Investor
Stembrook Asset Management, LLC
CIK 0002109734 · filed 2026-05-13 · SEC filing
13F book
$102.1M
Positions
48
2 new · 2 sold
Largest name
34.7%
Apple Inc. · AAPL
Est. mark
−$3.85M
Price effect on 46 names still held. Flow $112.1K.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Apple Inc. | AAPL | 139.7K | $35.5M | 34.7% | −$2.52M | Held |
| Spdr S&P 500 Etf Tr | — | 26.2K | $17.1M | 16.7% | −$817.7K | Added−$588.1K |
| Vanguard Tax-Managed Fds | — | 147.4K | $9.45M | 9.2% | $237.3K | Cut$132.3K |
| Vanguard Bd Index Fds | — | 115K | $8.47M | 8.3% | −$48.3K | Added$147.9K |
| Vanguard Mun Bd Fds | — | 140.8K | $7.02M | 6.9% | −$56.3K | Added−$51K |
| Vanguard Index Fds | — | 14.6K | $3M | 2.9% | −$48K | Added−$22.7K |
| Invesco Qqq Tr | — | 3.93K | $2.27M | 2.2% | −$144.2K | Added−$119.4K |
| Alphabet Inc | — | 5.81K | $1.67M | 1.6% | −$147.8K | Held |
| Vanguard Index Fds | — | 6.35K | $1.38M | 1.4% | $34.7K | Cut$28.7K |
| Berkshire Hathaway Inc Del | — | 2.88K | $1.38M | 1.4% | −$67.5K | Cut−$97.6K |
| Vanguard Intl Equity Index F | — | 23.9K | $1.29M | 1.3% | $6.9K | Added$12.2K |
| Microsoft Corp | MSFT | 2.51K | $929.1K | 0.9% | −$284.8K | Held |
| Capital One Finl Corp | — | 3.5K | $638.5K | 0.6% | −$209.8K | Held |
| Marathon Pete Corp | — | 2.56K | $624.1K | 0.6% | $208.4K | Held |
| Johnson & Johnson | JNJ | 2.36K | $576.6K | 0.6% | $88.4K | Held |
| Schwab Strategic Tr | — | 21.8K | $557.9K | 0.5% | −$27.5K | Added−$25.3K |
| Walmart Inc. | WMT | 4.26K | $529.1K | 0.5% | $54.8K | Held |
| Amazon Com Inc | AMZN | 2.54K | $528.4K | 0.5% | −$57.2K | Held |
| Exxon Mobil Corp | — | 3.1K | $525.8K | 0.5% | $152.8K | Held |
| Umb Finl Corp | — | 4.27K | $481.5K | 0.5% | −$9.6K | Held |
| Jpmorgan Chase & Co. | — | 1.5K | $441.2K | 0.4% | −$42.1K | Held |
| General Dynamics Corp | GD | 1.23K | $423.2K | 0.4% | $8.09K | Held |
| Cisco Sys Inc | — | 5.29K | $410.7K | 0.4% | $2.96K | Held |
| Lockheed Martin Corp | LMT | 666 | $402.5K | 0.4% | $80.4K | Held |
| Union Pac Corp | — | 1.55K | $376.8K | 0.4% | $17.5K | Held |
| Schwab Strategic Tr | — | 15.2K | $376.3K | 0.4% | $10.8K | Cut−$15.3K |
| Eli Lilly & Co | LLY | 401 | $368.8K | 0.4% | −$62.1K | Held |
| Oracle Corp | — | 2.4K | $353.7K | 0.3% | −$114.9K | Held |
| Lowes Cos Inc | — | 1.44K | $341.2K | 0.3% | −$7.05K | Held |
| S&P Global Inc. | SPGI | 766 | $325.8K | 0.3% | −$74.5K | Held |
| Nvidia Corp | NVDA | 1.8K | $313.4K | 0.3% | −$21.7K | Held |
| American Express Co | AXP | 1.03K | $310.9K | 0.3% | −$69.4K | Held |
| AbbVie Inc. | ABBV | 1.42K | $308.2K | 0.3% | −$15.6K | Held |
| Parker-Hannifin Corp | PH | 330 | $295.4K | 0.3% | $5.37K | Held |
| Pfizer Inc | PFE | 10.2K | $286.2K | 0.3% | $32.4K | Held |
| Chevron Corp New | CVX | 1.33K | $275.6K | 0.3% | $72.6K | Held |
| Advanced Micro Devices Inc | AMD | 1.34K | $273.4K | 0.3% | −$14.4K | Held |
| RTX Corp | RTX | 1.42K | $273K | 0.3% | $13.4K | Held |
| Starbucks Corp | SBUX | 3K | $268.8K | 0.3% | $16.1K | Held |
| Merck & Co., Inc. | MRK | 2.04K | $245.4K | 0.2% | $30.7K | Held |
| Philip Morris Intl Inc | — | 1.43K | $235.8K | 0.2% | $7.04K | Held |
| Coca Cola Co | KO | 3.06K | $232.8K | 0.2% | $18.8K | Held |
| Schwab Strategic Tr | — | 7.97K | $231.7K | 0.2% | $4.78K | Cut$2.27K |
| Intel Corp | INTC | 5.24K | $231.2K | 0.2% | — | New |
| Progressive Corp | — | 1.13K | $224K | 0.2% | −$33.3K | Held |
| Procter And Gamble Co | PG | 1.55K | $223.6K | 0.2% | $1.75K | Held |
| Automatic Data Processing In | — | 1.01K | $205.8K | 0.2% | −$54.8K | Held |
| Geron Corp | GERN | 20K | $29.8K | 0.0% | — | New |
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.