S&co Inc.

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 5, 2026), S&co Inc. reported 218 stock positions worth $1.6 billion. Its top holding was Microsoft (MSFT) at 5.2% of the portfolio, followed by Berkshire Hathaway Class B (BRK.B, 5.1%) and Exxon Mobil (XOM, 3.9%). Compared with Q3 2025, it opened 6 new positions, sold out of 10, added to 33 and reduced 70. The biggest buy was Merck (MRK, shares +1%) and the biggest sale Mosaic (MOS, shares −9%).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001082461
Portfolio Value
$1.6B (Q4 2025)
SEC Filing
0001082461-26-000001 ↗ filed Feb 5, 2026

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 Q3 2025 Q4 2025: $1.6B $1.6B Q4 2025 Q1 2026: $1.6B Q1 2026 Q2 2026: $1.7B Q2 2026

Holdings 218 stocks · $1.6B
MSFT Microsoft Corp. 5.18% 172,297 $83.3M Add +2.8%
BRK.B Berkshire Hathaway Inc. Class B 5.13% 164,230 $82.5M Reduce -0.4%
XOM Exxon Mobil Corp. 3.94% 526,898 $63.4M Reduce -1.6%
AAPL Apple Inc. 3.93% 232,949 $63.3M Reduce -0.1%
CAT Caterpillar Inc. 3.75% 105,396 $60.4M Reduce -6.0%
ECL Ecolab Inc. 3.70% 227,070 $59.6M Reduce -0.7%
CHD Church & Dwight Co. Inc. 3.36% 644,488 $54.0M Reduce -0.8%
ADP Automatic Data Processing 3.24% 202,743 $52.2M Reduce -1.5%
MRK Merck & Co. Inc. 2.78% 425,531 $44.8M Add +0.7%
AMZN Amazon.com Inc. 2.73% 190,573 $44.0M Add +0.8%
GOOG Alphabet Inc. Class C 2.30% 118,183 $37.1M Add +0.1%
JNJ Johnson & Johnson 2.03% 158,298 $32.8M Reduce -0.3%
CCJ Cameco Corp. 2.02% 356,326 $32.6M Reduce -31.1%
GLD SPDR Gold Shares 1.98% 80,565 $31.9M No change
PROSY Prosus NV -Spon ADR 1.94% 2,511,156 $31.2M Reduce -1.7%
GOOGL Alphabet Inc. Class A 1.85% 95,307 $29.8M Reduce -0.4%
ABT Abbott Laboratories 1.76% 226,710 $28.4M Reduce -0.6%
TMO Thermo Fisher Scientific Inc. 1.51% 41,979 $24.3M Reduce -1.0%
MOS The Mosaic Co. 1.46% 973,872 $23.5M Reduce -9.5%
APD Air Products & Chemicals Inc. 1.44% 94,067 $23.2M Reduce -0.8%
LLY Eli Lilly & Co. 1.35% 20,209 $21.7M Add +0.9%
PYPL PayPal Holdings Inc. 1.25% 345,655 $20.2M Add +4.3%
AR Antero Resources Corp. 1.03% 479,399 $16.5M Add +3.2%
BSX Boston Scientific Corp. 1.01% 170,881 $16.3M Reduce -1.4%
UNP Union Pacific Corp. 1.00% 69,353 $16.0M Reduce -0.7%
FUL H.B. Fuller Co. filed as FULLER H B CO 0.97% 262,956 $15.6M Reduce -0.4%
PANW Palo Alto Networks Inc. 0.95% 83,346 $15.4M Add +0.1%
NVDA Nvidia Corp. 0.93% 79,944 $14.9M Add +11.9%
LLYVK Liberty Live Holdings Class C 0.91% 176,571 $14.7M Reduce -0.3%
SIRI Sirius XM Holdings Inc. 0.87% 701,442 $14.0M Reduce -1.4%
RPRX Royalty Pharma PLC Class A 0.86% 358,377 $13.8M Add +0.0%
UNH Unitedhealth Group Inc. 0.83% 40,687 $13.4M Reduce -2.0%
P Everpure Inc. Class A filed as PURE STORAGE INC 0.79% 190,420 $12.8M No change
XBI SS SPDR S&P Biotech ETF 0.77% 102,227 $12.5M Reduce -2.7%
FWONK Liberty Media Corp. Class C 0.75% 122,543 $12.1M Reduce -0.3%
PEP Pepsico Inc. 0.73% 82,282 $11.8M Reduce -1.3%
GE General Electric filed as GE AEROSPACE 0.72% 37,485 $11.5M Reduce -0.2%
LIN Linde PLC 0.69% 26,052 $11.1M Add +0.8%
V Visa Inc. Class A 0.69% 31,498 $11.0M Add +35.0%
MDT Medtronic PLC 0.65% 108,128 $10.4M Reduce -0.2%
ROL Rollins Inc. 0.58% 156,393 $9.4M No change
MA Mastercard Inc. Class A 0.58% 16,399 $9.4M Reduce -1.0%
AFL Aflac Inc. 0.57% 83,570 $9.2M No change
APO Apollo Global Management Inc. 0.57% 62,880 $9.1M Reduce -13.7%
GEV GE Vernova Inc. 0.53% 13,076 $8.5M Reduce -0.6%
ABNB Airbnb Inc. Class A 0.53% 62,355 $8.5M No change
CSCO Cisco Systems Inc. 0.52% 108,538 $8.4M Reduce -0.6%
JPM JPMorgan Chase & Co. 0.48% 23,935 $7.7M Reduce -0.3%
GFL GFL Environmental Inc.-Sub VT 0.47% 175,599 $7.5M Reduce 0.0%
EL Estee Lauder Companies Class A filed as LAUDER ESTEE COS INC 0.45% 69,668 $7.3M Reduce -0.8%
HD Home Depot Inc. 0.45% 20,887 $7.2M Add +0.4%
EW Edwards Lifesciences Corp. 0.43% 81,497 $6.9M No change
ADI Analog Devices Inc. 0.42% 24,789 $6.7M No change
VWO Vanguard Ftse Emerging Marke 0.39% 116,943 $6.3M Add +0.7%
MS Morgan Stanley 0.39% 35,142 $6.2M Reduce -0.3%
MIDD Middleby Corp. 0.39% 41,800 $6.2M Reduce -0.1%
FWONA Liberty Media Corp. Class A 0.37% 67,239 $6.0M Reduce -0.3%
CB Chubb Ltd. 0.37% 18,916 $5.9M No change
LBRDK Liberty Broadband-C 0.36% 120,600 $5.9M Reduce -23.3%
RTX RTX Corp. 0.36% 31,608 $5.8M No change
ALKS Alkermes PLC 0.35% 201,760 $5.6M Add +0.3%
LILA Liberty Latin Americ Class A 0.35% 758,576 $5.6M Reduce -22.9%
WDAY Workday Inc. Class A 0.35% 26,072 $5.6M Add +0.1%
SYK Stryker Corp. 0.33% 15,307 $5.4M Reduce -0.4%
TECH Bio-Techne Corp. 0.33% 90,695 $5.3M Reduce -0.5%
OKTA Okta Inc. 0.33% 60,918 $5.3M Add +2.5%
TEL Te Connectivity PLC 0.32% 22,498 $5.1M Reduce -4.6%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.32% 92,484 $5.1M No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.31% 16,788 $5.0M No change
MMM 3M Co. 0.31% 31,055 $5.0M Reduce -0.2%
VIG Vanguard Dividend Apprec ETF 0.30% 21,687 $4.8M Reduce -6.0%
LBTYK Liberty Global Ltd. Class C 0.30% 430,465 $4.8M No change
FANG Diamondback Energy Inc. 0.29% 31,300 $4.7M New
CVX Chevron Corp. 0.29% 30,679 $4.7M Reduce -3.3%
WEC WEC Energy Group Inc. 0.29% 43,907 $4.6M No change
C Citigroup Inc. 0.29% 39,641 $4.6M No change
EXPE Expedia Group Inc. 0.29% 16,299 $4.6M Reduce -6.0%
INTU Intuit Inc. 0.29% 6,938 $4.6M Add +20.7%
WAT Waters Corp. 0.26% 10,954 $4.2M Reduce -1.2%
IVW iShares S&P 500 Growth ETF 0.26% 33,695 $4.2M No change
RBRK Rubrik Inc. Class A 0.25% 53,612 $4.1M No change
IBKR Interactive Brokers Gro Class A 0.25% 63,080 $4.1M Add +0.3%
LLYVA Liberty Live Holdings Class A 0.24% 47,547 $3.9M Reduce -1.9%
META Meta Platforms Inc. Class A 0.23% 5,725 $3.8M Add +0.5%
FSLR First Solar Inc. 0.23% 14,406 $3.8M No change
DBRG Digitalbridge Group Inc. 0.23% 242,300 $3.7M No change
GDX Vaneck Gold Miners ETF 0.23% 42,589 $3.7M Reduce -1.4%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.21% 22,361 $3.4M Reduce -7.1%
VGK Vanguard Ftse Europe ETF 0.21% 40,000 $3.3M No change
WFC Wells Fargo & Co. 0.21% 35,649 $3.3M Reduce -18.2%
ALNY Alnylam Pharmaceuticals Inc. 0.20% 8,200 $3.3M No change
LBRDA Liberty Broadband-A 0.20% 67,172 $3.2M Reduce -16.9%
CTSH Cognizant Tech Solutions-A 0.20% 38,935 $3.2M Reduce -2.0%
PG The Procter & Gamble Co. 0.19% 21,629 $3.1M No change
DHR Danaher Corp. 0.19% 13,189 $3.0M No change
CEG Constellation Energy 0.19% 8,520 $3.0M No change
ISRG Intuitive Surgical Inc. 0.18% 5,121 $2.9M No change
DXJ Wisdomtree Japan Hedged Eq 0.18% 20,000 $2.9M No change
ETN Eaton Corp. PLC 0.18% 8,976 $2.9M Add +0.8%
RHHBY Roche Holdings Ltd.-Spons ADR 0.17% 53,444 $2.8M Add +2.5%

Show all 218 holdings

Portfolio Sells Q3 2025 → Q4 2025
MOS The Mosaic Co. Reduce -9.5% 1.46% −0.83
FMC FMC Corp. Sold out 0.00% −0.76
CCJ Cameco Corp. Reduce -31.1% 2.02% −0.63
ADP Automatic Data Processing Reduce -1.5% 3.24% −0.46
OXY Occidental Petroleum Corp. Sold out 0.00% −0.30
PROSY Prosus NV -Spon ADR Reduce -1.7% 1.94% −0.27
LBRDK Liberty Broadband-C Reduce -23.3% 0.36% −0.25
CHTR Charter Communications Inc. Class A Reduce -70.8% 0.05% −0.18
NONE Sold out 0.00% −0.17
LILA Liberty Latin Americ Class A Reduce -22.9% 0.35% −0.15
SIRI Sirius XM Holdings Inc. Reduce -1.4% 0.87% −0.14
APD Air Products & Chemicals Inc. Reduce -0.8% 1.44% −0.14
LLYVK Liberty Live Holdings Class C Reduce -0.3% 0.91% −0.14
ECL Ecolab Inc. Reduce -0.7% 3.70% −0.13
CHD Church & Dwight Co. Inc. Reduce -0.8% 3.36% −0.13
LILAK Liberty Latin Americ Class C Reduce -41.7% 0.13% −0.12
LBRDA Liberty Broadband-A Reduce -16.9% 0.20% −0.11
ABT Abbott Laboratories Reduce -0.6% 1.76% −0.10
BAX Baxter International Inc. Sold out 0.00% −0.06
UNH Unitedhealth Group Inc. Reduce -2.0% 0.83% −0.04
GFL GFL Environmental Inc.-Sub VT Reduce 0.0% 0.47% −0.04
LLYVA Liberty Live Holdings Class A Reduce -1.9% 0.24% −0.04
ZTS Zoetis Inc. Reduce -42.0% 0.04% −0.04
FWONK Liberty Media Corp. Class C Reduce -0.3% 0.75% −0.04
CP Canadian Pacific Kansas City Reduce -32.0% 0.06% −0.03
APO Apollo Global Management Inc. Reduce -13.7% 0.57% −0.03
AKAM Akamai Technologies Inc. Sold out 0.00% −0.03
BE Bloom Energy Corp. Class A Reduce -50.0% 0.03% −0.02
BSX Boston Scientific Corp. Reduce -1.4% 1.01% −0.02
FWONA Liberty Media Corp. Class A Reduce -0.3% 0.37% −0.02
RRC Range Resources Corp. Reduce -9.1% 0.12% −0.02
ELAN Elanco Animal Health Inc. Reduce -21.2% 0.16% −0.02
WFC Wells Fargo & Co. Reduce -18.2% 0.21% −0.02
ALGN Align Technology Inc. Sold out 0.00% −0.02
NFLX Netflix Inc. Sold out 0.00% −0.01
UNP Union Pacific Corp. Reduce -0.7% 1.00% −0.01
MDLZ Mondelez International Inc. Class A Sold out 0.00% −0.01
PAYX Paychex Inc. Sold out 0.00% −0.01
SYK Stryker Corp. Reduce -0.4% 0.33% −0.01
AOS Smith (a.o.) Corp. Sold out 0.00% −0.01
BATRK Atlanta Braves Holdings in-C Reduce -16.8% 0.05% −0.01
CVX Chevron Corp. Reduce -3.3% 0.29% −0.01
COST Costco Wholesale Corp. Reduce -0.5% 0.14% −0.01
VIG Vanguard Dividend Apprec ETF Reduce -6.0% 0.30% −0.01
MP MP Materials Corp. Reduce -7.7% 0.02% −0.01
LBTYA Liberty Global Ltd. Class A Reduce -3.4% 0.15% −0.01
BAH Booz Allen Hamilton Holdings Reduce -0.5% 0.03% −0.01
PFE Pfizer Inc. Reduce -3.4% 0.08% −0.00
HUM Humana Inc. Reduce -1.2% 0.13% −0.00
GLIBA Liberty Capital Corp. Reduce -0.6% 0.02% −0.00

