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ZWS Institutional Ownership & 13F Holders | SmartMoneyDB

ZWSZURN ELKAY WATER SOLNS CORP

COM · CUSIP 98983L108

Smart Money Ownership

Of the 12 tracked institutions holding ZWS, 6 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +5.0pt. It's a gauge of who owns the name, not just how many.

ZWS (ZURN ELKAY WATER SOLNS CORP) Institutional Ownership Summary

Among the 12 tracked institutional investors we monitor, ZWS (ZURN ELKAY WATER SOLNS CORP) is held with a combined value of $2.41B across 53,081,407 shares. The largest holder is BlackRock, Inc. with a position worth $1.08B (0.02% of their portfolio). 8 funds increased their holdings. 4 funds reduced their position.

Total Institutional Value

$2.41B

Total Shares Held

53,081,407

Institutional Holders

% of Shares Outstanding

31.8%

of 166.87M shares · SEC 2026-04-16

Days to Cover

3.6+11.8%

5.09M shares short · FINRA 2026-06-30

Tracked 13F institutions hold 31.8% of ZWS's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-16), not a live float.

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

MILLENNIUM MANAGEMENT LLC+1703% shares~$22.9M BlackRock, Inc.+1% shares~$12.8M RENAISSANCE TECHNOLOGIES LLC+113% shares~$9.2M STATE STREET CORP+3% shares~$8.3M FMR LLC+36% shares~$8.0M

13F Institutional Holders

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PRICE T ROWE ASSOCIATES INC /MD/

0.02% of book+6.1%

$130.76M

WELLINGTON MANAGEMENT GROUP LLP

0.01% of book-13.3%

$46.23M

Fisher Asset Management, LLC

MILLENNIUM MANAGEMENT LLC

0.01% of book+1702.9%

$24.24M

RENAISSANCE TECHNOLOGIES LLC

#	Fund	Value↓	Shares	Portfolio %	Change
1	BlackRock, Inc.	$1.08B	24,026,421	0.02%	+1.2%
2	VANGUARD GROUP INC	$777.66M	16,727,550	0.01%	-1.1%
3	STATE STREET CORP	$252.74M	5,636,375	0.01%	+3.4%
4	PRICE T ROWE ASSOCIATES INC /MD/	$130.76M	2,916,087	0.02%	+6.1%
5	WELLINGTON MANAGEMENT GROUP LLP	$46.23M	1,031,082	0.01%	-13.3%
6	Fisher Asset Management, LLC	$39.88M	889,432	0.01%	-9.4%
7	FMR LLC	$30.10M	671,203	0.00%	+36.0%
8	MILLENNIUM MANAGEMENT LLC	$24.24M	540,617	0.01%	+1702.9%
9	RENAISSANCE TECHNOLOGIES LLC	$17.25M	384,793	0.03%	+113.0%
10	CITADEL ADVISORS LLC	$7.45M	166,123	0.01%	-12.4%

Frequently Asked Questions

Which institutional investors own the most ZWS stock?

As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of ZWS with a position worth $1.08B, representing 0.02% of their portfolio. In total, 12 institutional investors hold ZWS with a combined value of $2.41B.

What percentage of ZWS is owned by institutional investors?

Institutional investors hold $2.41B worth of ZWS stock across 12 positions. The largest institutional holder is BlackRock, Inc. with $1.08B in holdings.

What is a 13F filing and why does it matter for ZWS?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ZWS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track ZWS institutional moves

Get notified when hedge funds change their ZWS positions.