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S&CO INC

50 CONGRESS STREET ROOM 800, BOSTON, MA 02109 • 6172278660

Q1 2026 · Filed 2026-05-07
Market Value
$1.3B
-1.0%
Holdings
147
-5
New Purchases
2
Added To
24
Closed
2
Reduced
45
Top 10 Concentration
47.3%
Turnover
2.7%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
XONA.DE 6.93% 4.87% +2.06% $89M
CAT 5.44% 4.64% +0.80% $70M
CHD 4.71% 4.15% +0.56% $61M
JNJ 2.98% 2.52% +0.46% $38M
APD 2.13% 1.79% +0.34% $27M
AR 1.61% 1.27% +0.34% $21M
RHHBY 0.53% 0.21% +0.32% $7M
RPRX 1.33% 1.06% +0.27% $17M
CCJ 2.76% 2.51% +0.26% $36M
LLYVK 1.29% 1.13% +0.16% $17M
LIN 1.00% 0.85% +0.15% $13M
INTU 0.49% 0.35% +0.14% $6M
CVX 0.48% 0.36% +0.12% $6M
MA 0.83% 0.72% +0.11% $11M
MOS 1.91% 1.80% +0.11% $25M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
MSFT 5.47% 6.40% -0.94% $70M
ADP 3.19% 4.01% -0.82% $41M
PROSY 1.74% 2.40% -0.65% $22M
ABT 1.59% 2.18% -0.59% $21M
BSX 0.83% 1.25% -0.42% $11M
AAPL 4.58% 4.87% -0.29% $59M
TMO 1.60% 1.87% -0.27% $21M
BRK-B 6.11% 6.34% -0.24% $79M
GOOG 2.63% 2.85% -0.22% $34M
AMZN 3.19% 3.38% -0.19% $41M
MIDD 0.30% 0.48% -0.18% $4M
GOOGL 2.12% 2.29% -0.17% $27M
EL 0.39% 0.56% -0.17% $5M
APO 0.54% 0.70% -0.16% $7M
LLY 1.54% 1.67% -0.13% $20M

Sector Allocation Over Time

Industry Breakdown

IndustryWeight
Financial Services 15.0%
Technology 14.6%
Energy 12.6%
Industrials 12.3%
Healthcare 12.3%

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 36 $668M 51.8%
Large Cap 80 $510M 39.6%
Mid Cap 24 $107M 8.3%
Small Cap 6 $2M 0.2%
Micro Cap 1 $1M 0.1%

Portfolio Analytics

Avg Market Cap
$281.4B
Median Market Cap
$64.5B
Avg P/E
34.9
Median P/E
24.8
Avg Dividend Yield
0.01%
Avg Beta
0.93
# Stocks
131
# ETFs / Funds
16

