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Institutional

S&CO INC

CIK 0001082461
$1.6M
Reported AUM
218
Positions
Q1 2026
Period
2026-05-07
Filed

The Brief · S&CO INC · Q1 2026

AI · grounded in 13F

S&CO INC reduced its position in ABT by 11.91%. The fund established a new position in ASTRAZENECA PLC valued at $9,832 and increased its holding in MSFT by 10.39%. Other activity included trimming stakes in CAT by 6.23% and JNJ by 0.76%.

Portfolio · Q1 2026

XOM$89,241BERKSHIMSFTCATCHDECLAAPLMERCKAMZNADPJNJCCJOther$916,538SI

Top holdings

#StockIssuerPriceDay %1Y Gr.5Y Gr.Value% of bookΔ shares (QoQ)Status
1XOMEXXON MOBIL CORP$155.80-0.61%47.33%239.93%$89K5.54%HELD
2BRK/BBERKSHIRE HATHAWAY INC CL B$79K4.88%HELD
3MSFTMICROSOFT CORP$454.6316.41%-24.89%34.54%$70K4.37%HELD
4CATCATERPILLAR INC COM$804.182.74%84.23%304.51%$70K4.34%HELD
5CHDCHURCH & DWIGHT CO INC$98.12-1.74%7.61%26.32%$61K3.76%HELD
6ECLECOLAB INC$276.59-2.51%9.85%33.08%$60K3.73%HELD
7AAPLAPPLE INC$332.02-1.82%67.77%128.17%$59K3.66%HELD
8MERCK & CO INC$51K3.18%HELD
9AMZNAMAZON.COM INC$238.515.23%5.54%30.60%$41K2.55%HELD
10ADPAUTOMATIC DATA PROCESSING INC$260.92-4.55%-6.48%45.94%$41K2.55%HELD
11JNJJOHNSON & JOHNSON$256.34-3.46%56.99%69.37%$38K2.38%HELD
12CCJCAMECO CORP$87.923.96%21.28%382.58%$36K2.21%HELD
13SPDR GOLD TRUST$35K2.15%HELD
14GOOGALPHABET INC CLASS C$334.32-0.43%77.27%132.86%$34K2.10%HELD
15APDAIR PRODUCTS & CHEMICALS INC C$298.741.52%7.23%23.83%$27K1.70%HELD
16GOOGLALPHABET INC CAP STK CL A$334.76-0.58%76.18%131.67%$27K1.70%HELD
17MOSMOSAIC COMPANY$22.700.38%-33.51%-20.52%$25K1.52%HELD
18PROSYPROSUS NV -SPON ADR$9.212.22%-18.13%14.31%$22K1.39%HELD
19ARANTERO RESOURCES CORP$34.72-1.20%4.19%155.69%$21K1.28%HELD
20TMOTHERMO FISHER SCIENTIFIC INC C$569.52-1.20%24.95%5.34%$21K1.28%HELD
21ABTABBOTT LABS$105.43-2.38%-15.48%-8.29%$21K1.27%HELD
22PYPLPAYPAL HOLDINGS INC$56.88-2.51%-12.30%-79.61%$20K1.25%HELD
23LLYELI LILLY & CO COM$1164.70-3.75%54.61%373.33%$20K1.23%HELD
24RPRXROYALTY PHARMA PLC CL A$59.560.64%62.89%71.41%$17K1.07%HELD
25UNPUNION PACIFIC CORP$285.76-2.20%36.18%50.11%$17K1.04%HELD
26LLYVKLIBERTY MEDIA CORP-LIBERTY LIV$104.510.78%25.59%223.05%$17K1.03%HELD
27FULH.B. FULLER CO.$54.90-1.53%-0.10%-13.73%$16K1.00%HELD
28PANWPALO ALTO NETWORKS INC$318.501.38%81.72%308.84%$14K0.86%HELD
29SIRISIRIUS XM HOLDINGS INC$31.14-4.45%61.43%-37.75%$13K0.83%HELD
30LINLINDE PLC$504.93-1.22%11.29%71.60%$13K0.80%HELD
31NVIDIA CORP COM$13K0.78%HELD
32SPDR S&P BIOTECH ETF$12K0.75%HELD
33PEPPEPSICO INC$139.86-2.54%$12K0.74%HELD
34UNITEDHEALTH GROUP INC COM$12K0.74%HELD
35VVISA INC. CL A$363.24-1.49%$11K0.70%HELD
36EVERPURE, INC. CLASS A$11K0.70%HELD
37MAMASTERCARD INC - A$574.221.94%$11K0.67%HELD
