Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ZWS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 24.0M | $1.08B | +1.2% | 14.341% | 0.02% |
| 2 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 10.9M | $486.5M | -10.3% | 6.476% | 1.43% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.9M | $397.1M | — | 5.286% | 0.02% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 7.0M | $313.3M | — | 4.170% | 0.01% |
| 5 | STATE STREET CORP | 5.6M | $252.7M | +3.4% | 3.364% | 0.01% |
| 6 | BANK OF AMERICA CORP /DE/ | 5.6M | $252.0M | -6.5% | 3.355% | 0.02% |
| 7 | Invesco Ltd. | 4.6M | $206.4M | -18.2% | 2.748% | 0.03% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 3.6M | $163.5M | +2.9% | 2.176% | 0.01% |
| 9 | BECK MACK & OLIVER LLC | 3.5M | $156.8M | -2.5% | 2.088% | 3.23% |
| 10 | ALLIANCEBERNSTEIN L.P. | 3.2M | $148.6M | -8.9% | 1.908% | 0.05% |
| 11 | JANUS HENDERSON GROUP PLC | 3.3M | $148.1M | -13.3% | 1.972% | 0.07% |
| 12 | FIRST TRUST ADVISORS LP | 3.1M | $138.0M | -6.8% | 1.837% | 0.10% |
| 13 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 2.8M | $125.8M | -12.1% | 1.675% | 0.22% |
| 14 | Impax Asset Management Group plc | 2.6M | $117.0M | -10.7% | 1.557% | 0.82% |
| 15 | DIMENSIONAL FUND ADVISORS LP | 2.6M | $114.9M | +0.3% | 1.530% | 0.02% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1M | $93.5M | +0.5% | 1.245% | 0.01% |
| 17 | WELLS FARGO & COMPANY/MN | 1.9M | $85.5M | -16.9% | 1.138% | 0.02% |
| 18 | GOLDMAN SACHS GROUP INC | 1.9M | $85.3M | +109.7% | 1.135% | 0.01% |
| 19 | MORGAN STANLEY | 1.8M | $80.6M | -4.4% | 1.073% | 0.00% |
| 20 | FULLER & THALER ASSET MANAGEMENT, INC. | 1.8M | $79.6M | +6.0% | 1.059% | 0.27% |
| 21 | NORTHERN TRUST CORP | 1.7M | $75.2M | -0.1% | 1.001% | 0.01% |
| 22 | RAYMOND JAMES FINANCIAL INC | 1.5M | $66.1M | -15.0% | 0.886% | 0.02% |
| 23 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1.3M | $60.4M | +6.6% | 0.804% | 0.08% |
| 24 | Crescent Grove Advisors, LLC | 1.3M | $59.9M | -42.6% | 0.797% | 5.76% |
| 25 | AMERIPRISE FINANCIAL INC | 1.2M | $55.9M | +3.2% | 0.745% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ZWS — a direct measure of their conviction.
Filings activity in ZWS during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 412 | +8.7% | 77.25% | 4.89 pp | $6.26B | 6.0% |
| Q4 2025 | 379 | +5.0% | 82.14% | 3.15 pp | $6.66B | 3.7% |
| Q3 2025 | 361 | +6.5% | 85.29% | +18.04 pp | $6.91B | +27% |
| Q2 2025 | 339 | 0.9% | 67.25% | +7.18 pp | $5.45B | +12% |
| Q1 2025 | 342 | +6.9% | 60.07% | 6.38 pp | $4.87B | 9.6% |
| Q4 2024 | 320 | +8.8% | 66.45% | +0.61 pp | $5.39B | +0.9% |
| Q3 2024 | 294 | +0.3% | 65.84% | +17.18 pp | $5.34B | +35% |
| Q2 2024 | 293 | — | 48.66% | — | $3.94B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ZWS stock.
Based on Q1 2026 13F filings, institutional ownership of Zurn Elkay Water Solutions Corporation stands at 77.3%, held across 412 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ZWS, with approximately 24,026,421 shares worth $1.08B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of ZWS.
Our composite Smart Money Score for ZWS is 35 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
77 institutions opened new positions in ZWS during Q1 2026, while 44 fully exited. 113 added to existing positions and 222 trimmed.
ZWS institutional ownership fell by 4.89 percentage points quarter-over-quarter, with a net change of +33 holders.
The top 10 institutions account for 55.2% of all reported 13F value in ZWS, and the top 25 account for 77.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Zurn Elkay Water Solutions Corporation (ZWS) Institutional Ownership