Zurn Elkay Water Solutions Corporation (ZWS) Ownership

NYSE: ZWSTop holders, insider trades and short interest.

ZWS ownership summary

as of October 18, 2026
Institutions
92.7%
of shares outstanding
Insiders
11.62%
of shares outstanding
Shares outstanding
165.9M
Float
147.0M
shares available to trade
Short interest
3.80%
4.6M shares short
Days to cover
5.16
short interest up 1.0% vs prior month
  • Institutions 92.70%
  • Insiders 11.62%

ZWS top institutional holders

20 largest
Zurn Elkay Water Solutions Corporation top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc14.81%24.6M$1.16B+540,082 (+2.2%)June 30, 2026
2Vanguard Portfolio Management, LLC5.42%9.0M$423.0M+131,792 (+1.5%)June 30, 2026
3Kayne Anderson Rudnick Investment Management LLC5.36%8.9M$418.5M−2.0M (−18.0%)June 30, 2026
4Vanguard Capital Management, LLC4.23%7.0M$330.1M+27,024 (+0.4%)June 30, 2026
5State Street Corp3.61%6.0M$281.7M+350,569 (+6.2%)June 30, 2026
6Bank of America Corp3.32%5.5M$259.1M−115,942 (−2.1%)June 30, 2026
7Amvescap Plc.2.80%4.6M$218.8M+45,656 (+1.0%)June 30, 2026
8Geode Capital Management, LLC2.32%3.8M$180.8M+196,110 (+5.4%)June 30, 2026
9Beck, Mack & Oliver LLC2.07%3.4M$161.5M−66,584 (−1.9%)June 30, 2026
10Jupiter Topco LLC2.06%3.4M$160.4M+3.4M (0.0%)June 30, 2026
11HHG PLC1.99%3.3M$155.5M−507,134 (−13.3%)March 31, 2026
12First Trust Advisors L.P.1.92%3.2M$149.6M+101,609 (+3.3%)June 30, 2026
13AllianceBernstein L.P.1.84%3.0M$143.3M−149,924 (−4.7%)June 30, 2026
14T. Rowe Price Associates, Inc.1.66%2.8M$129.7M−159,842 (−5.5%)June 30, 2026
15Impax Asset Management Group PLC1.59%2.6M$123.9M+24,616 (+0.9%)June 30, 2026
16Dimensional Fund Advisors, Inc.1.56%2.6M$122.0M+30,166 (+1.2%)June 30, 2026
17Crescent Grove Advisors, LLC1.42%2.3M$110.6M+1.0M (+76.0%)June 30, 2026
18Delaware Management Holdings Inc1.38%2.3M$107.5M−521,854 (−18.6%)June 30, 2026
19Morgan Stanley - Brokerage Accounts1.31%2.2M$102.4M+378,621 (+21.1%)June 30, 2026
20Charles Schwab Investment Management Inc1.30%2.2M$101.2M+64,725 (+3.1%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 6.3M shares and 7 cut 3.5M.

ZWS top mutual fund and ETF holders

20 largest
Zurn Elkay Water Solutions Corporation top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.30%8.8M$413.8M+1,869 (+0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.04%5.0M$237.5M−5,374 (−0.1%)August 31, 2026
3iShares Russell 2000 ETF2.35%3.9M$183.8M−44,992 (−1.1%)September 30, 2026
4Vanguard Small Cap Index2.14%3.5M$166.8M−101,637 (−2.8%)September 30, 2026
5Vanguard MStar Small Cap Value Index1.39%2.3M$108.6M−8,111 (−0.4%)September 30, 2026
6First Trust RBA Amer Indl RenaisTM ETF1.08%1.8M$84.1M+1,032 (+0.1%)September 30, 2026
7Fidelity Small Cap Index1.00%1.7M$77.7M+12,889 (+0.8%)July 31, 2026
8iShares Russell 2000 Growth ETF0.85%1.4M$66.6M−1,793 (−0.1%)September 30, 2026
9Global X US Infrastructure Dev ETF0.83%1.4M$64.6M+9,720 (+0.7%)September 30, 2026
10iShares S&P Small-Cap 600 Growth ETF0.82%1.4M$64.3M—September 30, 2026
11State Street SPDR Port S&P 600 Sm CpETF0.81%1.3M$63.2M—September 30, 2026
12BNP Paribas Aqua C C0.80%1.3M$62.2M−188 (−0.0%)August 31, 2026
13BNP Paribas Aqua I0.79%1.3M$61.8M−118 (−0.0%)August 31, 2026
14Janus Henderson Triton D0.70%1.2M$55.0M−120,002 (−9.3%)August 31, 2026
15FullerThaler Behavioral Sm-Cp Gr R60.68%1.1M$53.3M+99,200 (+9.6%)March 31, 2026
16iShares Global Water ETF USD Dist0.67%1.1M$52.5M—September 30, 2026
17Virtus KAR Small-Mid Cap Core R60.66%1.1M$51.4M−388,721 (−26.3%)June 30, 2026
18T. Rowe Price New Horizons0.62%1.0M$48.5M−141,100 (−12.1%)September 30, 2026
19First Trust SMID Cp Rising Div Achv ETF0.59%985K$46.3M—September 30, 2026
20Amundi MSCI Water UCITS ETF Dist0.59%982K$46.2M—September 29, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

ZWS insider transactions

latest 20
Zurn Elkay Water Solutions Corporation insider transactions
DateNameTransactionPriceSharesValue
2026-02-17Sudhanshu ChhabraSell$50.852,021$102,768
2026-02-17Timothy J JahnkeSell$51.1825,000$1.3M
2026-02-17Jeffrey J LavalleSell$50.86447$22,734
2026-02-11David J PauliSell$51.61812$41,907
2026-02-11Jeffrey J LavalleSell$51.63946$48,842
2026-02-10David J PauliSell$51.807,639$395,700
2026-02-10Jeffrey J LavalleSell$51.806,097$315,825
2026-02-10Todd A AdamsSell$51.78275,050$14.2M
2026-02-09Todd A AdamsSell$52.68263,347$13.9M
2026-02-04Timothy J JahnkeSell$50.4417,900$902,876
2025-11-10Timothy J JahnkeSell$47.507,461$354,398
2025-11-07Timothy J JahnkeSell$47.5110,539$500,708
2025-10-29Timothy J JahnkeSell$50.002,100$105,000
2025-09-16Timothy J JahnkeSell$47.542,156$102,496
2025-09-12Timothy J JahnkeSell$47.5517,844$848,482
2025-08-12Timothy J JahnkeSell$45.069,857$444,156
2025-08-04Timothy J JahnkeSell$45.00143$6,435
2025-07-31Sudhanshu ChhabraSell$43.61108,930$4.8M
2025-07-31Timothy J JahnkeSell$43.7320,000$874,600
2025-07-30Timothy J JahnkeSell$42.5910,000$425,900

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

ZWS shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ZWS

Institutional investors own 92.7% of Zurn Elkay Water Solutions's shares and insiders 11.62%. The largest holder is BlackRock Inc with 14.81% of the shares (24.6M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 3.80% of the float, or 5.16 days of average trading volume. The share count rose 62.5% since 2014.

Related: ZWS analyst forecast, ZWS key metrics, ZWS dividend history. See the ZWS stock overview for the latest quote and news.

ZWS ownership FAQ

Who owns the most Zurn Elkay Water Solutions stock?

The largest shareholders of Zurn Elkay Water Solutions are BlackRock Inc (14.81%), Vanguard Portfolio Management, LLC (5.42%), Kayne Anderson Rudnick Investment Management LLC (5.36%), Vanguard Capital Management, LLC (4.23%), State Street Corp (3.61%).

What percentage of Zurn Elkay Water Solutions is owned by institutions?

Institutions hold 92.7% of Zurn Elkay Water Solutions's shares outstanding; insiders hold 11.62%.

Which funds own Zurn Elkay Water Solutions?

The largest fund holders of Zurn Elkay Water Solutions are iShares Core S&P Small-Cap ETF (5.30%), Vanguard MStar Total Stk Mkt Idx Invest (3.04%), iShares Russell 2000 ETF (2.35%), Vanguard Small Cap Index (2.14%), Vanguard MStar Small Cap Value Index (1.39%).

What is Zurn Elkay Water Solutions's short interest?

4.6M shares of Zurn Elkay Water Solutions were sold short, 3.80% of the float; at the average daily volume it would take 5.16 days to cover.

Are insiders buying or selling Zurn Elkay Water Solutions?

Of the latest 20 reported insider transactions in Zurn Elkay Water Solutions (since July 30, 2025), 0 were purchases and 20 were sales.

How many shares of Zurn Elkay Water Solutions are outstanding?

Zurn Elkay Water Solutions has 165.9M shares outstanding, of which 147.0M are in the public float.

Pollution & Treatment Controls: ownership