2026 Q3 Portfolio Activity
In 2026 Q3, S&CO INC maintained a portfolio of 230 distinct positions. The most significant new addition was INVESCO QQQ TRUST SERIES 1 ETF, now representing 0.26% of the total fund value. They heavily accumulated shares in ROLLINS INC COM, increasing the position by 119.3%.
Position History
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Total Positions
230
Quarter
2026 Q3
Top Holding
MSFT (5.8%)
Top 10 Concentration
39.6%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 230
S&CO INC Full Holdings List — 2026 Q3
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MSFT
MICROSOFT CORP
|
Technology | 5.84% | 4.27% |
#1
2
Prev: #3
|
4.8 |
—
|
3,149 | 1.6% |
P
S
|
201,489 | $103,343 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
XOM
EXXONMOBIL HOLD...
|
Energy | 4.83% | 4.15% |
#2
2
Prev: #4
|
3.9 |
—
|
-1,128 | -0.2% |
P
S
|
524,875 | $85,423 | 2000 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
BRK/B
BERKSHIRE HATHA...
|
Financial Services | 4.62% | 4.74% |
#3
1
Prev: #2
|
3.3 |
—
|
12 | 0.0% |
P
S
|
164,087 | $81,707 | 2010 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
CAT
CATERPILLAR INC...
|
Industrials | 4.12% | 5.79% |
#4
3
Prev: #1
|
2.6 |
—
|
-4,295 | -4.6% |
P
S
|
89,781 | $72,793 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
AAPL
APPLE INC
|
Technology | 4.06% | 3.69% |
#5
Prev: #5
|
2.6 |
—
|
-5,022 | -2.3% |
P
S
|
215,685 | $71,827 | 2007 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
ECL
ECOLAB INC
|
Basic Materials | 3.50% | 3.64% |
#6
1
Prev: #7
|
1.9 |
—
|
-469 | -0.2% |
P
S
|
225,393 | $61,888 | 2009 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
MRK
MERCK & CO INC
|
Healthcare | 3.49% | 3.16% |
#7
1
Prev: #8
|
1.9 |
—
|
-269 | -0.1% |
P
S
|
425,259 | $61,794 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
CHD
CHURCH & DWIGHT...
|
Consumer Defensive | 3.44% | 3.64% |
#8
2
Prev: #6
|
1.9 |
—
|
-4,085 | -0.6% |
P
S
|
645,570 | $60,825 | 2009 Q3 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
ADP
AUTOMATIC DATA ...
|
Technology | 2.94% | 2.61% |
#9
1
Prev: #10
|
1.7 |
—
|
-150 | -0.1% |
P
S
|
201,828 | $52,083 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
AMZN
AMAZON.COM INC
|
Consumer Cyclical | 2.78% | 2.71% |
#10
1
Prev: #9
|
1.6 |
—
|
207 | 0.1% |
P
S
|
197,182 | $49,127 | 2016 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
JNJ
JOHNSON & JOHNS...
|
Healthcare | 2.35% | 2.30% |
#11
1
Prev: #12
|
1.4 |
—
|
-410 | -0.3% |
P
S
|
156,688 | $41,481 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
GOOG
ALPHABET INC CL...
|
Communication Services | 2.33% | 2.41% |
#12
1
Prev: #11
|
1.4 |
—
|
2,622 | 2.2% |
P
S
|
120,735 | $41,139 | 2007 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
PANW
PALO ALTO NETWO...
|
Technology | 1.98% | 1.81% |
#13
2
Prev: #15
|
1.3 |
—
|
-3,660 | -4.0% |
P
S
|
88,192 | $35,039 | 2013 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
GOOGL
ALPHABET INC CA...
|
Communication Services | 1.85% | 1.96% |
#14
1
Prev: #13
|
1.7 |
—
|
no change | no change |
P
S
|
94,857 | $32,638 | 2015 Q3 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
GLD
SPDR GOLD TRUST
|
ETF | 1.74% | 1.71% |
#15
1
Prev: #16
|
1.2 |
—
|
99 | 0.1% |
P
S
|
80,664 | $30,720 | 2008 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
TMO
THERMO FISHER S...
