SI

S&co INC

Diversified strategyMomentum followerQuality / disciplined sizing

Total reported value

$1.6B

Reporting period: 2026-03-31 · Number of holdings: 218

S&CO INC disclosed 218 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $1.6B and a quarterly turnover rate of 14.8%.

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Personality snowflake

Concentration
8.56
Portfolio Stability
14.84
Momentum/Contrarian
100
Sector conviction
38.28
Diversification
100
Sizing Uniformity
80.81

Recent moves

  • Add XOM

    -0.2%　$25.8M

  • Trim MSFT

    +10.4%　-$12.9M

  • Trim ADP

    -0.4%　-$11.1M

  • Add CAT

    -6.2%　$9.6M

  • Trim PROSY

    -0.5%　-$8.7M

  • Trim ABT

    -11.9%　-$7.9M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1XOMExxon Mobil CORPStock-Energy5.54%+1.60%-0.17%
2BRK-BBerkshire Hathaway Inc-cl BStock-Other4.88%-0.25%-0.09%
3MSFTMicrosoft CORPStock-Tech4.37%-0.81%+10.39%
4CATCaterpillar INCStock-Industrials4.34%+0.59%-6.23%
5CHDChurch & Dwight Co INCStock-Consumer Staples3.76%+0.40%+0.89%
6ECLEcolab INCStock-Materials3.73%—-0.44%
7AAPLApple INCStock-Tech3.66%-0.27%-0.25%
8MRKMerck & Co., Inc.Stock-Healthcare3.18%+0.40%-0.00%
9AMZNAmazon.com INCStock-Consumer Disc2.55%-0.18%+3.45%
10ADPAutomatic Data ProcessingStock-Tech2.55%-0.69%-0.38%
11JNJJohnson & JohnsonStock-Healthcare2.38%+0.35%-0.76%
12CCJCameco CORPStock-Energy2.21%+0.19%-8.07%
13GLDSPDR Gold SharesETF-Commodities2.15%+0.17%—
14GOOGAlphabet Inc-cl CStock-Comm Services2.10%-0.20%-0.06%
15APDAir Products & Chemicals INCStock-Materials1.70%+0.26%+0.38%
16GOOGLAlphabet Inc-cl AStock-Comm Services1.70%-0.15%-0.23%
17MOSMosaic Co/theStock-Materials1.52%+0.06%-1.05%
18PROSYProsus NV -spon AdrStock-Other1.39%-0.55%-0.55%
19ARAntero Resources CORPStock-Energy1.28%+0.25%+1.71%
20TMOThermo Fisher Scientific INCStock-Healthcare1.28%-0.23%-0.36%
21ABTAbbott LaboratoriesStock-Healthcare1.27%-0.49%-11.91%
22PYPLPaypal Holdings INCStock-Financials1.25%—+28.82%
23LLYEli Lilly & CoStock-Healthcare1.23%-0.12%+6.48%
24RPRXRoyalty Pharma plcStock-Healthcare1.07%+0.21%—
25UNPUnion Pacific CORPStock-Industrials1.04%——
26LLYVKLiberty Live Holdings-cStock-Other1.03%+0.12%—
27FULH.b. Fuller Co.Stock-Materials1.00%—-0.68%
28PANWPalo Alto Networks INCStock-Tech0.86%-0.09%+4.29%
29SIRISirius Xm Holdings INCStock-Comm Services0.83%—-17.11%
30LINLinde plcStock-Materials0.80%+0.11%—
31NVDANVIDIA CorporationStock-Tech0.78%-0.15%-9.74%
32✓ Spdr Series Trust S&p BiotechStock-Other0.75%—-7.77%
33PEPPepsico INCStock-Consumer Staples0.74%—-6.44%
34UNHUnitedHealth Group IncorporatedStock-Healthcare0.74%-0.09%+8.32%
35VVisa Inc-class A SharesStock-Financials0.70%—+19.22%
36✓ Pure StorageStock-Other0.70%-0.09%—
37MAMastercard INC - AStock-Financials0.67%+0.09%+30.99%
38✓ GE VernovaStock-Other0.66%+0.13%-6.39%
39BSXBoston Scientific CORPStock-Healthcare0.66%-0.35%-0.64%
40GEGeneral ElectricStock-Industrials0.66%—-0.04%
41FWONKLiberty Media Corp-formula-cStock-Comm Services0.65%-0.10%-0.01%
42✓ Astrazeneca PLCStock-Other0.61%+0.61%NEW
43MDTMedtronic plcStock-Healthcare0.58%-0.07%—
44AFLAflac INCStock-Financials0.57%——
45✓ Alkermes PLCStock-Other0.54%+0.19%+21.31%
46GFLGFL Environmental Inc.Stock-Other0.53%—+15.70%
47ROLRollins INCStock-Consumer Disc0.52%-0.06%—
48CSCOCisco Systems, Inc.Stock-Tech0.52%—-0.91%
49ADIAnalog Devices INCStock-Tech0.49%+0.07%—
50ABNBAirbnb Inc-class AStock-Consumer Disc0.49%——
1–50 of 218

Holding changes this quarter

S&co INC's most significant position changes for 2026-03-31: New buy: Astrazeneca PLC; Sold out: Canadien Pacifique Kansas City; Trim: Exxon Mobil CORP (XOM) — shares -0.17%; Add: Microsoft CORP (MSFT) — shares +10.39%; Trim: Automatic Data Processing (ADP) — shares -0.38%.

Position changes disclosed by S&co INC for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1XOMExxon Mobil CORP+1.6%-0.17%Trim
2CATCaterpillar INC+0.6%-6.23%Trim
3CHDChurch & Dwight Co INC+0.4%+0.89%Add
4MRKMerck & Co., Inc.+0.4%-0.00%Trim
5JNJJohnson & Johnson+0.4%-0.76%Trim
6APDAir Products & Chemicals INC+0.3%+0.38%Add
7RHHBYRoche Holdings Ltd-spons Adr+0.3%+162.99%Add
8ARAntero Resources CORP+0.3%+1.71%Add
9RPRXRoyalty Pharma plc+0.2%—Unchanged
10✓ Gci Liberty Series C+0.2%+196.08%Add
11✓ Alkermes PLC+0.2%+21.31%Add
12CCJCameco CORP+0.2%-8.07%Trim
13GLDSPDR Gold Shares+0.2%—Unchanged
14✓ GE Vernova+0.1%-6.39%Trim
15LLYVKLiberty Live Holdings-c+0.1%—Unchanged
16LINLinde plc+0.1%—Unchanged
17FANGDiamondback Energy, Inc.+0.1%+2.88%Add
18INTUIntuit INC+0.1%+109.57%Add
19CVXChevron CORP+0.1%-2.13%Trim
20MAMastercard INC - A+0.1%+30.99%Add
21ADIAnalog Devices INC+0.1%—Unchanged
22MOSMosaic Co/the+0.1%-1.05%Trim
23ROLRollins INC-0.1%—Unchanged
24MDTMedtronic plc-0.1%—Unchanged
25✓ Pure Storage-0.1%—Unchanged
26UNHUnitedHealth Group Incorporated-0.1%+8.32%Add
27LILALiberty Latin America Ltd.-0.1%-75.64%Trim
28RBRKRubrik Inc-a-0.1%—Unchanged
29CTSHCognizant Tech Solutions-a-0.1%-25.68%Trim
30PANWPalo Alto Networks INC-0.1%+4.29%Add
31FWONKLiberty Media Corp-formula-c-0.1%-0.01%Trim
32LLYEli Lilly & Co-0.1%+6.48%Add
33ELEstee Lauder Companies-cl A-0.1%+1.57%Add
34WDAYWorkday, Inc.-0.1%+0.15%Add
35APOApollo Global Management INC-0.1%—Unchanged
36GOOGLAlphabet Inc-cl A-0.2%-0.23%Trim
37MIDDMiddleby CORP-0.2%-30.38%Trim
38NVDANVIDIA Corporation-0.2%-9.74%Trim
39AMZNAmazon.com INC-0.2%+3.45%Add
40GOOGAlphabet Inc-cl C-0.2%-0.06%Trim
41TMOThermo Fisher Scientific INC-0.2%-0.36%Trim
42BRK-BBerkshire Hathaway Inc-cl B-0.3%-0.09%Trim
43AAPLApple INC-0.3%-0.25%Trim
44BSXBoston Scientific CORP-0.4%-0.64%Trim
45ABTAbbott Laboratories-0.5%-11.91%Trim
46PROSYProsus NV -spon Adr-0.6%-0.55%Trim
47ADPAutomatic Data Processing-0.7%-0.38%Trim
48MSFTMicrosoft CORP-0.8%+10.39%Add
49✓ Astrazeneca PLC—NEWNew buy
50✓ Canadien Pacifique Kansas City—EXITSold out

FAQ

What is S&co INC and what type of investor is it?
S&co INC is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $1.6B, spread across 218 disclosed positions.
What are S&co INC's largest equity positions?
Based on the latest 13F filing, S&co INC's top holdings by market value are: 1. Exxon Mobil CORP (XOM) — $89.2M (5.5%) 2. Berkshire Hathaway Inc-cl B (BRK-B) — $78.6M (4.9%) 3. Microsoft CORP (MSFT) — $70.4M (4.4%) 4. Caterpillar INC (CAT) — $70.0M (4.3%) 5. Church & Dwight Co INC (CHD) — $60.7M (3.8%)
What changes did S&co INC make in its most recent portfolio filing?
In the latest reported quarter, S&co INC made 40 notable position adjustments: 1 new positions were initiated, 16 existing holdings were added to, 22 positions were partially reduced, and 1 were completely exited. The largest of these moves: New buy: Astrazeneca PLC; Sold out: Canadien Pacifique Kansas City; Trim: Exxon Mobil CORP (XOM) — shares -0.17%; Add: Microsoft CORP (MSFT) — shares +10.39%; Trim: Automatic Data Processing (ADP) — shares -0.38%
What sectors does S&co INC focus on?
S&co INC is concentrated in the following sectors based on its current disclosed equity portfolio: • Information Technology: 18.6% • Health Care: 17.8% • Financials: 12.2% • Energy: 12.0% • Materials: 10.5% • Industrials: 9.0%

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