Position in CWST
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$23,045,413
-$4,291,697 QoQ
Shares Held
290,464
+4.1% QoQ
Ownership
0.457%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
17 quarters on record
Voting authority
Sole 87.8735402666079.ToString("F0")%
Shared 0.ToString("F0")%
None 12.126459733392089.ToString("F0")%
Common Shares in CWST Over Time
Shares Held
Position Value (USD)
Position in Waste Management
Industrials · as of Mar 31, 2026BLAIR WILLIAM & CO/IL holds $178,565,272 across 6 Waste Management names. CWST ranks #3 (12.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WM |
Waste Management Inc
|
484,303 | $111,287,986 | |
| 2 | RSG |
Republic Services, Inc.
|
141,662 | $31,026,811 | |
| 3 | CWST |
Casella Waste Systems Inc
This page
|
290,464 | $23,045,413 | |
| 4 | WCN |
Waste Connections, Inc.
|
40,635 | $6,600,749 | |
| 5 | ONT |
Onterris, Inc.
|
266,980 | $5,844,192 | |
| 6 | CLH |
Clean Harbors Inc
|
2,651 | $760,121 |
All Filings in CWST
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $23,045,413 | 290,464 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $27,337,110 | 279,121 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $25,425,752 | 267,978 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $20,021,314 | 173,525 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $16,951,861 | 152,021 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $3,195,038 | 30,196 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $743,190 | 7,470 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $740,875 | 7,467 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $738,262 | 7,467 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $638,129 | 7,467 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $569,732 | 7,467 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $675,390 | 7,467 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $621,603 | 7,520 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $478,397 | 6,032 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $456,659 | 5,978 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $359,620 | 4,948 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $453,238 | 5,171 | Shares | Sole | 2022-05-13 | |
| No filing history on record for this holder in this stock. | ||||||