Filed: 8/7/2025ACC: 0001082461-25-000003
📋 What this filing means
S&CO INC filed this quarterly 13F‑HR report disclosing 223 equity positions with a total reported market value of $1.56M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
223
Positions
$1.56M
Total AUM (reported)
18.65M
Total Shares
Allocation by class
COM$1.56M100.0%
Portfolio Concentration
Top 3$227.5K14.6%
4–10$364.1K23.3%
11–25$349.1K22.4%
Rest$618.9K39.7%
Top 3 weight
14.6%
Top 10 weight
37.9%
Voting Authority Distribution
Total shares with voting rights: 18.65M
Sole
Full voting authority
18.65M
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)
Sole223
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings223
Rows:
MICROSOFT CORP
SOLEShares166.18K
TypeSH
Market value$82.7K
5.30%
Sole
166.18K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC CL B
SOLEShares165.99K
TypeSH
Market value$80.6K
5.17%
Sole
165.99K
Shared
0.00
None
0.00
AUTOMATIC DATA PROCESSING INC
SOLEShares208.22K
TypeSH
Market value$64.2K
4.12%
Sole
208.22K
Shared
0.00
None
0.00
CHURCH & DWIGHT CO INC
SOLEShares649.74K
TypeSH
Market value$62.4K
4.00%
Sole
649.74K
Shared
0.00
None
0.00
ECOLAB INC
SOLEShares229.41K
TypeSH
Market value$61.8K
3.96%
Sole
229.41K
Shared
0.00
None
0.00
EXXON MOBIL CORP
SOLEShares547.71K
TypeSH
Market value$59.0K
3.79%
Sole
547.71K
Shared
0.00
None
0.00
APPLE INC
SOLEShares251.07K
TypeSH
Market value$51.5K
3.30%
Sole
251.07K
Shared
0.00
None
0.00
CATERPILLAR INC COM
SOLEShares117.28K
TypeSH
Market value$45.5K
2.92%
Sole
117.28K
Shared
0.00
None
0.00
CAMECO CORP
SOLEShares571.83K
TypeSH
Market value$42.4K
2.72%
Sole
571.83K
Shared
0.00
None
0.00
MOSAIC CO/THE
SOLEShares1.13M
TypeSH
Market value$41.3K
2.65%
Sole
1.13M
Shared
0.00
None
0.00
AMAZON.COM INC
SOLEShares172.43K
TypeSH
Market value$37.8K
2.43%
Sole
172.43K
Shared
0.00
None
0.00
MERCK & CO INC
SOLEShares425.87K
TypeSH
Market value$33.7K
2.16%
Sole
425.87K
Shared
0.00
None
0.00
ABBOTT LABS
SOLEShares244.97K
TypeSH
Market value$33.3K
2.14%
Sole
244.97K
Shared
0.00
None
0.00
AIR PRODUCTS & CHEMICALS INC C
SOLEShares94.88K
TypeSH
Market value$26.8K
1.72%
Sole
94.88K
Shared
0.00
None
0.00
PROSUS NV -SPON ADR
SOLEShares2.36M
TypeSH
Market value$26.3K
1.69%
Sole
2.36M
Shared
0.00
None
0.00
JOHNSON & JOHNSON
SOLEShares163.72K
TypeSH
Market value$25.0K
1.60%
Sole
163.72K
Shared
0.00
None
0.00
SPDR GOLD TRUST
SOLEShares80.56K
TypeSH
Market value$24.6K
1.57%
Sole
80.56K
Shared
0.00
None
0.00
ALPHABET INC CLASS C
SOLEShares119.41K
TypeSH
Market value$21.2K
1.36%
Sole
119.41K
Shared
0.00
None
0.00
BOSTON SCIENTIFIC CORP
SOLEShares176.79K
TypeSH
Market value$19.0K
1.22%
Sole
176.79K
Shared
0.00
None
0.00
LIBERTY BROADBAND-C
SOLEShares181.73K
TypeSH
Market value$17.9K
1.15%
Sole
181.73K
Shared
0.00
None
0.00
