Ecolab Inc. (ECL) Ownership

NYSE: ECLTop holders, insider trades and short interest.

ECL ownership summary

as of October 18, 2026
Institutions
94.2%
of shares outstanding
Insiders
0.15%
of shares outstanding
Shares outstanding
280.3M
Float
279.7M
shares available to trade
Short interest
2.19%
5.4M shares short
Days to cover
4.42
short interest up 13.4% vs prior month
  • Institutions 94.18%
  • Insiders 0.15%
  • Other investors 5.67%

ECL top institutional holders

20 largest
Ecolab Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.22%23.1M$6.66B+244,267 (+1.1%)June 30, 2026
2Vanguard Capital Management, LLC5.90%16.5M$4.78B+14,701 (+0.1%)June 30, 2026
3JPMorgan Chase & Co5.22%14.6M$4.22B+3.0M (+25.4%)June 30, 2026
4State Street Corp4.20%11.8M$3.40B+548,061 (+4.9%)June 30, 2026
5Morgan Stanley - Brokerage Accounts2.79%7.8M$2.26B+36,268 (+0.5%)June 30, 2026
6Vanguard Portfolio Management, LLC2.25%6.3M$1.82B−18,054 (−0.3%)June 30, 2026
7Geode Capital Management, LLC2.14%6.0M$1.73B+5,498 (+0.1%)June 30, 2026
8Gates Bill & Melinda Foundation1.86%5.2M$1.51B—June 30, 2026
9UBS Asset Mgmt Americas Inc1.29%3.6M$1.05B+51,712 (+1.5%)June 30, 2026
10Royal Bank of Canada1.29%3.6M$1.04B+114,722 (+3.3%)June 30, 2026
11Aristotle Capital Management LLC1.25%3.5M$1.02B−191,668 (−5.2%)June 30, 2026
12NORGES BANK1.20%3.4M$968.0M−3,228 (−0.1%)June 30, 2026
13Capital Research Global Investors1.02%2.9M$827.2M−209,097 (−6.8%)June 30, 2026
14Northern Trust Corp0.97%2.7M$788.6M−50,490 (−1.8%)June 30, 2026
15Amvescap Plc.0.97%2.7M$783.2M+109,583 (+4.2%)June 30, 2026
16Franklin Templeton Inc0.90%2.5M$725.2M+733 (+0.0%)June 30, 2026
17Pictet Asset Manangement SA0.89%2.5M$722.7M−757,470 (−23.2%)June 30, 2026
18Arrowstreet Capital Limited Partnership0.82%2.3M$662.6M+49,721 (+2.2%)June 30, 2026
19Charles Schwab Investment Management Inc0.80%2.2M$649.9M+668,417 (+42.3%)June 30, 2026
20Amundi0.77%2.1M$620.7M−263,574 (−10.9%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 4.8M shares and 7 cut 1.5M.

ECL top mutual fund and ETF holders

20 largest
Ecolab Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.87%8.0M$2.33B−16,344 (−0.2%)August 31, 2026
2Vanguard 500 Index Investor2.36%6.6M$1.91B−101,827 (−1.5%)September 30, 2026
3iShares Core S&P 500 ETF1.20%3.4M$971.1M−5,402 (−0.2%)September 30, 2026
4Fidelity 500 Index1.17%3.3M$949.9M+12,634 (+0.4%)August 31, 2026
5State Street® SPDR® S&P 500® ETF1.10%3.1M$892.7M—September 30, 2026
6Vanguard MStar Growth Index Investor1.06%3.0M$856.5M+107,977 (+3.8%)September 30, 2026
7JPMorgan Equity Premium Income ETF0.63%1.8M$513.1M+1,100 (+0.1%)September 30, 2026
8American Funds American Mutual A0.52%1.5M$419.9M—September 30, 2026
9Vanguard Dividend Appreciation ETF0.51%1.4M$412.4M−6,398 (−0.4%)September 30, 2026
10State Street®MatSelSectSPDR®ETF0.48%1.3M$389.4M−423 (−0.0%)September 30, 2026
11Vanguard Institutional Index I0.48%1.3M$385.6M−19,293 (−1.4%)September 30, 2026
12Vanguard Windsor II Inv0.44%1.2M$356.8M—June 30, 2026
13Franklin Rising Dividends A0.44%1.2M$356.8M—August 31, 2026
14Blackrock ACS NA ESG Insgts Eq X1 P Acc0.37%1.0M$303.3M+27,919 (+2.7%)August 31, 2026
15American Funds AMCAP A0.37%1.0M$297.3M−191,195 (−15.7%)September 30, 2026
16JPMorgan US Equity L0.33%922K$266.5M+922,473 (0.0%)August 31, 2026
17Bridge Builder Large Cap Growth0.32%886K$256.1M—September 30, 2026
18Pictet-Water I EUR0.32%886K$256.0M+39,322 (+4.6%)September 30, 2026
19Vanguard Materials ETF0.28%796K$229.9M+51,914 (+7.0%)September 30, 2026
20Folksam LO Världen0.28%787K$227.4M—September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

