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Super Investors / SRB CORP
S

SRB CORP

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

Portfolio value
$1.86B
Positions
23
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (53 quarters reported)

$1.92B $433M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$433M in Q2 2013 → $1.86B 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
SS Select Sector SPDR Tr 12.3% Added 41% 1,200,431 $229M
Microsoft Corp 11.4% Trimmed 1.2% 568,388 $212M
Intel Corp 8.0% Trimmed 50% 1,067,407 $149M
SI Safety Ins Group Inc 7.2% Unchanged 1,794,655 $134M
RH Renaissancere Hldgs Ltd 6.6% Unchanged 388,478 $123M
Amazon Com Inc 5.8% Unchanged 450,434 $107M
WG Ww Grainger Inc 4.9% Unchanged 66,861 $91M
SS Select Sector SPDR Tr 4.8% Unchanged 556,818 $88.3M
SS Select Sector SPDR Tr 4.7% Unchanged 1,729,580 $87.9M
SS Select Sector SPDR Tr 4.6% Unchanged 800,774 $85.8M
Alphabet Inc 4.4% Trimmed 0.5% 228,868 $81.8M
Merck & Co Inc 3.2% Unchanged 463,298 $59.5M
SS Select Sector SPDR Tr 3.1% Added 824% 310,583 $57.5M
Cvs Health Corp 2.8% Unchanged 506,016 $52.3M
Toyota Motor Corp 2.6% Trimmed 0.0% 291,689 $49.1M
GA Ge Aerospace 2.4% Trimmed 60% 119,925 $44.8M
SS Select Sector SPDR Tr 2.2% Added 720% 488,831 $40.6M
Sherwin Williams Co 2.0% Unchanged 110,041 $37.9M
Reliance Inc 1.9% Unchanged 95,976 $35.9M
CN Comcast Corp New 1.4% Unchanged 1,096,685 $26.9M
Procter & Gamble Co 1.3% Trimmed 29% 165,402 $24.3M
Walmart Inc 1.2% Trimmed 67% 202,248 $22.9M
SS Select Sector SPDR Tr 1.0% Unchanged 154,540 $18.1M

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 14, 2026

Company Action Shares changed Value of change % of portfolio
Intel Corp Trimmed −1,079,008 −$151M 8.0%
GA Ge Aerospace Trimmed −180,986 −$67.6M 2.4%
SS Select Sector SPDR Tr Added +347,007 +$66.1M 12.3%
SS Select Sector SPDR Tr Added +276,962 +$51.3M 3.1%
Walmart Inc Trimmed −418,331 −$47.4M 1.2%
SS Select Sector SPDR Tr Added +429,247 +$35.7M 2.2%
Procter & Gamble Co Trimmed −67,522 −$9.9M 1.3%
Microsoft Corp Trimmed −7,161 −$2.67M 11.4%
Alphabet Inc Trimmed −1,123 −$401K 4.4%
Toyota Motor Corp Trimmed −126 −$21.2K 2.6%

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
Microsoft Corp Trimmed −117,374 −$43.4M 13.1%
GA Ge Aerospace Trimmed −68,984 −$19.6M 5.2%
Walmart Inc Trimmed −106,471 −$13.2M 4.7%
RH Renaissancere Hldgs Ltd Trimmed −31,611 −$9.4M 7.1%
Procter & Gamble Co Trimmed −32,711 −$4.72M 2.1%
SI Safety Ins Group Inc Trimmed −47,629 −$3.46M 8.0%
Amazon Com Inc Trimmed −10,016 −$2.09M 5.8%
Intel Corp Trimmed −38,683 −$1.71M 5.8%
Cvs Health Corp Trimmed −20,839 −$1.5M 2.2%
WG Ww Grainger Inc Trimmed −1,338 −$1.46M 4.5%

Showing the 10 largest of 15 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
SS Sel Sector:tech SPDR Added +452,800 +$65.2M 6.7%
SS Sel Sector:mat Ss SPDR Added +864,790 +$39.2M 4.3%
SS Sel Sctr:c D Ss SPDR In Added +77,270 +$9.23M 1.0%
CC Comcast Cl A Ord Added +89,535 +$2.68M 1.8%

