S&CO INC — 13F Holdings & Portfolio
CIK 1082461 · latest 13F-HR filed 2026-05-07
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
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AUM
$1.6M
Long-equity book
Holdings
218
Distinct positions
Period
2026-03-31
Filed 2026-05-07
Q/Q Activity
+4 / −4 / ↑66 / ↓90
vs 2025-12-31
Firm Profile & Key People
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- EXXON MOBIL CORP$25.8K +40.7%
- CATERPILLAR INC COM$9.6K +16.0%
- CHURCH & DWIGHT CO INC$6.6K +12.3%
- MERCK & CO INC$6.4K +14.3%
- JOHNSON & JOHNSON$5.6K +17.2%
Top Trims
- MICROSOFT CORP-$12.9K -15.5%
- AUTOMATIC DATA PROCESSING INC-$11.1K -21.3%
- PROSUS NV -SPON ADR-$8.7K -28.0%
- ABBOTT LABS-$7.9K -27.8%
- BOSTON SCIENTIFIC CORP-$5.6K -34.6%
New Positions
- ASTRAZENECA PLC$9.8K
- TRANSOCEAN LTD$298
- CSX CORP COM$221
- COLGATE-PALMOLIVE CO COM$204
Exited Positions
- CANADIAN PACIFIC KANSAS CITY L$1.0K
- FAIR ISAAC CORP COM$219
- LKQ CORP COM$217
- XYLEM INC.$217
All Holdings
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | EXXON MOBIL CORP | XOM | 30231G102 | $89.2K | 5.54% | 526,003 | SH |
| 2 | BERKSHIRE HATHAWAY INC CL B | BRK.B | 084670702 | $78.6K | 4.88% | 164,075 | SH |
| 3 | MICROSOFT CORP | MSFT | 594918104 | $70.4K | 4.37% | 190,197 | SH |
| 4 | CATERPILLAR INC COM | CAT | 149123101 | $70.0K | 4.34% | 98,827 | SH |
| 5 | CHURCH & DWIGHT CO INC | CHD | 171340102 | $60.7K | 3.76% | 650,230 | SH |
| 6 | ECOLAB INC | ECL | 278865100 | $60.1K | 3.73% | 226,060 | SH |
| 7 | APPLE INC | AAPL | 037833100 | $59.0K | 3.66% | 232,357 | SH |
| 8 | MERCK & CO INC | MRK | 58933Y105 | $51.2K | 3.18% | 425,528 | SH |
| 9 | AMAZON.COM INC | AMZN | 023135106 | $41.1K | 2.55% | 197,153 | SH |
| 10 | AUTOMATIC DATA PROCESSING INC | ADP | 053015103 | $41.0K | 2.55% | 201,978 | SH |
| 11 | JOHNSON & JOHNSON | JNJ | 478160104 | $38.4K | 2.38% | 157,098 | SH |
| 12 | CAMECO CORP | CCJ | 13321L108 | $35.6K | 2.21% | 327,574 | SH |
| 13 | SPDR GOLD TRUST | GLD | 78463V107 | $34.7K | 2.15% | 80,565 | SH |
| 14 | ALPHABET INC CLASS C | GOOG | 02079K107 | $33.9K | 2.10% | 118,113 | SH |
| 15 | AIR PRODUCTS & CHEMICALS INC C | APD | 009158106 | $27.4K | 1.70% | 94,428 | SH |
| 16 | ALPHABET INC CAP STK CL A | GOOGL | 02079K305 | $27.3K | 1.70% | 95,087 | SH |
| 17 | MOSAIC COMPANY | MOS | 61945C103 | $24.6K | 1.52% | 963,667 | SH |
| 18 | PROSUS NV -SPON ADR | PROSF | 74365P108 | $22.4K | 1.39% | 2,497,466 | SH |
| 19 | ANTERO RESOURCES CORP | AR | 03674X106 | $20.7K | 1.28% | 487,604 | SH |
