Filed: 11/6/2025ACC: 0001082461-25-000005
📋 What this filing means
S&CO INC filed this quarterly 13F‑HR report disclosing 222 equity positions with a total reported market value of $1.63M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
222
Positions
$1.63M
Total AUM (reported)
18.49M
Total Shares
Allocation by class
COM$1.63M100.0%
Portfolio Concentration
Top 3$232.4K14.2%
4–10$375.5K23.0%
11–25$385.6K23.6%
Rest$640.1K39.2%
Top 3 weight
14.2%
Top 10 weight
37.2%
Voting Authority Distribution
Total shares with voting rights: 18.49M
Sole
Full voting authority
18.49M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole222
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings222
Rows:
MICROSOFT CORP
SOLEShares167.64K
TypeSH
Market value$86.8K
5.32%
Sole
167.64K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC CL B
SOLEShares164.96K
TypeSH
Market value$82.9K
5.08%
Sole
164.96K
Shared
0.00
None
0.00
ECOLAB INC
SOLEShares228.56K
TypeSH
Market value$62.6K
3.83%
Sole
228.56K
Shared
0.00
None
0.00
AUTOMATIC DATA PROCESSING INC
SOLEShares205.91K
TypeSH
Market value$60.4K
3.70%
Sole
205.91K
Shared
0.00
None
0.00
EXXON MOBIL CORP
SOLEShares535.74K
TypeSH
Market value$60.4K
3.70%
Sole
535.74K
Shared
0.00
None
0.00
APPLE INC
SOLEShares233.11K
TypeSH
Market value$59.4K
3.63%
Sole
233.11K
Shared
0.00
None
0.00
CHURCH & DWIGHT CO INC
SOLEShares649.38K
TypeSH
Market value$56.9K
3.48%
Sole
649.38K
Shared
0.00
None
0.00
CATERPILLAR INC COM
SOLEShares112.08K
TypeSH
Market value$53.5K
3.27%
Sole
112.08K
Shared
0.00
None
0.00
CAMECO CORP
SOLEShares517.47K
TypeSH
Market value$43.4K
2.66%
Sole
517.47K
Shared
0.00
None
0.00
AMAZON.COM INC
SOLEShares189.09K
TypeSH
Market value$41.5K
2.54%
Sole
189.09K
Shared
0.00
None
0.00
MOSAIC COMPANY
SOLEShares1.08M
TypeSH
Market value$37.3K
2.28%
Sole
1.08M
Shared
0.00
None
0.00
PROSUS NV -SPON ADR
SOLEShares2.56M
TypeSH
Market value$36.0K
2.20%
Sole
2.56M
Shared
0.00
None
0.00
MERCK & CO INC
SOLEShares422.53K
TypeSH
Market value$35.5K
2.17%
Sole
422.53K
Shared
0.00
None
0.00
ABBOTT LABS
SOLEShares227.97K
TypeSH
Market value$30.5K
1.87%
Sole
227.97K
Shared
0.00
None
0.00
JOHNSON & JOHNSON
SOLEShares158.76K
TypeSH
Market value$29.4K
1.80%
Sole
158.76K
Shared
0.00
None
0.00
ALPHABET INC CLASS C
SOLEShares118.10K
TypeSH
Market value$28.8K
1.76%
Sole
118.10K
Shared
0.00
None
0.00
SPDR GOLD TRUST
SOLEShares80.56K
TypeSH
Market value$28.6K
1.75%
Sole
80.56K
Shared
0.00
None
0.00
AIR PRODUCTS & CHEMICALS INC C
SOLEShares94.80K
TypeSH
Market value$25.9K
1.58%
Sole
94.80K
Shared
0.00
None
0.00
ALPHABET INC CAP STK CL A
SOLEShares95.70K
TypeSH
Market value$23.3K
1.42%
Sole
95.70K
Shared
0.00
None
0.00
PAYPAL HOLDINGS INC
SOLEShares331.50K
TypeSH
Market value$22.2K
1.36%
Sole
331.50K
Shared
0.00
None
0.00
