Clean Harbors shares owned by Portolan Capital Management
Quarter-by-quarter ownership of Clean Harbors (CLH) shares owned by Portolan Capital Management
from 13F filings
Historical chart of Portolan Capital Management investment in Clean Harbors
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Quarterly reported holdings in Clean Harbors by Portolan Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-09-30 | $1.0M | 6.2k | 167.36 |
| 2023-06-30 | $3.6M | 22k | 164.43 |
| 2023-03-31 | $10M | 71k | 142.56 |
| 2014-09-30 | $953k | 18k | 53.90 |
| 2014-06-30 | $4.5M | 70k | 64.24 |
| 2014-03-31 | $2.8M | 52k | 54.79 |
| 2013-12-31 | $4.5M | 74k | 59.95 |
| 2013-09-30 | $2.4M | 40k | 58.65 |
| 2013-06-30 | $3.4M | 67k | 50.53 |
| 2013-03-31 | $502k | 8.6k | 58.08 |
| 2012-12-31 | $1.3M | 23k | 55.01 |
More positions owned by Portolan Capital Management
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