# ECOLAB INC (ECL) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 278865100
Page URL: https://superinvestorclub.com/stock/ECL
Last updated: 2026-08-29T13:48:54.453Z

## Summary

As of the most recent 13F filing period, ECOLAB INC (ECL) is held by 5 tracked superinvestors with an aggregate position value of $1.77B representing 052180447775412743005843622436 shares.

## Top institutional holders (5)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Bill & Melinda Gates Foundation](https://superinvestorclub.com/manager/3) | Bill & Melinda Gates Foundation Trust | 5218044 | $1.45B | 4.22% | 2026-06-30 |
| 2 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 777541 | $216.6M | 1.99% | 2026-06-30 |
| 3 | [Tom Gayner](https://superinvestorclub.com/manager/22) | Markel Group | 274300 | $76.4M | 0.58% | 2026-06-30 |
| 4 | [Jensen Investment Management](https://superinvestorclub.com/manager/93) | Jensen Investment Management | 58436 | $16.3M | 0.39% | 2026-06-30 |
| 5 | [Boykin Curry](https://superinvestorclub.com/manager/3282) | Eagle Capital Management | 22436 | $6.3M | 0.02% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2023-06-30: 1 holders, $4.6M aggregate, 024732 shares
- 2023-09-30: 1 holders, $4.2M aggregate, 024732 shares
- 2023-12-31: 1 holders, $4.9M aggregate, 024732 shares
- 2024-03-31: 4 holders, $1.28B aggregate, 052180442743004238324595 shares
- 2024-06-30: 4 holders, $1.31B aggregate, 05218044274300242431673 shares
- 2024-09-30: 5 holders, $1.61B aggregate, 05218044794679274300224711103 shares
- 2024-12-31: 4 holders, $1.48B aggregate, 0521804478330927430022471 shares
- 2025-03-31: 6 holders, $1.90B aggregate, 0521804411270767731862743006898622471 shares
- 2025-06-30: 6 holders, $2.01B aggregate, 0521804410951507889292743006798622471 shares
- 2025-09-30: 7 holders, $1.78B aggregate, 0521804477702927430078513669864674422471 shares
- 2025-12-31: 7 holders, $1.67B aggregate, 0521804477057127430059960224712241415 shares
- 2026-03-31: 7 holders, $1.69B aggregate, 052180447618182743005886022436162198 shares

## Recent congressional trades (12)

- 2025-11-10: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-10-31: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-10-30: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-10-30: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-10-07: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-05-08: Jefferson Shreve (Republican-IN) sale $100,001 - $250,000
- 2025-04-23: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-04-07: Jefferson Shreve (Republican-IN) purchase $100,001 - $250,000
- 2025-02-26: John Boozman (Republican-AR) purchase $1,001 - $15,000
- 2025-01-22: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-01-17: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2024-12-11: Lisa McClain (Republican-MI) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "ECOLAB INC (ECL) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/ECL), aggregating SEC 13F, Form 4, and congressional disclosures."