ERII
Energy Recovery, Inc. · Industrials · Industrial - Pollution & Treatment Controls
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +10.6% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 81 | +2 | 33.13M | $298.77M | +10 | −8 |
| Q1 2026 | 82 | +4 | 32.96M | $331.95M | +11 | −7 |
| Q4 2025 | 78 | 0 | 33.33M | $449.55M | — | — |
| Q3 2025 | 17 | +1 | 15.90M | $245.23M | +1 | — |
| Q2 2025 | 13 | -2 | 12.94M | $165.36M | — | −2 |
| Q1 2025 | 12 | -1 | 5.18M | $82.24M | +1 | −2 |
| Q4 2024 | 13 | +5 | 5.21M | $76.55M | +5 | — |
| Q3 2024 | 7 | -1 | 3.26M | $56.62M | +1 | −2 |
| Q2 2024 | 8 | — | 2.95M | $39.27M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.45M | — | $21.32M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.36M | -0.1% | $19.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.36M | -0.1% | $19.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Baillie Gifford ✦ | 1.12M | +27.8% | $16.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Baillie Gifford ✦ | 1.12M | +27.8% | $16.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Baillie Gifford ✦ | 1.12M | +27.8% | $16.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Baillie Gifford ✦ | 1.12M | +27.8% | $16.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | D. E. Shaw & Co. ✦ | 379.42K | -17.8% | $5.58M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 379.42K | -17.8% | $5.58M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Renaissance Technologies ✦ | 190.40K | New | $2.80M | 0.0% | New | 1 | SEC ↗ |
| 11 | Marshall Wace ✦ | 177.63K | New | $2.61M | 0.0% | New | 1 | SEC ↗ |
| 12 | Marshall Wace ✦ | 177.63K | New | $2.61M | 0.0% | New | 1 | SEC ↗ |
| 13 | Wellington Management ✦ | 146.02K | -47.3% | $2.15M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 14 | Wellington Management ✦ | 146.02K | -47.3% | $2.15M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | Millennium Management ✦ | 134.04K | New | $1.97M | 0.0% | New | 1 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 87.74K | -35.0% | $1.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 87.74K | -35.0% | $1.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 87.74K | -35.0% | $1.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 87.74K | -35.0% | $1.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Point72 Asset Management ✦ | 61.85K | New | $909,212 | 0.0% | New | 1 | SEC ↗ |
| 21 | Citadel Advisors ✦ | 47.88K | -57.4% | $703,881 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | Citadel Advisors ✦ | 47.88K | -57.4% | $703,881 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | T. Rowe Price ✦ | 38.27K | +9.6% | $563,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | Two Sigma Investments ✦ | 15.56K | New | $228,806 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $2.80M | 0.0% |
| Marshall Wace | $2.61M | 0.0% |
| Marshall Wace | $2.61M | 0.0% |
| Millennium Management | $1.97M | 0.0% |
| Point72 Asset Management | $909,212 | 0.0% |
| Two Sigma Investments | $228,806 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 195 holders, 44.28M shares, $436.20M 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.