S&co Inc.

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 6, 2025), S&co Inc. reported 222 stock positions worth $1.6 billion. Its top holding was Microsoft (MSFT) at 5.3% of the portfolio, followed by Berkshire Hathaway Class B (BRK.B, 5.1%) and Ecolab (ECL, 3.8%). Compared with Q2 2025, it opened 5 new positions, sold out of 8, added to 29 and reduced 76. The biggest buy was Prosus NV -Spon ADR (PROSY, shares +8%) and the biggest sale Liberty Broadband-C (LBRDK, shares −14%).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001082461
Portfolio Value
$1.6B (Q3 2025)
SEC Filing
0001082461-25-000005 ↗ filed Nov 6, 2025

Holdings Value

0$500.0M$1.0B$1.5B$2.0B Q1 2024: $1.4B Q1 2024 Q2 2024: $1.4B Q2 2024 Q3 2024: $1.5B Q3 2024 Q4 2024: $1.5B Q4 2024 Q1 2025: $1.5B Q1 2025 Q2 2025: $1.6B Q2 2025 Q3 2025: $1.6B $1.6B Q3 2025 Q4 2025: $1.6B Q4 2025 Q1 2026: $1.6B Q1 2026 Q2 2026: $1.7B Q2 2026

Holdings 222 stocks · $1.6B
MSFT Microsoft Corp. 5.32% 167,637 $86.8M Add +0.9%
BRK.B Berkshire Hathaway Inc. Class B 5.08% 164,964 $82.9M Reduce -0.6%
ECL Ecolab Inc. 3.83% 228,555 $62.6M Reduce -0.4%
ADP Automatic Data Processing 3.70% 205,914 $60.4M Reduce -1.1%
XOM Exxon Mobil Corp. 3.70% 535,736 $60.4M Reduce -2.2%
AAPL Apple Inc. 3.63% 233,109 $59.4M Reduce -7.2%
CHD Church & Dwight Co. Inc. 3.48% 649,385 $56.9M Reduce -0.1%
CAT Caterpillar Inc. 3.27% 112,078 $53.5M Reduce -4.4%
CCJ Cameco Corp. 2.66% 517,471 $43.4M Reduce -9.5%
AMZN Amazon.com Inc. 2.54% 189,089 $41.5M Add +9.7%
MOS The Mosaic Co. 2.28% 1,075,818 $37.3M Reduce -4.9%
PROSY Prosus NV -Spon ADR 2.20% 2,555,030 $36.0M Add +8.1%
MRK Merck & Co. Inc. 2.17% 422,531 $35.5M Reduce -0.8%
ABT Abbott Laboratories 1.87% 227,973 $30.5M Reduce -6.9%
JNJ Johnson & Johnson 1.80% 158,763 $29.4M Reduce -3.0%
GOOG Alphabet Inc. Class C 1.76% 118,098 $28.8M Reduce -1.1%
GLD SPDR Gold Shares 1.75% 80,565 $28.6M No change
APD Air Products & Chemicals Inc. 1.58% 94,797 $25.9M Reduce -0.1%
GOOGL Alphabet Inc. Class A 1.42% 95,696 $23.3M Add +0.1%
PYPL PayPal Holdings Inc. 1.36% 331,501 $22.2M Add +45.3%
TMO Thermo Fisher Scientific Inc. 1.26% 42,389 $20.6M Add +0.5%
LLYVK Liberty Media Corp.-Liberty-C 1.05% 177,006 $17.2M No change
PANW Palo Alto Networks Inc. 1.04% 83,254 $17.0M Add +25.6%
BSX Boston Scientific Corp. 1.04% 173,276 $16.9M Reduce -2.0%
SIRI Sirius XM Holdings Inc. 1.01% 711,469 $16.6M Reduce -0.9%
UNP Union Pacific Corp. 1.01% 69,871 $16.5M Reduce -0.3%
P Everpure Inc. Class A filed as PURE STORAGE INC 0.98% 190,420 $16.0M No change
FUL H.B. Fuller Co. filed as FULLER H B CO 0.96% 263,986 $15.6M Reduce -0.3%
AR Antero Resources Corp. 0.95% 464,398 $15.6M Add +57.0%
LLY Eli Lilly & Co. 0.94% 20,028 $15.3M Add +65.5%
UNH Unitedhealth Group Inc. 0.88% 41,526 $14.3M Reduce -9.3%
NVDA Nvidia Corp. 0.82% 71,463 $13.3M Reduce -4.9%
FWONK Liberty Media Corp. Class C 0.79% 122,897 $12.8M No change
RPRX Royalty Pharma PLC Class A 0.77% 358,237 $12.6M Add +0.0%
FMC FMC Corp. 0.76% 370,806 $12.5M Reduce -0.9%
LIN Linde PLC 0.75% 25,851 $12.3M Reduce -1.0%
PEP Pepsico Inc. 0.72% 83,367 $11.7M Reduce -6.6%
GE General Electric filed as GE AEROSPACE 0.69% 37,565 $11.3M Reduce -6.2%
XBI SS SPDR S&P Biotech ETF 0.64% 105,097 $10.5M Add +0.3%
MDT Medtronic PLC 0.63% 108,370 $10.3M Reduce -0.2%
LBRDK Liberty Broadband-C 0.61% 157,131 $10.0M Reduce -13.5%
APO Apollo Global Management Inc. 0.59% 72,880 $9.7M No change
