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Super Investors S&CO INC
S

S&CO INC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.73B
Positions
222
Quarter ended
June 30, 2026
Filed
August 06, 2026

Reported portfolio value by quarter (53 quarters reported)

$1.73B $570M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$658M in Q2 2013 → $1.73B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Caterpillar Inc. 5.8% Trimmed 4.8% 94,076 $100M
BH Berkshire Hathaway Inc Cl B 4.7% Unchanged 164,075 $82.1M
Microsoft Corp 4.3% Added 4.3% 198,340 $74M
Exxonmobil Holdings Corp 4.2% New 526,003 $71.9M
Apple Inc 3.7% Trimmed 5.0% 220,707 $63.9M
Church & Dwight Co Inc 3.6% Trimmed 0.1% 649,655 $62.9M
Ecolab Inc 3.6% Trimmed 0.1% 225,862 $62.9M
Merck & Co Inc 3.2% Unchanged 425,528 $54.7M
Amazon.com Inc 2.7% Trimmed 0.1% 196,975 $46.9M
Automatic Data Processing Inc 2.6% Unchanged 201,978 $45.2M
AC Alphabet Inc Class C 2.4% Unchanged 118,113 $41.7M
Johnson & Johnson 2.3% Unchanged 157,098 $39.9M
AC Alphabet Inc Cap Stk Cl A 2.0% Trimmed 0.2% 94,857 $33.9M
Cameco Corp 1.8% Trimmed 4.3% 313,626 $31.9M
Palo Alto Networks Inc 1.8% Added 5.7% 91,852 $31.3M
SG SPDR Gold Trust 1.7% Unchanged 80,565 $29.7M
AP Air Products & Chemicals Inc C 1.6% Added 0.2% 94,594 $27.7M
EL Eli Lilly & Co Com 1.5% Added 3.6% 22,300 $26.7M
Mosaic Company 1.3% Added 8.0% 1,040,723 $22.1M
PN Prosus Nv -spon ADR 1.3% Added 0.1% 2,499,611 $21.7M
TF Thermo Fisher Scientific Inc C 1.2% Trimmed 1.1% 41,387 $20.7M
RP Royalty Pharma PLC Cl A 1.2% Trimmed 0.0% 358,302 $20.1M
Union Pacific Corp 1.1% Unchanged 69,353 $18.9M
Paypal Holdings Inc 1.1% Trimmed 2.1% 436,017 $18.8M
LM Liberty Media Corp-liberty Liv 1.1% Trimmed 1.0% 174,783 $18.5M
UG Unitedhealth Group Inc Com 1.1% Trimmed 0.2% 43,984 $18.3M
Antero Resources Corp 1.0% Added 3.5% 504,602 $17.7M
AL Abbott Labs 1.0% Trimmed 6.6% 186,521 $16.9M
Sirius Xm Holdings Inc 1.0% Trimmed 2.1% 569,206 $16.8M
EC Everpure, Inc. Class A 0.9% Unchanged 190,420 $15M
SS SPDR S&P Biotech ETF 0.9% Added 0.0% 94,310 $14.9M
NC Nvidia Corp Com 0.8% Unchanged 72,156 $14.4M
VC Visa Inc. Cl A 0.8% Added 12% 41,890 $14.4M
H.b. Fuller Co. 0.8% Trimmed 7.4% 241,781 $14.1M
Ge Vernova Inc 0.8% Trimmed 4.2% 11,732 $13.8M
Linde PLC 0.8% Added 0.3% 26,139 $13.6M
GA Ge Aerospace Com (new) 0.8% Trimmed 4.8% 35,671 $13.3M
Alkermes PLC 0.7% Unchanged 244,760 $12.8M
CS Cisco Systems Inc Com 0.7% Trimmed 0.4% 107,126 $12.6M
RH Roche Holding Ltd Sponsored Ad 0.7% Added 64% 230,310 $11.9M
LF Liberty Formula One Ser C 0.7% Unchanged 122,528 $11.7M
M- Mastercard Inc - A 0.7% Added 4.1% 22,358 $11.5M
Gfl Environmental 0.6% Added 44% 293,524 $10.8M
Pepsico Inc 0.6% Trimmed 1.7% 75,677 $10.2M
AC Aflac Inc Com 0.6% Unchanged 83,570 $9.8M
AD Analog Devices Inc Com 0.5% Trimmed 4.0% 23,789 $9.45M
AA Airbnb Inc A 0.5% Unchanged 62,355 $8.92M
Medtronic PLC 0.5% Unchanged 108,128 $8.46M
VF Vanguard Ftse Emerging Market 0.5% Added 0.7% 132,538 $7.91M
JM Jp Morgan Chase & Co 0.4% Trimmed 2.7% 23,285 $7.62M
Apollo Asset Management Inc. 0.4% Unchanged 62,880 $7.44M
Edwards Lifesciences Corp 0.4% Unchanged 81,497 $7.37M
HD Home Depot Inc Com 0.4% Unchanged 20,887 $7.37M
Boston Scientific Corp 0.4% Unchanged 169,791 $7.25M
MS Morgan Stanley Com 0.4% Trimmed 0.9% 33,987 $7.1M
Astrazeneca PLC 0.4% Trimmed 25% 37,990 $7.1M
RC Rollins Inc Com 0.4% Unchanged 156,393 $6.53M
Chubb Limited 0.4% Unchanged 18,916 $6.45M
Revolution Medicines Inc 0.4% Unchanged 34,171 $6.4M
Diamondback Energy Inc 0.3% Unchanged 32,200 $5.66M

