WAT
Waters Corporation · Healthcare · Medical - Diagnostics & Research
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 181.83K | $78.81M | n/a | n/a |
| Q2 2026 | 160 | +2 | 69.70M | $26.70B | +7 | −7 |
| Q1 2026 | 163 | +5 | 66.62M | $20.68B | +11 | −7 |
| Q4 2025 | 157 | -1 | 42.72M | $16.21B | +1 | −1 |
| Q3 2025 | 21 | +1 | 20.77M | $6.22B | +2 | −2 |
| Q2 2025 | 18 | +1 | 20.33M | $7.10B | +1 | n/a |
| Q1 2025 | 14 | -1 | 6.37M | $2.34B | n/a | −1 |
| Q4 2024 | 15 | +1 | 6.13M | $2.27B | +1 | n/a |
| Q3 2024 | 13 | -2 | 2.92M | $1.05B | +1 | −3 |
| Q2 2024 | 15 | n/a | 2.95M | $853.36M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | 140.20K | -46.1% | $61.60M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 2 | TD Waterhouse Canada Inc. | 25.14K | -2.3% | $10.70M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | Wealth Enhancement Advisory… | 16.50K | +4.7% | $6.51M | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,162 holders, 92.59M shares, $26.09B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.