S&co
BOSTON, MAfiles as S&CO INC
$1.7bn in 222 US stocks at the end of 30 June 2026. The top 10 are 38.4% of the money. It changed about 11.9% of the portfolio this quarter.
Value
$1.7bn
Stocks
222
Top 10 share
38.4%
Turnover
11.9%
What changed this quarter
New
Bought for the first time this quarter.
- ExxonMobil HoldingsXOM4.2% of the fund
- CF Industries HoldingsCF0.2% of the fund
- RedditRDDT0.1% of the fund
- Uber TechnologiesUBER<0.1% of the fund
- MercadoLibreMELI<0.1% of the fund
- Honeywell InternationalHON<0.1% of the fund
- Honeywell AerospaceHONA<0.1% of the fund
- Liberty LAT Amer 9 PFD<0.1% of the fund
- Enphase EnergyENPH<0.1% of the fund
- Rockwell AutomationROK<0.1% of the fund
- HexcelHXL<0.1% of the fund
- ON SemiconductorON<0.1% of the fund
- IdexIEX<0.1% of the fund
- Bank of New York MellonBNY<0.1% of the fund
Added
Bought more of a stock they already held.
- MicrosoftMSFT4.3% of the fund+4%
- Palo Alto NetworksPANW1.8% of the fund+6%
- Eli LillyLLY1.5% of the fund+4%
- MosaicMOS1.3% of the fund+8%
- Antero ResourcesAR1.0% of the fund+3%
- VisaV0.8% of the fund+12%
- Roche Hldgs AG BaselRHHBY0.7% of the fund+64%
- MastercardMA0.7% of the fund+4%
- GFL EnvironmentalGFL0.6% of the fund+44%
- TeslaTSLA0.2% of the fund+18%
- DanaherDHR0.2% of the fund+6%
- NextEra EnergyNEE0.2% of the fund+4%
- InsmedINSM<0.1% of the fund+57%
- OracleORCL<0.1% of the fund+22%
- VeraltoVLTO<0.1% of the fund+44%
- LANDIS GYR GROUP AG UnSponsoreLDGYY<0.1% of the fund+8%
Cut
Sold some of their stake.
- CaterpillarCAT5.8% of the fund-5%
- AppleAAPL3.7% of the fund-5%
- CamecoCCJ1.8% of the fund-4%
- PayPal HoldingsPYPL1.1% of the fund-2%
- Abbott LaboratoriesABT1.0% of the fund-7%
- Sirius XM HoldingsSIRI1.0% of the fund-2%
- Fuller H BFUL0.8% of the fund-7%
- GE VernovaGEV0.8% of the fund-4%
- General ElectricGE0.8% of the fund-5%
- Analog DevicesADI0.5% of the fund-4%
- JPMorgan ChaseJPM0.4% of the fund-3%
- AstrazenecaAZN0.4% of the fund-25%
- Liberty MediaFWONA0.3% of the fund-4%
- RTXRTX0.3% of the fund-8%
- Bio-TechneTECH0.3% of the fund-16%
- Interactive Brokers GroupIBKR0.3% of the fund-5%
- TJX CompaniesTJX0.2% of the fund-7%
- IntuitINTU0.2% of the fund-21%
- OktaOKTA0.2% of the fund-73%
- Liberty CapitalGLIBK0.2% of the fund-9%
- WorkdayWDAY0.1% of the fund-29%
- Liberty BroadbandLBRDA0.1% of the fund-4%
- Liberty Latin AmericaLILA<0.1% of the fund-74%
- monday.comMNDY<0.1% of the fund-6%
- Bloom EnergyBE<0.1% of the fund-50%
Sold out
Sold their entire stake.