ECL insider transactions

latest 19
Ecolab Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-30Ro KhannaSell$262.31——
2026-03-23Ro KhannaBuy$261.68——
2026-02-25Tracy B MckibbenSell$308.661,265$390,455
2026-02-24Christophe BeckSell$307.3720,000$6.1M
2026-01-29Ro KhannaSell$282.59——
2025-12-08David MaclennanBuy$257.60750$193,200
2025-11-24Boo Alexander A DeSell$268.251,422$381,452
2025-11-12Christophe BeckSell$261.4121,714$5.7M
2025-11-10Ro KhannaSell$258.59——
2025-10-31Lisa C. McClainSell$256.51——
2025-10-30Lisa C. McClainSell$256.80——
2025-10-30Lisa C. McClainBuy$256.80——
2025-10-07Ro KhannaBuy$278.80——
2025-09-05Ro KhannaSell$273.56——
2025-08-19Suzanne M VautrinotSell$283.161,354$383,399
2025-08-13David MaclennanBuy$278.51600$167,106
2025-08-13Jennifer J BradwaySell$279.28807$225,379
2025-05-08Jefferson ShreveSell$253.32——
2025-05-07David MaclennanBuy$251.75500$125,875

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

ECL shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ECL

Institutional investors own 94.2% of Ecolab's shares and insiders 0.15%. The largest holder is BlackRock Inc with 8.22% of the shares (23.1M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 7 reduced their stake in the latest filings. Short interest is 2.19% of the float, or 4.42 days of average trading volume. The share count fell 7.0% since 2014.

Related: ECL analyst forecast, ECL key metrics, ECL dividend history. See the ECL stock overview for the latest quote and news.

ECL ownership FAQ

Who owns the most Ecolab stock?

The largest shareholders of Ecolab are BlackRock Inc (8.22%), Vanguard Capital Management, LLC (5.90%), JPMorgan Chase & Co (5.22%), State Street Corp (4.20%), Morgan Stanley - Brokerage Accounts (2.79%).

What percentage of Ecolab is owned by institutions?

Institutions hold 94.2% of Ecolab's shares outstanding; insiders hold 0.15%.

Which funds own Ecolab?

The largest fund holders of Ecolab are Vanguard MStar Total Stk Mkt Idx Invest (2.87%), Vanguard 500 Index Investor (2.36%), iShares Core S&P 500 ETF (1.20%), Fidelity 500 Index (1.17%), State Street® SPDR® S&P 500® ETF (1.10%).

What is Ecolab's short interest?

5.4M shares of Ecolab were sold short, 2.19% of the float; at the average daily volume it would take 4.42 days to cover.

Are insiders buying or selling Ecolab?

Of the latest 19 reported insider transactions in Ecolab (since May 7, 2025), 6 were purchases and 13 were sales.

How many shares of Ecolab are outstanding?

Ecolab has 280.3M shares outstanding, of which 279.7M are in the public float.

Specialty Chemicals: ownership