Casella Waste Systems, Inc.
DE ˙ DB ˙ US1474481041
71,30 € ↓ -0,02 (-0,03%)
2026-06-04
DEL PRIS
SecurityDE:WA3 / Casella Waste Systems, Inc.
InstitutionMorgan Stanley
Latest Disclosed Ownership1,195,294 shares
Latest Disclosed Value $ 94,834,824
Morgan Stanley reports 12.29% decrease in ownership of WA3 / Casella Waste Systems, Inc.

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 1,195,294 shares of Casella Waste Systems, Inc. (DE:WA3) valued at $82,236,227 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 1,362,854 shares of Casella Waste Systems, Inc.. This represents a change in shares of -12.29% during the quarter. The current value of the position is $85,224,462 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F CASELLA WASTE SYS CL A 147448104 1,195,294 -167,560 -12.29 94,835 -28.95 0.0057
2026-05-27 2025-12-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 1,362,854 521,088 61.90 133,478 67.13 0.0080
2026-02-13 2025-12-31 13F CASELLA WASTE SYS CL A 147448104 1,362,854 521,088 133,478 0.0080
2026-05-27 2025-09-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 841,766 139,587 19.88 79,867 -1.42 0.0048
2025-11-14 2025-09-30 13F CASELLA WASTE SYS CL A 147448104 841,766 139,587 79,867 0.0048
2025-08-15 2025-06-30 13F CASELLA WASTE SYS CL A 147448104 702,179 -84,451 -10.74 81,018 -7.64 0.0053
2025-05-15 2025-03-31 13F CASELLA WASTE SYS CL A 147448104 786,630 83,811 11.92 87,717 17.95 0.0063
2025-05-15 2024-12-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 702,819 60,823 9.47 74,365 16.43 0.0052
2025-02-14 2024-12-31 13F CASELLA WASTE SYS CL A 147448104 702,819 60,823 74,365 0.0052
2025-05-14 2024-09-30 13F/A-2 CASELLA WASTE SYS CL A 147448104 641,996 6,407 1.01 63,872 1.28 0.0046
2025-02-14 2024-09-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 641,996 6,407 63,872 0.0046
2024-11-14 2024-09-30 13F CASELLA WASTE SYS CL A 147448104 641,996 6,407 63,872 0.0005
2025-05-14 2024-06-30 13F/A-2 CASELLA WASTE SYS CL A 147448104 635,589 50,077 8.55 63,063 8.94 0.0049
2024-10-17 2024-06-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 635,589 50,077 63,063 0.0049
2024-08-14 2024-06-30 13F CASELLA WASTE SYS CL A 147448104 635,589 50,077 63,063 0.0049
2024-10-17 2024-03-31 13F/A-2 CASELLA WASTE SYS CL A 147448104 585,512 -84,075 -12.56 57,890 1.16 0.0046
2024-08-16 2024-03-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 585,512 -84,075 57,890 0.0005
2024-05-15 2024-03-31 13F CASELLA WASTE SYS CL A 147448104 585,512 -84,075 57,890 0.0046
2024-08-16 2023-12-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 669,587 103,154 18.21 57,223 32.41 0.0050
2024-02-13 2023-12-31 13F CASELLA WASTE SYS CL A 147448104 669,587 103,154 57,223 0.0050
2023-11-15 2023-09-30 13F CASELLA WASTE SYS CL A 147448104 566,433 170,409 43.03 43,219 20.65 0.0044
2023-08-14 2023-06-30 13F CASELLA WASTE SYS CL A 147448104 396,024 22,529 6.03 35,820 16.02 0.0035
2023-05-15 2023-03-31 13F CASELLA WASTE SYS CL A 147448104 373,495 28,507 8.26 30,873 12.84 0.0033
2023-02-14 2022-12-31 13F CASELLA WASTE SYS CL A 147448104 344,988 59,916 21.02 27,361 25.64 0.0031
2022-11-14 2022-09-30 13F CASELLA WASTE SYS CL A 147448104 285,072 8,464 3.06 21,777 8.33 0.0030
2022-10-27 2022-06-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 276,608 80,720 41.21 20,103 17.08 0.0026
2022-08-15 2022-06-30 13F CASELLA WASTE SYS CL A 147448104 276,608 80,720 20,103 0.0005
2022-10-27 2022-03-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 195,888 -9,737 -4.74 17,170 -2.25 0.0023
2022-05-13 2022-03-31 13F CASELLA WASTE SYS CL A 147448104 195,888 -9,737 17,170 0.0023
2022-02-14 2021-12-31 13F CASELLA WASTE SYS CL A 147448104 205,625 9,099 4.63 17,565 17.70 0.0022
2021-11-15 2021-09-30 13F CASELLA WASTE SYS CL A 147448104 196,526 -69,303 -26.07 14,924 -11.49 0.0020
2021-08-23 2021-06-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 265,829 194,106 270.63 16,862 269.78 0.0022
2021-08-16 2021-06-30 13F CASELLA WASTE SYS CL A 147448104 265,829 194,106 16,862 0.0005
