Latest S&CO INC Stock Portfolio
S&CO INC Performance:
2025 Q3: 4.05%YTD: 6.25%2024: 6.02%
Performance for 2025 Q3 is 4.05%, and YTD is 6.25%, and 2024 is 6.02%.
About S&CO INC and 13F Hedge Fund Stock Holdings
In it's latest 13F Holdings report, S&CO INC reported an equity portfolio of $1.6 Billions as of 30 Sep, 2025.
The top stock holdings of S&CO INC are MSFT, , ECL. The fund has invested 5.3% of it's portfolio in MICROSOFT CORP and 5.1% of portfolio in BERKSHIRE HATHAWAY INC CL B.
The fund managers got completely rid off SUNRISE COMMUNICAT-CL A, BLUEPRINT MEDICINES CORP (BPMC) and ELEVANCE HEALTH INC (ELV) stocks. They significantly reduced their stock positions in AKAMAI TECHNOLOGIES (AKAM), MONDELEZ INTERNATIONAL INC COM (MDLZ) and MIDDLEBY CORPORATION (MIDD). S&CO INC opened new stock positions in SUNRISE COMMUNICAT-CL A, ORACLE CORP COM (ORCL) and A. O. SMITH (AOS). The fund showed a lot of confidence in some stocks as they added substantially to RUBRIK INC A, TRAVERE THERAPEUTICS, INC. (TVTX) and OKTA, INC. (OKTA).
The top stock holdings of S&CO INC are MSFT, , ECL. The fund has invested 5.3% of it's portfolio in MICROSOFT CORP and 5.1% of portfolio in BERKSHIRE HATHAWAY INC CL B.
The fund managers got completely rid off SUNRISE COMMUNICAT-CL A, BLUEPRINT MEDICINES CORP (BPMC) and ELEVANCE HEALTH INC (ELV) stocks. They significantly reduced their stock positions in AKAMAI TECHNOLOGIES (AKAM), MONDELEZ INTERNATIONAL INC COM (MDLZ) and MIDDLEBY CORPORATION (MIDD). S&CO INC opened new stock positions in SUNRISE COMMUNICAT-CL A, ORACLE CORP COM (ORCL) and A. O. SMITH (AOS). The fund showed a lot of confidence in some stocks as they added substantially to RUBRIK INC A, TRAVERE THERAPEUTICS, INC. (TVTX) and OKTA, INC. (OKTA).
S&CO INC Annual Return Estimates Vs S&P 500
Our best estimate is that S&CO INC made a return of 4.05% in the last quarter. In trailing 12 months, it's portfolio return was 3.26%.
New Buys
| Ticker | $ Bought |
|---|---|
| sunrise communicat-cl a | 2,806,000 |
| gci liberty, inc. class c | 1,121,000 |
| oracle corp com | 442,000 |
| gci liberty, inc. class a | 387,000 |
| a. o. smith | 219,000 |
| corning inc com | 209,000 |
| principal financial group inc | 207,000 |
New stocks bought by S&CO INC
Additions
| Ticker | % Inc. |
|---|---|
| rubrik inc a | 102 |
| travere therapeutics, inc. | 100 |
| okta, inc. | 70.22 |
| eli lilly & co com | 65.52 |
| antero resources corp | 57.04 |
| revolution medicines inc | 56.45 |
| gfl environmental | 53.69 |
| paypal holdings inc | 45.33 |
Additions to existing portfolio by S&CO INC
Reductions
| Ticker | % Reduced |
|---|---|
| akamai technologies | -87.67 |
| mondelez international inc com | -68.42 |
| middleby corporation | -37.41 |
| cisco systems inc com | -33.69 |
| franklin resources inc | -33.34 |
| kimberly-clark corp com | -32.33 |
| cognizant technology solutions | -20.1 |
| mp materials corp class a | -18.75 |
S&CO INC reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| net power inc | -464,000 |
| sunrise communicat-cl a | -2,711,000 |
| blueprint medicines corp | -1,538,000 |
| schlumberger ltd nv com | -307,000 |
| colgate-palmolive co com | -218,000 |
| elevance health inc | -751,000 |
| monday.com | -234,000 |
| fair isaac corp com | -237,000 |
S&CO INC got rid off the above stocks
Sector Distribution
S&CO INC has about 22.5% of it's holdings in Others sector.
