Michael J. Puzo’s Ecolab ECL Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | – | Sell |
-1,675
| Closed | -$440K | – | 69 |
|
|
2025
Q4 | $440K | Hold |
1,675
| – | – | 0.12% | 53 |
|
|
2025
Q3 | $459K | Hold |
1,675
| – | – | 0.13% | 50 |
|
|
2025
Q2 | $451K | Sell |
1,675
-150
| -8% | -$38.1K | 0.13% | 52 |
|
|
2025
Q1 | $463K | Hold |
1,825
| – | – | 0.13% | 52 |
|
|
2024
Q4 | $428K | Sell |
1,825
-100
| -5% | -$24.9K | 0.12% | 52 |
|
|
2024
Q3 | $492K | Hold |
1,925
| – | – | 0.13% | 53 |
|
|
2024
Q2 | $458K | Sell |
1,925
-300
| -13% | -$69.3K | 0.13% | 55 |
|
|
2024
Q1 | $514K | Hold |
2,225
| – | – | 0.14% | 56 |
|
|
2023
Q4 | $441K | Hold |
2,225
| – | – | 0.14% | 54 |
|
|
2023
Q3 | $377K | Hold |
2,225
| – | – | 0.13% | 61 |
|
|
2023
Q2 | $415K | Hold |
2,225
| – | – | 0.13% | 63 |
|
|
2023
Q1 | $368K | Hold |
2,225
| – | – | 0.12% | 64 |
|
|
2022
Q4 | $324K | Hold |
2,225
| – | – | 0.12% | 65 |
|
|
2022
Q3 | $321K | Hold |
2,225
| – | – | 0.12% | 66 |
|
|
2022
Q2 | $342K | Hold |
2,225
| – | – | 0.12% | 65 |
|
|
2022
Q1 | $393K | Hold |
2,225
| – | – | 0.12% | 68 |
|
|
2021
Q4 | $522K | Hold |
2,225
| – | – | 0.15% | 64 |
|
|
2021
Q3 | $464K | Hold |
2,225
| – | – | 0.15% | 62 |
|
|
2021
Q2 | $458K | Sell |
2,225
-25
| -1% | -$5.43K | 0.14% | 63 |
|
|
2021
Q1 | $482K | Hold |
2,250
| – | – | 0.15% | 61 |
|
|
2020
Q4 | $487K | Hold |
2,250
| – | – | 0.16% | 60 |
|
|
2020
Q3 | $450K | Hold |
2,250
| – | – | 0.16% | 60 |
|
|
2020
Q2 | $448K | Hold |
2,250
| – | – | 0.17% | 57 |
|
|
2020
Q1 | $350K | Sell |
2,250
-200
| -8% | -$37.6K | 0.15% | 61 |
|
|
2019
Q4 | $473K | Hold |
2,450
| – | – | 0.17% | 57 |
|
|
2019
Q3 | $486K | Buy |
2,450
+250
| +11% | +$50.1K | 0.18% | 59 |
|
|
2019
Q2 | $434K | Buy |
+2,200
| New | +$409K | 0.16% | 62 |
|
|
2015
Q4 | – | Sell |
-50
| Closed | -$5K | – | 84 |
|
|
2015
Q3 | $5K | Buy |
50
+30
| +150% | +$3.36K | ﹤0.01% | 109 |
|
|
2015
Q2 | $2K | Hold |
20
| – | – | ﹤0.01% | 117 |
|
|
2015
Q1 | $2K | Buy |
+20
| New | +$2.19K | ﹤0.01% | 122 |
|
Other funds holding ECL
Michael J. Puzo's ECL Position: Q1 2026 in Review
Michael J. Puzo sold out of Ecolab (ECL) in Q1 2026, closing a stake of 1,675 shares — an estimated $440K sold.
Michael J. Puzo first reported a position in ECL in Q1 2015 and held it in 30 quarters. The position peaked at $522K in Q4 2021. 1,700 funds tracked by Wall St. Rank hold ECL as of Q1 2026.
- Michael J. Puzo reported no remaining Ecolab position as of Q1 2026 after selling out during the quarter.
- Michael J. Puzo sold 1,675 Ecolab shares in Q1 2026, an estimated $440K.
- Michael J. Puzo first reported a position in Ecolab in Q1 2015 and held it in 30 quarters.
- Michael J. Puzo's Ecolab position peaked at $522K in Q4 2021.
- 1,700 funds tracked by Wall St. Rank held Ecolab as of Q1 2026.
Based on Michael J. Puzo's 13F filing for Q1 2026, filed 7 May 2026.