|
Healthcare | 1.58% | 1.20% |
#16
5
Prev: #21
|
1.6 |
—
|
no change | no change |
P
S
|
41,387 | $27,938 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
CCJ
CAMECO CORP
|
Energy | 1.54% | 1.85% |
#17
3
Prev: #14
|
1.1 |
—
|
-20 | -0.0% |
P
S
|
313,606 | $27,180 | 2014 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
APD
AIR PRODUCTS & ...
|
Basic Materials | 1.49% | 1.60% |
#18
1
Prev: #17
|
1.1 |
—
|
28 | 0.0% |
P
S
|
94,622 | $26,326 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
LLY
ELI LILLY & CO ...
|
Healthcare | 1.46% | 1.55% |
#19
1
Prev: #18
|
1.1 |
—
|
-27 | -0.1% |
P
S
|
22,273 | $25,771 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
PSTG
EVERPURE, INC. ...
|
Technology | 1.41% | 0.87% |
#20
10
Prev: #30
|
1.6 |
—
|
no change | no change |
P
S
|
190,420 | $24,903 | 2018 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
PYPL
PAYPAL HOLDINGS...
|
Financial Services | 1.30% | 1.09% |
#21
3
Prev: #24
|
1.0 |
—
|
1,815 | 0.4% |
P
S
|
437,832 | $22,999 | 2016 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
MOS
MOSAIC COMPANY
|
Basic Materials | 1.26% | 1.27% |
#22
3
Prev: #19
|
1.0 |
—
|
-7,965 | -0.8% |
P
S
|
1,032,758 | $22,359 | 2013 Q3 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
RPRX
ROYALTY PHARMA ...
|
Healthcare | 1.18% | 1.16% |
#23
1
Prev: #22
|
1.0 |
—
|
-300 | -0.1% |
P
S
|
358,002 | $20,892 | 2020 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
PROSY
PROSUS NV -SPON...
|
Consumer Cyclical | 1.14% | 1.25% |
#24
4
Prev: #20
|
1.0 |
—
|
5,695 | 0.2% |
P
S
|
2,505,306 | $20,215 | 2020 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
UNP
UNION PACIFIC C...
|
Industrials | 1.07% | 1.09% |
#25
2
Prev: #23
|
1.4 |
—
|
no change | no change |
P
S
|
69,353 | $18,873 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
ABT
ABBOTT LABS
|
Healthcare | 1.01% | 0.98% |
#26
2
Prev: #28
|
0.9 |
—
|
-5,280 | -2.8% |
P
S
|
181,241 | $17,912 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
LLYVK
LIBERTY MEDIA C...
|
Communication Services | 0.96% | 1.07% |
#27
2
Prev: #25
|
0.9 |
—
|
329 | 0.2% |
P
S
|
175,112 | $17,029 | 2023 Q3 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
AR
ANTERO RESOURCE...
|
Energy | 0.95% | 1.02% |
#28
1
Prev: #27
|
0.9 |
—
|
915 | 0.2% |
P
S
|
505,517 | $16,879 | 2016 Q3 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
NVDA
NVIDIA CORP COM
|
Technology | 0.93% | 0.83% |
#29
3
Prev: #32
|
1.4 |
—
|
no change | no change |
P
S
|
72,156 | $16,478 | 2023 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
V
VISA INC. CL A
|
Financial Services | 0.87% | 0.83% |
#30
3
Prev: #33
|
0.8 |
—
|
725 | 1.7% |
P
S
|
42,615 | $15,312 | 2016 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
UNH
UNITEDHEALTH GR...
|
Healthcare | 0.85% | 1.06% |
#31
5
Prev: #26
|
0.8 |
—
|
-3,070 | -7.0% |
P
S
|
40,914 | $15,018 | 2021 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
XBI
SPDR S&P BIOTEC...
|
ETF | 0.84% | 0.86% |
#32
1
Prev: #31
|
0.8 |
—
|
-100 | -0.1% |
P
S
|
94,210 | $14,855 | 2022 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
SIRI
SIRIUS XM HOLDI...
|
Communication Services | 0.71% | 0.97% |
#33
4
Prev: #29
|
0.8 |
—
|
-83,647 | -14.7% |
P
S
|
485,559 | $12,566 | 2024 Q3 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
GFL
GFL ENVIRONMENT...
