S&CO Inc 13F Holdings · Q2 2026
S&CO Inc reported 222 securities worth $1.73B in its SEC 13F filing for Q2 2026 (period ended 2026-06-30). Top holdings: CAT (5.79%), BRKB (4.74%), MSFT (4.27%). Among its top 25 positions this quarter: 1 new, 6 added, 11 trimmed.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | CAT | CATERPILLAR INC. | $100.2M | 5.79% | 94,076 | Trimmed |
| 2 | BRKB | BERKSHIRE HATHAWAY INC CL B | $82.1M | 4.74% | 164,075 | Hold |
| 3 | MSFT | MICROSOFT CORP | $74.0M | 4.27% | 198,340 | Added |
| 4 | XOM | EXXONMOBIL HOLDINGS CORP | $71.9M | 4.15% | 526,003 | New |
| 5 | AAPL | APPLE INC | $63.9M | 3.69% | 220,707 | Trimmed |
| 6 | CHD | CHURCH & DWIGHT CO INC | $62.9M | 3.64% | 649,655 | Trimmed |
| 7 | ECL | ECOLAB INC | $62.9M | 3.64% | 225,862 | Trimmed |
| 8 | MRK | MERCK & CO INC | $54.7M | 3.16% | 425,528 | Hold |
| 9 | AMZN | AMAZON.COM INC | $46.9M | 2.71% | 196,975 | Trimmed |
| 10 | ADP | AUTOMATIC DATA PROCESSING INC | $45.2M | 2.61% | 201,978 | Hold |
| 11 | GOOG | ALPHABET INC CLASS C | $41.7M | 2.41% | 118,113 | Hold |
| 12 | JNJ | JOHNSON & JOHNSON | $39.9M | 2.30% | 157,098 | Hold |
| 13 | GOOGL | ALPHABET INC CAP STK CL A | $33.9M | 1.96% | 94,857 | Trimmed |
| 14 | CCJ | CAMECO CORP | $31.9M | 1.85% | 313,626 | Trimmed |
| 15 | PANW | PALO ALTO NETWORKS INC | $31.3M | 1.81% | 91,852 | Added |
| 16 | GLD | SPDR GOLD TRUST | $29.7M | 1.71% | 80,565 | Hold |
| 17 | APD | AIR PRODUCTS & CHEMICALS INC C | $27.7M | 1.60% | 94,594 | Added |
| 18 | LLY | ELI LILLY & CO COM | $26.7M | 1.55% | 22,300 | Added |
| 19 | MOS | MOSAIC COMPANY | $22.1M | 1.27% | 1.0M | Added |
| 20 | PROSY | PROSUS NV -SPON ADR | $21.7M | 1.25% | 2.5M | Added |
| 21 | TMO | THERMO FISHER SCIENTIFIC INC C | $20.7M | 1.20% | 41,387 | Trimmed |
| 22 | RPRX | ROYALTY PHARMA PLC CL A | $20.1M | 1.16% | 358,302 | Trimmed |
| 23 | PYPL | PAYPAL HOLDINGS INC | $18.8M | 1.09% | 436,017 | Trimmed |
| 24 | UNP | UNION PACIFIC CORP | $18.9M | 1.09% | 69,353 | Hold |
| 25 | LLYVK | LIBERTY MEDIA CORP-LIBERTY LIV | $18.5M | 1.07% | 174,783 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30
Every position in this 13F-HR, with its change from the prior quarter.
13F holdings, latest quarter
SourceSEC EDGAR13F-HR