Position in CLH
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$18,125,350
+$3,895,697 QoQ
Shares Held
63,214
+4.2% QoQ
Ownership
0.120%
of shares outstanding
% of Portfolio
10.99%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CLH Over Time
Shares Held
Position Value (USD)
Derivatives in CLH
reported options exposure · as of Dec 31, 2024CallValue
$0
CallShares
0
PutValue
$8,745,320
PutShares
38,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Waste Management
Industrials · as of Mar 31, 2026Charter Oak Advisors LP holds $18,125,350 across 1 Waste Management name. CLH ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CLH |
Clean Harbors Inc
This page
|
63,214 | $18,125,350 |
All Filings in CLH
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $18,125,350 | 63,214 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $14,229,653 | 60,686 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $14,998,160 | 64,586 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $14,930,991 | 64,586 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $12,729,900 | 64,586 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $8,745,320 | 38,000 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $15,271,860 | 66,359 | Shares | Sole | 2025-02-13 | |
| No filing history on record for this holder in this stock. | ||||||