|
Industrials | 0.71% | 0.62% |
#34
9
Prev: #43
|
0.8 |
—
|
5,125 | 1.7% |
P
S
|
298,649 | $12,492 | 2024 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
LIN
LINDE PLC
|
Basic Materials | 0.70% | 0.78% |
#35
1
Prev: #36
|
0.8 |
—
|
10 | 0.0% |
P
S
|
26,149 | $12,411 | 2018 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
MA
MASTERCARD INC ...
|
Financial Services | 0.70% | 0.66% |
#36
6
Prev: #42
|
0.8 |
—
|
-5 | -0.0% |
P
S
|
22,353 | $12,327 | 2009 Q3 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
RHHBY
ROCHE HOLDING L...
|
Healthcare | 0.68% | 0.69% |
#37
3
Prev: #40
|
0.8 |
—
|
100 | 0.0% |
P
S
|
230,410 | $12,042 | 2013 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
FUL
H.B. FULLER CO.
|
Basic Materials | 0.66% | 0.81% |
#38
4
Prev: #34
|
0.8 |
—
|
-5,902 | -2.4% |
P
S
|
235,879 | $11,668 | 2014 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
CSCO
CISCO SYSTEMS I...
|
Technology | 0.65% | 0.73% |
#39
Prev: #39
|
1.3 |
—
|
no change | no change |
P
S
|
107,126 | $11,529 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
FWONK
LIBERTY FORMULA...
|
Communication Services | 0.64% | 0.67% |
#40
1
Prev: #41
|
1.3 |
—
|
no change | no change |
P
S
|
122,528 | $11,321 | 2023 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
GEV
GE VERNOVA INC
|
Industrials | 0.63% | 0.80% |
#41
6
Prev: #35
|
1.3 |
—
|
no change | no change |
P
S
|
11,732 | $11,151 | 2024 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
GE
GE AEROSPACE CO...
|
Industrials | 0.63% | 0.77% |
#42
5
Prev: #37
|
1.3 |
—
|
no change | no change |
P
S
|
35,671 | $11,139 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
ROL
ROLLINS INC COM
|
Consumer Cyclical | 0.58% | 0.38% |
#43
14
Prev: #57
|
3.2 |
—
|
186,558 | 119.3% |
P
S
|
342,951 | $10,329 | 2010 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
ABNB
AIRBNB INC A
|
Consumer Cyclical | 0.57% | 0.52% |
#44
3
Prev: #47
|
1.2 |
—
|
no change | no change |
P
S
|
62,355 | $10,017 | 2021 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
ALKS
ALKERMES PLC
|
Healthcare | 0.56% | 0.74% |
#45
7
Prev: #38
|
1.2 |
—
|
no change | no change |
P
S
|
244,760 | $9,917 | 2013 Q1 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
PEP
PEPSICO INC
|
Consumer Defensive | 0.54% | 0.59% |
#46
2
Prev: #44
|
0.7 |
—
|
-508 | -0.7% |
P
S
|
75,169 | $9,525 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
ADI
ANALOG DEVICES ...
|
Technology | 0.53% | 0.55% |
#47
1
Prev: #46
|
1.2 |
—
|
no change | no change |
P
S
|
23,789 | $9,437 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
AFL
AFLAC INC COM
|
Financial Services | 0.53% | 0.57% |
#48
3
Prev: #45
|
1.2 |
—
|
no change | no change |
P
S
|
83,570 | $9,341 | 2004 Q4 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
MDT
MEDTRONIC PLC
|
Healthcare | 0.53% | 0.49% |
#49
1
Prev: #48
|
0.7 |
—
|
27 | 0.0% |
P
S
|
108,155 | $9,332 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 | |||
|
BSX
BOSTON SCIENTIF...
|
Healthcare | 0.52% | 0.42% |
#50
4
Prev: #54
|
2.7 |
—
|
40,195 | 23.7% |
P
S
|
209,986 | $9,165 | 1999 Q2 | 13F Filing | 2026-09-30 | 2026-11-10 |
Showing 1-50 of 230 holdings