CLH CLEAN HARBORS INC

Ownership history in Qube Research & Technologies Ltd  ·  17 quarters on record

AI Ownership Summary

Qube Research & Technologies Ltd reported CLEAN HARBORS INC (CLH) in 17 quarterly 13F filings from 2023 Q3 through 2025 Q3. Peak portfolio weight reached 0.04% in 2025 Q1. The latest visible filing shows CLH at 0.03% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this CLH ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Qube Research & Technologies Ltd's position in CLEAN HARBORS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

CLH was reported at 0.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.04% in 2025 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How Qube Research & Technologies Ltd held CLH — position size vs. price
% of Fund (quarterly)    CLH price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 8 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 118,787 -37,709 -24.1% 0.03% $27.6M 2025-11-14 $205.85
2025 Q2 REDUCED 156,496 -30,491 -16.3% 0.04% $36.2M 2025-08-14 $247.05
2025 Q1 ADDED 186,987 +117,388 +168.7% 0.04% $36.9M 2025-05-15 $229.65
2024 Q3 ADDED 69,599 +21,558 +44.9% 0.02% $16.8M 2024-11-14 $250.56
2024 Q2 REDUCED 48,041 -79,441 -62.3% 0.02% $10.9M 2024-08-14 $236.39
2024 Q1 ADDED 127,482 +47,091 +58.6% 0.04% $25.7M 2024-05-14 $213.96
2023 Q4 ADDED 80,391 +78,888 +5248.7% 0.03% $14.0M 2024-02-13 $179.49
2023 Q3 REDUCED 1,503 -10,645 -87.6% 0.00% $252K 2023-11-13 $161.32
9 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Qube Research & Technologies Ltd and CLH

These are the practical questions this page is built to answer before you even open the full history table.

How long has Qube Research & Technologies Ltd reported owning CLH?

Qube Research & Technologies Ltd reported CLH across 8 quarterly 13F filings, from 2023 Q3 through 2025 Q3.

What was the largest reported CLH position in Qube Research & Technologies Ltd's portfolio?

The largest reported portfolio weight for CLH was 0.04% in 2025 Q1.

What is the latest reported CLH position on this page?

The most recent filing on this page is 2025 Q3, when Qube Research & Technologies Ltd reported 118,787 shares, equal to 0.03% of portfolio, with an estimated market value of $27.6M.

What does the chart on this CLH ownership page compare?

The chart compares Qube Research & Technologies Ltd's quarterly CLH portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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