38GE VERNOVA INC$11K0.66%HELD
39BSXBOSTON SCIENTIFIC CORP$45.12-2.00%$11K0.66%HELD
40GEGE AEROSPACE COM (NEW)$353.550.83%$11K0.66%HELD
41FWONKLIBERTY FORMULA ONE SER C$99.81-2.04%$10K0.65%HELD
42ASTRAZENECA PLC$10K0.61%HELD
43MEDTRONIC PLC$9K0.58%HELD
44AFLAFLAC INC COM$127.00-1.29%$9K0.57%HELD
45ALKERMES PLC$9K0.54%HELD
46GFL ENVIRONMENTAL$8K0.53%HELD
47ROLROLLINS INC COM$37.60-2.97%$8K0.52%HELD
48CISCO SYSTEMS INC COM$8K0.52%HELD
49ADIANALOG DEVICES INC COM$365.693.49%$8K0.49%HELD
50ABNBAIRBNB INC A$151.29-1.12%$8K0.49%HELD
51VWOVANGUARD FTSE EMERGING MARKET$58.172.20%$7K0.44%HELD
52JP MORGAN CHASE & CO$7K0.44%HELD
53APOAPOLLO ASSET MANAGEMENT INC.$119.59-0.15%$7K0.43%HELD
54RHHBYROCHE HOLDING LTD SPONSORED AD$54.82-0.27%$7K0.43%HELD
55HDHOME DEPOT INC COM$332.72-1.64%$7K0.43%HELD
56EDWARDS LIFESCIENCES CORP$7K0.40%HELD
57DIAMONDBACK ENERGY INC$6K0.40%HELD
58INTUINTUIT, INC.$310.26-6.87%$6K0.39%HELD
59CVXCHEVRON CORP NEW COM$190.85-0.53%$6K0.39%HELD
60CHUBB LIMITED$6K0.38%HELD
61LBRDKLIBERTY BROADBAND-C$32.72-4.05%$6K0.38%HELD
62RTX CORP.$6K0.38%HELD
63OKTAOKTA, INC.$136.85-0.04%$6K0.36%HELD
64MSMORGAN STANLEY COM$209.523.15%$6K0.35%HELD
65LILALIBERTY LATIN AMERICA-CL A$8.11-4.75%$5K0.33%HELD
66FWONALIBERTY MEDIA CORP-FORMULA-A$90.99-2.68%$5K0.32%HELD
67ELESTEE LAUDER COMPANIES-CL A$85.261.34%$5K0.32%HELD
68LIBERTY GLOBAL LTD-C$5K0.31%HELD
69SYKSTRYKER CORP.$347.36-1.39%$5K0.31%HELD
70GCI LIBERTY, INC. CLASS C$5K0.31%HELD
71BIO-TECHNE CORPORATION$5K0.29%HELD
72WEC ENERGY GROUP INC COM$5K0.29%HELD
73TELTE CONNECTIVITY PLC$206.950.00%$5K0.29%HELD
74VIGVANGUARD DIVIDEND APPRECIATION$239.340.33%$5K0.29%HELD
75LLYVALIBERTY MEDIA CORP-LIBERTY LIV$100.820.76%$5K0.28%HELD
763M COMPANY COM$5K0.28%HELD
77BACBANK OF AMERICA CORP$61.630.92%$5K0.28%HELD
78CCITIGROUP INC COM NEW$131.253.24%$4K0.28%HELD
79INTERACTIVE BROKERS GROUP INC$4K0.26%HELD
80IBMINTERNATIONAL BUSINESS MACHINE$222.12-1.91%$4K0.25%HELD
81VANECK GOLD MINERS ETF$4K0.24%HELD
82MIDDMIDDLEBY CORPORATION$132.56-0.35%$4K0.24%HELD
83IVWISHARES S&P 500/BARRA GROWTH I$132.812.73%$4K0.24%HELD
84EXPEDIA GROUP INC COM$4K0.23%HELD
85DIGITALBRIDGE GROUP INC$4K0.23%HELD
86TJXTJX COS INC NEW COM$158.18-2.13%$4K0.22%HELD
87WATWATERS CORP COM$376.73-0.73%$3K0.21%HELD
88WORKDAY INC A$3K0.21%HELD
89LBRDALIBERTY BROADBAND SER A$32.65-4.14%$3K0.21%HELD
90REVOLUTION MEDICINES INC$3K0.21%HELD
91VGKVANGUARD MSCI EUROPEAN INDEX E$90.682.05%$3K0.20%HELD
92META PLATFORMS INC$3K0.20%HELD
93EATON CORP PLC$3K0.20%HELD
94WISDOMTREE JAPAN HEDGED EQUITY$3K0.20%HELD
95PGPROCTER & GAMBLE CO$143.02-2.11%$3K0.18%HELD
96FSLRFIRST SOLAR, INC.$203.111.94%$3K0.18%HELD
97WMT2WELLS FARGO & CO COM$3K0.18%HELD