MA Mastercard Inc. Class A 0.58% 16,571 $9.4M Add +24.4%
AFL Aflac Inc. 0.57% 83,570 $9.3M Reduce -0.8%
ROL Rollins Inc. 0.56% 156,393 $9.2M No change
HD Home Depot Inc. 0.52% 20,806 $8.4M No change
GFL GFL Environmental Inc.-Sub VT 0.51% 175,605 $8.3M Add +53.7%
LILA Liberty Latin Americ Class A 0.50% 983,226 $8.2M Reduce -14.6%
GEV GE Vernova Inc. 0.50% 13,159 $8.1M Reduce -11.4%
V Visa Inc. Class A 0.49% 23,335 $8.0M Add +13.1%
ABNB Airbnb Inc. Class A 0.46% 62,355 $7.6M No change
JPM JPMorgan Chase & Co. 0.46% 23,995 $7.6M Reduce -1.3%
CSCO Cisco Systems Inc. 0.46% 109,146 $7.5M Reduce -33.7%
FWONA Liberty Media Corp. Class A 0.39% 67,417 $6.4M Reduce -0.8%
EW Edwards Lifesciences Corp. 0.39% 81,497 $6.3M Reduce -0.8%
VWO Vanguard Ftse Emerging Marke 0.39% 116,108 $6.3M Add +3.7%
WDAY Workday Inc. Class A 0.38% 26,037 $6.3M No change
EL Estee Lauder Companies Class A filed as LAUDER ESTEE COS INC 0.38% 70,201 $6.2M No change
ADI Analog Devices Inc. 0.37% 24,789 $6.1M No change
ALKS Alkermes PLC 0.37% 201,210 $6.0M Reduce -8.8%
SYK Stryker Corp. 0.35% 15,372 $5.7M Reduce -4.1%
MS Morgan Stanley 0.34% 35,242 $5.6M Reduce -2.5%
MIDD Middleby Corp. 0.34% 41,825 $5.6M Reduce -37.4%
OKTA Okta Inc. 0.33% 59,451 $5.5M Add +70.2%
CB Chubb Ltd. 0.33% 18,916 $5.3M Reduce -3.5%
RTX RTX Corp. 0.32% 31,608 $5.3M No change
TEL Te Connectivity PLC 0.32% 23,573 $5.2M Reduce -2.8%
LBRDA Liberty Broadband-A 0.31% 80,839 $5.1M Reduce -0.7%
TECH Bio-Techne Corp. 0.31% 91,105 $5.1M Add +6.6%
LBTYK Liberty Global Ltd. Class C 0.31% 430,465 $5.1M No change
WEC WEC Energy Group Inc. 0.31% 43,907 $5.0M Reduce -0.5%
VIG Vanguard Dividend Apprec ETF 0.30% 23,067 $5.0M No change
OXY Occidental Petroleum Corp. 0.30% 105,115 $5.0M Reduce -15.8%
CVX Chevron Corp. 0.30% 31,710 $4.9M Reduce -3.2%
MMM 3M Co. 0.30% 31,115 $4.8M Reduce -17.2%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.29% 92,484 $4.8M Reduce -0.2%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.29% 16,788 $4.7M No change
LLYVA Liberty Media Corp.-Liberty-A 0.28% 48,473 $4.6M Reduce -1.4%
RBRK Rubrik Inc. Class A 0.27% 53,612 $4.4M Add +102.8%
IBKR Interactive Brokers Gro Class A 0.27% 62,920 $4.3M Reduce -3.1%
META Meta Platforms Inc. Class A 0.26% 5,695 $4.2M No change
LILAK Liberty Latin Americ Class C 0.25% 485,348 $4.1M No change
IVW iShares S&P 500 Growth ETF 0.25% 33,695 $4.1M No change
C Citigroup Inc. 0.25% 39,641 $4.0M No change
INTU Intuit Inc. 0.24% 5,750 $3.9M No change
CHTR Charter Communications Inc. Class A 0.24% 14,163 $3.9M Add +2.2%
ALNY Alnylam Pharmaceuticals Inc. 0.23% 8,200 $3.7M Reduce -18.4%
EXPE Expedia Group Inc. 0.23% 17,333 $3.7M No change
WFC Wells Fargo & Co. 0.22% 43,578 $3.7M Reduce -2.1%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.21% 24,081 $3.5M No change
ETN Eaton Corp. PLC 0.20% 8,904 $3.3M Reduce -1.1%
PG The Procter & Gamble Co. 0.20% 21,629 $3.3M Reduce -4.4%
WAT Waters Corp. 0.20% 11,084 $3.3M Reduce -11.9%
GDX Vaneck Gold Miners ETF 0.20% 43,197 $3.3M No change
VGK Vanguard Ftse Europe ETF 0.20% 40,000 $3.2M No change
FSLR First Solar Inc. 0.19% 14,406 $3.2M No change
ELAN Elanco Animal Health Inc. 0.17% 141,284 $2.8M No change
DBRG Digitalbridge Group Inc. 0.17% 242,300 $2.8M Reduce -3.2%
NONE filed as SUNRISE COMMUNICAT-CL A 0.17% 47,496 $2.8M New
CEG Constellation Energy 0.17% 8,520 $2.8M No change

