Ecolab Inc. (ECL) Institutional Ownership

Ownership Summary

Recent 13F filings as of December 2025 show that 90 institutional investors hold a position in Ecolab Inc. (NYSE:ECL).

• The collective stake of institutional investors in Ecolab moved to 1.3% in December 2025, a shift down from the 77.5% reported for September 2025.
• Quarterly data indicates a -5.92% shift in institutional share volume, and the annual owner count reflects a decrease of 94.15%.
• A review of institutional activity for Ecolab shows 27 of 90 filers increasing their positions, while 40 reduced their stake, and 23 remained unchanged.
• The total number of shares held by institutions in Ecolab decreased to 3.73Mn as of December 2025, a net change of down by 234.45K shares quarter on quarter, and down 217.59Mn shares year over year.
• As of December 31, 2025, NORDEA INVESTMENT MANAGEMENT AB held Ecolab's largest shareholding position with over 1.72Mn shares, representing 0.60% of total outstanding shares.
• Among the most significant buyers of Ecolab during December 2025 were SG Americas Securities, LLC (282.42K), NORDEA INVESTMENT MANAGEMENT AB (65.84K), Gradient Investments LLC (12.89K), Avanza Fonder AB (3.27K), Czech National Bank (2.39K).
• Leading sellers of Ecolab stock in December 2025 included Assenagon Asset Management S.A. (504.94K), Union Bancaire Privee, UBP SA (65.89K), CONGRESS ASSET MANAGEMENT CO (8.48K), Sarasin & Partners LLP (6.05K), PARK NATIONAL CORP /OH/ (5.69K).
• The top 10 institutional holders of Ecolab for the quarter ending December 2025 included NORDEA INVESTMENT MANAGEMENT AB (1.72Mn), CONGRESS ASSET MANAGEMENT CO (482.23K), SG Americas Securities, LLC (283.81K), Union Bancaire Privee, UBP SA (169.39K), DUDLEY & SHANLEY, INC. (105.06K), Gradient Investments LLC (100.54K), CONFLUENCE INVESTMENT MANAGEMENT LLC (98.30K), MassMutual Private Wealth & Trust, FSB (95.55K), Bath Savings Trust Co (77.46K), Czech National Bank (67.22K).