CLHClean Harbors, Inc.

$316.91+35% 1Y

Who owns CLH

652 institutions reported holding CLH for 2026Q2, together 91% of the company, more than the 614 a quarter earlier.

652

Institutions reporting a position · as of 2026Q2 · up from 614 the quarter before

Shares held by institutions
48.3M

Shares held by institutions · 91% of the company · long US equity positions only, as reported on Form 13F

Reported value
$14.5B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
33%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
97
Positions exited
60
Added to
187
Reduced
230
Top 10 holdersof the company
44%
Shares sold shortsettled Sep 15, 2026
1.1M
Short interestof shares outstanding
2.1%
Days to coverat the average daily volume
3.3
Change in the short positionsince the Aug 31, 2026 count
+7.3%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q265248.3M$14.5B
2026Q161448.5M$13.9B
2025Q456050.9M$11.9B
2025Q356449.0M$11.4B
2025Q257048.5M$11.2B
2025Q155748.1M$9.61B
2024Q456448.8M$11.2B
2024Q356447.3M$11.4B
2024Q251248.2M$10.9B
2024Q147147.9M$9.63B
2023Q444348.5M$8.47B
2023Q341149.4M$8.26B
2023Q240749.4M$8.12B
2023Q139648.0M$6.83B
2022Q437748.1M$5.49B
2022Q336748.3M$5.31B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.5.1M9.6%$1.52B
VANGUARD GROUP INC4.6M8.6%$1.36B
WELLINGTON MANAGEMENT GROUP LLP3.2M6.0%$943M
FMR LLC3.0M5.7%$897M
Jupiter Topco LLC1.6M3.0%$478M
STATE STREET CORP1.6M3.0%$473M
D1 Capital Partners L.P.1.3M2.5%$393M
GEODE CAPITAL MANAGEMENT LLC1.1M2.1%$337M
MARTIN CURRIE LTD1.1M2.1%$337M
SNYDER CAPITAL MANAGEMENT L P0.9M1.7%$276M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20261.1M2.1%3.3
Aug 31, 20261.1M2.0%2.4
Aug 14, 20261.1M2.1%2.6
Jul 31, 20261.3M2.5%2.3
Jul 15, 20261.2M2.2%3.1
Jun 30, 20261.2M2.3%2.4
Jun 15, 20261.2M2.2%2.3
May 29, 20261.1M2.1%2.0
May 15, 20261.0M2.0%1.4
Apr 30, 20260.8M1.5%2.1
Apr 15, 20260.8M1.5%1.5
Mar 31, 20260.8M1.5%1.6

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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