Needham Investment Management’s Clean Harbors CLH Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $19.7M | Hold |
68,856
| – | – | 1.01% | 29 |
|
|
2025
Q4 | $16.1M | Buy |
68,856
+5,875
| +9% | +$1.34M | 1.02% | 32 |
|
|
2025
Q3 | $14.6M | Buy |
62,981
+2,075
| +3% | +$491K | 1.02% | 33 |
|
|
2025
Q2 | $14.1M | Hold |
60,906
| – | – | 1.12% | 30 |
|
|
2025
Q1 | $12M | Buy |
60,906
+150
| +0.2% | +$32.8K | 1.12% | 31 |
|
|
2024
Q4 | $14M | Hold |
60,756
| – | – | 1.08% | 31 |
|
|
2024
Q3 | $14.7M | Buy |
60,756
+150
| +0.2% | +$35.3K | 1.13% | 32 |
|
|
2024
Q2 | $13.7M | Buy |
60,606
+250
| +0.4% | +$52.4K | 1.13% | 25 |
|
|
2024
Q1 | $12.2M | Buy |
60,356
+2,050
| +4% | +$368K | 1.13% | 23 |
|
|
2023
Q4 | $10.2M | Buy |
58,306
+6,700
| +13% | +$1.1M | 1.28% | 22 |
|
|
2023
Q3 | $8.64M | Buy |
51,606
+500
| +1% | +$84.3K | 1.47% | 18 |
|
|
2023
Q2 | $8.4M | Sell |
51,106
-1,400
| -3% | -$205K | 1.38% | 20 |
|
|
2023
Q1 | $7.49M | Hold |
52,506
| – | – | 1.29% | 25 |
|
|
2022
Q4 | $5.99M | Sell |
52,506
-1,500
| -3% | -$175K | 1.08% | 32 |
|
|
2022
Q3 | $5.94M | Hold |
54,006
| – | – | 1.16% | 31 |
|
|
2022
Q2 | $4.74M | Buy |
54,006
+25,106
| +87% | +$2.42M | 0.89% | 39 |
|
|
2022
Q1 | $3.23M | Buy |
28,900
+18,900
| +189% | +$1.87M | 0.47% | 61 |
|
|
2021
Q4 | $998K | Buy |
10,000
+4,500
| +82% | +$474K | 0.13% | 91 |
|
|
2021
Q3 | $572K | Hold |
5,500
| – | – | 0.08% | 103 |
|
|
2021
Q2 | $512K | Hold |
5,500
| – | – | 0.07% | 105 |
|
|
2021
Q1 | $462K | Hold |
5,500
| – | – | 0.06% | 110 |
|
|
2020
Q4 | $418K | Hold |
5,500
| – | – | 0.07% | 101 |
|
|
2020
Q3 | $308K | Hold |
5,500
| – | – | 0.06% | 100 |
|
|
2020
Q2 | $330K | Hold |
5,500
| – | – | 0.07% | 91 |
|
|
2020
Q1 | $283K | Buy |
+5,500
| New | +$402K | 0.08% | 98 |
|
|
2018
Q1 | – | Sell |
-1,000
| Closed | -$54K | – | 93 |
|
|
2017
Q4 | $54K | Sell |
1,000
-10,000
| -91% | -$541K | 0.01% | 92 |
|
|
2017
Q3 | $624K | Buy |
11,000
+4,000
| +57% | +$218K | 0.16% | 72 |
|
|
2017
Q2 | $390K | Hold |
7,000
| – | – | 0.1% | 84 |
|
|
2017
Q1 | $389K | Buy |
+7,000
| New | +$387K | 0.1% | 89 |
|
|
2015
Q3 | – | Sell |
-21,000
| Closed | -$1.13M | – | 106 |
|
|
2015
Q2 | $1.13M | Hold |
21,000
| – | – | 0.24% | 65 |
|
|
2015
Q1 | $1.19M | Hold |
21,000
| – | – | 0.25% | 63 |
|
|
2014
Q4 | $1.01M | Buy |
21,000
+1,000
| +5% | +$48.7K | 0.21% | 71 |
|
|
2014
Q3 | $1.08M | Hold |
20,000
| – | – | 0.24% | 70 |
|
|
2014
Q2 | $1.28M | Hold |
20,000
| – | – | 0.27% | 67 |
|
|
2014
Q1 | $1.1M | Buy |
20,000
+5,000
| +33% | +$272K | 0.23% | 70 |
|
|
2013
Q4 | $900K | Hold |
15,000
| – | – | 0.19% | 81 |
|
|
2013
Q3 | $880K | Buy |
+15,000
| New | +$837K | 0.2% | 74 |
|
Other funds holding CLH
VCM
VPM
LPC
DCP
Needham Investment Management's CLH Position: Q1 2026 in Review
Needham Investment Management held its Clean Harbors (CLH) position steady in Q1 2026 at 68,856 shares worth $19.7M. The position accounts for 1.01% of the portfolio, ranked #29.
Needham Investment Management first reported a position in CLH in Q3 2013 and has held it in 37 quarters since. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.
- Needham Investment Management held 68,856 shares of Clean Harbors worth $19.7M as of Q1 2026.
- Needham Investment Management left its Clean Harbors share count unchanged in Q1 2026.
- Clean Harbors made up 1.01% of Needham Investment Management's portfolio in Q1 2026, its #29 holding.
- Needham Investment Management first reported a position in Clean Harbors in Q3 2013 and has held it in 37 quarters since.
- 623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.
Based on Needham Investment Management's 13F filing for Q1 2026, filed 15 May 2026.