Filed: 5/8/2025ACC: 0001082461-25-000002
📋 What this filing means
S&CO INC filed this quarterly 13F‑HR report disclosing 217 equity positions with a total reported market value of $1.49M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
217
Positions
$1.49M
Total AUM (reported)
19.92M
Total Shares
Allocation by class
COM$1.49M100.0%
Portfolio Concentration
Top 3$225.4K15.1%
4–10$346.7K23.3%
11–25$327.3K22.0%
Rest$590.7K39.6%
Top 3 weight
15.1%
Top 10 weight
38.4%
Voting Authority Distribution
Total shares with voting rights: 19.92M
Sole
Full voting authority
19.92M
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)
Sole217
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings217
Rows:
BERKSHIRE HATHAWAY INC CL B
SOLEShares165.62K
TypeSH
Market value$88.2K
5.92%
Sole
165.62K
Shared
0.00
None
0.00
CHURCH & DWIGHT CO INC
SOLEShares651.69K
TypeSH
Market value$71.7K
4.81%
Sole
651.69K
Shared
0.00
None
0.00
EXXON MOBIL CORP
SOLEShares550.21K
TypeSH
Market value$65.4K
4.39%
Sole
550.21K
Shared
0.00
None
0.00
AUTOMATIC DATA PROCESSING INC
SOLEShares205.56K
TypeSH
Market value$62.8K
4.22%
Sole
205.56K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares162.01K
TypeSH
Market value$60.8K
4.08%
Sole
162.01K
Shared
0.00
None
0.00
ECOLAB INC
SOLEShares231.08K
TypeSH
Market value$58.6K
3.93%
Sole
231.08K
Shared
0.00
None
0.00
APPLE INC
SOLEShares244.50K
TypeSH
Market value$54.3K
3.64%
Sole
244.50K
Shared
0.00
None
0.00
MERCK & CO INC
SOLEShares426.58K
TypeSH
Market value$38.3K
2.57%
Sole
426.58K
Shared
0.00
None
0.00
CATERPILLAR INC COM
SOLEShares114.89K
TypeSH
Market value$37.9K
2.54%
Sole
114.89K
Shared
0.00
None
0.00
ABBOTT LABS
SOLEShares256.26K
TypeSH
Market value$34.0K
2.28%
Sole
256.26K
Shared
0.00
None
0.00
AMAZON.COM INC
SOLEShares162.74K
TypeSH
Market value$31.0K
2.08%
Sole
162.74K
Shared
0.00
None
0.00
MOSAIC CO/THE
SOLEShares1.14M
TypeSH
Market value$30.7K
2.06%
Sole
1.14M
Shared
0.00
None
0.00
AIR PRODUCTS & CHEMICALS INC C
SOLEShares95.22K
TypeSH
Market value$28.1K
1.88%
Sole
95.22K
Shared
0.00
None
0.00
JOHNSON & JOHNSON
SOLEShares166.08K
TypeSH
Market value$27.5K
1.85%
Sole
166.08K
Shared
0.00
None
0.00
CAMECO CORP
SOLEShares576.60K
TypeSH
Market value$23.7K
1.59%
Sole
576.60K
Shared
0.00
None
0.00
SPDR GOLD TRUST
SOLEShares80.56K
TypeSH
Market value$23.2K
1.56%
Sole
80.56K
Shared
0.00
None
0.00
PROSUS NV -SPON ADR
SOLEShares2.37M
TypeSH
Market value$21.8K
1.46%
Sole
2.37M
Shared
0.00
None
0.00
THERMO FISHER SCIENTIFIC INC C
SOLEShares41.87K
TypeSH
Market value$20.8K
1.40%
Sole
41.87K
Shared
0.00
None
0.00
UNITEDHEALTH GROUP INC COM
SOLEShares36.17K
TypeSH
Market value$18.9K
1.27%
Sole
36.17K
Shared
0.00
None
0.00
ALPHABET INC CLASS C
SOLEShares120.80K
TypeSH
Market value$18.9K
1.27%
Sole
120.80K
Shared
0.00
None
0.00
BOSTON SCIENTIFIC CORP
SOLEShares177.72K
TypeSH
Market value$17.9K
1.20%
Sole
177.72K
Shared
0.00
None
0.00
SIRIUS XM HOLDINGS INC
SOLEShares766.37K
TypeSH
Market value$17.3K
1.16%
Sole
766.37K
Shared
0.00
None
0.00
UNION PACIFIC CORP
SOLEShares70.27K
TypeSH
Market value$16.6K
1.11%
Sole
70.27K
Shared
0.00
None
0.00
LIBERTY BROADBAND-C
SOLEShares182.20K
TypeSH
Market value$15.5K
1.04%
Sole
182.20K
Shared
0.00
None
0.00
FMC CORP
SOLEShares361.73K
TypeSH
Market value$15.3K
1.02%
Sole
361.73K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
BERKSHIRE HATHAWAY INC CL BSOLE | COM | 165.62K | SH | $88.2K 5.92% | 165.62K | 0.00 | 0.00 |
CHURCH & DWIGHT CO INCSOLE | COM | 651.69K | SH | $71.7K 4.81% | 651.69K | 0.00 | 0.00 |
EXXON MOBIL CORPSOLE | COM | 550.21K | SH | $65.4K 4.39% | 550.21K | 0.00 | 0.00 |
AUTOMATIC DATA PROCESSING INCSOLE | COM | 205.56K | SH | $62.8K 4.22% | 205.56K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 162.01K | SH | $60.8K 4.08% | 162.01K | 0.00 | 0.00 |
ECOLAB INCSOLE | COM | 231.08K | SH | $58.6K 3.93% | 231.08K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 244.50K | SH | $54.3K 3.64% | 244.50K | 0.00 | 0.00 |
MERCK & CO INCSOLE | COM | 426.58K | SH | $38.3K 2.57% | 426.58K | 0.00 | 0.00 |
CATERPILLAR INC COMSOLE | COM | 114.89K | SH | $37.9K 2.54% | 114.89K | 0.00 | 0.00 |
ABBOTT LABSSOLE | COM | 256.26K | SH | $34.0K 2.28% | 256.26K | 0.00 | 0.00 |
AMAZON.COM INCSOLE | COM | 162.74K | SH | $31.0K 2.08% | 162.74K | 0.00 | 0.00 |
MOSAIC CO/THESOLE | COM | 1.14M | SH | $30.7K 2.06% | 1.14M | 0.00 | 0.00 |
AIR PRODUCTS & CHEMICALS INC CSOLE | COM | 95.22K | SH | $28.1K 1.88% | 95.22K | 0.00 | 0.00 |
JOHNSON & JOHNSONSOLE | COM | 166.08K | SH | $27.5K 1.85% | 166.08K | 0.00 | 0.00 |
CAMECO CORPSOLE | COM | 576.60K | SH | $23.7K 1.59% | 576.60K | 0.00 | 0.00 |
SPDR GOLD TRUSTSOLE | COM | 80.56K | SH | $23.2K 1.56% | 80.56K | 0.00 | 0.00 |
PROSUS NV -SPON ADRSOLE | COM | 2.37M | SH | $21.8K 1.46% | 2.37M | 0.00 | 0.00 |
THERMO FISHER SCIENTIFIC INC CSOLE | COM | 41.87K | SH | $20.8K 1.40% | 41.87K | 0.00 | 0.00 |
UNITEDHEALTH GROUP INC COMSOLE | COM | 36.17K | SH | $18.9K 1.27% | 36.17K | 0.00 | 0.00 |
ALPHABET INC CLASS CSOLE | COM | 120.80K | SH | $18.9K 1.27% | 120.80K | 0.00 | 0.00 |
BOSTON SCIENTIFIC CORPSOLE | COM | 177.72K | SH | $17.9K 1.20% | 177.72K | 0.00 | 0.00 |
SIRIUS XM HOLDINGS INCSOLE | COM | 766.37K | SH | $17.3K 1.16% | 766.37K | 0.00 | 0.00 |
UNION PACIFIC CORPSOLE | COM | 70.27K | SH | $16.6K 1.11% | 70.27K | 0.00 | 0.00 |
LIBERTY BROADBAND-CSOLE | COM | 182.20K | SH | $15.5K 1.04% | 182.20K | 0.00 | 0.00 |
FMC CORPSOLE | COM | 361.73K | SH | $15.3K 1.02% | 361.73K | 0.00 | 0.00 |
Page 1 of 9
…