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CLH · Clean Harbors Inc

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$314.68 -1.30 (-0.41%)
Market Cap
$16.70B
Shares
52.85M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 655
Total Value: $14,736,871,084
Total Shares: 49,328,440

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 655 13F filers · Δ vs Mar 31, 2026
Top Holder
10.3%
Sep 2023 → Jun 2026 · range 9.4% – 11.7%
+0.6 pts
Top 5
31.2%
Sep 2023 → Jun 2026 · range 30.4% – 38.6%
+0.8 pts
Top 10
44.9%
Sep 2023 → Jun 2026 · range 44.9% – 53.1%
−1.3 pts
HHI
303
Sep 2023 → Jun 2026 · range 303 – 404
Broadly held−8

Quarterly Activity

vs Mar 31, 2026
New
97
Increased
204
Decreased
248
Sold Out
69
Unchanged
106
Holder count: +28
Institutional value: +4.0%
Shares held: -0.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 665
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 822818 CUSIP 184496107 13F (30d) 533 filings 523 filers Visit website Investor relations