Showing top 60 of 222 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 06, 2026

Company Action Shares changed Value of change % of portfolio
Exxon Mobil Corp Exited −526,003 −$89.2M —
Exxonmobil Holdings Corp New +526,003 +$71.9M 4.2%
Okta, Inc. Trimmed −53,080 −$7.24M 0.2%
Caterpillar Inc. Trimmed −4,751 −$5.06M 5.8%
RH Roche Holding Ltd Sponsored Ad Added +89,759 +$4.63M 0.7%
LL Liberty Latin America-cl A Trimmed −455,659 −$3.57M 0.1%
Digitalbridge Group Inc Trimmed −223,600 −$3.52M —
Apple Inc Trimmed −11,650 −$3.37M 3.7%
Gfl Environmental Added +90,350 +$3.32M 0.6%
Microsoft Corp Added +8,143 +$3.04M 4.3%

Showing the 10 largest of 99 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 07, 2026

Company Action Shares changed Value of change % of portfolio
Astrazeneca PLC New +50,765 +$9.83M 0.6%
Microsoft Corp Added +17,900 +$6.63M 4.4%
CC Caterpillar Inc Com Trimmed −6,569 −$4.65M 4.3%
Paypal Holdings Inc Added +99,615 +$4.51M 1.2%
RH Roche Holding Ltd Sponsored Ad Added +87,107 +$4.26M 0.4%
GL Gci Liberty, Inc. Class C Added +88,777 +$3.3M 0.3%
Intuit, Inc. Added +7,602 +$3.29M 0.4%
Cameco Corp Trimmed −28,752 −$3.12M 2.2%
AL Abbott Labs Trimmed −26,990 −$2.77M 1.3%
Sirius Xm Holdings Inc Trimmed −120,015 −$2.77M 0.8%

Showing the 10 largest of 102 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 05, 2026

Company Action Shares changed Value of change % of portfolio
LM Liberty Media Corp-liberty Liv Exited −177,006 −$17.2M —
Cameco Corp Trimmed −161,145 −$14.7M 2.0%
LM Liberty Media Corp-liberty Liv New +176,571 +$14.7M 0.9%
Fmc Corp Exited −370,806 −$12.5M —
Occidental Petroleum Corp Exited −105,115 −$4.97M —
Diamondback Energy Inc New +31,300 +$4.71M 0.3%
LM Liberty Media Corp-liberty Liv Exited −48,473 −$4.57M —
LM Liberty Media Corp-liberty Liv New +47,547 +$3.88M 0.2%
CC Caterpillar Inc Com Trimmed −6,682 −$3.83M 3.8%
VC Visa Inc. Cl A Added +8,163 +$2.86M 0.7%

Showing the 10 largest of 121 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 06, 2025

