Mario Gabelli's CWST Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 99,200 shares of Casella Waste Systems, Inc. (CWST) worth $9.72 M, representing 0.09% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 quarters.
Based on 13F filings since 2013, Mario Gabelli has maintained a long-term strategic position in CWST, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2015, adding 19,000 shares. Largest reduction occurred in Q4 2021, reducing 18,000 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Casella Waste Systems (CWST) Holding Value Over Time
Track share changes against reported price movement
Quarterly Casella Waste Systems (CWST) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2024 | -500 | Reduce 0.50% | 99,200 | $105.81 |
| Q2 2024 | -1,200 | Reduce 1.19% | 99,700 | $99.22 |
| Q1 2024 | -1,000 | Reduce 0.98% | 100,900 | $98.87 |
| Q3 2023 | -4,000 | Reduce 3.78% | 101,900 | $76.30 |
| Q2 2023 | -8,100 | Reduce 7.11% | 105,900 | $90.45 |
| Q1 2023 | -4,000 | Reduce 3.39% | 114,000 | $82.66 |
| Q4 2022 | -7,000 | Reduce 5.60% | 118,000 | $79.31 |
| Q3 2022 | -4,900 | Reduce 3.77% | 125,000 | $76.39 |
| Q2 2022 | -2,700 | Reduce 2.04% | 129,900 | $72.68 |
| Q1 2022 | -2,000 | Reduce 1.49% | 132,600 | $87.65 |
| Q4 2021 | -18,000 | Reduce 11.80% | 134,600 | $85.42 |
| Q3 2021 | -2,000 | Reduce 1.29% | 152,600 | $75.94 |
| Q2 2021 | -3,000 | Reduce 1.90% | 154,600 | $63.43 |
| Q4 2020 | -9,000 | Reduce 5.40% | 157,600 | $61.95 |
| Q3 2020 | -3,600 | Reduce 2.12% | 166,600 | $55.85 |
| Q2 2020 | -1,400 | Reduce 0.82% | 170,200 | $52.12 |
| Q1 2020 | -1,300 | Reduce 0.75% | 171,600 | $39.06 |
| Q2 2019 | -1,400 | Reduce 0.80% | 172,900 | $39.63 |
| Q4 2018 | -4,000 | Reduce 2.24% | 174,300 | $28.49 |
| Q3 2018 | -7,000 | Reduce 3.78% | 178,300 | $31.06 |
| Q1 2018 | -11,000 | Reduce 5.60% | 185,300 | $23.38 |
| Q1 2017 | -2,400 | Reduce 1.21% | 196,300 | $14.11 |
| Q4 2016 | -4,081 | Reduce 2.01% | 198,700 | $12.41 |
| Q2 2016 | -4,000 | Reduce 1.93% | 202,781 | $7.85 |
| Q1 2016 | +10,100 | Add 5.14% | 206,781 | $6.70 |
| Q4 2015 | +200 | Add 0.10% | 196,681 | $5.98 |
| Q3 2015 | +2,400 | Add 1.24% | 196,481 | $5.80 |
| Q2 2015 | +19,000 | Add 10.85% | 194,081 | $5.61 |
| Q3 2013 | -5,000 | Reduce 2.78% | 175,081 | $5.75 |
| Q2 2013 | +180,081 | Add 0.00% | 180,081 | $4.31 |
Mario Gabelli's Casella Waste Systems Investment FAQs
Mario Gabelli first purchased Casella Waste Systems, Inc. (CWST) in Q2 2013, acquiring 180,081 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Casella Waste Systems, Inc. (CWST) for 51 quarters since Q2 2013.
Mario Gabelli's largest addition to Casella Waste Systems, Inc. (CWST) was in Q2 2013, adding 180,081 shares worth $776,000.
According to the latest 13F filing for Q4 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 99,200 shares of Casella Waste Systems, Inc. (CWST), valued at approximately $9.72 M.
As of the Q4 2025 filing, Casella Waste Systems, Inc. (CWST) represents approximately 0.09% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Casella Waste Systems, Inc. (CWST) was 206,781 shares, as reported at the end of Q1 2016.