THERMO FISHER SCIENTIFIC INC C
SOLEShares42.39K
TypeSH
Market value$20.6K
1.26%
Sole
42.39K
Shared
0.00
None
0.00
LIBERTY MEDIA CORP-LIBERTY LIV
SOLEShares177.01K
TypeSH
Market value$17.2K
1.05%
Sole
177.01K
Shared
0.00
None
0.00
PALO ALTO NETWORKS INC
SOLEShares83.25K
TypeSH
Market value$17.0K
1.04%
Sole
83.25K
Shared
0.00
None
0.00
BOSTON SCIENTIFIC CORP
SOLEShares173.28K
TypeSH
Market value$16.9K
1.04%
Sole
173.28K
Shared
0.00
None
0.00
SIRIUS XM HOLDINGS INC
SOLEShares711.47K
TypeSH
Market value$16.6K
1.01%
Sole
711.47K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MICROSOFT CORPSOLE | COM | 167.64K | SH | $86.8K 5.32% | 167.64K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC CL BSOLE | COM | 164.96K | SH | $82.9K 5.08% | 164.96K | 0.00 | 0.00 |
ECOLAB INCSOLE | COM | 228.56K | SH | $62.6K 3.83% | 228.56K | 0.00 | 0.00 |
AUTOMATIC DATA PROCESSING INCSOLE | COM | 205.91K | SH | $60.4K 3.70% | 205.91K | 0.00 | 0.00 |
EXXON MOBIL CORPSOLE | COM | 535.74K | SH | $60.4K 3.70% | 535.74K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 233.11K | SH | $59.4K 3.63% | 233.11K | 0.00 | 0.00 |
CHURCH & DWIGHT CO INCSOLE | COM | 649.38K | SH | $56.9K 3.48% | 649.38K | 0.00 | 0.00 |
CATERPILLAR INC COMSOLE | COM | 112.08K | SH | $53.5K 3.27% | 112.08K | 0.00 | 0.00 |
CAMECO CORPSOLE | COM | 517.47K | SH | $43.4K 2.66% | 517.47K | 0.00 | 0.00 |
AMAZON.COM INCSOLE | COM | 189.09K | SH | $41.5K 2.54% | 189.09K | 0.00 | 0.00 |
MOSAIC COMPANYSOLE | COM | 1.08M | SH | $37.3K 2.28% | 1.08M | 0.00 | 0.00 |
PROSUS NV -SPON ADRSOLE | COM | 2.56M | SH | $36.0K 2.20% | 2.56M | 0.00 | 0.00 |
MERCK & CO INCSOLE | COM | 422.53K | SH | $35.5K 2.17% | 422.53K | 0.00 | 0.00 |
ABBOTT LABSSOLE | COM | 227.97K | SH | $30.5K 1.87% | 227.97K | 0.00 | 0.00 |
JOHNSON & JOHNSONSOLE | COM | 158.76K | SH | $29.4K 1.80% | 158.76K | 0.00 | 0.00 |
ALPHABET INC CLASS CSOLE | COM | 118.10K | SH | $28.8K 1.76% | 118.10K | 0.00 | 0.00 |
SPDR GOLD TRUSTSOLE | COM | 80.56K | SH | $28.6K 1.75% | 80.56K | 0.00 | 0.00 |
AIR PRODUCTS & CHEMICALS INC CSOLE | COM | 94.80K | SH | $25.9K 1.58% | 94.80K | 0.00 | 0.00 |
ALPHABET INC CAP STK CL ASOLE | COM | 95.70K | SH | $23.3K 1.42% | 95.70K | 0.00 | 0.00 |
PAYPAL HOLDINGS INCSOLE | COM | 331.50K | SH | $22.2K 1.36% | 331.50K | 0.00 | 0.00 |
THERMO FISHER SCIENTIFIC INC CSOLE | COM | 42.39K | SH | $20.6K 1.26% | 42.39K | 0.00 | 0.00 |
LIBERTY MEDIA CORP-LIBERTY LIVSOLE | COM | 177.01K | SH | $17.2K 1.05% | 177.01K | 0.00 | 0.00 |
PALO ALTO NETWORKS INCSOLE | COM | 83.25K | SH | $17.0K 1.04% | 83.25K | 0.00 | 0.00 |
BOSTON SCIENTIFIC CORPSOLE | COM | 173.28K | SH | $16.9K 1.04% | 173.28K | 0.00 | 0.00 |
SIRIUS XM HOLDINGS INCSOLE | COM | 711.47K | SH | $16.6K 1.01% | 711.47K | 0.00 | 0.00 |
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