Free · no sign-up · Q2 2026

Which funds own ECL

Ecolab Inc in the Q2 2026 filings. At least 13 of the 91 current managers on file reported a position, worth $2.8bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. Buying and selling roughly cancelled this quarter, which is what a name looks like when the argument is still live.

Managers holding: 13; at least, of 91 current
Combined value: $2.8bn; as reported
Opened: 3; new this quarter
Added to: 6; already held
Trimmed or sold out: 9; 6 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.

Manager	Value	Weight	Shares	Change on the quarter	Action
Capital Research Global Investors Long-only · $717bn book	$798m	0.1%	2,863,333	-$20m-209,097	Trimmed
Arrowstreet Capital LP Quantitative · $225bn book	$639m	0.3%	2,293,546	+$42m+49,721	Added
Janus Henderson Group Ltd Long-only · $245bn book	$252m	0.1%	903,516	-$201m-797,635	Trimmed
AllianceBernstein LP Long-only · $302bn book	$240m	0.1%	900,795	+$29m+98,787	Added
Balyasny Asset Management LLC Multi-strategy · $80.2bn book	$226m	0.3%	810,128	+$197m+701,627	Added
Baillie Gifford & Co Long-only · $110bn book	$205m	0.2%	734,234	+$20m+38,893	Added
Man Group PLC Quantitative · $62.7bn book	$144m	0.2%	514,890	-$60m-248,969	Trimmed
Woodline Partners LP Long/short equity · $32.4bn book	$109m	0.3%	392,559	+$103m+368,552	Added
Acadian Asset Management LLC Quantitative · $84.2bn book	$97m	0.1%	347,295	+$10m+21,373	Added
Markel Group Inc Activist · $13.1bn book	$76m	0.6%	274,300	+$3.5m0	Held
Schonfeld Strategic Advisors LLC Multi-strategy · $27.9bn book	$41m	0.1%	147,369	opened147,369	New
Moore Capital Management LP Macro · $6.7bn book	$7.3m	0.1%	26,194	opened26,194	New
Rokos Capital Management LLP Macro · $26.8bn book	$5.2m	0.0%	18,587	opened18,587	New

Sold out of this quarter

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

Renaissance Technologies LLC · Quantitative$83m held before
Two Sigma Investments LP · Quantitative$59m held before
Voloridge Investment Management LLC · Quantitative$21m held before
Quantbot Technologies LP · Quantitative$9.8m held before
Bridgewater Associates LP · Macro$4.3m held before
First Eagle Investment Management LLC · Activist$0 held before

Ownership through time

At least 23 of the 95 managers whose filings are on file listed ECL in Q2 2026, against 13 in Q2 2013. 1 manager fewer than in Q1 2026: 5 started positions; 4 listed it again; 4 sold out, by their own filings; 6 no longer listed it among the positions read, which can mean a holding below the listed range or a filing not yet made.

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

Their combined reported value

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.

Started in Q2 2026

Largest increases, by shares

Point72 Asset Management LPnew: 186,112 shares+$52m
Schonfeld Strategic Advisors LLCnew: 147,369 shares+$41m
Marshall Wace LLPnew: 141,006 shares+$39m
Invesco Ltd2,601,641 to 2,711,224 shares+$31m
AllianceBernstein LP802,008 to 900,795 shares+$26m

Largest decreases, by shares

Janus Henderson Group Ltd1,701,151 to 903,516 shares-$222m
Man Group PLC763,859 to 514,890 shares-$69m
Capital Research Global Investors3,072,430 to 2,863,333 shares-$58m
Neuberger Berman Group LLC256,968 to 207,137 shares-$14m
GAMCO Investors Inc44,106 to 43,906 shares-$56k

Left it

Renaissance Technologies LLCwas $83m
Two Sigma Investments LPwas $58m
Quantbot Technologies LPwas $9.8m
First Eagle Investment Management LLCwas $2k

Manager	First listed	Largest	Q2 2026
Capital Research Global Investors	Q4 2017	$817m	$798m
Invesco Ltd	Q3 2013	$755m	$755m
Arrowstreet Capital LP	Q1 2017	$639m	$639m
Citadel Advisors LLC	Q1 2016	$294m	$294m
Janus Henderson Group Ltd	Q2 2013	$453m	$252m
AllianceBernstein LP	Q2 2013	$535m	$240m
Balyasny Asset Management LLC	Q1 2019	$226m	$226m
Baillie Gifford & Co	Q3 2013	$269m	$205m
Man Group PLC	Q2 2021	$203m	$143m
Woodline Partners LP	Q1 2025	$109m	$109m
Acadian Asset Management LLC	Q2 2018	$165m	$97m
Markel Group Inc	Q2 2013	$76m	$76m
Neuberger Berman Group LLC	Q2 2013	$169m	$58m
Point72 Asset Management LP	Q3 2015	$62m	$52m
Schonfeld Strategic Advisors LLC	Q1 2017	$41m	$41m
T. Rowe Price Associates Inc	Q2 2013	$2.3bn	last listed Q1 2026
Wellington Management Group LLP	Q2 2013	$2.0bn	last listed Q3 2025
Fidelity (FMR LLC)	Q2 2013	$1.5bn	last listed Q3 2025
Capital World Investors	Q1 2016	$1.0bn	last listed Q1 2026
MFS Investment Management	Q3 2014	$370m	last listed Q2 2020
Artisan Partners LP	Q1 2016	$344m	last listed Q1 2025
Millennium Management LLC	Q2 2013	$257m	last listed Q2 2024
AQR Capital Management LLC	Q3 2018	$244m	last listed Q1 2026
Renaissance Technologies LLC	Q4 2013	$213m	last listed Q1 2026
Two Sigma Investments LP	Q2 2013	$176m	last listed Q1 2026

What ECL 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 ECL →

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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