- ExxonMobil HoldingsXOM-100%
- Cognizant Technology SolutionsCTSH-100%
- Honeywell InternationalHON-100%
- Ultragenyx PharmaceuticalRARE-100%
- Iqvia HoldingsIQV-100%
- Liberty CapitalGLIBA-100%
- Sealed Air Corp New-100%
- Charter CommunicationsCHTR-100%
- AptivAPTV-100%
- Clean Energy FuelsCLNE-100%
Holdings
- CamecoCCJ
- Share
- 1.8%
- Value
- $32m
- Shares
- 313,626
-4%
- Spdr Gold TRGLD
- Share
- 1.7%
- Value
- $30m
- Shares
- 80,565
Held
- Prosus N V FPROSY
- Share
- 1.3%
- Value
- $22m
- Shares
- 2,499,611
Held
- Spdr Series TrustXBI
- Share
- 0.9%
- Value
- $15m
- Shares
- 94,310
Held
- Roche Hldgs AG BaselRHHBY
- Share
- 0.7%
- Value
- $12m
- Shares
- 230,310
+64%
- GFL EnvironmentalGFL
- Share
- 0.6%
- Value
- $11m
- Shares
- 293,524
+44%
- Vanguard Intl Equity Index FVWO
- Share
- 0.5%
- Value
- $8m
- Shares
- 132,538
Held
- Vanguard Specialized FundsVIG
- Share
- 0.3%
- Value
- $5m
- Shares
- 21,632
Held
- Ishares TRIVW
- Share
- 0.3%
- Value
- $5m
- Shares
- 33,695
Held
- Liberty BroadbandLBRDK
- Share
- 0.2%
- Value
- $4m
- Shares
- 121,528
Held
- Vanguard Intl Equity Index FVGK
- Share
- 0.2%
- Value
- $4m
- Shares
- 40,000
Held
- Wisdomtree TRDXJ
- Share
- 0.2%
- Value
- $3m
- Shares
- 20,000
Held
- Vaneck ETF TrustGDX
- Share
- 0.2%
- Value
- $3m
- Shares
- 42,589
Held
| Company | Share of fund | Value | Shares | Change |
|---|---|---|---|---|
| CaterpillarCAT | 5.8% | $100m | 94,076 | -5% |
| Berkshire HathawayBRK-B | 4.7% | $82m | 164,075 | Held |
| MicrosoftMSFT | 4.3% | $74m | 198,340 | +4% |
| ExxonMobil HoldingsXOM | 4.2% | $72m | 526,003 | New |
| AppleAAPL | 3.7% | $64m | 220,707 | -5% |
| Church & DwightCHD | 3.6% | $63m | 649,655 | Held |
| EcolabECL | 3.6% | $63m | 225,862 | Held |
| MerckMRK | 3.2% | $55m | 425,528 | Held |
| Amazon.comAMZN | 2.7% | $47m | 196,975 | Held |
| Automatic Data ProcessingADP | 2.6% | $45m | 201,978 | Held |
| AlphabetGOOG | 2.4% | $42m | 118,113 | Held |
| Johnson & JohnsonJNJ | 2.3% | $40m | 157,098 | Held |
| AlphabetGOOGL | 2.0% | $34m | 94,857 | Held |
| CamecoCCJ | 1.8% | $32m | 313,626 | -4% |
| Palo Alto NetworksPANW | 1.8% | $31m | 91,852 | +6% |
| Spdr Gold TRGLD | 1.7% | $30m | 80,565 | Held |
| Air Products & ChemicalsAPD | 1.6% | $28m | 94,594 | Held |
| Eli LillyLLY | 1.5% | $27m | 22,300 | +4% |
| MosaicMOS | 1.3% | $22m | 1,040,723 | +8% |
| Prosus N V FPROSY | 1.3% | $22m | 2,499,611 | Held |
| Thermo Fisher ScientificTMO | 1.2% | $21m | 41,387 | Held |
| Royalty PharmaRPRX | 1.2% | $20m | 358,302 | Held |
| Union PacificUNP | 1.1% | $19m | 69,353 | Held |
| PayPal HoldingsPYPL | 1.1% | $19m | 436,017 | -2% |
| Liberty Live HoldingsLLYVK | 1.1% | $18m | 174,783 | Held |
| UnitedHealth GroupUNH | 1.1% | $18m | 43,984 | Held |
| Antero ResourcesAR | 1.0% | $18m | 504,602 | +3% |
| Abbott LaboratoriesABT | 1.0% | $17m | 186,521 | -7% |
| Sirius XM HoldingsSIRI | 1.0% | $17m | 569,206 | -2% |
| EverpureP | 0.9% | $15m | 190,420 | Held |
| Spdr Series TrustXBI | 0.9% | $15m | 94,310 | Held |
| NvidiaNVDA | 0.8% | $14m | 72,156 | Held |
| VisaV | 0.8% | $14m | 41,890 | +12% |
| Fuller H BFUL | 0.8% | $14m | 241,781 | -7% |
| GE VernovaGEV | 0.8% | $14m | 11,732 | -4% |
| LindeLIN | 0.8% | $14m | 26,139 | Held |
| General ElectricGE | 0.8% | $13m | 35,671 | -5% |
| Alkermes plc.ALKS | 0.7% | $13m | 244,760 | Held |
| Cisco SystemsCSCO | 0.7% | $13m | 107,126 | Held |
| Roche Hldgs AG BaselRHHBY | 0.7% | $12m | 230,310 | +64% |
| Liberty MediaFWONK | 0.7% | $12m | 122,528 | Held |
| MastercardMA | 0.7% | $11m | 22,358 | +4% |
| GFL EnvironmentalGFL | 0.6% | $11m | 293,524 | +44% |
| PepsiCoPEP | 0.6% | $10m | 75,677 | Held |
| AflacAFL | 0.6% | $10m | 83,570 | Held |
| Analog DevicesADI | 0.5% | $9m | 23,789 | -4% |
| AirbnbABNB | 0.5% | $9m | 62,355 | Held |
| MedtronicMDT | 0.5% | $8m | 108,128 | Held |
| Vanguard Intl Equity Index FVWO | 0.5% | $8m | 132,538 | Held |
| JPMorgan ChaseJPM | 0.4% | $8m | 23,285 | -3% |
| Apollo Global ManagementAPO | 0.4% | $7m | 62,880 | Held |
| Edwards LifesciencesEW | 0.4% | $7m | 81,497 | Held |
| Home DepotHD | 0.4% | $7m | 20,887 | Held |
| Boston ScientificBSX | 0.4% | $7m | 169,791 | Held |
| Morgan StanleyMS | 0.4% | $7m | 33,987 | Held |
| AstrazenecaAZN | 0.4% | $7m | 37,990 | -25% |
| RollinsROL | 0.4% | $7m | 156,393 | Held |
| ChubbCB | 0.4% | $6m | 18,916 | Held |
| Revolution MedicinesRVMD | 0.4% | $6m | 34,171 | Held |
| Diamondback EnergyFANG | 0.3% | $6m | 32,200 | Held |
| Liberty MediaFWONA | 0.3% | $6m | 64,254 | -4% |
| Estee Lauder CompaniesEL | 0.3% | $6m | 70,764 | Held |
| CitigroupC | 0.3% | $6m | 39,794 | Held |
| RTXRTX | 0.3% | $5m | 28,883 | -8% |
| Bio-TechneTECH | 0.3% | $5m | 76,614 | -16% |
| Bank of AmericaBAC | 0.3% | $5m | 92,484 | Held |
| Interactive Brokers GroupIBKR | 0.3% | $5m | 60,130 | -5% |
| Vanguard Specialized FundsVIG | 0.3% | $5m | 21,632 | Held |
| 3MMMM | 0.3% | $5m | 31,055 | Held |
| MiddlebyMIDD | 0.3% | $5m | 29,100 | Held |
| Liberty Live HoldingsLLYVA | 0.3% | $5m | 49,334 | Held |
| ChevronCVX | 0.3% | $5m | 30,024 | Held |
| StrykerSYK | 0.3% | $5m | 15,307 | Held |
| WEC Energy GroupWEC | 0.3% | $5m | 40,672 | Held |
| International Business MachinesIBM | 0.3% | $5m | 16,788 | Held |
| Liberty GlobalLBTYK | 0.3% | $5m | 422,835 | Held |
| Ishares TRIVW | 0.3% | $5m | 33,695 | Held |
| TE ConnectivityTEL | 0.3% | $5m | 22,398 | Held |
| RubrikRBRK | 0.2% | $4m | 53,612 | Held |
| WatersWAT | 0.2% | $4m | 11,417 | Held |
| Expedia GroupEXPE | 0.2% | $4m | 16,285 | Held |
| Liberty BroadbandLBRDK | 0.2% | $4m | 121,528 | Held |
| EatonETN | 0.2% | $4m | 8,976 | Held |
| Vanguard Intl Equity Index FVGK | 0.2% | $4m | 40,000 | Held |
| Wisdomtree TRDXJ | 0.2% | $3m | 20,000 | Held |
| First SolarFSLR | 0.2% | $3m | 14,596 | Held |
| Meta PlatformsMETA | 0.2% | $3m | 5,710 | Held |
| Vaneck ETF TrustGDX | 0.2% | $3m | 42,589 | Held |
| Travere TherapeuticsTVTX | 0.2% | $3m | 56,000 | Held |
| IlluminaILMN | 0.2% | $3m | 18,000 | Held |
| Marvell TechnologyMRVL | 0.2% | $3m | 10,573 | Held |
| TJX CompaniesTJX | 0.2% | $3m | 20,636 | -7% |
| TeslaTSLA | 0.2% | $3m | 7,181 | +18% |
| IntuitINTU | 0.2% | $3m | 11,518 | -21% |
| Procter & GamblePG | 0.2% | $3m | 20,418 | Held |
| HumanaHUM | 0.2% | $3m | 7,351 | Held |
| Wells Fargo & CompanyWFC | 0.2% | $3m | 34,949 | Held |
| People Inc.PPLI | 0.2% | $3m | 59,425 | Held |
| Elanco Animal HealthELAN | 0.2% | $3m | 111,284 | Held |
| OktaOKTA | 0.2% | $3m | 19,699 | -73% |
Showing the largest 100 of 222.
Over time and by industry
Value over time
Jun '25
Dec '25
Jun '26
Value is up 11.0% since 30 June 2025.
Where the money is
Health care17.2%
Technology15.1%
Industrials13.6%
Financial services11.0%
Materials10.1%
Media & telecom7.7%
Energy6.0%
Retail & consumer5.9%
Everyday goods5.1%
Utilities1.3%
Other7.0%
From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.