← Back to Discover
S&CO INC
Period ended Sep 30, 2026 · Latest filing Nov 10, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $1,768,800
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- MICROSOFT CORP · COM · 594918104 · shares: $103,343
- EXXONMOBIL HOLDINGS CORP · COM · 30233q108 · shares: $85,423
- BERKSHIRE HATHAWAY INC CL B · COM · 084670702 · shares: $81,707
- CATERPILLAR INC. · COM · 149123101 · shares: $72,793
- APPLE INC · COM · 037833100 · shares: $71,827
- ECOLAB INC · COM · 278865100 · shares: $61,888
- MERCK & CO INC · COM · 58933y105 · shares: $61,794
- CHURCH & DWIGHT CO INC · COM · 171340102 · shares: $60,825
- AUTOMATIC DATA PROCESSING INC · COM · 053015103 · shares: $52,083
- AMAZON.COM INC · COM · 023135106 · shares: $49,127
Filing totals differ
The filing summary reports $1,768,800, while the holdings entries total $1,768,691.
Reported holdings
221 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| IDEXX LABS INC COM | COM | 45168d104 | — | 500 shares | $261 |
| AES CORPORATION | COM | 00130H105 | — | 17,000 shares | $253 |
| CSX CORP COM | COM | 126408103 | — | 5,400 shares | $251 |
| REGAL REXNORD CORP | COM | 758750103 | — | 1,600 shares | $248 |
| DOORDASH INC (QSBS STOCK) | COM | 25809k105 | — | 1,341 shares | $246 |
| CAE INC. | COM | 124765108 | — | 10,000 shares | $240 |
| NORTHROP GRUMMAN CORP COM | COM | 666807102 | — | 492 shares | $237 |
| TRANSOCEAN LTD | COM | h8817h100 | — | 45,000 shares | $235 |
| WASTE MANAGEMENT, INC | COM | 94106l109 | — | 1,100 shares | $224 |
| CIGNA GROUP | COM | 125523100 | — | 824 shares | $223 |
| CITIZENS FINANCIAL GROUP INC C | COM | 174610105 | — | 3,500 shares | $223 |
| ZOETIS,INC. CL A | COM | 98978V103 | — | 3,000 shares | $209 |
| AMERICAN WATER WORKS COMPANY, | COM | 030420103 | — | 1,600 shares | $207 |
| IDEX CORPORATION | COM | 45167r104 | — | 900 shares | $205 |
| COLGATE-PALMOLIVE CO COM | COM | 194162103 | — | 2,400 shares | $204 |
| BANK OF NEW YORK MELLON CORP C | COM | 064058100 | — | 1,408 shares | $203 |
| XYLEM INC. | COM | 98419m100 | — | 2,000 shares | $202 |
| HEXCEL CORPORATION | COM | 428291108 | — | 2,400 shares | $201 |
| LANDIS GYR GROUP AG UnSponsore | COM | 51504D105 | — | 13,000 shares | $196 |
| ENERGY RECOVERY, INC. | COM | 29270J100 | — | 15,000 shares | $100 |
| COMPAGNIE de SAINT-GOBAIN SA U | COM | 204280309 | — | 10,000 shares | $78 |