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Super Investors Stembrook Asset Management, LLC
SA

Stembrook Asset Management, LLC

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

Portfolio value
$116M
Positions
51
Quarter ended
June 30, 2026
Filed
August 12, 2026

Reported portfolio value by quarter (3 quarters reported)

$116M $102M
Q4 25 Q1 26 Q2 26

$106M in Q4 2025 → $116M 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
Apple Inc 34.9% Trimmed 0.1% 139,603 $40.4M
SS State Str SPDR S&P 500 ETF T 16.7% Trimmed 1.4% 25,873 $19.3M
VT Vanguard Tax-managed Fds 8.7% Trimmed 3.9% 141,696 $10.1M
VB Vanguard Bd Index Fds 7.4% Added 1.6% 116,839 $8.58M
VM Vanguard Mun Bd Fds 6.0% Trimmed 2.8% 136,900 $6.92M
VI Vanguard Index Fds 3.0% Trimmed 2.4% 14,222 $3.5M
IQ Invesco Qqq Tr 2.3% Trimmed 7.9% 3,619 $2.67M
Alphabet Inc 1.8% Unchanged 5,810 $2.08M
BG Baillie Gifford ETF Tr 1.5% New 49,811 $1.76M
VI Vanguard Index Fds 1.3% Trimmed 4.8% 6,047 $1.47M
BH Berkshire Hathaway Inc Del 1.2% Trimmed 0.8% 2,855 $1.43M
VI Vanguard Intl Equity Index F 1.2% Trimmed 2.1% 23,373 $1.4M
Microsoft Corp 0.8% Unchanged 2,510 $936K
Advanced Micro Devices Inc 0.7% Unchanged 1,344 $781K
Intel Corp 0.6% Unchanged 5,239 $732K
CO Capital One Finl Corp 0.6% Unchanged 3,500 $702K
MP Marathon Pete Corp 0.6% Unchanged 2,556 $653K
SS Schwab Strategic Tr 0.6% Added 0.2% 21,802 $642K
CS Cisco Sys Inc 0.5% Unchanged 5,293 $622K
UF Umb Finl Corp 0.5% Unchanged 4,269 $609K
Amazon Com Inc 0.5% Unchanged 2,537 $605K
Johnson & Johnson 0.5% Unchanged 2,359 $599K
Jpmorgan Chase & Co 0.4% Unchanged 1,500 $491K
Walmart Inc 0.4% Unchanged 4,257 $482K
EL Eli Lilly & Co 0.4% Unchanged 401 $481K
General Dynamics Corp 0.4% Unchanged 1,233 $437K
Exxon Mobil Corp 0.4% Added 2.4% 3,174 $434K
UP Union Pac Corp 0.4% Unchanged 1,553 $422K
SS Schwab Strategic Tr 0.4% Trimmed 0.5% 15,127 $419K
Nvidia Corporation 0.3% Unchanged 1,797 $360K
Abbvie Inc 0.3% Unchanged 1,417 $357K
Oracle Corp 0.3% Unchanged 2,404 $352K
American Express Co 0.3% Unchanged 1,028 $348K
Lockheed Martin Corp 0.3% Unchanged 666 $339K
Parker-hannifin Corp 0.3% Unchanged 330 $323K
LC Lowes Cos Inc 0.3% Unchanged 1,444 $318K
S&P Global Inc 0.3% Unchanged 766 $312K
Starbucks Corp 0.3% Unchanged 3,000 $307K
SS Schwab Strategic Tr 0.2% Trimmed 3.7% 7,674 $277K
Rtx Corporation 0.2% Unchanged 1,415 $268K
Merck & Co Inc 0.2% Unchanged 2,040 $262K
PM Philip Morris Intl Inc 0.2% Unchanged 1,426 $258K
Coca Cola Co 0.2% Unchanged 3,061 $249K
Progressive Corp 0.2% Unchanged 1,130 $247K
Pfizer Inc 0.2% Unchanged 10,191 $245K
Cummins Inc 0.2% New 340 $242K
Procter & Gamble Co 0.2% Unchanged 1,548 $227K
AD Automatic Data Processing In 0.2% Unchanged 1,013 $227K
Chevron Corporation 0.2% Unchanged 1,332 $221K
Ww Grainger Inc 0.2% New 160 $218K
Valero Energy Corp 0.2% New 790 $206K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 2 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 12, 2026

Company Action Shares changed Value of change % of portfolio
BG Baillie Gifford ETF Tr New +49,811 +$1.76M 1.5%
VT Vanguard Tax-managed Fds Trimmed −5,717 −$407K 8.7%
SS State Str SPDR S&P 500 ETF T Trimmed −373 −$279K 16.7%
Cummins Inc New +340 +$242K 0.2%
IQ Invesco Qqq Tr Trimmed −309 −$228K 2.3%
Ww Grainger Inc New +160 +$218K 0.2%
Valero Energy Corp New +790 +$206K 0.2%
VM Vanguard Mun Bd Fds Trimmed −3,886 −$197K 6.0%
VB Vanguard Bd Index Fds Added +1,811 +$133K 7.4%
VI Vanguard Index Fds Trimmed −350 −$86.2K 3.0%

Showing the 10 largest of 19 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 13, 2026

Company Action Shares changed Value of change % of portfolio
Salesforce Inc Exited −1,000 −$265K —
Intel Corp New +5,239 +$231K 0.2%
SS State Str SPDR S&P 500 ETF T Added +353 +$230K 16.7%
B1 Bitwise 10 Crypto Index ETF Exited −3,456 −$203K —
VB Vanguard Bd Index Fds Added +2,665 +$196K 8.3%
VT Vanguard Tax-managed Fds Trimmed −1,681 −$108K 9.2%
Geron Corp New +20,000 +$29.8K —
BH Berkshire Hathaway Inc Del Trimmed −60 −$28.8K 1.4%
SS Schwab Strategic Tr Trimmed −1,084 −$26.8K 0.4%
VI Vanguard Index Fds Added +123 +$25.3K 2.9%

Showing the 10 largest of 16 changes.

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