Clean Harbors
663 hedge funds and large institutions have $14.8B invested in Clean Harbors in 2026 Q2 according to their latest regulatory filings, with 99 funds opening new positions, 205 increasing their positions, 251 reducing their positions, and 55 closing their positions.
80% more first-time investments, than exits
New positions opened: 99 | Existing positions closed: 55
6% more funds holding
Funds holding: 626 → 663 (+37)
4% more capital invested
Capital invested by funds: $14.1B → $14.8B (+$633M)
0.31% more ownership
Funds ownership: 93.25% → 93.56% (+0.31%)
3% less call options, than puts
Call options by funds: $5.97M | Put options by funds: $6.18M
18% less repeat investments, than reductions
Existing positions increased: 205 | Existing positions reduced: 251
38% less funds holding in top 10
Funds holding in top 10: 21 → 13 (-8)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$266M |
| 2 |
HRCM
Hood River Capital Management
Palm Beach Gardens,
Florida
|
+$111M |
| 3 |
Fidelity International
Hamilton,
Bermuda
|
+$109M |
| 4 |
SCM
Steadfast Capital Management
New York
|
+$89.3M |
| 5 |
AQR Capital Management
Greenwich,
Connecticut
|
+$87.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LPC
Lone Pine Capital
Greenwich,
Connecticut
|
-$503M |
| 2 |
Pictet Asset Management
Carouge,
Switzerland
|
-$187M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
-$125M |
| 4 |
Select Equity Group
New York
|
-$119M |
| 5 |
Two Sigma Investments
New York
|
-$88.9M |
CLH Hedge Fund Activity: Q2 2026 in Review
663 of the 8,349 institutional investors tracked by Wall St. Rank reported a position in Clean Harbors (CLH) for Q2 2026, worth a combined $14.8B — up 4.5% from $14.1B a quarter earlier.
Buyers outnumbered sellers: 99 funds opened new CLH positions and 55 closed out — a net gain of 44 holders — while 205 added to existing stakes and 251 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $266M. The largest seller was Lone Pine Capital, exiting entirely with an estimated $503M sold.
- 663 institutional investors held Clean Harbors (CLH) as of Q2 2026, up from 626 in Q1 2026.
- Funds reported $14.8B of Clean Harbors stock for Q2 2026, up 4.5% quarter-over-quarter.
- 99 funds opened new Clean Harbors positions in Q2 2026 and 55 closed out, a net change of +44 holders.
- The largest Clean Harbors buyer in Q2 2026 was Fidelity Investments, an estimated $266M added.
- The largest Clean Harbors seller in Q2 2026 was Lone Pine Capital, an estimated $503M sold.
Based on aggregated 13F filings for Q2 2026.