AI Portfolio Summary
In 2026 Q1, S&CO INC maintained a portfolio of 222 distinct positions. The most significant new addition to the portfolio was ASTRAZENECA PLC, which now represents 0.61% of the total fund value. They heavily accumulated shares in MICROSOFT CORP, increasing their position by 10.4%. The fund also reduced its exposure to SIRIUS XM HOLDINGS I by 17.1%.
Total Positions
222
Quarter
2026 Q1
Top Holding
XOM (5.5%)
Top 10 Concentration
38.5%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 222
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
XOM
EXXON MOBIL COR...
|
Energy | 5.54% | 3.94% |
#1
2
Prev: #3
|
4.7 | -895 | -0.2% |
P
S
|
526,003 | $89,241 |
$41.92
+283.3%
|
2000 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | ||
|
BRK/B
BERKSHIRE HATHA...
|
Financial Services | 4.88% | 5.13% |
#2
Prev: #2
|
4.0 | -155 | -0.1% |
P
S
|
164,075 | $78,624 |
$84.72
+463.4%
|
2010 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | ||
|
MSFT
MICROSOFT CORP
|
Technology | 4.37% | 5.18% |
#3
2
Prev: #1
|
4.7 | 17,900 | 10.4% |
P
S
|
190,197 | $70,405 |
$77.79
+380.1%
|
1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | ||
|
CAT
CATERPILLAR INC...
|
Industrials | 4.34% | 3.75% |
#4
1
Prev: #5
|
2.7 | -6,569 | -6.2% |
P
S
|
98,827 | $70,014 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CHD
CHURCH & DWIGHT...
|
Consumer Defensive | 3.76% | 3.36% |
#5
2
Prev: #7
|
2.5 | 5,742 | 0.9% |
P
S
|
650,230 | $60,679 | 2009 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ECL
ECOLAB INC
|
Basic Materials | 3.73% | 3.70% |
#6
Prev: #6
|
2.0 | -1,010 | -0.4% |
P
S
|
226,060 | $60,136 | 2009 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AAPL
APPLE INC
|
Technology | 3.66% | 3.93% |
#7
3
Prev: #4
|
2.0 | -592 | -0.3% |
P
S
|
232,357 | $58,969 | 2007 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MRK
MERCK & CO INC
|
Healthcare | 3.18% | 2.78% |
#8
1
Prev: #9
|
1.8 | -3 | -0.0% |
P
S
|
425,528 | $51,186 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AMZN
AMAZON.COM INC
|
Consumer Cyclical | 2.55% | 2.73% |
#9
1
Prev: #10
|
1.5 | 6,580 | 3.5% |
P
S
|
197,153 | $41,061 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ADP
AUTOMATIC DATA ...
|
Technology | 2.55% | 3.24% |
#10
2
Prev: #8
|
1.5 | -765 | -0.4% |
P
S
|
201,978 | $41,037 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
JNJ
JOHNSON & JOHNS...
|
Healthcare | 2.38% | 2.03% |
#11
1
Prev: #12
|
1.5 | -1,200 | -0.8% |
P
S
|
157,098 | $38,401 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CCJ
CAMECO CORP
|
Energy | 2.21% | 2.02% |
#12
1
Prev: #13
|
1.4 | -28,752 | -8.1% |
P
S
|
327,574 | $35,577 | 2014 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GLD
SPDR GOLD TRUST
|
ETF | 2.15% | 1.98% |
#13
1
Prev: #14
|
1.9 | no change | no change |
P
S
|
80,565 | $34,666 | 2008 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GOOG
ALPHABET INC CL...
|
Communication Services | 2.10% | 2.30% |
#14
3
Prev: #11
|
1.3 | -70 | -0.1% |
P
S
|
118,113 | $33,881 | 2007 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
APD
AIR PRODUCTS & ...
|
Basic Materials | 1.70% | 1.44% |
#15
5
Prev: #20
|
1.2 | 361 | 0.4% |
P
S
|
94,428 | $27,430 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GOOGL
ALPHABET INC CA...
