Security record · archived quarter
CWST
Casella Waste Systems, Inc. · Industrials · Waste Management
111Tracked holders
-2Δ holders
52.20MShares held
$5.11BReported value
+2New positions
−3Exits
Momentum inputs (comparable managers):
holder breadth -1.8% ·
share flow +9.8% ·
net new positions -0.9%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| 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 | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 9.06M | +98.4% | $887.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 6.57M | +9.7% | $643.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 6.57M | +9.7% | $643.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 6.57M | +9.7% | $643.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 6.57M | +9.7% | $643.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 6.57M | +9.7% | $643.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Invesco Ltd. | 2.70M | — | $264.82M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Capital Research Global Investors | 2.49M | — | $243.68M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | State Street Global Advisors ✦ (passive) | 2.31M | +60.8% | $225.93M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | Capital International Investors | 2.00M | — | $195.72M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Geode Capital Management ✦ (passive) | 1.54M | +0.4% | $150.73M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 35 | Geode Capital Management ✦ (passive) | 1.54M | +0.4% | $150.73M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 1.46M | -55.8% | $143.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 1.46M | -55.8% | $143.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 1.46M | -55.8% | $143.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 1.46M | -55.8% | $143.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 1.46M | -55.8% | $143.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 1.46M | -55.8% | $143.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 1.46M | -55.8% | $143.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 1.36M | +61.9% | $133.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Wellington Management ✦ | 1.31M | -6.0% | $128.03M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 53 | Wellington Management ✦ | 1.31M | -6.0% | $128.03M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 54 | Wellington Management ✦ | 1.31M | -6.0% | $128.03M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 55 | Wellington Management ✦ | 1.31M | -6.0% | $128.03M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 56 | Wellington Management ✦ | 1.31M | -6.0% | $128.03M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 57 | Neuberger Berman Group LLC | 1.05M | — | $102.39M | 0.1% | n/c | 1 | SEC ↗ |
| 58 | Neuberger Berman Group LLC | 1.05M | — | $102.39M | 0.1% | n/c | 1 | SEC ↗ |
| 59 | Dimensional Fund Advisors Lp | 1.04M | — | $101.44M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Dimensional Fund Advisors Lp | 1.04M | — | $101.44M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Dimensional Fund Advisors Lp | 1.04M | — | $101.44M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Dimensional Fund Advisors Lp | 1.04M | — | $101.44M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Dimensional Fund Advisors Lp | 1.04M | — | $101.44M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Pictet Asset Management Holding SA | 990.65K | — | $97.04M | 0.1% | n/c | 1 | SEC ↗ |
| 65 | Nomura Asset Management… | 943.15K | — | $92.37M | 0.1% | n/c | 1 | SEC ↗ |
| 66 | Goldman Sachs Group ✦ | 899.38K | +1.4% | $88.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Goldman Sachs Group ✦ | 899.38K | +1.4% | $88.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Goldman Sachs Group ✦ | 899.38K | +1.4% | $88.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | UBS Group AG | 841.90K | — | $82.46M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | UBS Group AG | 841.90K | — | $82.46M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | UBS Group AG | 841.90K | — | $82.46M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | UBS Group AG | 841.90K | — | $82.46M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Ameriprise Financial Inc | 764.06K | — | $74.84M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Ameriprise Financial Inc | 764.06K | — | $74.84M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Ameriprise Financial Inc | 764.06K | — | $74.84M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Ameriprise Financial Inc | 764.06K | — | $74.84M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Clearbridge Investments, LLC | 750.86K | — | $73.54M | 0.1% | n/c | 1 | SEC ↗ |
| 78 | Northern Trust Corp | 709.87K | — | $69.52M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Northern Trust Corp | 709.87K | — | $69.52M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Northern Trust Corp | 709.87K | — | $69.52M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Northern Trust Corp | 709.87K | — | $69.52M | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Northern Trust Corp | 709.87K | — | $69.52M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Northern Trust Corp | 709.87K | — | $69.52M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Northern Trust Corp | 709.87K | — | $69.52M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Allspring Global Investments… | 699.62K | — | $69.02M | 0.1% | n/c | 1 | SEC ↗ |
| 86 | Allspring Global Investments… | 699.62K | — | $69.02M | 0.1% | n/c | 1 | SEC ↗ |
| 87 | Allspring Global Investments… | 699.62K | — | $69.02M | 0.1% | n/c | 1 | SEC ↗ |
| 88 | Voya Investment Management Llc | 686.51K | — | $67.24M | 0.1% | n/c | 1 | SEC ↗ |
| 89 | Voya Investment Management Llc | 686.51K | — | $67.24M | 0.1% | n/c | 1 | SEC ↗ |
| 90 | Voya Investment Management Llc | 686.51K | — | $67.24M | 0.1% | n/c | 1 | SEC ↗ |
| 91 | Charles Schwab Investment… | 672.76K | — | $65.89M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Brown Advisory Inc | 662.63K | — | $64.90M | 0.1% | n/c | 1 | SEC ↗ |
| 93 | Brown Advisory Inc | 662.63K | — | $64.90M | 0.1% | n/c | 1 | SEC ↗ |
| 94 | Brown Advisory Inc | 662.63K | — | $64.90M | 0.1% | n/c | 1 | SEC ↗ |
| 95 | Brown Advisory Inc | 662.63K | — | $64.90M | 0.1% | n/c | 1 | SEC ↗ |
| 96 | Loomis Sayles & Co L P | 651.26K | — | $63.78M | 0.1% | n/c | 1 | SEC ↗ |
| 97 | Loomis Sayles & Co L P | 651.26K | — | $63.78M | 0.1% | n/c | 1 | SEC ↗ |
| 98 | Bank Of America Corp /De/ | 615.10K | — | $60.24M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Bank Of America Corp /De/ | 615.10K | — | $60.24M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Bank Of America Corp /De/ | 615.10K | — | $60.24M | 0.0% | n/c | 1 | 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
| Millennium Management | $11.36M | was 0.0% |
| Renaissance Technologies | $6.51M | was 0.0% |
| D. E. Shaw & Co. | $4.63M | 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.
Frequently co-owned
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)
Aug 14
CASELLA DOUGLAS R
Officer, Director · 1.34K sh · $122,374
Aug 13
CASELLA DOUGLAS R
Officer, Director · 1.84K sh · $167,056
Aug 13
CASELLA DOUGLAS R
Officer, Director · 13.32K sh · $1.21M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 09
SC 13G — WASATCH ADVISORS LP
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: Q4 2025 ·
Methodology ·
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