S&Co Inc Portfolio Holdings

S&Co Inc

  • $1.63 Billion
  • Q3 2025

S&Co Inc has filed its 13F form on November 06, 2025 for Q3 2025 where it was disclosed a total value porftolio of $1.63 Billion distributed in 222 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Microsoft Corp with a value of $86.8M, Berkshire Hathaway Inc Class B with a value of $82.9M, Ecolab Inc. with a value of $62.6M, Exxon Mobil Corp with a value of $60.4M, and Automatic Data Processing Inc with a value of $60.4M.

Examining the 13F form we can see an increase of $74M in the current position value, from $1.56B to 1.63B.

S&Co Inc is based out at Boston, MA

Below you can find more details about S&Co Inc portfolio as well as his latest detailed transactions.

Portfolio value $1.63 Billion
Healthcare: $253 Million
Technology: $240 Million
Financial Services: $183 Million
Industrials: $183 Million
Basic Materials: $155 Million
Energy: $132 Million
Communication Services: $130 Million
Consumer Defensive: $84.5 Million
Other: $166 Million

Stock Holdings Table Companies Only

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$19B
$1.71 Million 0.1% of portfolio
18,000
Q3 2025 Added 12.5%
$10.6B
$1.39 Million 0.09% of portfolio
5,500
Q3 2024 Added 10.0%
$35.1B
$1.48 Million 0.09% of portfolio
11,914
Q3 2025 Reduced 32.33%
$414B
$1.41 Million 0.09% of portfolio
6,092
Q1 2025 Added 247.32%
$141B
$1.41 Million 0.09% of portfolio
55,394
Q3 2025 Reduced 3.91%
$151B
$1.37 Million 0.08% of portfolio
3,887
Q1 2024 Reduced 5.36%
$2.21B
$1.34 Million 0.08% of portfolio
56,000
Q3 2025 Added 100.0%
$21.2B
$1.29 Million 0.08% of portfolio
2,372
Q1 2019 New
$55.6B
$1.22 Million 0.07% of portfolio
8,316
Q3 2025 Reduced 14.23%
$11B
$1.08 Million 0.07% of portfolio
46,495
Q3 2025 Reduced 33.34%
$26.2B
$1.2 Million 0.07% of portfolio
8,300
Q2 2025 New
$132B
$1.17 Million 0.07% of portfolio
5,562
Q3 2025 Added 0.09%
$5.94B
$1.04 Million 0.06% of portfolio
22,171
Q3 2025 Added 56.45%
$7.79B
$998,000 0.06% of portfolio
9,325
Q3 2025 Reduced 16.99%
$9.31B
$907,000 0.06% of portfolio
39,855
Q1 2024 Added 17.72%
$13.9B
$982,000 0.06% of portfolio
7,000
Q2 2025 Added 40.0%
$2.44B
$1.02 Million 0.06% of portfolio
19,870
Q3 2025 Reduced 2.43%
$2.61B
$1.05 Million 0.06% of portfolio
42,000
Q1 2024 New
$279B
$774,000 0.05% of portfolio
7,512
Q1 2025 Added 0.16%
$2.32B
$759,000 0.05% of portfolio
25,255
Q2 2025 Added 24.69%
$20B
$845,000 0.05% of portfolio
10,000
Q3 2024 New
$96.9B
$793,000 0.05% of portfolio
1,880
Q2 2024 Reduced 4.08%
$181B
$818,000 0.05% of portfolio
28,987
Q2 2025 Reduced 21.74%
$28.1B
$788,000 0.05% of portfolio
15,646
Q2 2024 Reduced 36.48%
$64.7B
$830,000 0.05% of portfolio
7,405
Q3 2025 Added 4.22%
$73.7B
$888,000 0.05% of portfolio
10,573
Q4 2021 New
$1.33B
$757,000 0.05% of portfolio
14,749
Q1 2025 Reduced 8.05%
$38.1B
$834,000 0.05% of portfolio
11,196
Q3 2025 Reduced 0.74%
$31.6B
$736,000 0.05% of portfolio
600
Q2 2025 Added 20.0%
$19.3B
$835,000 0.05% of portfolio
8,966
Q4 2024 Added 100.0%
$11B
$588,000 0.04% of portfolio
5,890
Q4 2024 Added 3.51%
$21.2B
$599,000 0.04% of portfolio
1,431
Q1 2025 New
$306B
$678,000 0.04% of portfolio
10,236
Q3 2025 Reduced 4.3%
$237B
$672,000 0.04% of portfolio
2,839
Q1 2025 New
$14.4B
$411,000 0.03% of portfolio
5,427
Q3 2025 Reduced 87.67%
$163B
$485,000 0.03% of portfolio
675
Q2 2025 New
$139B
$410,000 0.03% of portfolio
1,245
Q3 2025 Reduced 11.07%
$41B
$569,000 0.03% of portfolio
3,000
Q4 2017 New
$593B
$442,000 0.03% of portfolio
1,575
Q3 2025 New
$10.4B
$435,000 0.03% of portfolio
6,500
Q3 2025 Reduced 18.75%
$4.44B
$411,000 0.03% of portfolio
3,300
Q4 2023 New
$74.3B
$562,000 0.03% of portfolio
2,800
Q2 2023 Added 7.69%
$2.79B
$568,000 0.03% of portfolio
2,685
Q2 2024 Reduced 17.38%
$11B
$344,000 0.02% of portfolio
1,000
Q4 2023 New
$19B
$328,000 0.02% of portfolio
1,600
Q2 2025 Reduced 11.11%
$11.1B
$278,000 0.02% of portfolio
1,200
Q3 2023 New
$8.39B
$296,000 0.02% of portfolio
10,000
Q3 2024 Reduced 23.08%
$10.7B
$262,000 0.02% of portfolio
2,093
Q1 2025 New
$8.19B
$376,000 0.02% of portfolio
8,000
Q2 2023 New

Summary

  • Portfolio
  • No. of Stocks 222
  • Current Value $1.63 Billion
  • Prior Value $1.56 Billion
  • Filing
  • Period Q3 2025
  • Filing Date November 06, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 7 stocks
  • Additional Purchases 29 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 74 stocks
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