WAT
Waters Corporation · Healthcare · Medical - Diagnostics & Research
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow +3.9% ·
net new positions -7.1%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 162 | +2 | 70.18M | $26.88B | +7 | −5 |
| 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 | — |
| Q1 2025 | 14 | -1 | 6.37M | $2.34B | — | −1 |
| Q4 2024 | 15 | +1 | 6.13M | $2.27B | +1 | — |
| Q3 2024 | 13 | -2 | 2.92M | $1.05B | +1 | −3 |
| Q2 2024 | 15 | — | 2.95M | $853.36M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 2.64M | +1.4% | $972.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.51M | +4.0% | $554.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.51M | +4.0% | $554.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Norges Bank ✦ (passive) | 817.96K | +6.7% | $301.47M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | Wellington Management ✦ | 572.82K | +93.3% | $211.13M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Wellington Management ✦ | 572.82K | +93.3% | $211.13M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Wellington Management ✦ | 572.82K | +93.3% | $211.13M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | Wellington Management ✦ | 572.82K | +93.3% | $211.13M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Marshall Wace ✦ | 350.26K | +15.6% | $129.09M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 10 | Marshall Wace ✦ | 350.26K | +15.6% | $129.09M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 11 | Marshall Wace ✦ | 350.26K | +15.6% | $129.09M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 101.13K | +323.6% | $36.46M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 101.13K | +323.6% | $36.46M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 101.13K | +323.6% | $36.46M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 101.13K | +323.6% | $36.46M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 101.13K | +323.6% | $36.46M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | Two Sigma Investments ✦ | 93.27K | -16.2% | $34.38M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 85.91K | +2.1% | $31.66M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | T. Rowe Price ✦ | 85.91K | +2.1% | $31.66M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | PRIMECAP Management ✦ | 68.90K | -0.2% | $25.39M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | Adage Capital Partners ✦ | 54.16K | -2.3% | $19.96M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | Gotham Asset Management ✦ | 46.30K | +7.6% | $17.07M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 23 | Citadel Advisors ✦ | 15.20K | +767.0% | $5.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | Millennium Management ✦ | 7.90K | -97.4% | $2.91M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 25 | D. E. Shaw & Co. ✦ | 3.55K | -62.8% | $1.31M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 26 | D. E. Shaw & Co. ✦ | 3.55K | -62.8% | $1.31M | 0.0% | ▼ Trim | 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
| Arrowstreet Capital | $2.46M | was 0.0% |
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.