Show all 222 holdings

Portfolio Sells Q2 2025 → Q3 2025
LBRDK Liberty Broadband-C Reduce -13.5% 0.61% −0.54
CHD Church & Dwight Co. Inc. Reduce -0.1% 3.48% −0.52
ADP Automatic Data Processing Reduce -1.1% 3.70% −0.42
MOS The Mosaic Co. Reduce -4.9% 2.28% −0.36
MIDD Middleby Corp. Reduce -37.4% 0.34% −0.28
CSCO Cisco Systems Inc. Reduce -33.7% 0.46% −0.28
ABT Abbott Laboratories Reduce -6.9% 1.87% −0.27
FMC FMC Corp. Reduce -0.9% 0.76% −0.24
AKAM Akamai Technologies Inc. Reduce -87.7% 0.03% −0.20
LBRDA Liberty Broadband-A Reduce -0.7% 0.31% −0.20
BSX Boston Scientific Corp. Reduce -2.0% 1.04% −0.18
SNREY Sunrise Communicat Class A Sold out 0.00% −0.17
APD Air Products & Chemicals Inc. Reduce -0.1% 1.58% −0.13
ECL Ecolab Inc. Reduce -0.4% 3.83% −0.13
BPMC Blueprint Medicines Corp. Sold out 0.00% −0.10
BRK.B Berkshire Hathaway Inc. Class B Reduce -0.6% 5.08% −0.09
XOM Exxon Mobil Corp. Reduce -2.2% 3.70% −0.09
CTSH Cognizant Tech Solutions-A Reduce -20.1% 0.16% −0.09
WAT Waters Corp. Reduce -11.9% 0.20% −0.08
MMM 3M Co. Reduce -17.2% 0.30% −0.07
CCJ Cameco Corp. Reduce -9.5% 2.66% −0.07
FUL H.B. Fuller Co. Reduce -0.3% 0.96% −0.06
SYK Stryker Corp. Reduce -4.1% 0.35% −0.06
KMB Kimberly-Clark Corp. Reduce -32.3% 0.09% −0.05
ELV Elevance Health Inc. Sold out 0.00% −0.05
SIRI Sirius XM Holdings Inc. Reduce -0.9% 1.01% −0.04
BEN Franklin Templeton Inc. Reduce -33.3% 0.07% −0.04
PEP Pepsico Inc. Reduce -6.6% 0.72% −0.04
UNH Unitedhealth Group Inc. Reduce -9.3% 0.88% −0.04
CB Chubb Ltd. Reduce -3.5% 0.33% −0.04
MDLZ Mondelez International Inc. Class A Reduce -68.4% 0.01% −0.04
ALKS Alkermes PLC Reduce -8.8% 0.37% −0.04
LIN Linde PLC Reduce -1.0% 0.75% −0.03
OXY Occidental Petroleum Corp. Reduce -15.8% 0.30% −0.03
NPWR Net Power Inc. Sold out 0.00% −0.03
PG The Procter & Gamble Co. Reduce -4.4% 0.20% −0.03
EW Edwards Lifesciences Corp. Reduce -0.8% 0.39% −0.02
UNP Union Pacific Corp. Reduce -0.3% 1.01% −0.02
ZTS Zoetis Inc. Reduce -14.2% 0.07% −0.02
KMPR Kemper Corp. Reduce -2.4% 0.06% −0.02
FWONA Liberty Media Corp. Class A Reduce -0.8% 0.39% −0.02
SLB SLB Ltd. Sold out 0.00% −0.02
GLIBK Liberty Capital Corp. Class C Reduce -17.2% 0.07% −0.02
COST Costco Wholesale Corp. Reduce -0.2% 0.15% −0.02
GLIBA Liberty Capital Corp. Reduce -36.7% 0.02% −0.02
FICO Fair Isaac Corp. Sold out 0.00% −0.02
MNDY Monday.com Ltd. Sold out 0.00% −0.01
CL Colgate-Palmolive Co. Sold out 0.00% −0.01
AGCO Agco Corp. Reduce -17.0% 0.06% −0.01
ALC Alcon Inc. Reduce -0.7% 0.05% −0.01