Top Holdings (147 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 XONA.DE 6.93% 526,003 $89M $169.66 $26M -895 -0.2%
2 BRK-B 6.11% 164,075 $79M $479.20 -$4M -155 -0.1%
3 MSFT 5.47% 190,197 $70M $370.17 -$13M +17,900 +10.4%
4 CAT 5.44% 98,827 $70M $708.45 $10M -6,569 -6.2%
5 CHD 4.71% 650,230 $61M $93.32 $7M +5,742 +0.9%
6 ECL 4.67% 226,060 $60M $266.02 $526K -1,010 -0.4%
7 AAPL 4.58% 232,357 $59M $253.79 -$4M -592 -0.2%
8 AMZN 3.19% 197,153 $41M $208.27 -$3M +6,580 +3.5%
9 ADP 3.19% 201,978 $41M $203.18 -$11M -765 -0.4%
10 JNJ 2.98% 157,098 $38M $244.44 $6M -1,200 -0.8%
11 CCJ 2.76% 327,574 $36M $108.61 $3M -28,752 -8.1%
12 GOOG 2.63% 118,113 $34M $286.85 -$3M -70 -0.1%
13 APD 2.13% 94,428 $27M $290.49 $4M +361 +0.4%
14 GOOGL 2.12% 95,087 $27M $287.56 -$2M -220 -0.2%
15 MOS 1.91% 963,667 $25M $25.50 $1M -10,205 -1.1%
16 PROSY 1.74% 2,497,466 $22M $8.98 -$9M -13,690 -0.6%
17 AR 1.61% 487,604 $21M $42.44 $4M +8,205 +1.7%
18 TMO 1.60% 41,827 $21M $491.52 -$4M -152 -0.4%
19 ABT 1.59% 199,720 $21M $102.67 -$8M -26,990 -11.9%
20 PYPL 1.56% 445,270 $20M $45.23 -$40K +99,615 +28.8%
21 LLY 1.54% 21,519 $20M $919.75 -$2M +1,310 +6.5%
22 RPRX 1.33% 358,377 $17M $47.97 $3M — —
23 UNP 1.31% 69,353 $17M $242.61 $784K — —
24 LLYVK 1.29% 176,571 $17M $94.11 $2M — —
25 FUL 1.25% 261,171 $16M $61.68 $474K -1,785 -0.7%
26 PANW 1.08% 86,925 $14M $160.31 -$1M +3,579 +4.3%
27 SIRI 1.04% 581,427 $13M $23.08 -$606K -120,015 -17.1%
28 LIN 1.00% 26,052 $13M $495.74 $2M — —
29 PEP 0.93% 76,982 $12M $155.28 $145K -5,300 -6.4%
30 V 0.88% 37,553 $11M $302.24 $304K +6,055 +19.2%
31 MA 0.83% 21,481 $11M $499.65 $1M +5,082 +31.0%
32 BSX 0.83% 169,791 $11M $62.75 -$6M -1,090 -0.6%
33 GE 0.83% 37,471 $11M $283.77 -$913K -14 -0.0%
34 FWONK 0.81% 122,528 $10M $85.02 -$2M -15 -0.0%
35 AFL 0.71% 83,570 $9M $109.70 -$47K — —
36 ROL 0.65% 156,393 $8M $53.40 -$1M — —
37 ADI 0.61% 24,789 $8M $318.12 $1M — —
38 ABNB 0.61% 62,355 $8M $126.28 -$588K — —
39 VWO 0.55% 131,648 $7M $54.05 $829K +14,705 +12.6%
40 APO 0.54% 62,880 $7M $111.42 -$2M — —
41 RHHBY 0.53% 140,551 $7M $48.95 $4M +87,107 +163.0%
42 HD 0.53% 20,887 $7M $328.86 -$318K — —
43 INTU 0.49% 14,540 $6M $432.32 $2M +7,602 +109.6%
44 CVX 0.48% 30,024 $6M $206.87 $2M -655 -2.1%
45 LBRDK 0.47% 121,034 $6M $50.30 $227K +434 +0.4%
46 OKTA 0.44% 72,779 $6M $78.70 $461K +11,861 +19.5%
47 MS 0.44% 34,302 $6M $164.57 -$593K -840 -2.4%
48 LILA 0.41% 613,417 $5M $8.64 -$306K -145,159 -19.1%
49 FWONA 0.40% 66,594 $5M $78.07 -$810K -645 -1.0%
50 EL 0.39% 70,764 $5M $71.76 -$2M +1,096 +1.6%
51 SYK 0.39% 15,307 $5M $328.54 -$350K — —
52 VIG 0.36% 21,632 $5M $215.05 -$114K -55 -0.2%
53 LLYVA 0.35% 49,387 $5M $91.62 $650K +1,840 +3.9%
54 BAC 0.35% 92,484 $5M $48.74 -$578K — —
55 C 0.35% 39,641 $4M $113.39 -$130K — —
56 IBM 0.32% 16,788 $4M $242.38 -$903K — —
57 MIDD 0.30% 29,100 $4M $132.58 -$2M -12,700 -30.4%
58 IVW 0.30% 33,695 $4M $113.10 -$342K — —
59 TJX 0.27% 22,106 $4M $159.69 $96K -255 -1.1%
60 WAT 0.26% 11,417 $3M $297.71 -$761K +463 +4.2%
61 LBRDA 0.26% 66,827 $3M $50.22 $113K -345 -0.5%
62 VGK 0.26% 40,000 $3M $82.43 -$47K — —
63 PG 0.23% 20,418 $3M $144.43 -$150K -1,211 -5.6%
64 FSLR 0.22% 14,596 $3M $197.25 -$884K +190 +1.3%
65 WFC 0.22% 35,649 $3M $79.61 -$484K — —
66 LBTYA 0.21% 220,943 $3M $12.09 $194K -1,470 -0.7%
67 RBRK 0.20% 53,612 $3M $48.96 -$1M — —
68 MCD 0.20% 8,445 $3M $310.72 $43K — —
69 DHR 0.19% 13,189 $2M $189.55 -$519K — —
70 RRC 0.19% 53,500 $2M $45.18 $549K +500 +0.9%
71 IAC 0.18% 59,425 $2M $40.02 -$336K -10,000 -14.4%
72 ISRG 0.18% 5,121 $2M $460.85 -$540K — —
73 VEU 0.18% 31,256 $2M $75.09 $48K — —
74 ILMN 0.17% 18,000 $2M $123.22 -$142K — —
75 AXP 0.15% 6,386 $2M $302.38 -$431K — —
76 CTSH 0.14% 28,935 $2M $61.34 -$1M -10,000 -25.7%
77 LECO 0.14% 7,000 $2M $249.00 $66K — —
78 CW 0.13% 2,372 $2M $680.86 $308K — —
79 EOG 0.12% 10,835 $2M $144.53 $682K +2,415 +28.7%
80 LOW 0.12% 6,503 $2M $236.20 -$8K +100 +1.6%
81 IAU 0.12% 17,174 $2M $88.16 $120K — —
82 SCJ 0.11% 15,000 $1M $97.07 $79K — —
83 PFE 0.11% 50,218 $1M $28.08 $79K -3,270 -6.1%
84 INSM 0.11% 8,300 $1M $163.49 -$87K — —
85 HUM 0.10% 7,351 $1M $173.31 -$784K -687 -8.6%
86 KMB 0.09% 11,914 $1M $96.44 -$53K — —
87 SONY 0.09% 55,000 $1M $20.69 -$270K — —
88 AGCO 0.08% 9,325 $1M $115.82 $108K — —
89 IWD 0.08% 5,050 $1M $213.66 $17K — —
90 MRVL 0.08% 10,573 $1M $99.03 $149K — —
91 RBLX 0.07% 16,940 $958K $56.55 -$414K — —
92 WMT 0.07% 7,512 $933K $124.20 $97K — —
93 VTI 0.07% 2,882 $924K $320.61 -$42K — —
94 IVE 0.07% 4,350 $918K $211.03 -$4K — —
95 T 0.07% 29,034 $841K $28.97 $120K — —
96 BATRK 0.06% 19,565 $835K $42.68 $45K -473 -2.4%
97 IWR 0.06% 8,344 $811K $97.20 $8K — —
98 KO 0.06% 10,236 $778K $76.01 $63K — —
99 CET 0.06% 15,469 $768K $49.65 -$16K -4 -0.0%
100 MTD 0.06% 600 $756K $1,260.00 -$80K — —

New Positions

SymbolValue% Port
CSX $221K 0.02%
CL $204K 0.02%

Sold Out Positions

SymbolValue% Port
FICO — —%
LKQ — —%
View SEC EDGAR Filings for S&CO INC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms