The cluster is small relative to WTS's typical daily volume and market cap, so the signal is modest. Watch for any subsequent 13F filings or insider Form 4 activity that could corroborate the thesis. If the buying continues into Q4 2026, it would strengthen the conviction signal.
Executive Summary
Four asset managers increased their WTS positions in Q3 2026, with Robeco and Wealth Enhancement roughly doubling their stakes. Total institutional buying reached $7.0M net, with no tracked sellers. The cluster is small in absolute dollar terms and dominated by active managers, suggesting a shared thesis around Watts Water's fundamentals or valuation, but the 45-day reporting lag and modest aggregate size limit the signal's immediacy.
Key Financial Metrics
Institutional Positions
Net institutional flow: $7.0M
▲ Buyers (4)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Wealth Enhancement Advisory Services | DOUBLED | +111.2% | $1.3M | $689.0K |
| Assenagon Asset Management | ADD | +47.8% | $5.6M | $1.4M |
| Concurrent Investment Advisors | ADD | +28.5% | $891.0K | $125.0K |
| Robeco Institutional Asset Management B.v. | DOUBLED | +1981.6% | $5.1M | $4.8M |
Key Facts
- 4 tracked institutions added WTS positions in Q3 2026, with 0 sellers
- Net institutional buying totaled $7.0M, bringing aggregate holdings to $12.9M
- Robeco Institutional Asset Management nearly doubled its stake (+1981.6% shares, from 685 to 14,260 shares)
- Wealth Enhancement Advisory Services doubled its position (+111.2% shares, from 1,800 to 3,800 shares)
- All four buyers are active asset managers, not passive/index funds
Financial Impact
4 institutions accumulated $7.0M in net new WTS positions during Q3 2026, with aggregate holdings rising to $12.9M
Risk Factors
- 13F data is 45+ days stale; positions may have been unwound since quarter-end
- Aggregate dollar amount ($7.0M) is small relative to WTS's market cap (~$5B), limiting market impact
- No insider buying or other cross-filing context to corroborate the institutional thesis
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-WTS-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 21, 2026 5d ago | SC 13G/A | $363.40 $356.94 | ▼ −1.78% | ▼ −0.60% | — |
Oct 20, 2026 6d ago | Institutional Cluster | $363.40 $356.94 | ▼ −1.78% | ▼ −0.60% | — |
Oct 1, 2026 25d ago | 8-K | $359.49 $363.07 | ▲ +1.00% | ▲ +0.26% | — |
Sep 8, 2026 6w ago | Insider Cluster | $360.98 $356.29 | ▼ −1.30% | ▼ −0.83% | — |
May 6, 2026 24w ago | 8-K | $294.14 $296.90 | ▲ +0.94% | ▲ +0.11% | — |
Apr 1, 2026 29w ago | DEFA14A | $293.01 $288.92 | ▼ −1.40% | ▼ −1.48% | — |
Mar 12, 2026 32w ago | Insider Cluster | $303.28 $297.80 | ▼ −1.81% | ▼ −1.21% | — |
US Market Status
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