S&CO INC

CIK: 0001082461Latest portfolio: $1.6B · Q4 2025

Holdings

218

Total Value

$1.6B

New Positions

8

Closed Positions

9

#StockSharesValue% PortfolioChangeType
1
MSFTMICROSOFT CORP
172,297$83.3M5.18%+5K
2
BRK/BBERKSHIRE HATHAWAY INC CL B
164,230$82.5M5.13%-734
3
XOMEXXON MOBIL CORP
526,898$63.4M3.94%-8,838
4
AAPLAPPLE INC
232,949$63.3M3.93%-160
5
CATCATERPILLAR INC COM
105,396$60.4M3.75%-6,682
6
ECLECOLAB INC
227,070$59.6M3.70%-1,485
7
CHDCHURCH & DWIGHT CO INC
644,488$54.0M3.36%-4,897
8
ADPAUTOMATIC DATA PROCESSING INC
202,743$52.2M3.24%-3,171
9
MRKMERCK & CO INC
425,531$44.8M2.78%+3K
10
AMZNAMAZON.COM INC
190,573$44.0M2.73%+1K
11
GOOGALPHABET INC CLASS C
118,183$37.1M2.30%+85
12
JNJJOHNSON & JOHNSON
158,298$32.8M2.03%-465
13
CCOCAMECO CORP
356,326$32.6M2.02%-161,145
14
GLDSPDR GOLD TRUST
80,565$31.9M1.98%
15
PROSYPROSUS NV -SPON ADR
2,511,156$31.2M1.94%-43,874
16
GOOGLALPHABET INC CAP STK CL A
95,307$29.8M1.85%-389
17
ABTABBOTT LABS
226,710$28.4M1.76%-1,263
18
TMOTHERMO FISHER SCIENTIFIC INC C
41,979$24.3M1.51%-410
19
MOSMOSAIC COMPANY
973,872$23.5M1.46%-101,946
20
APDAIR PRODUCTS & CHEMICALS INC C
94,067$23.2M1.44%-730
21
LLYELI LILLY & CO COM
20,209$21.7M1.35%+181
22
PYPLPAYPAL HOLDINGS INC
345,655$20.2M1.25%+14K
23
ARANTERO RESOURCES CORP
479,399$16.5M1.03%+15K
24
BSXBOSTON SCIENTIFIC CORP
170,881$16.3M1.01%-2,395
25
UNPUNION PACIFIC CORP
69,353$16.0M1.00%-518

Quarterly Changes

New Positions

Closed Positions

Increased Positions

NameSharesChange
GLIBK45K+15K
AR479K+15K
PYPL346K+14K
RVMD34K+12K
NVDA80K+8K
V31K+8K
MSFT172K+5K
MRK426K+3K
AMZN191K+1K
OKTA61K+1K

Decreased Positions

NameSharesChange
LILA759K-224650
LILA283K-202487
CCO356K-161145
PROSY2.5M-43874
LBRDK121K-36531
ELAN111K-30000
LBRDA67K-13667
SIRI701K-10027
APO63K-10000
XOM527K-8838

Sector Breakdown

Healthcare0.0% ($4.479132759284042e+144T)
Industrials0.0% ($6.037852151160422e+106T)
Financial Services0.0% ($2.0179110469361924e+104T)
Technology0.0% ($8.332663329319281e+97T)
Unknown0.0% ($8.255031173124648e+83T)
Communication Services0.0% ($3.708532600298312e+75T)
Consumer Cyclical0.0% ($4.3988938684627187e+33T)
Consumer Defensive0.0% ($5.40401180972953e+25T)
Energy0.0% ($6.340616520470546e+22T)
Basic Materials0.0% ($5961023460232360960.0T)
Utilities0.0% ($8546463030092.3T)
Real Estate0.0% ($3.7M)

Filing History

QuarterFiling DatePortfolio ValueHoldings
Q4 2025Feb 5, 2026$1.6B218
Q3 2025Nov 6, 2025$1.6B222
Q2 2025Aug 7, 2025$1.6B223
Q1 2025May 8, 2025$1.5B217
Q4 2024Feb 7, 2025$1.5B210

Fund Information

CIK0001082461
Most Recent FilingFeb 5, 2026
Number of Filings5

S&CO INC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $1.6B across 218 holdings. The largest position is MICROSOFT CORP (MSFT), representing 5.2% of the portfolio. Compared to the previous quarter, the fund opened 8 new positions and closed 12 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.