Question 1

How many shares of CLH does D1 Capital Partners L.P. own?

Accepted Answer

As of 2026-Q1, D1 Capital Partners L.P. holds 1.3M shares of CLH (CLEAN HARBORS INC).

Question 2

What is D1 Capital Partners L.P.'s CLH position worth?

Accepted Answer

As of 2026-Q1, D1 Capital Partners L.P.'s CLH position is worth $383.7M.

Question 3

Is D1 Capital Partners L.P. buying or selling CLH?

Accepted Answer

In 2026-Q1, D1 Capital Partners L.P. decreased their CLH position (-51.9% change in shares).

Question 4

When did D1 Capital Partners L.P. first buy CLH?

Accepted Answer

Based on available 13F filings, D1 Capital Partners L.P. first reported a position in CLH in 2026-Q1. They have held the position across 5 quarters.