|
Communication Services | 1.70% | 1.85% |
#16
Prev: #16
|
1.2 | -220 | -0.2% |
P
S
|
95,087 | $27,343 | 2015 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MOS
MOSAIC COMPANY
|
Basic Materials | 1.52% | 1.46% |
#17
2
Prev: #19
|
1.1 | -10,205 | -1.0% |
P
S
|
963,667 | $24,573 | 2013 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PROSY
PROSUS NV -SPON...
|
Consumer Cyclical | 1.39% | 1.94% |
#18
3
Prev: #15
|
1.1 | -13,690 | -0.5% |
P
S
|
2,497,466 | $22,434 | 2020 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AR
ANTERO RESOURCE...
|
Energy | 1.28% | 1.03% |
#19
4
Prev: #23
|
1.0 | 8,205 | 1.7% |
P
S
|
487,604 | $20,693 | 2016 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TMO
THERMO FISHER S...
|
Healthcare | 1.28% | 1.51% |
#20
2
Prev: #18
|
1.0 | -152 | -0.4% |
P
S
|
41,827 | $20,559 | 2006 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ABT
ABBOTT LABS
|
Healthcare | 1.27% | 1.76% |
#21
4
Prev: #17
|
1.0 | -26,990 | -11.9% |
P
S
|
199,720 | $20,505 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PYPL
PAYPAL HOLDINGS...
|
Financial Services | 1.25% | 1.25% |
#22
Prev: #22
|
3.0 | 99,615 | 28.8% |
P
S
|
445,270 | $20,139 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
LLY
ELI LILLY & CO ...
|
Healthcare | 1.23% | 1.35% |
#23
2
Prev: #21
|
2.5 | 1,310 | 6.5% |
P
S
|
21,519 | $19,792 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
RPRX
ROYALTY PHARMA ...
|
Healthcare | 1.07% | 0.86% |
#24
7
Prev: #31
|
1.4 | no change | no change |
P
S
|
358,377 | $17,191 | 2020 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
UNP
UNION PACIFIC C...
|
Industrials | 1.04% | 1.00% |
#25
Prev: #25
|
1.4 | no change | no change |
P
S
|
69,353 | $16,826 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
LLYVK
LIBERTY MEDIA C...
|
Communication Services | 1.03% | 0.91% |
#26
3
Prev: #29
|
1.4 | no change | no change |
P
S
|
176,571 | $16,617 | 2023 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
FUL
H.B. FULLER CO.
|
Basic Materials | 1.00% | 0.97% |
#27
1
Prev: #26
|
0.9 | -1,785 | -0.7% |
P
S
|
261,171 | $16,109 | 2014 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PANW
PALO ALTO NETWO...
|
Technology | 0.86% | 0.95% |
#28
1
Prev: #27
|
0.8 | 3,579 | 4.3% |
P
S
|
86,925 | $13,935 | 2013 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
SIRI
SIRIUS XM HOLDI...
|
Communication Services | 0.83% | 0.87% |
#29
1
Prev: #30
|
0.8 | -120,015 | -17.1% |
P
S
|
581,427 | $13,419 | 2024 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
LIN
LINDE PLC
|
Basic Materials | 0.80% | 0.69% |
#30
8
Prev: #38
|
1.3 | no change | no change |
P
S
|
26,052 | $12,915 | 2018 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
NVDA
NVIDIA CORP COM
|
Technology | 0.78% | 0.93% |
#31
3
Prev: #28
|
0.8 | -7,788 | -9.7% |
P
S
|
72,156 | $12,584 | 2023 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
XBI
SPDR S&P BIOTEC...
|
ETF | 0.75% | 0.77% |
#32
2
Prev: #34
|
0.8 | -7,947 | -7.8% |
P
S
|
94,280 | $12,042 | 2022 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PEP
PEPSICO INC
|
Consumer Defensive | 0.74% | 0.73% |
#33
3
Prev: #36
|
0.8 | -5,300 | -6.4% |
P
S
|
76,982 | $11,954 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
UNH
UNITEDHEALTH GR...
