— Know what they know.
Not Investment Advice
Asset Manager ← All Institutions

S&CO INC

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

Q4 2025 · Filed 2026-02-05
Market Value
$1.3B
-1.6%
Holdings
152
-1
New Purchases
5
Added To
20
Closed
7
Reduced
51
Top 10 Concentration
46.1%
Turnover
7.9%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
LLYVK 1.13% 0.00% +1.13% $15M
GOOG 2.85% 2.18% +0.67% $37M
CAT 4.64% 4.04% +0.60% $60M
GOOGL 2.29% 1.76% +0.53% $30M
LLY 1.67% 1.16% +0.51% $22M
AAPL 4.87% 4.49% +0.38% $63M
TMO 1.87% 1.55% +0.31% $24M
XONA.DE 4.87% 4.57% +0.30% $63M
LLYVA 0.30% 0.00% +0.30% $4M
JNJ 2.52% 2.23% +0.29% $33M
V 0.85% 0.60% +0.25% $11M
AMZN 3.38% 3.14% +0.24% $44M
RPRX 1.06% 0.96% +0.11% $14M
EL 0.56% 0.47% +0.09% $7M
AR 1.27% 1.18% +0.09% $17M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
MOS 1.80% 2.82% -1.02% $23M
FMC 0.00% 0.94% -0.94% $0
CCJ 2.51% 3.28% -0.78% $33M
ADP 4.01% 4.57% -0.56% $52M
OXY 0.00% 0.38% -0.38% $0
PROSY 2.40% 2.72% -0.33% $31M
LBRDK 0.45% 0.76% -0.30% $6M
CHTR 0.07% 0.29% -0.23% $864K
LILA 0.43% 0.62% -0.19% $6M
SIRI 1.08% 1.25% -0.17% $14M
APD 1.79% 1.96% -0.17% $23M
MSFT 6.40% 6.57% -0.16% $83M
ECL 4.58% 4.73% -0.15% $60M
CHD 4.15% 4.30% -0.15% $54M
LILAK 0.16% 0.31% -0.15% $2M

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 $657M 50.5%
Large Cap 83 $534M 41.0%
Mid Cap 25 $107M 8.2%
Small Cap 7 $2M 0.2%
Micro Cap 1 $1M 0.1%

Portfolio Analytics

Avg Market Cap
$272.4B
Median Market Cap
$59.6B
Avg P/E
34.2
Median P/E
24.6
Avg Dividend Yield
0.02%
Avg Beta
0.93
# Stocks
136
# ETFs / Funds
16

Top Holdings (152 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 MSFT 6.40% 172,297 $83M $483.62 -$4M +4,660 +2.8%
2 BRK-B 6.34% 164,230 $83M $502.65 -$384K -734 -0.4%
3 XONA.DE 4.87% 526,898 $63M $120.34 $3M -8,838 -1.6%
4 AAPL 4.87% 232,949 $63M $271.86 $4M -160 -0.1%
5 CAT 4.64% 105,396 $60M $572.87 $7M -6,682 -6.0%
6 ECL 4.58% 227,070 $60M $262.52 -$3M -1,485 -0.7%
7 CHD 4.15% 644,488 $54M $83.85 -$3M -4,897 -0.8%
8 ADP 4.01% 202,743 $52M $257.23 -$8M -3,171 -1.5%
9 AMZN 3.38% 190,573 $44M $230.82 $2M +1,484 +0.8%
10 GOOG 2.85% 118,183 $37M $313.79 $8M +85 +0.1%
11 JNJ 2.52% 158,298 $33M $206.95 $3M -465 -0.3%
12 CCJ 2.51% 356,326 $33M $91.49 -$11M -161,145 -31.1%
13 PROSY 2.40% 2,511,156 $31M $12.41 -$5M -43,874 -1.7%
14 GOOGL 2.29% 95,307 $30M $313.00 $7M -389 -0.4%
15 ABT 2.18% 226,710 $28M $125.29 -$2M -1,263 -0.6%
16 TMO 1.87% 41,979 $24M $579.43 $4M -410 -1.0%
17 MOS 1.80% 973,872 $23M $24.09 -$14M -101,946 -9.5%
18 APD 1.79% 94,067 $23M $247.02 -$3M -730 -0.8%
19 LLY 1.67% 20,209 $22M $1,074.67 $6M +181 +0.9%
20 PYPL 1.55% 345,655 $20M $58.38 -$2M +14,154 +4.3%
21 AR 1.27% 479,399 $17M $34.46 $935K +15,001 +3.2%
22 BSX 1.25% 170,881 $16M $95.35 -$623K -2,395 -1.4%
23 UNP 1.23% 69,353 $16M $231.31 -$473K -518 -0.7%
24 FUL 1.20% 262,956 $16M $59.46 -$14K -1,030 -0.4%
25 PANW 1.18% 83,346 $15M $184.20 -$2M +92 +0.1%
26 LLYVK 1.13% 176,571 $15M $83.16 — +176,571 — NEW
27 SIRI 1.08% 701,442 $14M $19.99 -$3M -10,027 -1.4%
28 RPRX 1.06% 358,377 $14M $38.64 $1M +140 +0.0%
29 FWONK 0.93% 122,543 $12M $98.50 -$765K -354 -0.3%
30 PEP 0.91% 82,282 $12M $143.52 $101K -1,085 -1.3%
31 GE 0.89% 37,485 $12M $308.02 $246K -80 -0.2%
32 LIN 0.85% 26,052 $11M $426.38 -$1M +201 +0.8%
33 V 0.85% 31,498 $11M $350.69 $3M +8,163 +35.0%
34 ROL 0.72% 156,393 $9M $60.02 $200K — —
35 MA 0.72% 16,399 $9M $570.83 -$64K -172 -1.0%
36 AFL 0.71% 83,570 $9M $110.27 -$119K — —
37 APO 0.70% 62,880 $9M $144.75 -$610K -10,000 -13.7%
38 ABNB 0.65% 62,355 $8M $135.71 $891K — —
39 EL 0.56% 69,668 $7M $104.71 $1M -533 -0.8%
40 HD 0.55% 20,887 $7M $344.09 -$1M +81 +0.4%
41 ADI 0.52% 24,789 $7M $271.17 $632K — —
42 VWO 0.48% 116,943 $6M $53.75 -$4K +835 +0.7%
43 MS 0.48% 35,142 $6M $177.51 $636K -100 -0.3%
44 MIDD 0.48% 41,800 $6M $148.66 $655K -25 -0.1%
45 FWONA 0.46% 67,239 $6M $89.37 -$410K -178 -0.3%
46 LBRDK 0.45% 120,600 $6M $48.60 -$4M -36,531 -23.2%
47 LILA 0.43% 758,576 $6M $7.39 -$3M -224,650 -22.9%
48 SYK 0.41% 15,307 $5M $351.41 -$303K -65 -0.4%
49 OKTA 0.40% 60,918 $5M $86.46 -$184K +1,467 +2.5%
50 BAC 0.39% 92,484 $5M $54.99 $315K — —
51 IBM 0.38% 16,788 $5M $296.16 $236K — —
52 VIG 0.37% 21,687 $5M $219.76 -$211K -1,380 -6.0%
53 CVX 0.36% 30,679 $5M $152.38 -$249K -1,031 -3.2%
54 C 0.36% 39,641 $5M $116.67 $602K — —
55 INTU 0.35% 6,938 $5M $662.29 $669K +1,188 +20.7%
56 WAT 0.32% 10,954 $4M $379.77 $837K -130 -1.2%
57 IVW 0.32% 33,695 $4M $123.25 $86K — —
58 RBRK 0.32% 53,612 $4M $76.48 -$309K — —
59 LLYVA 0.30% 47,547 $4M $81.50 — +47,547 — NEW
60 FSLR 0.29% 14,406 $4M $261.21 $587K — —
61 TJX 0.26% 22,361 $3M $153.57 -$46K -1,720 -7.1%
62 VGK 0.26% 40,000 $3M $83.60 $152K — —
63 WFC 0.26% 35,649 $3M $93.19 -$330K -7,929 -18.2%
64 LBRDA 0.25% 67,172 $3M $48.28 -$2M -13,667 -16.9%
65 CTSH 0.25% 38,935 $3M $82.98 $566K -805 -2.0%
66 PG 0.24% 21,629 $3M $143.28 -$224K — —
67 DHR 0.23% 13,189 $3M $228.90 $405K — —
68 ISRG 0.22% 5,121 $3M $566.30 $610K — —
69 RHHBY 0.21% 53,444 $3M $51.77 $638K +1,290 +2.5%
70 IAC 0.21% 69,425 $3M $39.09 $349K — —
71 MCD 0.20% 8,445 $3M $305.62 $15K — —
72 LBTYA 0.19% 222,413 $2M $11.14 -$161K -7,830 -3.4%
73 AXP 0.18% 6,386 $2M $369.87 $241K — —
74 ILMN 0.18% 18,000 $2M $131.11 $651K — —
75 VEU 0.18% 31,256 $2M $73.55 $69K — —
76 LILAK 0.16% 282,861 $2M $7.46 -$2M -202,487 -41.7%
77 HUM 0.16% 8,038 $2M $256.03 -$59K -100 -1.2%
78 RRC 0.14% 53,000 $2M $35.25 -$326K -5,300 -9.1%
79 LECO 0.13% 7,000 $2M $239.57 $27K — —
80 LOW 0.12% 6,403 $2M $241.14 -$55K +40 +0.6%
81 INSM 0.11% 8,300 $1M $173.98 $249K — —
82 SONY 0.11% 55,000 $1M $25.60 -$175K — —
83 IAU 0.11% 17,174 $1M $81.17 $145K — —
84 SCJ 0.11% 15,000 $1M $91.80 -$3K — —
85 RBLX 0.11% 16,940 $1M $80.99 -$974K — —
86 PFE 0.10% 53,488 $1M $24.88 -$80K -1,906 -3.4%
87 CW 0.10% 2,372 $1M $551.01 $20K — —
88 KMB 0.09% 11,914 $1M $100.89 -$279K — —
89 BEN 0.09% 46,495 $1M $23.87 $35K — —
90 IWD 0.08% 5,050 $1M $210.30 $34K — —
91 AGCO 0.07% 9,325 $972K $104.24 -$26K — —
92 VTI 0.07% 2,882 $966K $335.18 $21K — —
93 IVE 0.07% 4,350 $922K $211.95 $24K — —
94 MRVL 0.07% 10,573 $898K $84.93 $10K — —
95 EOG 0.07% 8,420 $884K $104.99 $54K +1,015 +13.7%
96 CHTR 0.07% 4,143 $864K $208.54 -$3M -10,020 -70.8%
97 MTD 0.06% 600 $836K $1,393.33 $100K — —
98 WMT 0.06% 7,512 $836K $111.29 $62K — —
99 KMPR 0.06% 19,870 $805K $40.51 -$219K — —
100 IWR 0.06% 8,344 $803K $96.24 -$2K — —

New Positions

SymbolValue% Port
LLYVK $15M 1.13%
LLYVA $4M 0.30%
ORA $220K 0.02%
FICO $219K 0.02%
CFG $204K 0.02%

Sold Out Positions

SymbolValue% Port
AOS — —%
BAX — —%
OXY — —%
FMC — —%
ALGN — —%
MDLZ — —%
PAYX — —%
View SEC EDGAR Filings for S&CO INC →

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

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