CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in CWST — Casella Waste Systems Inc
CIK 1081019
WEST SACRAMENTO, CA
Position in CWST
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$5,873,302
+$129,415 QoQ
Shares Held
74,027
+26.2% QoQ
Ownership
0.116%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CWST Over Time
Shares Held
Position Value (USD)
Position in Waste Management
Industrials · as of Mar 31, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $231,590,405 across 9 Waste Management names. CWST ranks #5 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WM |
Waste Management Inc
|
464,922 | $106,834,426 | |
| 2 | RSG |
Republic Services, Inc.
|
251,568 | $55,098,423 | |
| 3 | WCN |
Waste Connections, Inc.
|
282,171 | $45,835,857 | |
| 4 | CLH |
Clean Harbors Inc
|
59,158 | $16,962,373 | |
| 5 | CWST |
Casella Waste Systems Inc
This page
|
74,027 | $5,873,302 | |
| 6 | ONT |
Onterris, Inc.
|
29,816 | $652,672 | |
| 7 | ABAT |
AMERICAN BATTERY TECHNOLOGY Co
|
115,895 | $323,347 | |
| 8 | PESI |
Perma Fix Environmental Services Inc
|
936 | $10,005 |
All Filings in CWST
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,873,302 | 74,027 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $5,743,887 | 58,647 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $5,568,602 | 58,691 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $6,896,377 | 59,771 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $6,665,064 | 59,771 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $6,166,289 | 58,277 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $5,408,972 | 54,367 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $5,522,783 | 55,662 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $5,631,437 | 56,958 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $5,132,129 | 60,053 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $4,740,519 | 62,130 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $6,142,821 | 67,914 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $5,216,755 | 63,111 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $5,078,853 | 64,038 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $4,835,716 | 63,303 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $4,679,138 | 64,380 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $5,603,990 | 63,936 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $5,929,770 | 69,419 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $5,143,112 | 67,726 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $4,301,124 | 67,809 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $4,673,857 | 73,523 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $4,568,502 | 73,745 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $3,892,745 | 69,700 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $3,632,764 | 69,700 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $2,722,482 | 69,700 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||