2021-05-17 2021-03-31 13F CASELLA WASTE SYS CL A 147448104 71,723 -52,175 -42.11 4,560 -40.59 0.0007
2021-02-16 2020-12-31 13F CASELLA WASTE SYS CL A 147448104 123,898 75,166 154.24 7,676 182.00 0.0012
2020-11-13 2020-09-30 13F CASELLA WASTE SYS CL A 147448104 48,732 4,090 9.16 2,722 16.97 0.0005
2020-08-14 2020-06-30 13F CASELLA WASTE SYS CL A 147448104 44,642 -19,485 -30.39 2,327 -7.11 0.0005
2020-05-26 2020-03-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 64,127 -90,702 -58.58 2,505 -64.85 0.0007
2020-05-15 2020-03-31 13F CASELLA WASTE SYS CL A 147448104 64,127 -90,702 2,505 192.4362
2020-02-14 2019-12-31 13F CASELLA WASTE SYS CL A 147448104 154,829 -230,656 -59.84 7,126 -56.95 0.0017
2019-11-14 2019-09-30 13F CASELLA WASTE SYS CL A 147448104 385,485 19,625 5.36 16,554 14.17 0.0044
2019-08-14 2019-06-30 13F CASELLA WASTE SYS CL A 147448104 365,860 135,426 58.77 14,499 76.95 0.0039
2019-05-15 2019-03-31 13F CASELLA WASTE SYS CL A 147448104 230,434 77,921 51.09 8,194 88.58 0.0023
2019-02-14 2018-12-31 13F CASELLA WASTE SYS CL A 147448104 152,513 33,074 27.69 4,345 17.12 0.0013
2019-04-23 2018-09-30 13F/A-2 CASELLA WASTE SYS CL A 147448104 119,439 -69,606 -36.82 3,710 -23.38 0.0009
2018-11-20 2018-09-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 119,439 0 3,710 0.0009
2018-11-14 2018-09-30 13F CASELLA WASTE SYS CL A 147448104 119,439 -69,606 3,710
2019-04-23 2018-06-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 189,045 -7,547 -3.84 4,842 5.33 0.0013
2018-08-14 2018-06-30 13F CASELLA WASTE SYS CL A 147448104 189,045 -7,547 4,842
2019-04-23 2018-03-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 196,592 -34,532 -14.94 4,597 -13.59 0.0013
2018-05-14 2018-03-31 13F CASELLA WASTE SYS CL A 147448104 196,592 -34,532 4,597
2019-04-23 2017-12-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 231,124 6,549 2.92 5,320 25.98 0.0015
2018-02-14 2017-12-31 13F CASELLA WASTE SYS CL A 147448104 231,124 6,549 5,320
2017-11-14 2017-09-30 13F CASELLA WASTE SYS CL A 147448104 224,575 62,770 38.79 4,223 59.06 0.0013
2017-08-11 2017-06-30 13F CASELLA WASTE SYS CL A 147448104 161,805 -20,960 -11.47 2,655 2.95 0.0008
2017-05-22 2017-03-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 182,765 -24,341 -11.75 2,579 0.35 0.0008
2017-05-12 2017-03-31 13F CASELLA WASTE SYS CL A 147448104 182,765 2,579
2017-02-22 2016-12-31 13F/A-1 CASELLA WASTE SYS CL A 147448104 207,106 109,807 112.86 2,570 156.23 0.0008
2017-02-13 2016-12-31 13F CASELLA WASTE SYS CL A 147448104 207,106 2,570
2016-11-10 2016-09-30 13F CASELLA WASTE SYS CL A 147448104 97,299 -53,644 -35.54 1,003 -15.36 0.0003
2016-08-12 2016-06-30 13F CASELLA WASTE SYS CL A 147448104 150,943 126,615 520.45 1,185 622.56 0.0004
2016-05-12 2016-03-31 13F CASELLA WASTE SYS CL A 147448104 24,328 8,404 52.78 164 70.83 0.0001
2016-02-09 2015-12-31 13F CASELLA WASTE SYS CL A 147448104 15,924 -1,717 -9.73 96 -5.88 0.0000
2016-02-08 2015-09-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 17,641 9,483 116.24 102 121.74 0.0000
2015-11-09 2015-09-30 13F CASELLA WASTE SYS CL A 147448104 17,641 102
2015-08-12 2015-06-30 13F CASELLA WASTE SYS CL A 147448104 8,158 -10,842 -57.06 46 -55.77 0.0000
2015-05-14 2015-03-31 13F CASELLA WASTE SYS CL A 147448104 19,000 -58,861 -75.60 104 -66.98 0.0000
2015-02-13 2014-12-31 13F CASELLA WASTE SYS CL A 147448104 77,861 59,282 319.08 315 337.50 0.0001
2014-12-16 2014-09-30 13F/A-1 CASELLA WASTE SYS CL A 147448104 18,579 -38,732 -67.58 72 -74.91 0.0000
2014-11-14 2014-09-30 13F CASELLA WASTE SYS CL A 147448104 18,579 72
2014-08-12 2014-06-30 13F CASELLA WASTE SYS CL A 147448104 57,311 -16,473 -22.33 287 -23.87 0.0005
2014-05-13 2014-03-31 13F CASELLA WASTE SYS CL A 147448104 73,784 29,027 64.85 377 45.56 0.0002
2014-02-13 2013-12-31 13F CASELLA WASTE SYS CL A 147448104 44,757 13,854 44.83 259 46.33 0.0001
2013-11-13 2013-09-30 13F CASELLA WASTE SYS INC CL A COM 147448104 30,903 -34,911 -53.04 177 -37.68 0.0001
2013-08-08 2013-06-30 13F CASELLA WASTE SYS INC CL A COM 147448104 65,814 65,814 284 0.0001
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.