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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) |
|---|---|---|---|---|---|
| MICROSOFT CORP | COM | 594918104 | — | 201,489 shares | $103,343 |
| EXXONMOBIL HOLDINGS CORP | COM | 30233q108 | — | 524,875 shares | $85,423 |
| BERKSHIRE HATHAWAY INC CL B | COM | 084670702 | — | 164,087 shares | $81,707 |
| CATERPILLAR INC. | COM | 149123101 | — | 89,781 shares | $72,793 |
| APPLE INC | COM | 037833100 | — | 215,685 shares | $71,827 |
| ECOLAB INC | COM | 278865100 | — | 225,393 shares | $61,888 |
| MERCK & CO INC | COM | 58933y105 | — | 425,259 shares | $61,794 |
| CHURCH & DWIGHT CO INC | COM | 171340102 | — | 645,570 shares | $60,825 |
| AUTOMATIC DATA PROCESSING INC | COM | 053015103 | — | 201,828 shares | $52,083 |
| AMAZON.COM INC | COM | 023135106 | — | 197,182 shares | $49,127 |
| JOHNSON & JOHNSON | COM | 478160104 | — | 156,688 shares | $41,481 |
| ALPHABET INC CLASS C | COM | 02079K107 | — | 120,735 shares | $41,139 |
| PALO ALTO NETWORKS INC | COM | 697435105 | — | 88,192 shares | $35,039 |
| ALPHABET INC CAP STK CL A | COM | 02079K305 | — | 94,857 shares | $32,638 |
| SPDR GOLD TRUST | COM | 78463v107 | — | 80,664 shares | $30,720 |
| THERMO FISHER SCIENTIFIC INC C | COM | 883556102 | — | 41,387 shares | $27,938 |
| CAMECO CORP | COM | 13321L108 | — | 313,606 shares | $27,180 |
| AIR PRODUCTS & CHEMICALS INC C | COM | 009158106 | — | 94,622 shares | $26,326 |
| ELI LILLY & CO COM | COM | 532457108 | — | 22,273 shares | $25,771 |
| EVERPURE, INC. CLASS A | COM | 74624m102 | — | 190,420 shares | $24,903 |
| PAYPAL HOLDINGS INC | COM | 70450Y103 | — | 437,832 shares | $22,999 |
| MOSAIC COMPANY | COM | 61945C103 | — | 1,032,758 shares | $22,359 |
| ROYALTY PHARMA PLC CL A | COM | G7709Q104 | — | 358,002 shares | $20,892 |
| PROSUS NV -SPON ADR | COM | 74365P108 | — | 2,505,306 shares | $20,215 |
| UNION PACIFIC CORP | COM | 907818108 | — | 69,353 shares | $18,873 |
| ABBOTT LABS | COM | 002824100 | — | 181,241 shares | $17,912 |
| LIBERTY MEDIA CORP-LIBERTY LIV | COM | 530909308 | — | 175,112 shares | $17,029 |
| ANTERO RESOURCES CORP | COM | 03674X106 | — | 505,517 shares | $16,879 |
| NVIDIA CORP COM | COM | 67066g104 | — | 72,156 shares | $16,478 |
| VISA INC. CL A | COM | 92826C839 | — | 42,615 shares | $15,312 |
| UNITEDHEALTH GROUP INC COM | COM | 91324p102 | — | 40,914 shares | $15,018 |
| SPDR S&P BIOTECH ETF | COM | 78464a870 | — | 94,210 shares | $14,855 |
| SIRIUS XM HOLDINGS INC | COM | 829933100 | — | 485,559 shares | $12,566 |
| GFL ENVIRONMENTAL | COM | 36168q104 | — | 298,649 shares | $12,492 |
| LINDE PLC | COM | G54950103 | — | 26,149 shares | $12,411 |
| MASTERCARD INC - A | COM | 57636Q104 | — | 22,353 shares | $12,327 |
| ROCHE HOLDING LTD SPONSORED AD | COM | 771195104 | — | 230,410 shares | $12,042 |
| H.B. FULLER CO. | COM | 359694106 | — | 235,879 shares | $11,668 |
| CISCO SYSTEMS INC COM | COM | 17275r102 | — | 107,126 shares | $11,529 |
| LIBERTY FORMULA ONE SER C | COM | 531229755 | — | 122,528 shares | $11,321 |
| GE VERNOVA INC | COM | 36828a101 | — | 11,732 shares | $11,151 |
| GE AEROSPACE COM (NEW) | COM | 369604301 | — | 35,671 shares | $11,139 |
| ROLLINS INC COM | COM | 775711104 | — | 342,951 shares | $10,329 |
| AIRBNB INC A | COM | 009066101 | — | 62,355 shares | $10,017 |
| ALKERMES PLC | COM | g01767105 | — | 244,760 shares | $9,917 |
| PEPSICO INC | COM | 713448108 | — | 75,169 shares | $9,525 |
| ANALOG DEVICES INC COM | COM | 032654105 | — | 23,789 shares | $9,437 |
| AFLAC INC COM | COM | 001055102 | — | 83,570 shares | $9,341 |
| MEDTRONIC PLC | COM | g5960l103 | — | 108,155 shares | $9,332 |
| BOSTON SCIENTIFIC CORP | COM | 101137107 | — | 209,986 shares | $9,165 |
| VANGUARD FTSE EMERGING MARKET | COM | 922042858 | — | 130,593 shares | $7,745 |
| JP MORGAN CHASE & CO | COM | 46625h100 | — | 23,250 shares | $7,691 |
| APOLLO ASSET MANAGEMENT INC. | COM | 03769M106 | — | 62,880 shares | $7,297 |
| EDWARDS LIFESCIENCES CORP | COM | 28176e108 | — | 81,497 shares | $7,034 |
| REVOLUTION MEDICINES INC | COM | 76155x100 | — | 34,171 shares | $7,013 |
| ESTEE LAUDER COMPANIES-CL A | COM | 518439104 | — | 70,784 shares | $6,566 |
| MORGAN STANLEY COM | COM | 617446448 | — | 33,387 shares | $6,279 |
| RUBRIK INC A | COM | 781154109 | — | 54,032 shares | $6,185 |
| CHUBB LIMITED | COM | h1467j104 | — | 18,916 shares | $6,152 |
| CHEVRON CORP NEW COM | COM | 166764100 | — | 30,024 shares | $6,131 |
| ASTRAZENECA PLC | COM | G0593m107 | — | 37,295 shares | $6,075 |
| HOME DEPOT INC COM | COM | 437076102 | — | 20,887 shares | $5,942 |
| DIAMONDBACK ENERGY INC | COM | 25278x109 | — | 32,249 shares | $5,927 |
| LIBERTY MEDIA CORP-FORMULA-A | COM | 531229771 | — | 64,254 shares | $5,437 |
| RTX CORP. | COM | 75513e101 | — | 28,883 shares | $5,362 |
| CITIGROUP INC COM NEW | COM | 172967424 | — | 39,794 shares | $5,152 |
| INTERACTIVE BROKERS GROUP INC | COM | 45841n107 | — | 60,130 shares | $5,136 |
| 3M COMPANY COM | COM | 88579y101 | — | 31,055 shares | $5,097 |
| VANGUARD DIVIDEND APPRECIATION | COM | 921908844 | — | 21,632 shares | $5,046 |
| BANK OF AMERICA CORP | COM | 060505104 | — | 92,484 shares | $5,033 |
| WATERS CORP COM | COM | 941848103 | — | 11,417 shares | $5,016 |
| TE CONNECTIVITY PLC | COM | G87052109 | — | 23,194 shares | $4,895 |
| ISHARES S&P 500/BARRA GROWTH I | COM | 464287309 | — | 33,962 shares | $4,831 |
| INVESCO QQQ TRUST SERIES 1 ETF | COM | 46090e103 | — | 6,313 shares | $4,670 |
| LIBERTY MEDIA CORP-LIBERTY LIV | COM | 530909100 | — | 49,339 shares | $4,669 |
| ILLUMINA, INC. | COM | 452327109 | — | 16,000 shares | $4,378 |
| EXPEDIA GROUP INC COM | COM | 30212p303 | — | 16,285 shares | $4,288 |
| STRYKER CORP. | COM | 863667101 | — | 15,307 shares | $4,215 |
| META PLATFORMS INC | COM | 30303m102 | — | 5,710 shares | $4,140 |
| OKTA, INC. | COM | 679295105 | — | 19,699 shares | $4,119 |
| WEC ENERGY GROUP INC COM | COM | 92939u106 | — | 39,622 shares | $3,993 |
| EATON CORP PLC | COM | g29183103 | — | 8,976 shares | $3,857 |
| VANECK GOLD MINERS ETF | COM | 92189f106 | — | 42,589 shares | $3,739 |
| INTERNATIONAL BUSINESS MACHINE | COM | 459200101 | — | 16,788 shares | $3,692 |
| WISDOMTREE JAPAN HEDGED EQUITY | COM | 97717w851 | — | 20,000 shares | $3,611 |
| WORKDAY INC A | COM | 98138h101 | — | 18,663 shares | $3,554 |
| VANGUARD MSCI EUROPEAN INDEX E | COM | 922042874 | — | 40,000 shares | $3,472 |
| LIBERTY GLOBAL LTD-C | COM | g61188127 | — | 385,024 shares | $3,422 |
| TRAVERE THERAPEUTICS, INC. | COM | 89422g107 | — | 56,000 shares | $3,297 |
| CHARTER COMMUNICATIONS INC | COM | 16119P108 | — | 29,433 shares | $3,264 |
| DANAHER CORP COM | COM | 235851102 | — | 13,989 shares | $3,099 |
| MIDDLEBY CORPORATION | COM | 596278101 | — | 29,100 shares | $3,014 |
| PROCTER & GAMBLE CO | COM | 742718109 | — | 20,418 shares | $2,966 |
| LIBERTY CAPITAL CORP. CLASS C | COM | 36164v800 | — | 121,715 shares | $2,823 |
| CF INDUSTRIES HOLDINGS INC COM | COM | 125269100 | — | 24,300 shares | $2,799 |
| WELLS FARGO & CO COM | COM | 949746101 | — | 34,949 shares | $2,797 |
| MARVELL TECHNOLOGY, INC. | COM | 573874104 | — | 10,573 shares | $2,793 |
| TJX COS INC NEW COM | COM | 872540109 | — | 20,636 shares | $2,730 |
| BIO-TECHNE CORPORATION | COM | 09073m104 | — | 36,635 shares | $2,654 |
| TESLA MOTORS INC | COM | 88160r101 | — | 7,406 shares | $2,627 |