| 20 | THERMO FISHER SCIENTIFIC INC C | TMO | 883556102 | $20.6K | 1.28% | 41,827 | SH |
| 21 | ABBOTT LABS | ABT | 002824100 | $20.5K | 1.27% | 199,720 | SH |
| 22 | PAYPAL HOLDINGS INC | PYPL | 70450Y103 | $20.1K | 1.25% | 445,270 | SH |
| 23 | ELI LILLY & CO COM | LLY | 532457108 | $19.8K | 1.23% | 21,519 | SH |
| 24 | ROYALTY PHARMA PLC CL A | RPRX | G7709Q104 | $17.2K | 1.07% | 358,377 | SH |
| 25 | UNION PACIFIC CORP | UNP | 907818108 | $16.8K | 1.04% | 69,353 | SH |
| 26 | LIBERTY MEDIA CORP-LIBERTY LIV | LLYVK | 530909308 | $16.6K | 1.03% | 176,571 | SH |
| 27 | H.B. FULLER CO. | FUL | 359694106 | $16.1K | 1.00% | 261,171 | SH |
| 28 | PALO ALTO NETWORKS INC | PANW | 697435105 | $13.9K | 0.86% | 86,925 | SH |
| 29 | SIRIUS XM HOLDINGS INC | SIRI | 829933100 | $13.4K | 0.83% | 581,427 | SH |
| 30 | LINDE PLC | LIN | G54950103 | $12.9K | 0.80% | 26,052 | SH |
| 31 | NVIDIA CORP COM | NVDA | 67066G104 | $12.6K | 0.78% | 72,156 | SH |
| 32 | SPDR S&P BIOTECH ETF | XBI | 78464A870 | $12.0K | 0.75% | 94,280 | SH |
| 33 | PEPSICO INC | PEP | 713448108 | $12.0K | 0.74% | 76,982 | SH |
| 34 | UNITEDHEALTH GROUP INC COM | UNH | 91324P102 | $11.9K | 0.74% | 44,072 | SH |
| 35 | VISA INC. CL A | V | 92826C839 | $11.3K | 0.70% | 37,553 | SH |
| 36 | EVERPURE, INC. CLASS A | P | 74624M102 | $11.2K | 0.70% | 190,420 | SH |
| 37 | MASTERCARD INC - A | MA | 57636Q104 | $10.7K | 0.67% | 21,481 | SH |
| 38 | GE VERNOVA INC | GEV | 36828A101 | $10.7K | 0.66% | 12,241 | SH |
| 39 | BOSTON SCIENTIFIC CORP | BSX | 101137107 | $10.7K | 0.66% | 169,791 | SH |
| 40 | GE AEROSPACE COM (NEW) | GE | 369604301 | $10.6K | 0.66% | 37,471 | SH |
| 41 | LIBERTY FORMULA ONE SER C | FWONK | 531229755 | $10.4K | 0.65% | 122,528 | SH |
| 42 | ASTRAZENECA PLC | AZN | G0593M107 | $9.8K | 0.61% | 50,765 | SH |
| 43 | MEDTRONIC PLC | MDT | G5960L103 | $9.4K | 0.58% | 108,128 | SH |
| 44 | AFLAC INC COM | AFL | 001055102 | $9.2K | 0.57% | 83,570 | SH |
| 45 | ALKERMES PLC | ALKS | G01767105 | $8.7K | 0.54% | 244,760 | SH |
| 46 | GFL ENVIRONMENTAL | GFL | 36168Q104 | $8.5K | 0.53% | 203,174 | SH |
| 47 | ROLLINS INC COM | ROL | 775711104 | $8.4K | 0.52% | 156,393 | SH |
| 48 | CISCO SYSTEMS INC COM | CSCO | 17275R102 | $8.3K | 0.52% | 107,546 | SH |
| 49 | ANALOG DEVICES INC COM | ADI | 032654105 | $7.9K | 0.49% | 24,789 | SH |
| 50 | AIRBNB INC A | ABNB | 009066101 | $7.9K | 0.49% | 62,355 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-07 | $1.6M | 218 | 0001082461-26-000002 |
| 2025-12-31 | 2026-02-05 | $1.6M | 218 | 0001082461-26-000001 |