Clean Harbors shares owned by Needham Investment Management
Quarter-by-quarter ownership of Clean Harbors (CLH) shares owned by Needham Investment Management
from 13F filings
Historical chart of Needham Investment Management investment in Clean Harbors
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Quarterly reported holdings in Clean Harbors by Needham Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $15M | 63k | 232.22 |
| 2025-06-30 | $14M | 61k | 231.18 |
| 2025-03-31 | $12M | 61k | 197.10 |
| 2024-12-31 | $14M | 61k | 230.14 |
| 2024-09-30 | $15M | 61k | 241.71 |
| 2024-06-30 | $14M | 61k | 226.15 |
| 2024-03-31 | $12M | 60k | 201.31 |
| 2023-12-31 | $10M | 58k | 174.51 |
| 2023-09-30 | $8.6M | 52k | 167.36 |
| 2023-06-30 | $8.4M | 51k | 164.43 |
| 2023-03-31 | $7.5M | 53k | 142.56 |
| 2022-12-31 | $6.0M | 53k | 114.12 |
| 2022-09-30 | $5.9M | 54k | 109.94 |
| 2022-06-30 | $4.7M | 54k | 87.65 |
| 2022-03-31 | $3.2M | 29k | 111.68 |
| 2021-12-31 | $998k | 10k | 99.75 |
| 2021-09-30 | $572k | 5.5k | 104.00 |
| 2021-06-30 | $512k | 5.5k | 93.00 |
| 2021-03-31 | $462k | 5.5k | 84.00 |
| 2020-12-31 | $418k | 5.5k | 76.00 |
| 2020-09-30 | $308k | 5.5k | 56.00 |
| 2020-06-30 | $330k | 5.5k | 60.00 |
| 2020-03-31 | $283k | 5.5k | 51.50 |
| 2017-12-31 | $54k | 1.0k | 54.00 |
| 2017-09-30 | $625k | 11k | 56.80 |
| 2017-06-30 | $390k | 7.0k | 55.67 |
| 2017-03-31 | $390k | 7.0k | 55.67 |
| 2015-06-30 | $1.1M | 21k | 53.71 |
| 2015-03-31 | $1.2M | 21k | 56.79 |
| 2014-12-31 | $1.0M | 21k | 48.07 |
| 2014-09-30 | $1.1M | 20k | 53.92 |
| 2014-06-30 | $1.3M | 20k | 64.23 |
| 2014-03-31 | $1.1M | 20k | 54.77 |
| 2013-12-31 | $900k | 15k | 60.00 |
| 2013-09-30 | $879k | 15k | 58.60 |
More positions owned by Needham Investment Management
View all positions for Needham Investment Management