3.4M
Norges Bank NEW +2.1M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −3.3M
Kayne Anderson Rudnick Investment Management LLC −2.0M

Who is planning to sell?

Notices of proposed sale, last 12 months

$38.8M

24 notices from 10 people

Shares covered

748.7K

0.45% 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

Adams Todd A. Officer $28.1M
Jahnke Timothy J Director $3.04M

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

+65.8%

+5.78% a year

Each share's claim on the business

−39.7%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$641M vs $304M

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+ years0% 3–5 years81% 1–3 years8% Under 1 year12%

Quarterly turnover

8.8%

of institutional shares changed hands

Top 10 managers, median time held

4.5 years

Super Investors

Investment managers reporting ZWS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	24.6M	14.81%	+540.1K (+2.2%)	2021	0.0%
Shares held by quarter Peak holding25.5M (Q4'24) Change over 8 quarters−897.2K Share of the company14.810% BlackRock, Inc.'s full portfolio →
KA Kayne Anderson Rudnick Investment Management LLC	8.9M	5.36%	−2.0M (−18.0%)	2023	1.4%
Shares held by quarter Peak holding13.6M (Q1'25) Change over 8 quarters−4.6M Share of the company5.360% Kayne Anderson Rudnick Investment Management LLC's full portfolio →

BlackRock, Inc.

24.6M

% of company

14.81%

Change vs last qtr

+540.1K (+2.2%)

Held since

2021

Kayne Anderson Rudnick Investment Management LLC

8.9M

% of company

5.36%

Change vs last qtr

−2.0M (−18.0%)

Held since

2023

28 more super investors behind a free account

See every manager holding Zurn Elkay Water Solutions Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ZWS on Form N-PORT; together they hold 43.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$453M	9.0M	5.40%	0.41%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$255M	5.0M	3.04%	0.01%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$453M

% of company

5.40%

% of the fund

0.41%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$255M

% of company

3.04%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Zurn Elkay Water Solutions 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
KA Katz Aimee Insider	15.0M	9.05%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company9.050% Katz Aimee's insider activity →
JA Jalazo April Insider	15.0M	9.05%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company9.050% Jalazo April's insider activity →

Katz Aimee

Insider

15.0M

% of company

9.05%

Change vs last qtr

—

Held since

—

Jalazo April

Insider

15.0M

% of company

9.05%

Change vs last qtr

—

Held since

—

21 more holders behind a free account

See every insider and 5%+ holder of Zurn Elkay Water Solutions Corp.

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