How many institutions held CLH - CLEAN HARBORS INC - Common Stock, par value $0.01 per share in Q3 2015?

245 institutional investors reported CLH - CLEAN HARBORS INC - Common Stock, par value $0.01 per share for Q3 2015. 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 2015 13F Holders as of 30 Sep 2015

Security type / class: Equity / Common Stock, par value $0.01 per share
Total 13F shares: 57,730,725
Total reported value: $2,538,445,657
Share change: +1,307,401
Put/Call ratio: 44%
Reported price per share: $43.97
Number of holders: 245
Value change: +$50,327,185
Number of buys: 119
Number of sells: 109
Shares outstanding: 53,531,240

Security key

184496107

Report period

Q3 2015

Institutions

245

Top holders

CLH full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2015 Previous quarter: Q2 2015 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 2015 Previous quarter: Q2 2015

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.

Lead holder

SOUTHERNSUN ASSET MANAGEM...

13D/G signal

—

Evidence rows

Latest as of

30 Jun 2015

13F Lead comparable stake: 8.5% Showing 1-6 of 15 holder rows.

Rank 1 holder

SOUTHERNSUN ASSET MANAGEMENT, LLC

13F

Ownership: 8.5%
Position: $244.39M

13F

Rank 2 holder

WELLINGTON MANAGEMENT GROUP LLP

13F

Ownership: 8.2%
Position: $236.23M

13F

Rank 3 holder

VANGUARD GROUP INC

13F

Ownership: 6.2%
Position: $177.84M

13F

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
SOUTHERNSUN ASSET MANAGEMENT, LLC	13F Company 13F	8.5%	$244,394,000 4,547,706 shares	—	30 Jun 2015
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	8.2%	$236,227,000 4,395,746 shares	—	30 Jun 2015
VANGUARD GROUP INC	13F Company 13F	6.2%	$177,840,000 3,309,280 shares	—	30 Jun 2015
RS INVESTMENT MANAGEMENT CO LLC	13F Company 13F	4.1%	$118,133,000 2,198,239 shares	—	30 Jun 2015
Invesco Ltd.	13F Company 13F	3.8%	$110,137,000 2,049,425 shares	—	30 Jun 2015
ArrowMark Colorado Holdings LLC	13F Company 13F	3.8%	$108,826,000 2,025,050 shares	—	30 Jun 2015

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 2015

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

Institutions

245

57,730,725

Rows available

245

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

^* 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 failed the local validity check.

Compare Q3 2015 vs Q2 2015 Across Filers

Q2 2015 holders

246

Q3 2015 holders

245

Holder diff

-1

Investor	Q2 2015 Shares	Q3 2015 Shares	Share Diff	Share Chg %	Q2 2015 value	Q3 2015 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend