Institutional ownership · Form 13F
ZWS institutional ownership
Zurn Elkay Water Solutions Corp: reported institutional holdings as of 2026-06-30 (filed through 2026-08-31), aggregated by StockEyes from SEC Form 13F information tables. ZWS is one of 2732 tickers in the validated publication set. Mapping coverage in this publication set: 4562 of 6046 universe tickers have at least one validated CUSIP mapping (75.5%). Latest-quarter filed value resolved to any listed ticker: 77.3%; resolved to this universe: 77.2%.
ZWS: change since the prior quarter's filings
More managers reported a position, with the count rising from 420 in the quarter ended 2026-03-31 to 436 in the quarter ended 2026-06-30 (+16, 3.8%). Total reported shares rose to 148,261,118 (+1,210,778, 0.8%), moving the same way as the manager count. Among the 25 managers listed as top holders in both quarters, the largest increases were Crescent Grove Advisors, LLC (+1,014,788 shares) and BlackRock, Inc. (+540,082 shares), among 17 managers who added shares, and the largest decreases were KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC (-1,958,233 shares) and NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (-521,854 shares), among 8 managers who reduced shares. Jupiter Topco LLC (3,409,405 shares), NORGES BANK (2,096,197 shares) and 3 more entered the listed top holders; JANUS HENDERSON GROUP PLC (3,303,293 shares in the prior quarter), GOLDMAN SACHS GROUP INC (1,901,935 shares in the prior quarter) and 3 more dropped out of the listed top holders.
New to 13F data? Read how to read a 13F filing, or see where institutions moved overall in the Smart Money Report.
Reported totals, quarter ended 2026-06-30
436 reporting managers held 148,261,118 shares, reported value $7,188,000,580 exactly as filed. Values are position values transcribed from the filings, not current market prices.
Reported quarter-over-quarter change (quarter ended 2026-03-31 to quarter ended 2026-06-30): reporting managers +16, reported shares +1,210,778 (+0.82%), reported value +13.98%. These changes compare two filing snapshots.
Shares outstanding cross-check: no current issuer share-count point passed the freshness filter for this ticker, so the gate relied on holder-count and scale checks. See the hub methodology.
ZWS in this quarter's filings
Concentration check: the largest reported position, BlackRock, Inc. with 24,566,503 shares, is 16.6% of all shares reported for ZWS this quarter. The five largest reporting managers together account for 37.4% of the reported total, so the headline total is spread across a broad manager base rather than a few holders.
Reported quarter-over-quarter change: the reporting-manager count rose by 16 versus the quarter ended 2026-03-31, and reported shares moved +0.82% (+1,210,778 shares). That is a comparison of two filing snapshots, not a record of trades on any single day.
Shares-outstanding cross-check: no current issuer share-count point passed the freshness filter for ZWS, so the publication gate relied on holder-count scale, current-CUSIP validation, and quarter consistency for this ticker.
Largest reporting managers, ZWS
| # | Manager | Shares | Value as filed | Share of reported total |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | 24,566,503 | $1,241,345,379 | 16.6% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8,988,098 | $454,168,592 | 6.1% |
| 3 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 8,892,334 | $449,329,662 | 6.0% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 7,014,394 | $354,437,329 | 4.7% |
| 5 | STATE STREET CORP | 5,986,944 | $302,520,280 | 4.0% |
| 6 | BANK OF AMERICA CORP /DE/ | 5,504,857 | $278,160,432 | 3.7% |
| 7 | Invesco Ltd. | 4,649,274 | $234,927,814 | 3.1% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 3,842,182 | $194,180,492 | 2.6% |
| 9 | BECK MACK & OLIVER LLC | 3,431,406 | $173,388,945 | 2.3% |
| 10 | Jupiter Topco LLC | 3,409,405 | $172,287,141 | 2.3% |
| 11 | FIRST TRUST ADVISORS LP | 3,179,833 | $160,676,970 | 2.1% |
| 12 | ALLIANCEBERNSTEIN L.P. | 3,045,939 | $136,579,905 | 2.1% |
| 13 | Impax Asset Management Group plc | 2,633,758 | $133,083,792 | 1.8% |
| 14 | DIMENSIONAL FUND ADVISORS LP | 2,593,197 | $131,027,279 | 1.7% |
| 15 | Crescent Grove Advisors, LLC | 2,349,563 | $118,723,418 | 1.6% |
Manager names and figures are transcribed from each manager's own Form 13F information table. A manager listing shares in this snapshot does not mean it holds them today.
Reported change, 2026-03-31 to 2026-06-30
| Quarter ended | Filed through | Reporting managers | Reported shares | Value as filed |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-29 | 420 | 147,050,340 | $6,306,641,054 |
| 2026-06-30 | 2026-08-31 | 436 | 148,261,118 | $7,188,000,580 |
Every change figure on this page is a reported quarter-over-quarter change between filing snapshots. It is not real-time trading activity.
ZWS reported totals over time
Quarter ended 2026-06-30: 436 reporting managers · 148,261,118 reported shares · $7,188,000,580 value as filed.
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Quarter-end 13F filed data, long positions only; filings arrive up to 45 days after quarter end.
CUSIPs behind the ZWS total
The validated bridge mapped 1 current CUSIP(s) to ZWS for this quarter: 98983L108. Option pseudo-CUSIPs, units, warrants, and preferred classes are excluded from these common-share totals. Mapping coverage in this publication set: 4562 of 6046 universe tickers have at least one validated CUSIP mapping (75.5%). Latest-quarter filed value resolved to any listed ticker: 77.3%; resolved to this universe: 77.2%.
What this page is and is not
Form 13F reports are quarterly holdings snapshots. Managers file up to about 45 days after quarter-end, so these figures describe reported positions as of the quarter-end date, not holdings today. 13F lists reportable long positions from managers above the SEC reporting threshold and omits short positions entirely.
This page is informational only. It is not investment advice, a recommendation, or a signal to buy or sell. Source: SEC Form 13F bulk data set for filings through 2026-08-31 (period ended 2026-06-30), joined to tickers through StockEyes' validated CUSIP bridge. Methodology and coverage are documented on the institutional ownership hub.
Insider transactions for ZWS (officer and director buys and sells) are covered by InsiderTrace: insidertrace.com/stock/zws. StockEyes does not duplicate insider transaction tables.
Related StockEyes pages
Latest headlines tagged ZWS are on the market news wire. Upcoming earnings and market dates are on the events calendar. The term itself is defined in the institutional investor glossary entry, and the research workflow behind pages like this one is walked through in how to research a stock and how to compare SEC filings.