98LBTYALIBERTY GLOBAL LTD-A$10.35-1.76%$3K0.17%HELD
99NEXTERA ENERGY INC COM$3K0.17%HELD
100ELANCO ANIMAL HEALTH, INC$3K0.17%HELD
101RBRKRUBRIK INC A$70.87-1.45%$3K0.16%HELD
102MCDMCDONALD'S CORP COM$267.52-1.47%$3K0.16%HELD
103COSTCO WHOLESALE CORP COM$3K0.16%HELD
104DHRDANAHER CORP COM$196.29-0.10%$3K0.16%HELD
105ALNYLAM PHARMACEUTICALS INC$2K0.15%HELD
106RRCRANGE RESOURCES CORP$39.10-2.04%$2K0.15%HELD
107CONSTELLATION ENERGY CORPORATI$2K0.15%HELD
108IACIAC INC$2K0.15%HELD
109ISRGINTUITIVE SURGICAL, INC.$350.07-0.86%$2K0.15%HELD
110VEUVANGUARD FTSE ALL-WORLD EX-US$82.812.70%$2K0.15%HELD
111TESLA MOTORS INC$2K0.14%HELD
112FERGUSON ENTERPRISES INC$2K0.14%HELD
113ILMNILLUMINA, INC.$199.262.28%$2K0.14%HELD
114AGILENT TECHNOLOGIES INC COM$2K0.12%HELD
115AXPAMERICAN EXPRESS CO COM$336.761.59%$2K0.12%HELD
116VERTEX PHARMACEUTICALS INC COM$2K0.11%HELD
117PENUMBRA, INC.$2K0.11%HELD
118CTSHCOGNIZANT TECHNOLOGY SOLUTIONS$53.49-4.43%$2K0.11%HELD
119LECOLINCOLN ELECTRIC HOLDINGS, INC$245.76-4.74%$2K0.11%HELD
120TRAVERE THERAPEUTICS, INC.$2K0.10%HELD
121CWCURTISS-WRIGHT CORP$703.323.52%$2K0.10%HELD
122EOGEOG RESOURCES INC$143.80-1.47%$2K0.10%HELD
123LOWLOWE'S COMPANIES, INC$210.29-2.50%$2K0.10%HELD
124IAUISHARES GOLD TRUST$77.361.73%$2K0.09%HELD
125SCJISHARES MSCI JAPAN SMALL CAP E$106.042.65%$1K0.09%HELD
126PFEPFIZER INC$24.75-1.59%$1K0.09%HELD
127INSMINSMED INCORPORATED$100.74-2.31%$1K0.08%HELD
128INSULET CORPORATION$1K0.08%HELD
129HONHONEYWELL INTERNATIONAL INC CO$239.58-0.64%$1K0.08%HELD
130HUMHUMANA INC.$374.742.55%$1K0.08%HELD
131ABBVIE INC$1K0.08%HELD
132KMBKIMBERLY-CLARK CORP COM$109.79-3.03%$1K0.07%HELD
133SONYSONY GROUP CORPORATION ADR$22.84-1.85%$1K0.07%HELD
134HCA HEALTHCARE INC COM$1K0.07%HELD
135AGCOAGCO CORP COM$107.18-7.73%$1K0.07%HELD
136IWDISHARES RUSSELL 1000 VALUE IND$249.860.14%$1K0.07%HELD
137MRVLMARVELL TECHNOLOGY, INC.$180.7110.59%$1K0.06%HELD
138ENTERGY CORP (NEW) COM$1K0.06%HELD
139RBLXROBLOX CORP.$48.32-3.61%$9580.06%HELD
140ADOBE INC$9440.06%HELD
141WMTWALMART INC COM$110.80-2.99%$9330.06%HELD
142VTIVANGUARD TOTAL STOCK MKT ETF$364.641.17%$9240.06%HELD
143NEUROCRINE BIOSCIENCES, INC.$9220.06%HELD
144IVEISHARES S&P 500 VALUE INDEX ET$231.15-0.52%$9180.06%HELD
145PRIVIA HEALTH GROUP, INC.$8630.05%HELD
146UNITED THERAPEUTICS CORP$8480.05%HELD
147ALCON INC.$8430.05%HELD
148TAT&T INC$23.22-3.03%$8410.05%HELD
149BATRKATLANTA BRAVES HOLDINGS IN-C$50.90-0.61%$8350.05%HELD
150IWRISHARES RUSSELL MIDCAP INDEX E$109.35-0.21%$8110.05%HELD
151MONDAY.COM$8020.05%HELD
152TRANE TECHNOLOGIES PLC$7830.05%HELD
153KOCOCA-COLA CO COM$87.89-1.34%$7780.05%HELD
154CETCENTRAL SECURITIES CORP$7680.05%HELD
155MTDMETTLER-TOLEDO INTERNATIONAL I$7560.05%HELD
156SXISTANDEX INTL CORP$6840.04%HELD
157IWFISHARES RUSSELL 1000 GROWTH IN$6570.04%HELD
158LILAKLIBERTY LATIN AMERICA-CL C$6070.04%HELD
159KMPRKEMPER CORP$6070.04%HELD
160VWDRYVESTAS WIND SYSTEM A/S UnSPONS$5950.04%HELD
161PNCPNC FINANCIAL SERVICES GROUP I$5820.04%HELD
162BENFRANKLIN RESOURCES INC$5490.03%HELD
163BEBLOOM ENERGY CORPORATION CLASS$5410.03%HELD
164SALESFORCE INC$5290.03%HELD
165ULTRAGENYX PHARMACEUTICAL, INC$5290.03%HELD
166ZTSZOETIS INC COM USD0.01 CL A$5210.03%HELD
167INTCINTEL CORP$5170.03%HELD
168IQVIA HOLDINGS INC$5110.03%HELD
169GISGENERAL MILLS INC COM$5070.03%HELD
170DEDEERE & CO COM$4840.03%HELD
171BAHBOOZ ALLEN HAMILTON HLDG CORP$4570.03%HELD
172IWOISHARES RUSSELL 2000 GROWTH IN$4170.03%HELD
173VEAVANGUARD FTSE DEVELOPED ETF$3940.02%HELD
174TXNTEXAS INSTRUMENTS INC COM$3880.02%HELD
175BROADCOM INC COM$3850.02%HELD
176GCI LIBERTY, INC. CLASS A$3770.02%HELD
177EASTERN BANKSHARES, INC$3580.02%HELD
178ZWSZURN ELKAY WATER SOLUTIONS COR$3580.02%HELD
179BABOEING CO COM$3560.02%HELD
180MRSHMARSH & MCLENNAN COS INC$3460.02%HELD
181GLWCORNING INC COM$3460.02%HELD
182CLHCLEAN HARBORS INC$3440.02%HELD
183GE HEALTHCARE TECHNOLOGIES INC$3430.02%HELD
184RSGREPUBLIC SERVICES, INC.$3390.02%HELD
185NOCNORTHRUP GRUMMAN CORP.$3350.02%HELD
186BEPBROOKFIELD RENEWABLE PARTNERS$3260.02%HELD
187GNRCGENERAC HOLDINGS INC.$3120.02%HELD
188RRXREGAL REXNORD CORP$2990.02%HELD
189EMREMERSON ELECTRIC CO COM$2980.02%HELD
190TRANSOCEAN LTD$2980.02%HELD
191ITRIITRON INC COM$2950.02%HELD
192ORACLE CORP COM$2940.02%HELD
193AMGNAMGEN INC COM$2930.02%HELD
194MPMP MATERIALS CORP CLASS A$2890.02%HELD
195ACUITY INC.$2800.02%HELD
196IDEXX LABS INC COM$2800.02%HELD
197CTASCINTAS CORP COM$2700.02%HELD
198APPLOVIN CORPORATION (QSBS STO$2680.02%HELD
199NVZMYNOVONESIS(NOVOZYMES A/S) ADR C$2650.02%HELD
200CAECAE INC.$2600.02%HELD
201VOOVANGUARD S&P 500 ETF$2520.02%HELD
202WASTE MANAGEMENT, INC$2520.02%HELD
203SEALED AIR CORPORATION$2520.02%HELD
204CHTRCHARTER COMMUNICATIONS INC$2430.02%HELD
205AESAES CORPORATION$2390.01%HELD
206PRINCIPAL FINANCIAL GROUP INC$2250.01%HELD
207ORAORMAT TECHNOLOGIES INC COM$2230.01%HELD
208CSXCSX CORP COM$2210.01%HELD
209CICIGNA GROUP$2190.01%HELD
210VERALTO CORP.$2150.01%HELD
211CFGCITIZENS FINANCIAL GROUP INC C$2090.01%HELD
212APTIV PLC$2080.01%HELD
213CLCOLGATE-PALMOLIVE CO COM$2040.01%HELD
214DOORDASH INC (QSBS STOCK)$2010.01%HELD
215LDGYYLANDIS GYR GROUP AG UnSponsore$1880.01%HELD
216ENVXENOVIX CORPORATION$1810.01%HELD
217CLNECLEAN ENERGY FUELS CORP.$1480.01%HELD
218ERIIENERGY RECOVERY, INC.$1300.01%HELD

Source: SEC EDGAR · accession 0001082461-26-000002. 13F discloses long positions only — shorts, foreign equities, and options are excluded.