Security record · archived quarter
ERII
Energy Recovery, Inc. · Industrials · Industrial - Pollution & Treatment Controls
82Tracked holders
+4Δ holders
32.96MShares held
$331.95MReported value
+11New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth +5.1% ·
share flow +4.0% ·
net new positions +4.9%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| 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 | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 6.09M | -3.9% | $61.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | Ameriprise Financial Inc | 5.26M | +15.3% | $52.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | Ameriprise Financial Inc | 5.26M | +15.3% | $52.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Ameriprise Financial Inc | 5.26M | +15.3% | $52.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | Ameriprise Financial Inc | 5.26M | +15.3% | $52.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Amundi | 3.74M | +31.2% | $37.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Amundi | 3.74M | +31.2% | $37.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Amundi | 3.74M | +31.2% | $37.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Vanguard Capital Management Llc | 2.23M | — | $22.46M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | FIL Ltd | 1.99M | -0.3% | $20.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | FIL Ltd | 1.99M | -0.3% | $20.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 26 | Legal & General Group Plc | 1.90M | +41.6% | $19.16M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Legal & General Group Plc | 1.90M | +41.6% | $19.16M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Legal & General Group Plc | 1.90M | +41.6% | $19.16M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | State Street Global Advisors ✦ (passive) | 1.77M | +0.5% | $17.85M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 1.30M | +2.7% | $13.04M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 1.30M | +2.7% | $13.04M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 877.43K | -7.6% | $8.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 33 | Dimensional Fund Advisors Lp | 877.43K | -7.6% | $8.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | Dimensional Fund Advisors Lp | 877.43K | -7.6% | $8.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 35 | Dimensional Fund Advisors Lp | 877.43K | -7.6% | $8.84M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 36 | Invesco Ltd. | 826.30K | +10.8% | $8.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Invesco Ltd. | 826.30K | +10.8% | $8.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Invesco Ltd. | 826.30K | +10.8% | $8.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Invesco Ltd. | 826.30K | +10.8% | $8.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Invesco Ltd. | 826.30K | +10.8% | $8.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 792.69K | -18.6% | $7.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 792.69K | -18.6% | $7.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 792.69K | -18.6% | $7.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 792.69K | -18.6% | $7.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 792.69K | -18.6% | $7.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 792.69K | -18.6% | $7.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 792.69K | -18.6% | $7.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 792.69K | -18.6% | $7.98M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Arrowstreet Capital ✦ | 514.10K | +47.6% | $5.18M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 50 | Goldman Sachs Group ✦ | 468.54K | -22.8% | $4.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Goldman Sachs Group ✦ | 468.54K | -22.8% | $4.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | Northern Trust Corp | 450.44K | +2.8% | $4.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Northern Trust Corp | 450.44K | +2.8% | $4.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Northern Trust Corp | 450.44K | +2.8% | $4.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Northern Trust Corp | 450.44K | +2.8% | $4.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Northern Trust Corp | 450.44K | +2.8% | $4.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Northern Trust Corp | 450.44K | +2.8% | $4.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Citadel Advisors ✦ | 449.44K | +7.4% | $4.53M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 59 | Citadel Advisors ✦ | 449.44K | +7.4% | $4.53M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 60 | Charles Schwab Investment… | 431.29K | -3.0% | $4.34M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Millennium Management ✦ | 322.34K | +65.7% | $3.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 62 | Bnp Paribas Financial Markets | 270.95K | +133.4% | $2.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Fidelity (FMR) ✦ | 250.58K | +0.1% | $2.52M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 64 | Fidelity (FMR) ✦ | 250.58K | +0.1% | $2.52M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 65 | Fidelity (FMR) ✦ | 250.58K | +0.1% | $2.52M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 66 | Fidelity (FMR) ✦ | 250.58K | +0.1% | $2.52M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 67 | UBS AM, a distinct business unit of… | 165.71K | +3.8% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | UBS AM, a distinct business unit of… | 165.71K | +3.8% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | UBS AM, a distinct business unit of… | 165.71K | +3.8% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | UBS AM, a distinct business unit of… | 165.71K | +3.8% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | UBS AM, a distinct business unit of… | 165.71K | +3.8% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | UBS AM, a distinct business unit of… | 165.71K | +3.8% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | UBS AM, a distinct business unit of… | 165.71K | +3.8% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | UBS AM, a distinct business unit of… | 165.71K | +3.8% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Nuveen, LLC | 164.49K | -0.1% | $1.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Nuveen, LLC | 164.49K | -0.1% | $1.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Bank of New York Mellon Corp | 148.77K | -3.9% | $1.50M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Bank of New York Mellon Corp | 148.77K | -3.9% | $1.50M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Bank of New York Mellon Corp | 148.77K | -3.9% | $1.50M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Renaissance Technologies ✦ | 144.26K | +40.1% | $1.45M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 81 | Deutsche Bank Ag\ | 139.60K | -18.5% | $1.41M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Deutsche Bank Ag\ | 139.60K | -18.5% | $1.41M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Deutsche Bank Ag\ | 139.60K | -18.5% | $1.41M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Jane Street Group, Llc | 135.47K | +21.3% | $1.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Jane Street Group, Llc | 135.47K | +21.3% | $1.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Jane Street Group, Llc | 135.47K | +21.3% | $1.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | UBS Group AG | 125.94K | +23.7% | $1.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | UBS Group AG | 125.94K | +23.7% | $1.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | UBS Group AG | 125.94K | +23.7% | $1.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | UBS Group AG | 125.94K | +23.7% | $1.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Hsbc Holdings Plc | 110.81K | -14.8% | $1.10M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 92 | Hsbc Holdings Plc | 110.81K | -14.8% | $1.10M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Marshall Wace ✦ | 106.30K | -2.8% | $1.07M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 94 | Marshall Wace ✦ | 106.30K | -2.8% | $1.07M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 95 | Swiss National Bank | 105.00K | 0.0% | $1.06M | 0.0% | Held | 2 | SEC ↗ |
| 96 | Nordea Investment Management Ab | 105.56K | -7.2% | $1.04M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Nordea Investment Management Ab | 105.56K | -7.2% | $1.04M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Two Sigma Investments ✦ | 88.90K | New | $895,213 | 0.0% | New | 1 | SEC ↗ |
| 99 | Hrt Financial Lp | 76.50K | New | $770,000 | 0.0% | New | 1 | SEC ↗ |
| 100 | Susquehanna International Group, Llp | 72.74K | +366.6% | $732,522 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $895,213 | 0.0% |
| Hrt Financial Lp | $770,000 | 0.0% |
Exited
| Qube Research & Technologies… | $5.20M | was 0.0% |
| Wellington Management | $4.06M | was 0.0% |
| Assenagon Asset Management… | $2.97M | was 0.0% |
| Connor, Clark & Lunn… | $464,123 | was 0.0% |
| Bank Of Montreal /Can/ | $453,062 | was 0.0% |
| DZ BANK AG Deutsche Zentral… | $193,447 | was 0.0% |
| Wealth Enhancement Advisory… | $181,836 | was 0.0% |
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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
Get this via the API