Investor
S&CO INC
CIK 0001082461 · filed 2026-05-07 · SEC filing
13F book
$1.61M
Positions
218
4 new · 4 sold
Largest name
5.5%
Exxon Mobil Corp
Est. mark
−$17.7K
Price effect on 214 names still held. Flow $19.7K.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Exxon Mobil Corp | — | 526K | $89.2K | 5.5% | $25.9K | Cut$25.8K |
| Berkshire Hathaway Inc Del | — | 164.1K | $78.6K | 4.9% | −$3.85K | Cut−$3.93K |
| Microsoft Corp | MSFT | 190.2K | $70.4K | 4.4% | −$19.5K | Added−$12.9K |
| Caterpillar Inc | CAT | 98.8K | $70K | 4.3% | $13.4K | Cut$9.64K |
| Church & Dwight Co Inc | — | 650.2K | $60.7K | 3.8% | $6.1K | Added$6.64K |
| Ecolab Inc. | ECL | 226.1K | $60.1K | 3.7% | $791 | Cut$526 |
| Apple Inc. | AAPL | 232.4K | $59K | 3.7% | −$4.2K | Cut−$4.36K |
| Merck & Co., Inc. | MRK | 425.5K | $51.2K | 3.2% | $6.4K | Cut$6.39K |
| Amazon Com Inc | AMZN | 197.2K | $41.1K | 2.5% | −$4.3K | Added−$2.93K |
| Automatic Data Processing In | — | 202K | $41K | 2.5% | −$10.9K | Cut−$11.1K |
| Johnson & Johnson | JNJ | 157.1K | $38.4K | 2.4% | $5.89K | Cut$5.64K |
| Cameco Corp | CCJ | 327.6K | $35.6K | 2.2% | $5.61K | Cut$2.98K |
| Spdr Gold Tr | — | 80.6K | $34.7K | 2.2% | $2.74K | Held |
| Alphabet Inc | — | 118.1K | $33.9K | 2.1% | −$3.18K | Cut−$3.2K |
| Air Prods & Chems Inc | — | 94.4K | $27.4K | 1.7% | $4.09K | Added$4.19K |
| Alphabet Inc | — | 95.1K | $27.3K | 1.7% | −$2.42K | Cut−$2.49K |
| Mosaic Co New | MOS | 963.7K | $24.6K | 1.5% | $1.36K | Cut$1.11K |
| Prosus Nv -Spon Adr | — | 2.5M | $22.4K | 1.4% | −$8.57K | Cut−$8.74K |
| Antero Resources Corp | AR | 487.6K | $20.7K | 1.3% | $3.82K | Added$4.17K |
| Thermo Fisher Scientific Inc. | TMO | 41.8K | $20.6K | 1.3% | −$3.68K | Cut−$3.77K |
| Abbott Labs | ABT | 199.7K | $20.5K | 1.3% | −$4.52K | Cut−$7.9K |
| Paypal Hldgs Inc | — | 445.3K | $20.1K | 1.2% | −$4.55K | Added−$40 |
| Eli Lilly & Co | LLY | 21.5K | $19.8K | 1.2% | −$3.13K | Added−$1.93K |
| Royalty Pharma PLC | RPRX | 358.4K | $17.2K | 1.1% | $3.34K | Held |
| Union Pac Corp | — | 69.4K | $16.8K | 1.0% | $784 | Held |
| Liberty Live Holdings Inc | — | 176.6K | $16.6K | 1.0% | $1.93K | Held |
| Fuller H B Co | FUL | 261.2K | $16.1K | 1.0% | $580 | Cut$474 |
| Palo Alto Networks Inc | PANW | 86.9K | $13.9K | 0.9% | −$1.99K | Added−$1.42K |
| Siriusxm Holdings Inc | — | 581.4K | $13.4K | 0.8% | $1.79K | Cut−$606 |
| Linde Plc | LIN | 26.1K | $12.9K | 0.8% | $1.81K | Held |
| Nvidia Corp | NVDA | 72.2K | $12.6K | 0.8% | −$873 | Cut−$2.33K |