| Sector | % |
|---|---|
| Others | 22.5 |
| Healthcare | 15.3 |
| Technology | 14.6 |
| Industrials | 10.7 |
| Basic Materials | 10.2 |
| Financial Services | 5.5 |
| Energy | 5.5 |
| Consumer Defensive | 5.2 |
| Consumer Cyclical | 4.9 |
| Communication Services | 4.8 |
Market Cap. Distribution
S&CO INC has about 69.8% of it's portfolio invested in the large-cap and mega-cap stocks.
| Category | % |
|---|---|
| LARGE-CAP | 38.3 |
| MEGA-CAP | 31.5 |
| UNALLOCATED | 22.5 |
| MID-CAP | 7.7 |
Stocks belong to which Index?
About 74.4% of the stocks held by S&CO INC either belong to S&P 500 or RUSSELL 2000 index.
| Index | % |
|---|---|
| S&P 500 | 69.1 |
| Others | 25.6 |
| RUSSELL 2000 | 5.3 |
S&CO INC Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of S&CO INC
S&CO INC has 222 stocks in it's portfolio. About 37.2% of the portfolio is in top 10 stocks. CHD proved to be the most loss making stock for the portfolio. AAPL was the most profitable stock for S&CO INC last quarter.
Last Reported on: 06 Nov, 2025| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| A | agilent technologies inc com | 0.14 | 17,674 | 2,268,000 | unchanged | 0.00 | ||
| AAPL | apple inc | 3.63 | 233,109 | 59,356,000 | reduced | -7.15 | ||
| ABBV | abbvie inc | 0.09 | 6,092 | 1,410,000 | unchanged | 0.00 | ||
| ABNB | airbnb inc a | 0.46 | 62,355 | 7,571,000 | unchanged | 0.00 | ||
| ABT | abbott labs | 1.87 | 227,973 | 30,534,000 | reduced | -6.94 | ||
| ACWV | ishares msci japan small cap e | 0.08 | 15,000 | 1,380,000 | unchanged | 0.00 | ||
| ADBE | adobe inc | 0.08 | 3,887 | 1,371,000 | unchanged | 0.00 | ||
| ADI | analog devices inc com | 0.37 | 24,789 | 6,090,000 | unchanged | 0.00 | ||
| ADP | automatic data processing inc | 3.70 | 205,914 | 60,435,000 | reduced | -1.11 | ||
| AES | aes corporation | 0.01 | 16,000 | 210,000 | unchanged | 0.00 | ||
| AFK | vaneck gold miners etf | 0.20 | 43,197 | 3,300,000 | unchanged | 0.00 | ||
| AFL | aflac inc com | 0.57 | 83,570 | 9,334,000 | reduced | -0.83 | ||
| AGCO | agco corp com | 0.06 | 9,325 | 998,000 | reduced | -16.99 | ||
| AGZD | wisdomtree japan hedged equity | 0.16 | 20,000 | 2,560,000 | unchanged | 0.00 | ||
| AKAM | akamai technologies | 0.03 | 5,427 | 411,000 | reduced | -87.67 | ||
| ALGN | align technology inc | 0.02 | 2,093 | 262,000 | unchanged | 0.00 | ||
| ALKS | alkermes plc | 0.37 | 201,210 | 6,036,000 | reduced | -8.78 | ||
| ALNY | alnylam pharmaceuticals inc | 0.23 | 8,200 | 3,739,000 | reduced | -18.41 | ||
| AMGN | amgen inc com | 0.01 | 834 | 235,000 | unchanged | 0.00 | ||
| AMZN | amazon.com inc | 2.54 | 189,089 | 41,518,000 | added | 9.66 | ||