How many institutions held CLH - CLEAN HARBORS INC - Common Stock, par value $0.01 per share in Q3 2019?

268 institutional investors reported CLH - CLEAN HARBORS INC - Common Stock, par value $0.01 per share for Q3 2019. Use the holders table for investor-level position and value details.

CLEAN HARBORS INC - Common Stock, par value $0.01 per share (CLH)

Q: What does CUSIP 184496107 represent in this 13F holders report?

CUSIP 184496107 is the security identifier for CLH - CLEAN HARBORS INC - Common Stock, par value $0.01 per share used to aggregate holder disclosures.

CUSIP: 184496107

Q3 2019 13F Holders as of 30 Sep 2019

Security type / class: Equity / Common Stock, par value $0.01 per share
Total 13F shares: 50,955,299
Total 13F value: $3,932,906,321
Share change: +84,764
Put/Call ratio: 4.8%
SEC-reported price per share: $77.20
Number of holders: 268
Value change: +$9,028,777
Number of buys: 96
Number of sells: 157
Shares outstanding: 53,531,240

Security key

184496107

Report period

Q3 2019

Institutions

268

Top holders

CLH full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2019 Previous quarter: Q2 2019 CLEAN HARBORS INC SEC filings CLEAN HARBORS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 184496107

Newer quarter: Q4 2019 Previous quarter: Q2 2019

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of CLH - CLEAN HARBORS INC - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

WELLINGTON MANAGEMENT GRO...

Disclosed value leader

WELLINGTON MANAGEMENT GRO...

Comparable rows

15/15

Latest evidence

30 Jun 2019

13F Lead comparable stake: 10% Showing 1-6 of 15 holder rows.

Quick read

WELLINGTON MANAGEMENT GROUP LLP leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens WELLINGTON MANAGEMENT GROUP LLP's linked filing trail.

Comparable ownership Top 5

WELLINGTON MANAGEMENT GROUP LLP 10%

VANGUARD GROUP INC 8.6%

BlackRock Finance, Inc. 8.6%

ArrowMark Colorado Holdings LLC 6.5%

DIMENSIONAL FUND ADVISORS LP 3.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	10%	$387,898,000 5,455,654 shares	—	30 Jun 2019
VANGUARD GROUP INC	13F Company 13F	8.6%	$326,872,000 4,597,367 shares	—	30 Jun 2019
BlackRock Finance, Inc.	13F Company 13F	8.6%	$326,188,000 4,587,760 shares	—	30 Jun 2019
ArrowMark Colorado Holdings LLC	13F Company 13F	6.5%	$246,238,000 3,463,268 shares	—	30 Jun 2019
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	3.7%	$140,564,000 1,977,034 shares	—	30 Jun 2019
TimesSquare Capital Management, LLC	13F Company 13F	3.3%	$126,564,000 1,780,082 shares	—	30 Jun 2019

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2019

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

268

50,955,299

Rows available

268

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2019 vs Q2 2019 Across Filers

Q2 2019 holders

262

Q3 2019 holders

268

Holder diff

Investor	Q2 2019 Shares	Q3 2019 Shares	Share Diff	Share Chg %	Q2 2019 value	Q3 2019 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend