S&CO INC
13F Reported Value
ⓘ$1.7B
Holdings
222
Latest Filing
2026-06-30
Filing Quarter
Q2 2026
Portfolio Overview
S&CO INC disclosed 222 positions worth $1.7B in its Form 13F-HR for Q2 2026, led by $CAT (CATERPILLAR INC) at 5.8% of the equity portfolio, followed by $BRK.B and $MSFT. During the quarter the fund opened 12 new positions and exited 7 — including a new stake in $CF and a full exit from $CTSH. The portfolio is most concentrated in Technology (25.4% of disclosed assets). All figures are sourced directly from S&CO INC’s Form 13F-HR filing with the SEC under CIK 1082461.
AI Fund Analysis
Stable
$CAT
$BRK-A
$MSFT
$AAPL
$CHD$MSFT
$V
$LLY
$EOGSector Allocation
AUM History
Top Equity Holdings by Value
Quarterly Activity — Q2 2026
Click any card to unlockTop Holdings
- 66.5#409
Quality
$100.2M94,076 sh - 73.8#126
Quality
$82.1M164,075 sh - 79.8#31
Quality
$74.0M198,340 sh - 57.9
Quality
$71.9M526,003 sh - 76.4
Quality
$63.9M220,707 sh - 58.1
Quality
$62.9M649,655 sh - 63.3
Quality
$62.9M225,862 sh - 59.9
Quality
$54.7M425,528 sh - 68.7
Quality
$46.9M196,975 sh - 69.8
Quality
$45.2M201,978 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
| CATERPILLAR INC$CAT | 66.5#409 | $100.2M | 94,076 |
 BERKSHIRE HATHAWAY INC$BRK.B | 73.8#126 | $82.1M | 164,075 |
| MICROSOFT CORP$MSFT | 79.8#31 | $74.0M | 198,340 |
 EXXON MOBIL CORP$XOM.R34088 | 57.9 | $71.9M | 526,003 |
| Apple Inc.$AAPL | 76.4 | $63.9M | 220,707 |
| CHURCH & DWIGHT CO INC /DE/$CHD | 58.1 | $62.9M | 649,655 |
 ECOLAB INC.$ECL | 63.3 | $62.9M | 225,862 |
 Merck & Co., Inc.$MRK | 59.9 | $54.7M | 425,528 |
 AMAZON COM INC$AMZN | 68.7 | $46.9M | 196,975 |
 AUTOMATIC DATA PROCESSING INC$ADP | 69.8 | $45.2M | 201,978 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of S&CO INC's 222 positions.
Showing top 10 of 222 holdings.
Sector Allocation
Technology
$439.5M
Healthcare
$262.2M
Financials
$220.9M
Materials
$177.5M
Industrials
$156.5M
Other
$114.6M
Energy
$103.9M
Consumer Staples
$83.3M
Top Holdings — S&CO INC (Q2 2026)
Top 150 of 222 disclosed positions (by reported value) from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | $CAT | CATERPILLAR INC | $100.2M | 5.8% | -5% | 66.5 |
| 2 | $BRK.B | BERKSHIRE HATHAWAY INC | $82.1M | 4.7% | +0% | 73.8 |
| 3 | $MSFT | MICROSOFT CORP | $74.0M | 4.3% | +4% | 79.8 |
| 4 | $XOM.R34088 | EXXON MOBIL CORP | $71.9M | 4.2% | +0% | 57.9 |
| 5 | $AAPL | Apple Inc. | $63.9M | 3.7% | -5% | 76.4 |
| 6 | $CHD | CHURCH & DWIGHT CO INC /DE/ | $62.9M | 3.6% | -0% | 58.1 |
| 7 | $ECL | ECOLAB INC. | $62.9M | 3.6% | -0% | 63.3 |
| 8 | $MRK | Merck & Co., Inc. | $54.7M | 3.2% | +0% | 59.9 |
| 9 | $AMZN | AMAZON COM INC | $46.9M | 2.7% | -0% | 68.7 |
| 10 | $ADP | AUTOMATIC DATA PROCESSING INC | $45.2M | 2.6% | +0% | 69.8 |
| 11 |  $GOOGL | Alphabet Inc. | $41.7M | 2.4% | +0% | 78.2 |
| 12 |  $JNJ | JOHNSON & JOHNSON | $39.9M | 2.3% | +0% | 69 |
| 13 |  $GOOG | Alphabet Inc. | $33.9M | 2.0% | -0% | 78.2 |
| 14 |  $CCJ | CAMECO CORP | $31.9M | 1.9% | -4% | — |
| 15 |  $PANW | Palo Alto Networks Inc | $31.3M | 1.8% | +6% | 65.5 |
| 16 |  $GLD | SPDR GOLD TRUST | $29.7M | 1.7% | +0% | — |
| 17 |  $APD | Air Products & Chemicals, Inc. | $27.7M | 1.6% | +0% | 46.4 |
| 18 | $LLY | ELI LILLY & Co | $26.7M | 1.6% | +4% | 87.5 |
| 19 |  $MOS | MOSAIC CO | $22.1M | 1.3% | +8% | 39.2 |
| 20 | — | PROSUS NV -SPON ADR - COM | $21.7M | 1.3% | +0% | — |
| 21 |  $TMO | THERMO FISHER SCIENTIFIC INC. | $20.7M | 1.2% | -1% | 65.1 |
| 22 |  $RPRX | Royalty Pharma plc | $20.1M | 1.2% | -0% | — |
| 23 |  $UNP | UNION PACIFIC CORP | $18.9M | 1.1% | +0% | 69.7 |
| 24 |  $PYPL | PayPal Holdings, Inc. | $18.8M | 1.1% | -2% | 64.1 |
| 25 |  $LLYVA | Liberty Live Holdings, Inc. | $18.5M | 1.1% | -1% | 27.5 |
| 26 |  $UNH | UNITEDHEALTH GROUP INC | $18.3M | 1.1% | -0% | 62.7 |
| 27 |  $AR | ANTERO RESOURCES Corp | $17.7M | 1.0% | +3% | 75.4 |
| 28 |  $ABT | ABBOTT LABORATORIES | $16.9M | 1.0% | -7% | 65.5 |
| 29 |  $SIRI | SIRIUS XM HOLDINGS INC. | $16.8M | 1.0% | -2% | 61.5 |
| 30 | — | EVERPURE, INC. CLASS A - COM | $15.0M | 0.9% | +0% | — |
| 31 | — | SPDR S&P BIOTECH ETF - COM | $14.9M | 0.9% | +0% | — |
| 32 |  $NVDA | NVIDIA CORP | $14.4M | 0.8% | +0% | 85.9 |
| 33 | $V | VISA INC. | $14.4M | 0.8% | +12% | 82.9 |
| 34 |  $FUL | FULLER H B CO | $14.1M | 0.8% | -7% | 50.9 |
| 35 |  $GEV | GE Vernova Inc. | $13.8M | 0.8% | -4% | 81.1 |
| 36 |  $LIN | LINDE PLC | $13.6M | 0.8% | +0% | — |
| 37 |  $GE | GENERAL ELECTRIC CO | $13.3M | 0.8% | -5% | 73.8 |
| 38 |  $ALKS | Alkermes plc. | $12.8M | 0.7% | +0% | — |
| 39 |  $CSCO | CISCO SYSTEMS, INC. | $12.6M | 0.7% | -0% | 70.3 |
| 40 | — | ROCHE HOLDING LTD SPONSORED AD - COM | $11.9M | 0.7% | +64% | — |
| 41 |  $FWONA | Liberty Media Corp | $11.7M | 0.7% | +0% | 63.2 |
| 42 |  $MA | Mastercard Inc | $11.5M | 0.7% | +4% | 85.1 |
| 43 |  $GFL | GFL Environmental Inc. | $10.8M | 0.6% | +44% | — |
| 44 |  $PEP | PEPSICO INC | $10.2M | 0.6% | -2% | 63.4 |
| 45 |  $AFL | AFLAC INC | $9.8M | 0.6% | +0% | 61.3 |
| 46 |  $ADI | ANALOG DEVICES INC | $9.4M | 0.6% | -4% | 79.2 |
| 47 |  $ABNB | Airbnb, Inc. | $8.9M | 0.5% | +0% | 71 |
| 48 |  $MDT | Medtronic plc | $8.5M | 0.5% | +0% | 68.7 |
| 49 | — | VANGUARD FTSE EMERGING MARKET - COM | $7.9M | 0.5% | +1% | — |
| 50 |  $JPM | JPMORGAN CHASE & CO | $7.6M | 0.4% | -3% | 70.7 |
| 51 |  $APO | Apollo Global Management, Inc. | $7.4M | 0.4% | +0% | 52.1 |
| 52 |  $EW | Edwards Lifesciences Corp | $7.4M | 0.4% | +0% | 69.4 |
| 53 |  $HD | HOME DEPOT, INC. | $7.4M | 0.4% | +0% | 60.3 |
| 54 |  $BSX | BOSTON SCIENTIFIC CORP | $7.2M | 0.4% | +0% | 77.5 |
| 55 |  $MS | MORGAN STANLEY | $7.1M | 0.4% | -1% | 75.8 |
| 56 | — | ASTRAZENECA PLC - COM | $7.1M | 0.4% | -25% | — |
| 57 |  $ROL | ROLLINS INC | $6.5M | 0.4% | +0% | 65 |
| 58 |  $CB | Chubb Ltd | $6.4M | 0.4% | +0% | — |
| 59 |  $RVMD | Revolution Medicines, Inc. | $6.4M | 0.4% | +0% | — |
| 60 |  $FANG | Diamondback Energy, Inc. | $5.7M | 0.3% | +0% | 76.1 |
| 61 | $FWONA | Liberty Media Corp | $5.6M | 0.3% | -4% | 63.2 |
| 62 |  $EL | ESTEE LAUDER COMPANIES INC | $5.6M | 0.3% | +0% | 51.2 |
| 63 |  $C | CITIGROUP INC | $5.6M | 0.3% | +0% | 65 |
| 64 |  $RTX | RTX Corp | $5.5M | 0.3% | -8% | 73.2 |
| 65 |  $TECH | BIO-TECHNE Corp | $5.4M | 0.3% | -16% | 58.9 |
| 66 |  $BAC | BANK OF AMERICA CORP /DE/ | $5.3M | 0.3% | +0% | 67.6 |
| 67 |  $IBKR | Interactive Brokers Group, Inc. | $5.2M | 0.3% | -5% | 77 |
| 68 | — | VANGUARD DIVIDEND APPRECIATION - COM | $5.1M | 0.3% | +0% | — |
| 69 |  $MMM | 3M CO | $5.0M | 0.3% | +0% | 64.9 |
| 70 |  $MIDD | MIDDLEBY Corp | $5.0M | 0.3% | +0% | 40.6 |
| 71 | $LLYVA | Liberty Live Holdings, Inc. | $5.0M | 0.3% | -0% | 27.5 |
| 72 |  $CVX | CHEVRON CORP | $5.0M | 0.3% | +0% | 62.8 |
| 73 |  $SYK | STRYKER CORP | $4.8M | 0.3% | +0% | 72.1 |
| 74 |  $WEC | WEC ENERGY GROUP, INC. | $4.7M | 0.3% | +0% | 60.1 |
| 75 |  $IBM | INTERNATIONAL BUSINESS MACHINES CORP | $4.7M | 0.3% | +0% | 70 |
| 76 |  $LBTYA | Liberty Global Ltd. | $4.7M | 0.3% | -2% | — |
| 77 | — | ISHARES S&P 500/BARRA GROWTH I - COM | $4.6M | 0.3% | +0% | — |
| 78 |  $TEL | TE Connectivity plc | $4.5M | 0.3% | +0% | — |
| 79 |  $RBRK | Rubrik, Inc. | $4.3M | 0.3% | +0% | 56.6 |
| 80 |  $WAT | WATERS CORP /DE/ | $4.3M | 0.3% | +0% | 60.4 |
| 81 |  $EXPE | Expedia Group, Inc. | $4.2M | 0.2% | +0% | 71.1 |
| 82 |  $LBRDA | Liberty Broadband Corp | $4.0M | 0.2% | +0% | 53 |
| 83 |  $ETN | Eaton Corp plc | $3.8M | 0.2% | +0% | — |
| 84 | — | VANGUARD MSCI EUROPEAN INDEX E - COM | $3.5M | 0.2% | +0% | — |
| 85 | — | WISDOMTREE JAPAN HEDGED EQUITY - COM | $3.5M | 0.2% | +0% | — |
| 86 |  $FSLR | FIRST SOLAR, INC. | $3.4M | 0.2% | +0% | 79.2 |
| 87 |  $META | Meta Platforms, Inc. | $3.2M | 0.2% | -0% | 79.6 |
| 88 | — | VANECK GOLD MINERS ETF - COM | $3.2M | 0.2% | +0% | — |
| 89 |  $TVTX | Travere Therapeutics, Inc. | $3.2M | 0.2% | +0% | 56.6 |
| 90 |  $ILMN | ILLUMINA, INC. | $3.2M | 0.2% | +0% | 60.4 |
| 91 |  $MRVL | Marvell Technology, Inc. | $3.1M | 0.2% | +0% | 76.5 |
| 92 |  $TJX | TJX COMPANIES INC /DE/ | $3.1M | 0.2% | -7% | 68.7 |
| 93 |  $TSLA | Tesla, Inc. | $3.0M | 0.2% | +18% | 53.9 |
| 94 |  $INTU | INTUIT INC. | $3.0M | 0.2% | -21% | 79.3 |
| 95 |  $PG | PROCTER & GAMBLE Co | $3.0M | 0.2% | +0% | 64.6 |
| 96 |  $HUM | HUMANA INC | $2.9M | 0.2% | +0% | 58.9 |
| 97 |  $WFC | WELLS FARGO & COMPANY/MN | $2.9M | 0.2% | -2% | 61.8 |
| 98 | — | PEOPLE INCORPORATED - COM | $2.7M | 0.2% | +0% | — |
| 99 |  $ELAN | Elanco Animal Health Inc | $2.7M | 0.2% | +0% | 48.7 |
| 100 |  $OKTA | Okta, Inc. | $2.7M | 0.2% | -73% | 64.7 |
| 101 |  $DHR | DANAHER CORP /DE/ | $2.7M | 0.1% | +6% | 64.8 |
| 102 |  $CF | CF Industries Holdings, Inc. | $2.6M | 0.1% | NEW | 77.4 |
| 103 |  $NEE | NEXTERA ENERGY INC | $2.6M | 0.1% | +4% | 64.6 |
| 104 |  $GLIBA | Liberty Capital Corp/NV | $2.6M | 0.1% | -9% | 34.3 |
| 105 | — | VANGUARD FTSE ALL-WORLD EX-US - COM | $2.6M | 0.1% | +0% | — |
| 106 | $LBTYA | Liberty Global Ltd. | $2.5M | 0.1% | -0% | — |
| 107 |  $COST | COSTCO WHOLESALE CORP /NEW | $2.4M | 0.1% | +0% | 66.2 |
| 108 |  $A | AGILENT TECHNOLOGIES, INC. | $2.3M | 0.1% | +0% | 67.1 |
| 109 |  $FERG | Ferguson Enterprises Inc. /DE/ | $2.3M | 0.1% | +0% | 52.2 |
| 110 |  $WDAY | Workday, Inc. | $2.3M | 0.1% | -29% | 75.5 |
| 111 |  $MCD | MCDONALDS CORP | $2.3M | 0.1% | +0% | 69 |
| 112 |  $ALNY | ALNYLAM PHARMACEUTICALS, INC. | $2.2M | 0.1% | +0% | 71.4 |
| 113 |  $AXP | AMERICAN EXPRESS CO | $2.2M | 0.1% | +0% | 69.4 |
| 114 |  $CEG | Constellation Energy Corp | $2.1M | 0.1% | +0% | 59.4 |
| 115 | $LBRDA | Liberty Broadband Corp | $2.1M | 0.1% | -4% | 53 |
| 116 |  $VRTX | VERTEX PHARMACEUTICALS INC / MA | $2.0M | 0.1% | +0% | 75.4 |
| 117 |  $ISRG | INTUITIVE SURGICAL INC | $2.0M | 0.1% | +0% | 79.9 |
| 118 |  $RRC | RANGE RESOURCES CORP | $2.0M | 0.1% | +0% | 79.4 |
| 119 |  $RDDT | Reddit, Inc. | $2.0M | 0.1% | NEW | 79.8 |
| 120 |  $LECO | LINCOLN ELECTRIC HOLDINGS INC | $1.9M | 0.1% | +0% | 60.1 |
| 121 |  $CW | CURTISS WRIGHT CORP | $1.8M | 0.1% | +0% | 69.5 |
| 122 |  $PEN | Penumbra Inc | $1.7M | 0.1% | +0% | 67.1 |
| 123 |  $UBER | Uber Technologies, Inc | $1.7M | 0.1% | NEW | 73.5 |
| 124 |  $INTC | INTEL CORP | $1.6M | 0.1% | +0% | 45.6 |
| 125 | — | ISHARES MSCI JAPAN SMALL CAP E - COM | $1.6M | 0.1% | +0% | — |
| 126 |  $MELI | MERCADOLIBRE INC | $1.5M | 0.1% | NEW | 80.2 |
| 127 |  $ABBV | AbbVie Inc. | $1.5M | 0.1% | +0% | 72.6 |
| 128 |  $LOW | LOWES COMPANIES INC | $1.4M | 0.1% | +0% | 60.8 |
| 129 | $EOG | EOG RESOURCES INC | $1.4M | 0.1% | +0% | 71.9 |
| 130 |  $INSM | INSMED Inc | $1.4M | 0.1% | +57% | 39.4 |
| 131 |  $KMB | KIMBERLY CLARK CORP | $1.3M | 0.1% | +0% | 58.7 |
| 132 |  $IAU | ISHARES GOLD TRUST | $1.3M | 0.1% | +0% | — |
| 133 |  $LILA | Liberty Latin America Ltd. | $1.2M | 0.1% | -74% | — |
| 134 | — | ISHARES RUSSELL 1000 VALUE IND - COM | $1.2M | 0.1% | +0% | — |
| 135 |  $PFE | PFIZER INC | $1.2M | 0.1% | +0% | 62 |
| 136 |  $NBIX | NEUROCRINE BIOSCIENCES INC | $1.2M | 0.1% | +0% | 76.5 |
| 137 |  $AGCO | AGCO CORP /DE | $1.1M | 0.1% | +0% | 51.8 |
| 138 |  $SONY | Sony Group Corp | $1.1M | 0.1% | +0% | — |
| 139 |  $PRVA | Privia Health Group, Inc. | $1.1M | 0.1% | +0% | 60.1 |
| 140 | — | VANGUARD TOTAL STOCK MKT ETF - COM | $1.1M | 0.1% | +0% | — |
| 141 |  $ETR | ENTERGY CORP /DE/ | $1.0M | 0.1% | +0% | 59.5 |
| 142 |  $BATRA | Atlanta Braves Holdings, Inc. | $1.0M | 0.1% | -0% | 20.5 |
| 143 | — | ISHARES S&P 500 VALUE INDEX ET - COM | $987,000 | 0.1% | +0% | — |
| 144 |  $SXI | STANDEX INTERNATIONAL CORP/DE/ | $960,000 | 0.1% | +0% | 60.5 |
| 145 |  $PODD | INSULET CORP | $956,000 | 0.1% | -2% | 71.3 |
| 146 |  $TT | Trane Technologies plc | $923,000 | 0.1% | +0% | — |
| 147 |  $RBLX | Roblox Corp | $921,000 | 0.1% | +0% | 60.3 |
| 148 | — | ISHARES RUSSELL MIDCAP INDEX E - COM | $920,000 | 0.1% | +0% | — |
| 149 |  $HCA | HCA Healthcare, Inc. | $895,000 | 0.1% | +0% | 68.9 |
| 150 |  $WMT | Walmart Inc. | $850,000 | 0.1% | +0% | 60.2 |
New Positions (12)
$CF CF Industries Holdings, Inc.$2.6M$RDDT Reddit, Inc.$2.0M$UBER Uber Technologies, Inc$1.7M$MELI MERCADOLIBRE INC$1.5M
$ENPH Enphase Energy, Inc.$443,000
$ROK ROCKWELL AUTOMATION, INC$299,000
$HXL HEXCEL CORP /DE/$240,000
$ON ON SEMICONDUCTOR CORP$207,000
$IEX IDEX CORP /DE/$204,000
$BNY Bank of New York Mellon Corp$203,000
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