Portfolio Buys Q3 2025 → Q4 2025
MRK Merck & Co. Inc. Add +0.7% 2.78% +0.61
GOOG Alphabet Inc. Class C Add +0.1% 2.30% +0.54
LLY Eli Lilly & Co. Add +0.9% 1.35% +0.41
FANG Diamondback Energy Inc. New 0.29% +0.29
V Visa Inc. Class A Add +35.0% 0.69% +0.20
AMZN Amazon.com Inc. Add +0.8% 2.73% +0.19
NVDA Nvidia Corp. Add +11.9% 0.93% +0.11
RVMD Revolution Medicines Inc. Add +54.1% 0.17% +0.11
RPRX Royalty Pharma PLC Class A Add +0.0% 0.86% +0.09
AR Antero Resources Corp. Add +3.2% 1.03% +0.07
MNDY Monday.com Ltd. New 0.06% +0.06
INTU Intuit Inc. Add +20.7% 0.29% +0.05
RHHBY Roche Holdings Ltd.-Spons ADR Add +2.5% 0.17% +0.04
GLIBK Liberty Capital Corp. Class C Add +50.5% 0.10% +0.04
SEE Sealed Air Corp. New 0.02% +0.02
ORA Ormat Technologies Inc. New 0.01% +0.01
FICO Fair Isaac Corp. New 0.01% +0.01
CFG Citizens Financial Group New 0.01% +0.01
NEE Nextera Energy Inc. Add +0.8% 0.14% +0.01
VWO Vanguard Ftse Emerging Marke Add +0.7% 0.39% +0.01
TSLA Tesla Inc. Add +0.4% 0.14% +0.00
EOG EOG Resources Inc. Add +13.7% 0.05% +0.00
CET Central Securities Corp. Add +4.9% 0.05% +0.00
AES AES Corp. Add +6.3% 0.02% +0.00
LOW Lowe's Cos Inc. Add +0.6% 0.10% −0.00
HON Honeywell International Inc. Add +1.4% 0.07% −0.00
T AT&T Inc. Add +0.2% 0.04% −0.01
OKTA Okta Inc. Add +2.5% 0.33% −0.01
ORCL Oracle Corp. Add +6.3% 0.02% −0.01
IBKR Interactive Brokers Gro Class A Add +0.3% 0.25% −0.01
ALKS Alkermes PLC Add +0.3% 0.35% −0.02
META Meta Platforms Inc. Class A Add +0.5% 0.23% −0.02
ETN Eaton Corp. PLC Add +0.8% 0.18% −0.03
WDAY Workday Inc. Class A Add +0.1% 0.35% −0.04
LIN Linde PLC Add +0.8% 0.69% −0.06
HD Home Depot Inc. Add +0.4% 0.45% −0.07
PANW Palo Alto Networks Inc. Add +0.1% 0.95% −0.08
PYPL PayPal Holdings Inc. Add +4.3% 1.25% −0.11
MSFT Microsoft Corp. Add +2.8% 5.18% −0.14

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