Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in ECL held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 23.1M | $6.42B | +1.1% | 8.191% | 0.10% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 16.5M | $4.61B | +0.1% | 5.876% | 0.10% |
| 3 | JPMORGAN CHASE & CO | 14.6M | $4.07B | +25.4% | 5.195% | 0.23% |
| 4 | STATE STREET CORP | 11.8M | $3.29B | +4.9% | 4.182% | 0.05% |
| 5 | MORGAN STANLEY | 7.8M | $2.18B | +0.5% | 2.781% | 0.12% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.3M | $1.76B | -0.3% | 2.239% | 0.08% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 6.0M | $1.69B | +0.1% | 2.131% | 0.09% |
| 8 | GATES FOUNDATION TRUST | 5.2M | $1.45B | 0.0% | 1.854% | 4.22% |
| 9 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 3.6M | $1.01B | +1.5% | 1.285% | 0.18% |
| 10 | ROYAL BANK OF CANADA | 3.6M | $1.01B | +3.3% | 1.283% | 0.15% |
| 11 | Aristotle Capital Management, LLC | 3.5M | $979.8M | -5.2% | 1.250% | 2.06% |
| 12 | NORGES BANK | 3.4M | $933.6M | β | 1.191% | 0.09% |
| 13 | Capital Research Global Investors | 2.9M | $797.8M | -6.8% | 1.017% | 0.11% |
| 14 | NORTHERN TRUST CORP | 2.7M | $760.6M | -1.8% | 0.970% | 0.09% |
| 15 | Invesco Ltd. | 2.7M | $755.4M | +4.2% | 0.963% | 0.06% |
| 16 | FRANKLIN RESOURCES INC | 2.5M | $699.4M | +0.0% | 0.892% | 0.15% |
| 17 | Pictet Asset Management Holding SA | 2.5M | $697.0M | -23.2% | 0.889% | 0.67% |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.3M | $639.0M | +2.2% | 0.815% | 0.28% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.2M | $626.8M | +42.3% | 0.799% | 0.08% |
| 20 | Amundi | 2.1M | $598.5M | -10.9% | 0.763% | 0.14% |
| 21 | BANK OF AMERICA CORP /DE/ | 2.1M | $578.9M | +5.6% | 0.738% | 0.04% |
| 22 | GOLDMAN SACHS GROUP INC | 1.9M | $541.8M | -3.2% | 0.691% | 0.05% |
| 23 | NORDEA INVESTMENT MANAGEMENT AB | 1.8M | $499.3M | +1.9% | 0.637% | 0.41% |
| 24 | Legal & General Group Plc | 1.8M | $495.1M | -8.4% | 0.631% | 0.10% |
| 25 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt | 1.7M | $475.5M | -5.1% | 0.606% | 0.36% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ECL β a direct measure of their conviction.
Filings activity in ECL during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new ECL position in Q2 2026
Institutions that fully closed their ECL position in Q2 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,711 | +1.4% | 80.39% | +1.35 pp | $61.68B | +6.7% |
| Q1 2026 | 1,688 | +2.9% | 79.04% | +17.12 pp | $57.80B | +0.4% |
| Q4 2025 | 1,640 | +3.3% | 61.92% | 15.98 pp | $57.57B | 1.7% |
| Q3 2025 | 1,588 | 0.4% | 77.90% | 1.83 pp | $58.59B | 12% |
| Q2 2025 | 1,595 | +1.5% | 79.73% | +0.97 pp | $66.53B | +23% |
| Q1 2025 | 1,572 | +4.1% | 78.76% | +19.15 pp | $54.02B | +8.8% |
| Q4 2024 | 1,510 | +3.9% | 59.61% | 15.49 pp | $49.67B | 7.1% |
| Q3 2024 | 1,454 | β | 75.10% | β | $53.46B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as a key fundamental indicator because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 11, 2026 | Clark Benjamin M. | Buy | 1K | $263.83 | $264K |
| Jun 10, 2026 | Doukeris Michel D | Buy | 8K | $258.00 | $2.0M |
| May 13, 2026 | MacLennan David | Buy | 1K | $250.65 | $251K |
| May 4, 2026 | MacLennan David | Buy | 800 | $256.91 | $206K |
Quick answers to the most common questions about buying ECL stock.
Based on Q2 2026 13F filings, institutional ownership of Ecolab Inc. stands at 80.4%, held across 1,711 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ECL, with approximately 23,051,363 shares worth $6.42B as of Q2 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of ECL, including GATES FOUNDATION TRUST.
Our composite Smart Money Score for ECL is 59 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
117 institutions opened new positions in ECL during Q2 2026, while 115 fully exited. 1,133 added to existing positions and 402 trimmed.
ECL institutional ownership rose by 1.35 percentage points quarter-over-quarter, with a net change of +23 holders.
The top 10 institutions account for 44.6% of all reported 13F value in ECL, and the top 25 account for 60.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Ecolab Inc. (ECL) Institutional Ownership