Company Action Shares changed Value of change % of portfolio
Paypal Holdings Inc Added +103,397 +$6.93M 1.4%
EL Eli Lilly & Co Com Added +7,928 +$6.05M 0.9%
Antero Resources Corp Added +168,685 +$5.66M 1.0%
Apple Inc Trimmed −17,960 −$4.57M 3.6%
Cameco Corp Trimmed −54,363 −$4.56M 2.7%
CS Cisco Systems Inc Com Trimmed −55,462 −$3.79M 0.5%
Amazon.com Inc Added +16,661 +$3.66M 2.5%
Palo Alto Networks Inc Added +16,950 +$3.45M 1.0%
Middleby Corporation Trimmed −25,000 −$3.32M 0.3%
Akamai Technologies Trimmed −38,600 −$2.92M —

Showing the 10 largest of 118 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 07, 2025

Company Action Shares changed Value of change % of portfolio
SC Sunrise Communicat-cl A Trimmed −80,804 −$4.57M 0.2%
I Iac Inc Trimmed −98,145 −$3.66M 0.2%
Humana Inc. Trimmed −14,558 −$3.56M 0.1%
WB Warner Bros. Discovery, Inc. S Exited −302,466 −$3.25M —
Paypal Holdings Inc Added +40,985 +$3.05M 1.1%
UG Unitedhealth Group Inc Com Added +9,597 +$2.99M 0.9%
Interactive Brokers Group Inc Added +49,390 +$2.74M 0.2%
Gfl Environmental Added +53,030 +$2.68M 0.4%
LL Liberty Latin America-cl A Trimmed −401,112 −$2.45M 0.5%
Charter Communications Inc Added +5,253 +$2.15M 0.4%

Showing the 10 largest of 130 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 08, 2025

Company Action Shares changed Value of change % of portfolio
Exxon Mobil Corp New +550,211 +$65.4M 4.4%
Exxon Mobil Corp Exited −551,475 −$59.3M —
MC Mosaic Co/the New +1,136,423 +$30.7M 2.1%
Mosaic Co Exited −1,132,223 −$27.8M —
PN Prosus Nv -spon ADR New +2,372,442 +$21.8M 1.5%
PN Prosus Nv - Sponsored ADR Exited −2,369,807 −$18.8M —
Antero Resources Corp New +293,788 +$11.9M 0.8%
LL Liberty Latin America Ltd Cl A Exited −1,568,058 −$9.97M —
Antero Resources Corp Exited −283,583 −$9.94M —
LL Liberty Latin America-cl A New +1,551,863 +$9.82M 0.7%

Showing the 10 largest of 137 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 07, 2025

Company Action Shares changed Value of change % of portfolio
Palo Alto Networks Inc Added +33,152 +$6.03M 0.8%
SC Sunrise Communications ADR New +135,131 +$5.82M 0.4%
Apple Inc Trimmed −18,656 −$4.67M 4.6%
IR Ishares Russell 3000 Index ETF Exited −10,647 −$3.48M —
WB Warner Bros. Discovery, Inc. S New +302,466 +$3.2M 0.2%
Humana Inc. Trimmed −12,592 −$3.19M 0.4%
SS SPDR S&P Biotech ETF Trimmed −25,500 −$2.3M 0.9%
St. Joe Company Exited −38,000 −$2.22M —
SI Schwab Intl Equity ETF Exited −48,079 −$1.98M —
Digitalbridge Group Inc Trimmed −172,500 −$1.94M —

Showing the 10 largest of 100 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 07, 2024

Company Action Shares changed Value of change % of portfolio
Sirius Xm Holdings Inc. New +779,055 +$18.4M 1.2%
LM Liberty Media Corp- Liberty Si Exited −710,337 −$15.7M —
Exxon Mobil Corp Trimmed −45,834 −$5.37M 4.2%
LS Liberty Siriusxm Group Exited −217,752 −$4.82M —
Te Connectivity PLC New +24,753 +$3.74M 0.2%
Te Connectivity Ltd Exited −24,753 −$3.72M —
Microsoft Corp Added +7,397 +$3.18M 4.4%
Amazon.com Inc Added +14,622 +$2.72M 1.8%
EL Estee Lauder Cos Inc Cl A Added +24,414 +$2.43M 0.4%
PN Prosus Nv - Sponsored ADR Added +226,265 +$1.98M 1.4%

Showing the 10 largest of 103 changes.

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