Latest S&CO INC Stock Portfolio
$1.61Billion– No. of Holdings #218
S&CO INC Performance:
2026 Q1: -1.23%YTD: -1.23%2025: 11.97%
Performance for 2026 Q1 is -1.23%, and YTD is -1.23%, and 2025 is 11.97%.
About S&CO INC and 13F Hedge Fund Stock Holdings
On 2026-05-07, the fund reported it's updated stock portfolio. In the 13F Holdings report, S&CO INC reported an equity portfolio of $1.6 Billions as of 31 Mar, 2026.
The top stock holdings of S&CO INC are XOM, , MSFT. The fund has invested 5.5% of it's portfolio in EXXON MOBIL CORP and 4.9% of portfolio in BERKSHIRE HATHAWAY INC CL B.
The fund managers got completely rid off CANADIAN PACIFIC KANSAS CITY L (CP), FAIR ISAAC CORP COM (FICO) and XYLEM INC. (XYL) stocks. They significantly reduced their stock positions in LIBERTY LATIN AMERICA-CL C (LILA), CHARTER COMMUNICATIONS INC (CHTR) and FRANKLIN RESOURCES INC (BEN). S&CO INC opened new stock positions in ASTRAZENECA PLC, TRANSOCEAN LTD (RIG) and CSX CORP COM (CSX). The fund showed a lot of confidence in some stocks as they added substantially to GCI LIBERTY, INC. CLASS C, INTUIT, INC. (INTU) and MONDAY.COM (MNDY).
The top stock holdings of S&CO INC are XOM, , MSFT. The fund has invested 5.5% of it's portfolio in EXXON MOBIL CORP and 4.9% of portfolio in BERKSHIRE HATHAWAY INC CL B.
The fund managers got completely rid off CANADIAN PACIFIC KANSAS CITY L (CP), FAIR ISAAC CORP COM (FICO) and XYLEM INC. (XYL) stocks. They significantly reduced their stock positions in LIBERTY LATIN AMERICA-CL C (LILA), CHARTER COMMUNICATIONS INC (CHTR) and FRANKLIN RESOURCES INC (BEN). S&CO INC opened new stock positions in ASTRAZENECA PLC, TRANSOCEAN LTD (RIG) and CSX CORP COM (CSX). The fund showed a lot of confidence in some stocks as they added substantially to GCI LIBERTY, INC. CLASS C, INTUIT, INC. (INTU) and MONDAY.COM (MNDY).
S&CO INC Equity Portfolio Value
Last Reported on: 07 May, 2026
S&CO INC Annual Return Estimates Vs S&P 500
Our best estimate is that S&CO INC made a return of -1.23% in the last quarter. In trailing 12 months, it's portfolio return was 10.61%.
- Performance
- S&P 500
New Buys
| Ticker | $ Bought |
|---|---|
| astrazeneca plc | 9,832,000 |
| transocean ltd | 298,000 |
| csx corp com | 221,000 |
| colgate-palmolive co com | 204,000 |
New stocks bought by S&CO INC
Additions
| Ticker | % Inc. |
|---|---|
| gci liberty, inc. class c | 196 |
| roche holding ltd sponsored ad | 162 |
| intuit, inc. | 109 |
| monday.com | 68.95 |
| mastercard inc - a | 30.99 |
| paypal holdings inc | 28.82 |
| eog resources inc | 28.68 |
| alkermes plc | 21.31 |
Additions to existing portfolio by S&CO INC
Reductions
| Ticker | % Reduced |
|---|---|
| liberty latin america-cl c | -75.64 |
| charter communications inc | -72.77 |
| franklin resources inc | -50.01 |
| middleby corporation | -30.38 |
| cognizant technology solutions | -25.68 |
| bloom energy corporation class | -20.00 |
| liberty latin america-cl a | -19.14 |
| sirius xm holdings inc | -17.11 |
S&CO INC reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| canadian pacific kansas city l | -1,030,000 |
| lkq corp com | -217,000 |
| xylem inc. | -217,000 |
| fair isaac corp com | -219,000 |
S&CO INC got rid off the above stocks
Sector Distribution
S&CO INC has about 21.8% of it's holdings in Others sector.
- Others
- Healthcare
- Technology
- Industrials
- Basic Materials
- Energy
- Financial Services
- Consumer Defensive
- Consumer Cyclical
- Communication Services
| Sector | % |
|---|---|
| Others | 21.8 |
| Healthcare | 16.4 |
| Technology | 13.2 |
| Industrials | 10.5 |
| Basic Materials | 8.8 |
| Energy | 7.9 |
| Financial Services | 5.7 |
| Consumer Defensive | 5.4 |
| Consumer Cyclical | 4.8 |
| Communication Services | 4.7 |
Market Cap. Distribution
S&CO INC has about 73.2% of it's portfolio invested in the large-cap and mega-cap stocks.
- MEGA-CAP
- LARGE-CAP
- UNALLOCATED
- MID-CAP
| Category | % |
|---|---|
| MEGA-CAP | 40.9 |
| LARGE-CAP | 32.3 |
| UNALLOCATED | 21.8 |
| MID-CAP | 4.5 |
Stocks belong to which Index?
About 73.6% of the stocks held by S&CO INC either belong to S&P 500 or RUSSELL 2000 index.
- S&P 500
- Others
- RUSSELL 2000
| Index | % |
|---|---|
| S&P 500 | 69.8 |
| Others | 26.4 |
| RUSSELL 2000 | 3.8 |
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 218 stocks in it's portfolio. About 38.5% of the portfolio is in top 10 stocks. MSFT proved to be the most loss making stock for the portfolio. XOM was the most profitable stock for S&CO INC last quarter.
Last Reported on: 07 May, 2026| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| A | agilent technologies inc com | 0.12 | 17,674 | 2,014,000 | unchanged | 0.00 | ||
| AAPL | apple inc | 3.66 | 232,357 | 58,969,000 | reduced | -0.25 | ||
| ABBV | abbvie inc | 0.08 | 5,857 | 1,273,000 | reduced | -3.86 | ||
| ABNB | airbnb inc a | 0.49 | 62,355 | 7,874,000 | unchanged | 0.00 | ||
| ABT | abbott labs | 1.27 | 199,720 | 20,505,000 | reduced | -11.91 | ||
| ACWV | ishares msci japan small cap e | 0.09 | 15,000 | 1,456,000 | unchanged | 0.00 | ||
| ADBE | adobe inc | 0.06 | 3,887 | 944,000 | unchanged | 0.00 | ||
| ADI | analog devices inc com | 0.49 | 24,789 | 7,886,000 | unchanged | 0.00 | ||
| ADP | automatic data processing inc | 2.55 | 201,978 | 41,037,000 | reduced | -0.38 | ||
| AES | aes corporation | 0.01 | 17,000 | 239,000 | unchanged | 0.00 | ||
| AFK | vaneck gold miners etf | 0.24 | 42,589 | 3,908,000 | unchanged | 0.00 | ||
| AFL | aflac inc com | 0.57 | 83,570 | 9,168,000 | unchanged | 0.00 | ||
| AGCO | agco corp com | 0.07 | 9,325 | 1,080,000 | unchanged | 0.00 | ||
| AGZD | wisdomtree japan hedged equity | 0.20 | 20,000 | 3,171,000 | unchanged | 0.00 | ||
| ALC | alcon inc. | 0.05 | 11,196 | 843,000 | unchanged | 0.00 | ||
| ALKS | alkermes plc | 0.54 | 244,760 | 8,654,000 | added | 21.31 | ||
| ALNY | alnylam pharmaceuticals inc | 0.15 | 7,400 | 2,448,000 | reduced | -9.76 | ||
| AMGN | amgen inc com | 0.02 | 834 | 293,000 | unchanged | 0.00 | ||
| AMZN | amazon.com inc | 2.55 | 197,153 | 41,061,000 | added | 3.45 | ||
| APD | air products & chemicals inc c | 1.70 | 94,428 | 27,430,000 | added | 0.38 | ||