|
Healthcare | 0.74% | 0.83% |
#34
2
Prev: #32
|
2.3 | 3,385 | 8.3% |
P
S
|
44,072 | $11,925 | 2021 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
V
VISA INC. CL A
|
Financial Services | 0.70% | 0.69% |
#35
4
Prev: #39
|
2.3 | 6,055 | 19.2% |
P
S
|
37,553 | $11,350 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PSTG
EVERPURE, INC. ...
|
Technology | 0.70% | 0.79% |
#36
3
Prev: #33
|
1.3 | no change | no change |
P
S
|
190,420 | $11,242 | 2018 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MA
MASTERCARD INC ...
|
Financial Services | 0.67% | 0.58% |
#37
5
Prev: #42
|
2.8 | 5,082 | 31.0% |
P
S
|
21,481 | $10,733 | 2009 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GEV
GE VERNOVA INC
|
Industrials | 0.66% | 0.53% |
#38
7
Prev: #45
|
0.8 | -835 | -6.4% |
P
S
|
12,241 | $10,685 | 2024 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
BSX
BOSTON SCIENTIF...
|
Healthcare | 0.66% | 1.01% |
#39
15
Prev: #24
|
0.8 | -1,090 | -0.6% |
P
S
|
169,791 | $10,654 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GE
GE AEROSPACE CO...
|
Industrials | 0.66% | 0.72% |
#40
3
Prev: #37
|
0.8 | -14 | -0.0% |
P
S
|
37,471 | $10,633 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
FWONK
LIBERTY FORMULA...
|
Communication Services | 0.65% | 0.75% |
#41
6
Prev: #35
|
0.8 | -15 | -0.0% |
P
S
|
122,528 | $10,417 | 2023 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AZNCF
ASTRAZENECA PLC
|
Unknown | 0.61% | — |
#42
Prev: #—
|
3.7 | 50,765 | no change |
NEW
|
50,765 | $9,832 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MDT
MEDTRONIC PLC
|
Healthcare | 0.58% | 0.65% |
#43
3
Prev: #40
|
1.2 | no change | no change |
P
S
|
108,128 | $9,369 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AFL
AFLAC INC COM
|
Financial Services | 0.57% | 0.57% |
#44
1
Prev: #43
|
1.2 | no change | no change |
P
S
|
83,570 | $9,168 | 2004 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ALKS
ALKERMES PLC
|
Healthcare | 0.54% | 0.35% |
#45
16
Prev: #61
|
2.7 | 43,000 | 21.3% |
P
S
|
244,760 | $8,654 | 2013 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GFL
GFL ENVIRONMENT...
|
Industrials | 0.53% | 0.47% |
#46
3
Prev: #49
|
2.2 | 27,575 | 15.7% |
P
S
|
203,174 | $8,476 | 2024 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ROL
ROLLINS INC COM
|
Consumer Cyclical | 0.52% | 0.58% |
#47
6
Prev: #41
|
1.2 | no change | no change |
P
S
|
156,393 | $8,352 | 2010 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CSCO
CISCO SYSTEMS I...
|
Technology | 0.52% | 0.52% |
#48
1
Prev: #47
|
0.7 | -992 | -0.9% |
P
S
|
107,546 | $8,344 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ADI
ANALOG DEVICES ...
|
Technology | 0.49% | 0.42% |
#49
4
Prev: #53
|
1.2 | no change | no change |
P
S
|
24,789 | $7,886 | 1999 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ABNB
AIRBNB INC A
|
Consumer Cyclical | 0.49% | 0.53% |
#50
4
Prev: #46
|
1.2 | no change | no change |
P
S
|
62,355 | $7,874 | 2021 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 |
Showing 1-50 of 222 holdings