CWST
Casella Waste Systems, Inc. · Industrials · Waste Management
Momentum inputs (comparable managers):
holder breadth +6.7% ·
share flow -0.9% ·
net new positions +6.2%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 116 | +4 | 50.71M | $4.91B | +6 | −1 |
| Q1 2026 | 114 | +2 | 47.51M | $3.77B | +7 | −6 |
| Q4 2025 | 111 | -2 | 52.20M | $5.11B | +2 | −3 |
| Q3 2025 | 17 | -1 | 20.88M | $1.98B | — | −2 |
| Q2 2025 | 16 | +1 | 15.79M | $1.82B | +2 | −1 |
| Q1 2025 | 12 | +1 | 5.21M | $581.18M | +1 | — |
| Q4 2024 | 11 | -1 | 5.76M | $609.00M | — | −1 |
| Q3 2024 | 11 | 0 | 4.70M | $467.14M | +1 | −1 |
| Q2 2024 | 11 | — | 3.89M | $386.42M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 6.07M | — | $700.35M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 6.07M | — | $700.35M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 6.07M | — | $700.35M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 6.07M | — | $700.35M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 6.07M | — | $700.35M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 4.65M | — | $536.00M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 1.50M | +0.8% | $173.10M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 1.50M | +0.8% | $173.10M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 1.43M | -0.3% | $165.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | Wellington Management ✦ | 1.07M | -22.0% | $123.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 24 | Wellington Management ✦ | 1.07M | -22.0% | $123.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 25 | Wellington Management ✦ | 1.07M | -22.0% | $123.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 26 | Wellington Management ✦ | 1.07M | -22.0% | $123.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 27 | Wellington Management ✦ | 1.07M | -22.0% | $123.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 28 | Norges Bank ✦ (passive) | 484.90K | +15.0% | $55.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | T. Rowe Price ✦ | 289.75K | +1.4% | $33.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | T. Rowe Price ✦ | 289.75K | +1.4% | $33.43M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | GAMCO Investors ✦ | 99.20K | 0.0% | $11.45M | 0.1% | Held | 5 | SEC ↗ |
| 32 | D. E. Shaw & Co. ✦ | 62.00K | New | $7.15M | 0.0% | New | 1 | SEC ↗ |
| 33 | Millennium Management ✦ | 46.94K | +115.7% | $5.42M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 34 | Fisher Asset Management ✦ | 26.58K | -0.1% | $3.07M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | Renaissance Technologies ✦ | 19.00K | -50.1% | $2.19M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | Citadel Advisors ✦ | 15.62K | New | $1.80M | 0.0% | New | 1 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 10.99K | +18.4% | $1.27M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 10.99K | +18.4% | $1.27M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 10.99K | +18.4% | $1.27M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 10.99K | +18.4% | $1.27M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 10.99K | +18.4% | $1.27M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 42 | Fidelity (FMR) ✦ | 8.21K | — | $947,806 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Fidelity (FMR) ✦ | 8.21K | — | $947,806 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Two Sigma Investments ✦ | 3.63K | -24.4% | $418,945 | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| D. E. Shaw & Co. | $7.15M | 0.0% |
| Citadel Advisors | $1.80M | 0.0% |
Exited
| Marshall Wace | $276,991 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 399 holders, 72.80M shares, $5.57B 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 1.34K sh · $122,374
Officer, Director · 1.84K sh · $167,056
Officer, Director · 13.32K sh · $1.21M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology