S&CO INC

Est. AUM

$1.61B

13F long equity, this entity only

Positions

218

Period

Mar 2026 (Q1)

SEC EDGAR

View filings ↗

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	EXXON MOBIL CORP	COM	$89.2M	526003	5.54%	SOLE
2	BERKSHIRE HATHAWAY INC CL B	COM	$78.6M	164075	4.88%	SOLE
3	MICROSOFT CORP	COM	$70.4M	190197	4.37%	SOLE
4	CATERPILLAR INC COM	COM	$70.0M	98827	4.34%	SOLE
5	CHURCH & DWIGHT CO INC	COM	$60.7M	650230	3.76%	SOLE
6	ECOLAB INC	COM	$60.1M	226060	3.73%	SOLE
7	APPLE INC	COM	$59.0M	232357	3.66%	SOLE
8	MERCK & CO INC	COM	$51.2M	425528	3.18%	SOLE
9	AMAZON.COM INC	COM	$41.1M	197153	2.55%	SOLE
10	AUTOMATIC DATA PROCESSING INC	COM	$41.0M	201978	2.55%	SOLE
11	JOHNSON & JOHNSON	COM	$38.4M	157098	2.38%	SOLE
12	CAMECO CORP	COM	$35.6M	327574	2.21%	SOLE
13	SPDR GOLD TRUST	COM	$34.7M	80565	2.15%	SOLE
14	ALPHABET INC CLASS C	COM	$33.9M	118113	2.10%	SOLE
15	AIR PRODUCTS & CHEMICALS INC C	COM	$27.4M	94428	1.70%	SOLE
16	ALPHABET INC CAP STK CL A	COM	$27.3M	95087	1.70%	SOLE
17	MOSAIC COMPANY	COM	$24.6M	963667	1.52%	SOLE
18	PROSUS NV -SPON ADR	COM	$22.4M	2497466	1.39%	SOLE
19	ANTERO RESOURCES CORP	COM	$20.7M	487604	1.28%	SOLE
20	THERMO FISHER SCIENTIFIC INC C	COM	$20.6M	41827	1.28%	SOLE
21	ABBOTT LABS	COM	$20.5M	199720	1.27%	SOLE
22	PAYPAL HOLDINGS INC	COM	$20.1M	445270	1.25%	SOLE
23	ELI LILLY & CO COM	COM	$19.8M	21519	1.23%	SOLE
24	ROYALTY PHARMA PLC CL A	COM	$17.2M	358377	1.07%	SOLE
25	UNION PACIFIC CORP	COM	$16.8M	69353	1.04%	SOLE
26	LIBERTY MEDIA CORP-LIBERTY LIV	COM	$16.6M	176571	1.03%	SOLE
27	H.B. FULLER CO.	COM	$16.1M	261171	1.00%	SOLE
28	PALO ALTO NETWORKS INC	COM	$13.9M	86925	0.86%	SOLE
29	SIRIUS XM HOLDINGS INC	COM	$13.4M	581427	0.83%	SOLE
30	LINDE PLC	COM	$12.9M	26052	0.80%	SOLE
31	NVIDIA CORP COM	COM	$12.6M	72156	0.78%	SOLE
32	SPDR S&P BIOTECH ETF	COM	$12.0M	94280	0.75%	SOLE
33	PEPSICO INC	COM	$12.0M	76982	0.74%	SOLE
34	UNITEDHEALTH GROUP INC COM	COM	$11.9M	44072	0.74%	SOLE
35	VISA INC. CL A	COM	$11.3M	37553	0.70%	SOLE
36	EVERPURE, INC. CLASS A	COM	$11.2M	190420	0.70%	SOLE
37	MASTERCARD INC - A	COM	$10.7M	21481	0.67%	SOLE
38	GE VERNOVA INC	COM	$10.7M	12241	0.66%	SOLE
39	BOSTON SCIENTIFIC CORP	COM	$10.7M	169791	0.66%	SOLE
40	GE AEROSPACE COM (NEW)	COM	$10.6M	37471	0.66%	SOLE
41	LIBERTY FORMULA ONE SER C	COM	$10.4M	122528	0.65%	SOLE
42	ASTRAZENECA PLC	COM	$9.8M	50765	0.61%	SOLE
43	MEDTRONIC PLC	COM	$9.4M	108128	0.58%	SOLE
44	AFLAC INC COM	COM	$9.2M	83570	0.57%	SOLE
45	ALKERMES PLC	COM	$8.7M	244760	0.54%	SOLE
46	GFL ENVIRONMENTAL	COM	$8.5M	203174	0.53%	SOLE
47	ROLLINS INC COM	COM	$8.4M	156393	0.52%	SOLE
48	CISCO SYSTEMS INC COM	COM	$8.3M	107546	0.52%	SOLE
49	ANALOG DEVICES INC COM	COM	$7.9M	24789	0.49%	SOLE
50	AIRBNB INC A	COM	$7.9M	62355	0.49%	SOLE

1–50 of 218

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Values in USD (reported in $thousands on 13F). Source: SEC EDGAR.