| Spdr Series Trust | — | 94.3K | $12K | 0.7% | $547 | Cut−$422 |
| Pepsico Inc | PEP | 77K | $12K | 0.7% | $906 | Cut$145 |
| Unitedhealth Group Inc | UNH | 44.1K | $11.9K | 0.7% | −$2.42K | Added−$1.51K |
| Visa Inc. | V | 37.6K | $11.3K | 0.7% | −$1.53K | Added$304 |
| Pure Storage Inc | P | 190.4K | $11.2K | 0.7% | −$1.52K | Held |
| Mastercard Inc | MA | 21.5K | $10.7K | 0.7% | −$1.17K | Added$1.37K |
| GE Vernova Inc. | GEV | 12.2K | $10.7K | 0.7% | $2.68K | Cut$2.14K |
| Boston Scientific Corp | BSX | 169.8K | $10.7K | 0.7% | −$5.54K | Cut−$5.64K |
| Ge Aerospace | — | 37.5K | $10.6K | 0.7% | −$909 | Cut−$913 |
| Liberty Media Corp Del | — | 122.5K | $10.4K | 0.6% | −$1.65K | Cut−$1.65K |
| Astrazeneca Plc Ord | AZN | 50.8K | $9.83K | 0.6% | — | New |
| Medtronic Plc | MDT | 108.1K | $9.37K | 0.6% | −$1.02K | Held |
| Aflac Inc | AFL | 83.6K | $9.17K | 0.6% | −$47 | Held |
| Alkermes plc. | ALKS | 244.8K | $8.65K | 0.5% | $1.49K | Added$3.01K |
| GFL Environmental Inc. | GFL | 203.2K | $8.48K | 0.5% | −$215 | Added$935 |
| Rollins Inc | ROL | 156.4K | $8.35K | 0.5% | −$1.03K | Held |
| Cisco Sys Inc | — | 107.5K | $8.34K | 0.5% | $60 | Cut−$16 |
| Analog Devices Inc | ADI | 24.8K | $7.89K | 0.5% | $1.16K | Held |
| Airbnb, Inc. | ABNB | 62.4K | $7.87K | 0.5% | −$588 | Held |
| Vanguard Intl Equity Index F | — | 131.6K | $7.12K | 0.4% | $34 | Added$829 |
| Jpmorgan Chase & Co. | — | 23.9K | $7.04K | 0.4% | −$672 | Held |
| Apollo Global Mgmt Inc | — | 62.9K | $7.01K | 0.4% | −$2.1K | Held |
| Roche Hldgs Ag Basel | — | 140.6K | $6.88K | 0.4% | −$151 | Added$4.11K |
| Home Depot, Inc. | HD | 20.9K | $6.87K | 0.4% | −$318 | Held |
| Edwards Lifesciences Corp | EW | 81.5K | $6.53K | 0.4% | −$421 | Held |
| Diamondback Energy, Inc. | FANG | 32.2K | $6.37K | 0.4% | $1.49K | Added$1.66K |
| Intuit Inc. | INTU | 14.5K | $6.29K | 0.4% | −$1.6K | Added$1.69K |
| Chevron Corp New | CVX | 30K | $6.21K | 0.4% | $1.64K | Cut$1.54K |
| Chubb Limited | — | 18.9K | $6.17K | 0.4% | $261 | Held |
| Liberty Broadband Corp | — | 121K | $6.09K | 0.4% | $205 | Added$227 |
| RTX Corp | RTX | 31.4K | $6.06K | 0.4% | $299 | Cut$264 |
| Okta, Inc. | OKTA | 72.8K | $5.73K | 0.4% | −$473 | Added$461 |
| Morgan Stanley | — | 34.3K | $5.64K | 0.4% | −$444 | Cut−$593 |
| Liberty Latin America Ltd | — | 613.4K | $5.3K | 0.3% | $767 | Cut−$306 |
| Liberty Media Corp Del | — | 66.6K | $5.2K | 0.3% | −$752 | Cut−$810 |
| Lauder Estee Cos Inc | — | 70.8K | $5.08K | 0.3% | −$2.3K | Added−$2.22K |
| Liberty Global Ltd | — | 430.5K | $5.05K | 0.3% | $297 | Held |
| Stryker Corp | SYK | 15.3K | $5.03K | 0.3% | −$350 | Held |
| Gci Liberty Inc | — | 134.1K | $4.99K | 0.3% | $1 | Added$3.3K |
| Bio-Techne Corp | TECH | 90.7K | $4.74K | 0.3% | −$594 | Held |
| Wec Energy Group, Inc. | WEC | 40.7K | $4.71K | 0.3% | $419 | Cut$78 |
| Te Connectivity Plc | TEL | 22.4K | $4.68K | 0.3% | −$414 | Cut−$437 |
| Vanguard Specialized Funds | — | 21.6K | $4.65K | 0.3% | −$102 | Cut−$114 |
| Liberty Live Holdings Inc | — | 49.4K | $4.53K | 0.3% | $481 | Added$650 |
| 3M CO | MMM | 31.1K | $4.51K | 0.3% | −$461 | Held |
| Bank America Corp | — | 92.5K | $4.51K | 0.3% | −$578 | Held |
| Citigroup Inc | — | 39.6K | $4.5K | 0.3% | −$130 | Held |
| Interactive Brokers Group In | — | 63.1K | $4.23K | 0.3% | $174 | Held |
| International Business Machs | — | 16.8K | $4.07K | 0.3% | −$903 | Held |
| Vaneck Etf Trust | — | 42.6K | $3.91K | 0.2% | $256 | Held |
| Middleby Corp | MIDD | 29.1K | $3.86K | 0.2% | −$468 | Cut−$2.36K |
| Ishares Tr | — | 33.7K | $3.81K | 0.2% | −$342 | Held |
| Expedia Group, Inc. | EXPE | 16.3K | $3.76K | 0.2% | −$853 | Cut−$857 |
| Digitalbridge Group Inc | — | 235.6K | $3.63K | 0.2% | $19 | Cut−$84 |
| Tjx Cos Inc New | — | 22.1K | $3.53K | 0.2% | $135 | Cut$96 |
| Waters Corp | — | 11.4K | $3.4K | 0.2% | −$899 | Added−$761 |
| Workday, Inc. | WDAY | 26.1K | $3.39K | 0.2% | −$2.21K | Added−$2.21K |
| Liberty Broadband Corp | — | 66.8K | $3.36K | 0.2% | $130 | Cut$113 |
| Revolution Medicines Inc | — | 34.2K | $3.32K | 0.2% | $602 | Held |
| Vanguard Intl Equity Index F | — | 40K | $3.3K | 0.2% | −$47 | Held |
| Meta Platforms, Inc. | META | 5.72K | $3.27K | 0.2% | −$504 | Held |
| Eaton Corp Plc | ETN | 8.98K | $3.21K | 0.2% | $352 | Held |
| Wisdomtree Tr | — | 20K | $3.17K | 0.2% | $288 | Held |
| Procter And Gamble Co | PG | 20.4K | $2.95K | 0.2% | $24 | Cut−$150 |
| First Solar, Inc. | FSLR | 14.6K | $2.88K | 0.2% | −$921 | Added−$884 |
| Wells Fargo Co New | — | 35.6K | $2.84K | 0.2% | −$484 | Held |
| Liberty Global Ltd | — | 220.9K | $2.67K | 0.2% | $210 | Cut$194 |
| Nextera Energy Inc | — | 28.7K | $2.67K | 0.2% | $362 | Held |
| Elanco Animal Health Inc | ELAN | 111.3K | $2.66K | 0.2% | $145 | Held |
| Rubrik, Inc. | RBRK | 53.6K | $2.63K | 0.2% | −$1.47K | Held |
| Mcdonalds Corp | MCD | 8.45K | $2.62K | 0.2% | $43 | Held |
| Costco Whsl Corp New | — | 2.58K | $2.56K | 0.2% | $345 | Held |
| Danaher Corporation | — | 13.2K | $2.5K | 0.2% | −$519 | Held |
| Alnylam Pharmaceuticals, Inc. | ALNY | 7.4K | $2.45K | 0.2% | −$494 | Cut−$812 |
| Range Res Corp | — | 53.5K | $2.42K | 0.1% | $526 | Added$549 |
| Constellation Energy Corp | CEG | 8.62K | $2.41K | 0.1% | −$630 | Added−$602 |
| Iac Inc | PPLI | 59.4K | $2.38K | 0.1% | $55 | Cut−$336 |
| Intuitive Surgical Inc | ISRG | 5.12K | $2.36K | 0.1% | −$540 | Held |
| Vanguard Intl Equity Index F | — | 31.3K | $2.35K | 0.1% | $48 | Held |
| Tesla, Inc. | TSLA | 6.11K | $2.27K | 0.1% | −$399 | Added−$29 |
| Ferguson Enterprises Inc | — | 9.64K | $2.25K | 0.1% | $103 | Held |
| Illumina, Inc. | ILMN | 18K | $2.22K | 0.1% | −$142 | Held |
| Agilent Technologies, Inc. | A | 17.7K | $2.01K | 0.1% | −$390 | Held |
| American Express Co | AXP | 6.39K | $1.93K | 0.1% | −$431 | Held |
| Vertex Pharmaceuticals Inc | — | 4.1K | $1.83K | 0.1% | −$28 | Held |
| Penumbra Inc | PEN | 5.5K | $1.81K | 0.1% | $96 | Held |
| Cognizant Technology Solutio | — | 28.9K | $1.77K | 0.1% | −$626 | Cut−$1.46K |
| Lincoln Elec Hldgs Inc | — | 7K | $1.74K | 0.1% | $66 | Held |
| Travere Therapeutics, Inc. | TVTX | 56K | $1.66K | 0.1% | −$476 | Held |
| Curtiss Wright Corp | CW | 2.37K | $1.61K | 0.1% | $308 | Held |
| Eog Res Inc | — | 10.8K | $1.57K | 0.1% | $333 | Added$682 |
| Lowes Cos Inc | — | 6.5K | $1.54K | 0.1% | −$32 | Added−$8 |
| Ishares Gold Tr | — | 17.2K | $1.51K | 0.1% | $120 | Held |
| Ishares Inc | — | 15K | $1.46K | 0.1% | $79 | Held |
| Pfizer Inc | PFE | 50.2K | $1.41K | 0.1% | $160 | Cut$79 |
| Insmed Inc | INSM | 8.3K | $1.36K | 0.1% | −$87 | Held |
| Insulet Corp | PODD | 6.38K | $1.34K | 0.1% | −$475 | Held |
| Honeywell Intl Inc | — | 5.64K | $1.27K | 0.1% | $175 | Held |
| Humana Inc | HUM | 7.35K | $1.27K | 0.1% | −$608 | Cut−$784 |
| AbbVie Inc. | ABBV | 5.86K | $1.27K | 0.1% | −$64 | Cut−$118 |
| Kimberly Clark Corp | KMB | 11.9K | $1.15K | 0.1% | −$53 | Held |
| Sony Group Corp | — | 55K | $1.14K | 0.1% | −$270 | Held |
| HCA Healthcare, Inc. | HCA | 2.3K | $1.09K | 0.1% | $15 | Held |
| Agco Corp | — | 9.32K | $1.08K | 0.1% | $108 | Held |
| Ishares Tr | — | 5.05K | $1.08K | 0.1% | $17 | Held |
| Marvell Technology, Inc. | MRVL | 10.6K | $1.05K | 0.1% | $149 | Held |
| Entergy Corp New | — | 8.97K | $1.01K | 0.1% | $179 | Held |
| Roblox Corp | RBLX | 16.9K | $958 | 0.1% | −$414 | Held |
| Adobe Inc. | ADBE | 3.89K | $944 | 0.1% | −$416 | Held |
| Walmart Inc. | WMT | 7.51K | $933 | 0.1% | $97 | Held |
| Vanguard Index Fds | — | 2.88K | $924 | 0.1% | −$42 | Held |
| Neurocrine Biosciences Inc | NBIX | 7K | $922 | 0.1% | −$70 | Held |
| Ishares Tr | — | 4.35K | $918 | 0.1% | −$4 | Held |
| Privia Health Group, Inc. | PRVA | 42K | $863 | 0.1% | −$132 | Held |
| United Therapeutics Corp Del | — | 1.43K | $848 | 0.1% | $151 | Held |
| Alcon Inc | ALC | 11.2K | $843 | 0.1% | −$39 | Held |
| At&T Inc | — | 29K | $841 | 0.1% | $120 | Held |
| Atlanta Braves Hldgs Inc | — | 19.6K | $835 | 0.1% | $64 | Cut$45 |
| Ishares Tr | — | 8.34K | $811 | 0.1% | $8 | Held |
| monday.com Ltd. | MNDY | 11.6K | $802 | 0.1% | −$539 | Added−$212 |
| Trane Technologies Plc | TT | 1.88K | $783 | 0.0% | $52 | Held |
| Coca Cola Co | KO | 10.2K | $778 | 0.0% | $63 | Held |
| Central Secs Corp | — | 15.5K | $768 | 0.0% | −$16 | Cut−$16 |
| Mettler Toledo International Inc/ | MTD | 600 | $756 | 0.0% | −$80 | Held |
| Standex Intl Corp | — | 2.69K | $684 | 0.0% | $101 | Held |
| Ishares Tr | — | 1.54K | $657 | 0.0% | −$72 | Cut−$77 |
| Liberty Latin America Ltd | — | 68.9K | $607 | 0.0% | $93 | Cut−$1.5K |
| Kemper Corp | — | 19.9K | $607 | 0.0% | −$198 | Held |
| Vestas Wind Sys As Unsp Adr | — | 61K | $595 | 0.0% | $42 | Held |
| Pnc Finl Svcs Group Inc | — | 2.8K | $582 | 0.0% | −$2 | Held |
| Franklin Resources Inc | BEN | 23.2K | $549 | 0.0% | −$6 | Cut−$561 |
| Bloom Energy Corp | BE | 4K | $541 | 0.0% | $194 | Cut$107 |
| Salesforce, Inc. | CRM | 2.84K | $529 | 0.0% | −$223 | Held |
| Ultragenyx Pharmaceutical In | — | 25.3K | $529 | 0.0% | −$51 | Held |
| Zoetis Inc. | ZTS | 4.41K | $521 | 0.0% | −$33 | Cut−$85 |
| Intel Corp | INTC | 11.7K | $517 | 0.0% | $85 | Held |
| Iqvia Hldgs Inc | — | 3K | $511 | 0.0% | −$165 | Held |
| General Mls Inc | GIS | 13.6K | $507 | 0.0% | −$127 | Cut−$220 |
| Deere & Co | DE | 860 | $484 | 0.0% | $84 | Held |
| Booz Allen Hamilton Hldg Cor | — | 5.86K | $457 | 0.0% | −$37 | Held |
| Ishares Tr | — | 1.33K | $417 | 0.0% | −$12 | Held |
| Vanguard Tax-Managed Fds | — | 6.15K | $394 | 0.0% | $10 | Held |
| Texas Instrs Inc | — | 2K | $388 | 0.0% | $41 | Cut$29 |
| Broadcom Inc. | AVGO | 1.25K | $385 | 0.0% | −$45 | Held |
| Gci Liberty Inc | — | 10.3K | $377 | 0.0% | −$0 | Added$0 |
| Zurn Elkay Water Solns Corp | — | 8K | $358 | 0.0% | −$13 | Held |
| Eastern Bankshares, Inc. | EBC | 18.3K | $358 | 0.0% | $21 | Held |
| Boeing Co | — | 1.79K | $356 | 0.0% | −$32 | Held |
| Marsh & Mclennan Cos Inc | — | 2K | $346 | 0.0% | −$25 | Held |
| Corning Inc | — | 2.55K | $346 | 0.0% | $123 | Held |
| Clean Harbors Inc | CLH | 1.2K | $344 | 0.0% | $63 | Held |
| Ge Healthcare Technologies I | — | 4.82K | $343 | 0.0% | −$51 | Cut−$84 |
| Republic Svcs Inc | — | 1.55K | $339 | 0.0% | $11 | Cut−$31 |
| Northrop Grumman Corp | — | 492 | $335 | 0.0% | $55 | Held |
| Brookfield Renewable Partner | — | 10K | $326 | 0.0% | $57 | Held |
| Generac Hldgs Inc | — | 1.6K | $312 | 0.0% | $89 | Added$108 |
| Regal Rexnord Corp | RRX | 1.6K | $299 | 0.0% | $75 | Held |
| Emerson Elec Co | — | 2.28K | $298 | 0.0% | −$4 | Held |
| Transocean Ltd. | RIG | 45K | $298 | 0.0% | — | New |
| Itron, Inc. | ITRI | 3.3K | $295 | 0.0% | −$11 | Held |
| Oracle Corp | — | 2K | $294 | 0.0% | −$80 | Added−$32 |
| Amgen Inc | AMGN | 834 | $293 | 0.0% | $21 | Held |
| Mp Materials Corp | — | 6K | $289 | 0.0% | −$14 | Held |
| Idexx Labs Inc | — | 500 | $280 | 0.0% | −$58 | Held |
| Acuity Inc | — | 1K | $280 | 0.0% | −$80 | Held |
| Cintas Corp | CTAS | 1.6K | $270 | 0.0% | −$30 | Held |
| Applovin Corp | APP | 675 | $268 | 0.0% | −$186 | Held |
| Novozymes A/S-Unspons Adr | — | 4.5K | $265 | 0.0% | −$23 | Held |
| CAE Inc | CAE | 10K | $260 | 0.0% | −$44 | Held |
| Waste Mgmt Inc Del | — | 1.1K | $252 | 0.0% | $11 | Held |
| Sealed Air Corp New | — | 6K | $252 | 0.0% | $4 | Held |
| Vanguard Index Fds | — | 423 | $252 | 0.0% | −$13 | Held |
| Charter Communications Inc N | — | 1.13K | $243 | 0.0% | $8 | Cut−$621 |
| Aes Corp | AES | 17K | $239 | 0.0% | −$4 | Held |
| Principal Financial Group In | — | 2.5K | $225 | 0.0% | $5 | Held |
| Ormat Technologies, Inc. | ORA | 2K | $223 | 0.0% | $3 | Held |
| Csx Corp | CSX | 5.4K | $221 | 0.0% | — | New |
| Cigna Group | CI | 824 | $219 | 0.0% | −$7 | Held |
| Veralto Corp | VLTO | 2.43K | $215 | 0.0% | −$25 | Added−$7 |
| Citizens Finl Group Inc | — | 3.5K | $209 | 0.0% | $5 | Held |
| Aptiv Plc | APTV | 3K | $208 | 0.0% | −$20 | Held |
| Colgate Palmolive Co | CL | 2.4K | $204 | 0.0% | — | New |
| DoorDash, Inc. | DASH | 1.34K | $201 | 0.0% | −$102 | Held |
| LANDIS GYR GROUP AG UnSponsore | — | 12K | $188 | 0.0% | −$6 | Held |
| Enovix Corp | ENVX | 35K | $181 | 0.0% | −$74 | Held |
| Clean Energy Fuels Corp. | CLNE | 60K | $148 | 0.0% | $22 | Held |
| Energy Recovery, Inc. | ERII | 13K | $130 | 0.0% | −$41 | Added−$31 |
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.