THERMO FISHER SCIENTIFIC INC C
SOLEShares42.16K
TypeSH
Market value$17.1K
1.10%
Sole
42.16K
Shared
0.00
None
0.00
PAYPAL HOLDINGS INC
SOLEShares228.10K
TypeSH
Market value$17.0K
1.09%
Sole
228.10K
Shared
0.00
None
0.00
ALPHABET INC CAP STK CL A
SOLEShares95.64K
TypeSH
Market value$16.9K
1.08%
Sole
95.64K
Shared
0.00
None
0.00
SIRIUS XM HOLDINGS INC
SOLEShares718.02K
TypeSH
Market value$16.5K
1.06%
Sole
718.02K
Shared
0.00
None
0.00
UNION PACIFIC CORP
SOLEShares70.07K
TypeSH
Market value$16.1K
1.03%
Sole
70.07K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MICROSOFT CORPSOLE | COM | 166.18K | SH | $82.7K 5.30% | 166.18K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC CL BSOLE | COM | 165.99K | SH | $80.6K 5.17% | 165.99K | 0.00 | 0.00 |
AUTOMATIC DATA PROCESSING INCSOLE | COM | 208.22K | SH | $64.2K 4.12% | 208.22K | 0.00 | 0.00 |
CHURCH & DWIGHT CO INCSOLE | COM | 649.74K | SH | $62.4K 4.00% | 649.74K | 0.00 | 0.00 |
ECOLAB INCSOLE | COM | 229.41K | SH | $61.8K 3.96% | 229.41K | 0.00 | 0.00 |
EXXON MOBIL CORPSOLE | COM | 547.71K | SH | $59.0K 3.79% | 547.71K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 251.07K | SH | $51.5K 3.30% | 251.07K | 0.00 | 0.00 |
CATERPILLAR INC COMSOLE | COM | 117.28K | SH | $45.5K 2.92% | 117.28K | 0.00 | 0.00 |
CAMECO CORPSOLE | COM | 571.83K | SH | $42.4K 2.72% | 571.83K | 0.00 | 0.00 |
MOSAIC CO/THESOLE | COM | 1.13M | SH | $41.3K 2.65% | 1.13M | 0.00 | 0.00 |
AMAZON.COM INCSOLE | COM | 172.43K | SH | $37.8K 2.43% | 172.43K | 0.00 | 0.00 |
MERCK & CO INCSOLE | COM | 425.87K | SH | $33.7K 2.16% | 425.87K | 0.00 | 0.00 |
ABBOTT LABSSOLE | COM | 244.97K | SH | $33.3K 2.14% | 244.97K | 0.00 | 0.00 |
AIR PRODUCTS & CHEMICALS INC CSOLE | COM | 94.88K | SH | $26.8K 1.72% | 94.88K | 0.00 | 0.00 |
PROSUS NV -SPON ADRSOLE | COM | 2.36M | SH | $26.3K 1.69% | 2.36M | 0.00 | 0.00 |
JOHNSON & JOHNSONSOLE | COM | 163.72K | SH | $25.0K 1.60% | 163.72K | 0.00 | 0.00 |
SPDR GOLD TRUSTSOLE | COM | 80.56K | SH | $24.6K 1.57% | 80.56K | 0.00 | 0.00 |
ALPHABET INC CLASS CSOLE | COM | 119.41K | SH | $21.2K 1.36% | 119.41K | 0.00 | 0.00 |
BOSTON SCIENTIFIC CORPSOLE | COM | 176.79K | SH | $19.0K 1.22% | 176.79K | 0.00 | 0.00 |
LIBERTY BROADBAND-CSOLE | COM | 181.73K | SH | $17.9K 1.15% | 181.73K | 0.00 | 0.00 |
THERMO FISHER SCIENTIFIC INC CSOLE | COM | 42.16K | SH | $17.1K 1.10% | 42.16K | 0.00 | 0.00 |
PAYPAL HOLDINGS INCSOLE | COM | 228.10K | SH | $17.0K 1.09% | 228.10K | 0.00 | 0.00 |
ALPHABET INC CAP STK CL ASOLE | COM | 95.64K | SH | $16.9K 1.08% | 95.64K | 0.00 | 0.00 |
SIRIUS XM HOLDINGS INCSOLE | COM | 718.02K | SH | $16.5K 1.06% | 718.02K | 0.00 | 0.00 |
UNION PACIFIC CORPSOLE | COM | 70.07K | SH | $16.1K 1.03% | 70.07K | 0.00 | 0.00 |
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