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
SS Sel Sector:tech SPDR Added +76,439 +$21.5M 6.5%
AC Amazon Com Ord Trimmed −29,822 −$6.55M 5.8%
CH Cvs Health Ord Trimmed −69,338 −$5.23M 2.3%
WO Walmart Ord Trimmed −40,452 −$4.17M 4.3%
GA Ge Aerospace Ord Trimmed −12,859 −$3.87M 6.4%
WG Ww Grainger Ord Trimmed −2,561 −$2.44M 3.7%
P& Procter & Gamble Ord Trimmed −15,127 −$2.32M 2.3%
M& Merck & Co Ord Trimmed −23,181 −$1.95M 2.3%
RO Renaissancere Ord Trimmed −1,570 −$399K 6.1%
TM Toyota Motor ADR Rep 10 Ord Trimmed −900 −$172K 3.3%

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
SS Sel Sector:h Care SPDR Added +498,227 +$67.2M 4.5%
M& Merck & Co Ord Trimmed −748,990 −$59.3M 2.4%
SS Sel Sector:tech SPDR Trimmed −187,297 −$47.4M 4.9%
SS Sel Sector:matrls SPDR Added +134,501 +$11.8M 4.6%
SS Sel Sector:comm Svc SPDR Added +86,265 +$9.36M 5.2%
CH Cvs Health Ord Trimmed −82,795 −$5.71M 2.5%
MO Microsoft Ord Trimmed −89 −$44.3K 20.7%

Q1 2025

quarter ended March 31, 2025 · filed May 14, 2025

Company Action Shares changed Value of change % of portfolio
VI Vanguard Infotch Idx ETF Exited −272,826 −$170M
SS Sel Sector:tech SPDR New +511,482 +$106M 6.9%
SS Sel Sector:comm Svc SPDR Added +679,569 +$65.5M 4.5%
SS Sel Sector:matrls SPDR Added +694,800 +$59.7M 4.1%
IO Intel Ord New +2,185,098 +$49.6M 3.2%
SW Sherwin Williams Ord Trimmed −141,390 −$49.4M 2.6%
BH Berkshire Hathaway Cl B Ord Exited −106,799 −$48.4M
RO Reliance Ord Trimmed −136,844 −$39.5M 1.9%
CC Comcast Cl A Ord Trimmed −1,002,697 −$37M 2.4%
CH Cvs Health Ord Trimmed −452,658 −$30.7M 3.0%

Showing the 10 largest of 21 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
IO Intel Ord Exited −4,398,974 −$103M
VI Vanguard Infotch Idx ETF Added +139,176 +$86.5M 9.7%
SS Sel Sector:c Dsc SPDR New +17,692 +$3.97M 0.2%
SS Sel Sector:comm Svc SPDR New +34,940 +$3.38M 0.2%
SS Sel Sector:h Care SPDR New +24,429 +$3.36M 0.2%
SS Sel Sector:matrls SPDR New +35,489 +$2.99M 0.2%
SS Sel Sector:indust SPDR New +20,584 +$2.71M 0.2%
SS Sel Sector:c Stp SPDR New +26,265 +$2.06M 0.1%
TM Toyota Motor ADR Rep 10 Ord Added +7,708 +$1.5M 4.4%

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
IO Intel Ord Added +996,992 +$23.4M 5.8%
GV Ge Vernova Ord Exited −99,140 −$17M
TM Toyota Motor ADR Rep 10 Ord Added +78,044 +$13.9M 3.9%
SW Sherwin Williams Ord Added +33,481 +$12.8M 5.4%
CC Comcast Cl A Ord Added +294,758 +$12.3M 4.7%
AC Amazon Com Ord Added +56,479 +$10.5M 5.1%
WG Ww Grainger Ord Added +8,159 +$8.48M 4.2%
VI Vanguard Infotch Idx ETF Added +6,058 +$3.55M 4.4%
M& Merck & Co Ord Trimmed −30,154 −$3.42M 8.3%
RO Renaissancere Ord Trimmed −7,075 −$1.93M 6.8%

Showing the 10 largest of 11 changes.

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