Ticker · CUSIP 278865100

ECL

ECOLAB INC

Basic Materials·Specialty Chemicals

···Share

Holders (tracked)

Combined shares

7,641,548

Combined value

$1.67B

Last close

$269.23

Quarter

2025Q4

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

Price is +23.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

29 events

Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+38,025 shares · 2025Q4
13F
Ken Griffin (Citadel Advisors) trimmed2026-02-17
−260,025 shares · 2025Q4
13F
D.E. Shaw & Co. added2026-02-17
+99,955 shares · 2025Q4
13F
AQR Capital Management added2026-02-17
+146,677 shares · 2025Q4
13F
Two Sigma Investments added2026-02-17
+108,997 shares · 2025Q4
13F
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−68,289 shares · 2025Q4
13F
Steve Cohen (Point72) exited2026-02-17
−1,300 shares · 2025Q4
13F
Wellington Management trimmed2026-02-17
−1,541,913 shares · 2025Q4
13F
T. Rowe Price trimmed2026-02-17
−891,081 shares · 2025Q4
13F
Ray Dalio (Bridgewater Associates) trimmed2026-02-13
−24,330 shares · 2025Q4
13F
Renaissance Technologies exited2026-02-12
−104,142 shares · 2025Q4
13F
Norges Bank (Norway SWF) opened position2026-02-10
+3,354,053 shares · 2025Q4
13F
Ken Fisher (Fisher Asset Mgmt) added2026-02-09
+502 shares · 2025Q4
13F
Mario Gabelli (GAMCO) trimmed2026-02-05
−2,610 shares · 2025Q4
13F
First Eagle Investment Management opened position2026-02-04
+15 shares · 2025Q4
13F
Baillie Gifford & Co trimmed2026-01-23
−20,664 shares · 2025Q4
13F
AQR Capital Management added2025-11-14
+55,500 shares · 2025Q3
13F
Izzy Englander (Millennium Mgmt) added2025-11-14
+138,185 shares · 2025Q3
13F
Two Sigma Investments added2025-11-14
+67,576 shares · 2025Q3
13F
D.E. Shaw & Co. trimmed2025-11-14
−256,794 shares · 2025Q3
13F
T. Rowe Price added2025-11-14
+1,718,268 shares · 2025Q3
13F
Wellington Management trimmed2025-11-14
−3,043,674 shares · 2025Q3
13F
Renaissance Technologies trimmed2025-11-13
−272,155 shares · 2025Q3
13F
Ray Dalio (Bridgewater Associates) opened position2025-11-13
+46,744 shares · 2025Q3
13F
Norges Bank (Norway SWF) exited2025-11-13
−3,145,575 shares · 2025Q3
13F
Norges Bank (Norway SWF) trimmed2025-11-12
−48,133 shares · 2024Q3
13F
Ken Fisher (Fisher Asset Mgmt) added2025-11-12
+358 shares · 2025Q3
13F
Mario Gabelli (GAMCO) trimmed2025-11-12
−1,135 shares · 2025Q3
13F
Baillie Gifford & Co trimmed2025-10-31
−16,675 shares · 2025Q3
13F

Insider activity

No insider transactions in the last 30 days.

View full insider history for ECL →

Follow-the-investor returns

If you'd copied each holder of ECL…

Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
T. Rowe Price	2016Q1	$21.78	+1136.1%	$348.0M
Mario Gabelli (GAMCO)	2016Q1	$111.52	+141.4%	$17.3M
Boykin Curry (Eagle Capital)	2016Q1	$127.21	+111.6%	$6.0M
Tom Gayner (Markel Group)	2016Q1	$128.50	+109.5%	$73.8M
Wellington Management	2016Q1	$157.37	+71.1%	$33.9M
Baillie Gifford & Co	2017Q1	$196.68	+36.9%	$186.0M
Ken Fisher (Fisher Asset Mgmt)	2022Q1	$219.86	+22.5%	$561K
Two Sigma Investments	2016Q1	$234.44	+14.8%	$91.7M
D.E. Shaw & Co.	2016Q1	$250.48	+7.5%	$63.1M
AQR Capital Management	2016Q1	$256.45	+5.0%	$250.3M
Paul Tudor Jones (Tudor Investment)	2016Q1	$262.53	+2.6%	$835K
Paul Tudor Jones (Tudor Investment)	2016Q1	$262.53	+2.6%	$835K
Paul Tudor Jones (Tudor Investment)	2016Q1	$262.53	+2.6%	$835K
First Eagle Investment Management	2025Q4	$262.53	+2.6%	$4K
Izzy Englander (Millennium Mgmt)	2016Q1	$263.44	+2.2%	$6.1M
Izzy Englander (Millennium Mgmt)	2016Q1	$263.44	+2.2%	$6.1M
Izzy Englander (Millennium Mgmt)	2016Q1	$263.44	+2.2%	$6.1M
Ken Griffin (Citadel Advisors)	2016Q1	$268.09	+0.4%	$6.1M
Ken Griffin (Citadel Advisors)	2016Q1	$268.09	+0.4%	$6.1M
Ken Griffin (Citadel Advisors)	2016Q1	$268.09	+0.4%	$6.1M
Ray Dalio (Bridgewater Associates)	2017Q3	$272.71	-1.3%	$6.0M
Norges Bank (Norway SWF)	2016Q1	$1994.55	-86.5%	$903.0M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.

