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Free · no sign-up · Q2 2026

Which funds own CLH

Clean Harbors Inc in the Q2 2026 filings. At least 6 of the 91 current managers on file reported a position, worth $2.2bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. The quarter went the other way: 6 managers trimmed or sold out against 2 buying.

Managers holding
6
at least, of 91 current
Combined value
$2.2bn
as reported
Opened
2
new this quarter
Added to
0
already held
Trimmed or sold out
6
2 sold out entirely

Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.

Managers reporting a position

Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.

ManagerValueWeightSharesChange on the quarterAction
Wellington Management Group LLP
Long-only · $580bn book
$943m0.2%3,155,233-$83m-421,801Trimmed
Janus Henderson Group Ltd
Long-only · $245bn book
$478m0.2%1,598,574-$198m-756,820Trimmed
D1 Capital Partners LP
Long/short equity · $34.8bn book
$393m1.1%1,315,501+$9.3m-22,780Trimmed
Durable Capital Partners LP
Long/short equity · $10.3bn book
$267m2.6%892,405-$35m-158,568Trimmed
Steadfast Capital Management LP
Long/short equity · $3.3bn book
$90m2.8%302,091opened302,091New
Holocene Advisors LP
Long/short equity · $44.4bn book
$63m0.1%211,217opened211,217New

Sold out of this quarter

Valued at what the position was worth in the previous filing, because by this one it is gone.

Ownership through time

At least 13 of the 95 managers whose filings are on file listed CLH in Q2 2026, against 2 in Q2 2013. 4 managers more than in Q1 2026: 4 started positions; 1 listed it again; 1 sold out, by its own filing.

Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.

Managers on file listing it
0713Q2 2013: 2Q3 2013: 2Q4 2013: 2Q1 2014: 214Q2 2014: 4Q3 2014: 3Q4 2014: 3Q1 2015: 715Q2 2015: 3Q3 2015: 4Q4 2015: 4Q1 2016: 516Q2 2016: 7Q3 2016: 6Q4 2016: 8Q1 2017: 617Q2 2017: 7Q3 2017: 8Q4 2017: 8Q1 2018: 618Q2 2018: 3Q3 2018: 6Q4 2018: 8Q1 2019: 719Q2 2019: 8Q3 2019: 7Q4 2019: 7Q1 2020: 1020Q2 2020: 4Q3 2020: 4Q4 2020: 5Q1 2021: 621Q2 2021: 3Q3 2021: 5Q4 2021: 5Q1 2022: 622Q2 2022: 5Q3 2022: 11Q4 2022: 8Q1 2023: 923Q2 2023: 7Q3 2023: 7Q4 2023: 7Q1 2024: 524Q2 2024: 7Q3 2024: 10Q4 2024: 10Q1 2025: 825Q2 2025: 9Q3 2025: 9Q4 2025: 10Q1 2026: 926Q2 2026: 13
  • Q2 2013: 2
  • Q3 2013: 2
  • Q4 2013: 2
  • Q1 2014: 2
  • Q2 2014: 4
  • Q3 2014: 3
  • Q4 2014: 3
  • Q1 2015: 7
  • Q2 2015: 3
  • Q3 2015: 4
  • Q4 2015: 4
  • Q1 2016: 5
  • Q2 2016: 7
  • Q3 2016: 6
  • Q4 2016: 8
  • Q1 2017: 6
  • Q2 2017: 7
  • Q3 2017: 8
  • Q4 2017: 8
  • Q1 2018: 6
  • Q2 2018: 3
  • Q3 2018: 6
  • Q4 2018: 8
  • Q1 2019: 7
  • Q2 2019: 8
  • Q3 2019: 7
  • Q4 2019: 7
  • Q1 2020: 10
  • Q2 2020: 4
  • Q3 2020: 4
  • Q4 2020: 5
  • Q1 2021: 6
  • Q2 2021: 3
  • Q3 2021: 5
  • Q4 2021: 5
  • Q1 2022: 6
  • Q2 2022: 5
  • Q3 2022: 11
  • Q4 2022: 8
  • Q1 2023: 9
  • Q2 2023: 7
  • Q3 2023: 7
  • Q4 2023: 7
  • Q1 2024: 5
  • Q2 2024: 7
  • Q3 2024: 10
  • Q4 2024: 10
  • Q1 2025: 8
  • Q2 2025: 9
  • Q3 2025: 9
  • Q4 2025: 10
  • Q1 2026: 9
  • Q2 2026: 13
Their combined reported value
$0$2bn$4bnQ2 2013: $280mQ3 2013: $198mQ4 2013: $265mQ1 2014: $453m14Q2 2014: $541mQ3 2014: $341mQ4 2014: $341mQ1 2015: $518m15Q2 2015: $409mQ3 2015: $362mQ4 2015: $336mQ1 2016: $557m16Q2 2016: $641mQ3 2016: $477mQ4 2016: $701mQ1 2017: $686m17Q2 2017: $788mQ3 2017: $725mQ4 2017: $552mQ1 2018: $457m18Q2 2018: $532mQ3 2018: $709mQ4 2018: $428mQ1 2019: $716m19Q2 2019: $679mQ3 2019: $789mQ4 2019: $1.0bnQ1 2020: $581m20Q2 2020: $454mQ3 2020: $421mQ4 2020: $610mQ1 2021: $700m21Q2 2021: $715mQ3 2021: $729mQ4 2021: $850mQ1 2022: $926m22Q2 2022: $679mQ3 2022: $1.0bnQ4 2022: $984mQ1 2023: $1.2bn23Q2 2023: $1.4bnQ3 2023: $1.3bnQ4 2023: $1.4bnQ1 2024: $1.5bn24Q2 2024: $1.7bnQ3 2024: $1.8bnQ4 2024: $1.9bnQ1 2025: $1.7bn25Q2 2025: $2.3bnQ3 2025: $2.7bnQ4 2025: $3.2bnQ1 2026: $3.8bn26Q2 2026: $3.3bn
  • Q2 2013: $280m
  • Q3 2013: $198m
  • Q4 2013: $265m
  • Q1 2014: $453m
  • Q2 2014: $541m
  • Q3 2014: $341m
  • Q4 2014: $341m
  • Q1 2015: $518m
  • Q2 2015: $409m
  • Q3 2015: $362m
  • Q4 2015: $336m
  • Q1 2016: $557m
  • Q2 2016: $641m
  • Q3 2016: $477m
  • Q4 2016: $701m
  • Q1 2017: $686m
  • Q2 2017: $788m
  • Q3 2017: $725m
  • Q4 2017: $552m
  • Q1 2018: $457m
  • Q2 2018: $532m
  • Q3 2018: $709m
  • Q4 2018: $428m
  • Q1 2019: $716m
  • Q2 2019: $679m
  • Q3 2019: $789m
  • Q4 2019: $1.0bn
  • Q1 2020: $581m
  • Q2 2020: $454m
  • Q3 2020: $421m
  • Q4 2020: $610m
  • Q1 2021: $700m
  • Q2 2021: $715m
  • Q3 2021: $729m
  • Q4 2021: $850m
  • Q1 2022: $926m
  • Q2 2022: $679m
  • Q3 2022: $1.0bn
  • Q4 2022: $984m
  • Q1 2023: $1.2bn
  • Q2 2023: $1.4bn
  • Q3 2023: $1.3bn
  • Q4 2023: $1.4bn
  • Q1 2024: $1.5bn
  • Q2 2024: $1.7bn
  • Q3 2024: $1.8bn
  • Q4 2024: $1.9bn
  • Q1 2025: $1.7bn
  • Q2 2025: $2.3bn
  • Q3 2025: $2.7bn
  • Q4 2025: $3.2bn
  • Q1 2026: $3.8bn
  • Q2 2026: $3.3bn

Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.

Largest increases, by shares

Largest decreases, by shares

Left it

ManagerValue over timeFirst listedLargestQ2 2026
Wellington Management Group LLPQ4 2013$1.3bn$943m
Fidelity (FMR LLC)Q1 2026$897m$897m
Janus Henderson Group LtdQ2 2017$675m$478m
D1 Capital Partners LPQ1 2025$652m$393m
Durable Capital Partners LPQ3 2025$301m$267m
Two Sigma Investments LPQ1 2015$208m$126m
Steadfast Capital Management LPQ2 2026$90m$90m
Neuberger Berman Group LLCQ1 2016$66m$66m
Holocene Advisors LPQ4 2017$63m$63m
ExodusPoint Capital Management LPQ4 2018$26m$7.7m
Winton Group LtdQ3 2017$32m$2.6m
Quantbot Technologies LPQ3 2015$3.0m$2.1m
First Eagle Investment Management LLCQ4 2025$1.2m$1.2m
Lone Pine Capital LLCQ4 2025$503mlast listed Q1 2026
Invesco LtdQ1 2015$426mlast listed Q4 2024
T. Rowe Price Associates IncQ2 2013$232mlast listed Q3 2013
Renaissance Technologies LLCQ4 2015$161mlast listed Q4 2023
Marshall Wace LLPQ1 2015$153mlast listed Q2 2025
MFS Investment ManagementQ2 2016$121mlast listed Q3 2018
Capital Research Global InvestorsQ2 2013$87mlast listed Q4 2017
AQR Capital Management LLCQ1 2019$84mlast listed Q3 2023
Two Sigma Advisers LPQ2 2025$75mlast listed Q4 2025
Millennium Management LLCQ3 2022$73mlast listed Q3 2022

What CLH is worth

Knowing who owns it is half the question. The other half is what it is worth against the companies it trades beside, which is the one an interviewer will follow up with.

Build the comp set around CLH →

How much of the picture this is

A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.

What to do with a name the funds are buying

Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.

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The holdings, every quarter, and the week between

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