Portfolio Buys Q2 2025 → Q3 2025
PROSY Prosus NV -Spon ADR Add +8.1% 2.20% +0.51
GOOGL Alphabet Inc. Class A Add +0.1% 1.42% +0.34
LLY Eli Lilly & Co. Add +65.5% 0.94% +0.33
PYPL PayPal Holdings Inc. Add +45.3% 1.36% +0.27
AR Antero Resources Corp. Add +57.0% 0.95% +0.19
NONE New 0.17% +0.17
PANW Palo Alto Networks Inc. Add +25.6% 1.04% +0.17
TMO Thermo Fisher Scientific Inc. Add +0.5% 1.26% +0.16
GFL GFL Environmental Inc.-Sub VT Add +53.7% 0.51% +0.14
RBRK Rubrik Inc. Class A Add +102.8% 0.27% +0.12
AMZN Amazon.com Inc. Add +9.7% 2.54% +0.12
OKTA Okta Inc. Add +70.2% 0.33% +0.11
MA Mastercard Inc. Class A Add +24.4% 0.58% +0.10
XBI SS SPDR S&P Biotech ETF Add +0.3% 0.64% +0.09
TVTX Travere Therapeutics Inc. Add +100.0% 0.08% +0.06
TSLA Tesla Inc. Add +10.9% 0.14% +0.05
RVMD Revolution Medicines Inc. Add +56.5% 0.06% +0.03
VWO Vanguard Ftse Emerging Marke Add +3.7% 0.39% +0.03
TECH Bio-Techne Corp. Add +6.6% 0.31% +0.03
ORCL Oracle Corp. New 0.03% +0.03
V Visa Inc. Class A Add +13.1% 0.49% +0.02
MSFT Microsoft Corp. Add +0.9% 5.32% +0.01
AOS Smith (a.o.) Corp. New 0.01% +0.01
GLW Corning Inc. New 0.01% +0.01
PFG Principal Financial Group New 0.01% +0.01
ILMN Illumina Inc. Add +12.5% 0.10% +0.01
NEE Nextera Energy Inc. Add +0.8% 0.13% +0.01
DHR Danaher Corp. Add +8.2% 0.16% +0.01
ERII Energy Recovery Inc. Add +9.1% 0.01% +0.00
RHHBY Roche Holdings Ltd.-Spons ADR Add +1.9% 0.13% −0.00
EOG EOG Resources Inc. Add +4.2% 0.05% −0.00
HON Honeywell International Inc. Add +0.1% 0.07% −0.01
RPRX Royalty Pharma PLC Class A Add +0.0% 0.77% −0.05
CHTR Charter Communications Inc. Class A Add +2.2% 0.24% −0.12

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 221$1.7BCAT, BRK.B, MSFT, XOM, AAPL
Q1 2026 218$1.6BXOM, BRK.B, MSFT, CAT, CHD
Q4 2025 218$1.6BMSFT, BRK.B, XOM, AAPL, CAT
Q3 2025 222$1.6BMSFT, BRK.B, ECL, ADP, XOM
Q2 2025 223$1.6BMSFT, BRK.B, ADP, CHD, ECL
Q1 2025 217$1.5BBRK.B, CHD, XOM, ADP, MSFT
Q4 2024 210$1.5BBRK.B, AAPL, CHD, MSFT, ADP
Q3 2024 219$1.5BBRK.B, CHD, AAPL, MSFT, XOM
Q2 2024 217$1.4BXOM, CHD, MSFT, BRK.B, AAPL
Q1 2024 210$1.4BBRK.B, CHD, MSFT, PXD, ECL