New positions3

Norges Bank (Norway SWF)
+3,354,053
$880.5M
Paul Tudor Jones (Tudor Investment)
+38,025
$10.0M
First Eagle Investment Management
+15
$4K

Added to4

AQR Capital Management
+146,677
$38.5M
Two Sigma Investments
+108,997
$28.6M
D.E. Shaw & Co.
+99,955
$26.2M
Ken Fisher (Fisher Asset Mgmt)
+502
$132K

Trimmed7

Wellington Management
−1,541,913
$404.8M
Ken Griffin (Citadel Advisors)
−260,025
$68.3M
Izzy Englander (Millennium Mgmt)
−68,289
$17.9M
Ray Dalio (Bridgewater Associates)
−24,330
$6.4M
Baillie Gifford & Co
−20,664
$5.4M
Mario Gabelli (GAMCO)
−2,610
$685K
T. Rowe Price
−891,081
$234K

Exited2

Renaissance Technologies
−104,142
$28.5M
Steve Cohen (Point72)
−1,300
$356K

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	20	35,815,494	$269.66B	—
2022Q2	19	36,852,685	$227.34B	-1
2022Q3	16	37,330,706	$364.1M	-3
2022Q4	18	40,444,679	$5.54B	+2
2023Q1	21	40,281,468	$6.36B	+3
2023Q2	23	37,680,943	$6.91B	+2
2023Q3	23	27,138,998	$4.47B	—
2023Q4	21	27,285,708	$5.28B	-2
2024Q1	23	34,321,419	$7.70B	+2
2024Q2	22	33,769,340	$7.94B	-1
2024Q3	22	10,316,118	$2.52B	—
2024Q4	21	5,751,188	$1.25B	-1
2025Q1	22	8,878,471	$2.13B	+1
2025Q2	20	11,557,867	$2.99B	-2
2025Q3	19	6,844,078	$1.28B	-1
2025Q4	22	7,641,548	$1.67B	+3

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-10-31	Lisa McClain	Sell	$1K – $15K	PDF ↗
2025-10-30	Lisa McClain	Sell	$1K – $15K	PDF ↗
2025-10-30	Lisa McClain	Buy	$1K – $15K	PDF ↗
2025-04-07	Jefferson Shreve	Buy	$100K – $250K	PDF ↗
2024-12-11	Lisa McClain	Buy	$1K – $15K	PDF ↗

Who owns ECL

22 super-investors · 2025Q4

Tracked stake

7.64M

Combined value

$1.67B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New5Added4Trim11Held2

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	Norges Bank Norway SWF	3.35M	$881M	0.1%	New+3.35M
2	AQR Capital Management	929.5K	$244M	0.1%	Added+146.7K
3	Baillie Gifford & Co	691.0K	$181M	0.2%	Trim−20.7K
4	Two Sigma Investments	340.5K	$89M	0.1%	Added+109.0K
5	Tom Gayner Markel Group	274.3K	$72M	0.6%	Held
6	D.E. Shaw & Co.	234.4K	$62M	0.0%	Added+100.0K
7	Wellington Management	125.9K	$33M	0.0%	Trim−1.54M
8	Izzy Englander Millennium Mgmt	122.0K	$32M	0.0%	Trim−68.3K
9	Mario Gabelli GAMCO	64.1K	$17M	0.2%	Trim−2.6K
10	Ken Griffin Citadel Advisors	56.8K	$15M	0.0%	Trim−260.0K
11	Paul Tudor Jones Tudor Investment	38.0K	$10M	0.0%	New+38.0K
12	Izzy Englander Millennium Mgmt	22.7K	$6M	0.0%	Trim−68.3K
13	Ken Griffin Citadel Advisors	22.7K	$6M	0.0%	Trim−260.0K
14	Boykin Curry Eagle Capital	22.5K	$6M	0.0%	Held
15	Ray Dalio Bridgewater Associates	22.4K	$6M	0.0%	Trim−24.3K
16	Ken Griffin Citadel Advisors	11.5K	$3M	0.0%	Trim−260.0K
17	Izzy Englander Millennium Mgmt	10.4K	$3M	0.0%	Trim−68.3K
18	Paul Tudor Jones Tudor Investment	3.1K	$814K	0.0%	New+38.0K
19	Ken Fisher Fisher Asset Mgmt	2.1K	$547K	0.0%	Added+502
20	T. Rowe Price	1.29M	$339K	0.0%	Trim−891.1K
21	Paul Tudor Jones Tudor Investment	800	$210K	0.0%	New+38.0K
22	First Eagle Investment Management	15	$4K	0.0%	New+15	—

Recent moves

20 transactions

ADDTwo Sigma Investments
+108,997 · 2025Q4
ADDD.E. Shaw & Co.
+99,955 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+38,025 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−68,289 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−260,025 · 2025Q4
SOLDSteve Cohen (Point72)
−1,300 · 2025Q4
TRIMWellington Management
−1,541,913 · 2025Q4
ADDAQR Capital Management
+146,677 · 2025Q4
TRIMT. Rowe Price
−891,081 · 2025Q4
TRIMRay Dalio (Bridgewater Associates)
−24,330 · 2025Q4
SOLDRenaissance Technologies
−104,142 · 2025Q4
NEWNorges Bank (Norway SWF)
+3,354,053 · 2025Q4
ADDKen Fisher (Fisher Asset Mgmt)
+502 · 2025Q4
TRIMMario Gabelli (GAMCO)
−2,610 · 2025Q4
NEWFirst Eagle Investment Management
+15 · 2025Q4
TRIMBaillie Gifford & Co
−20,664 · 2025Q4
ADDTwo Sigma Investments
+67,576 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+138,185 · 2025Q3
TRIMD.E. Shaw & Co.
−256,794 · 2025Q3
ADDT. Rowe Price
+1,718,268 · 2025Q3

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