Institutional Manager · CIK 0002109734
Stembrook Asset Management, LLC
RED BANK, NJ · File #028-26355
Latest AUM
$105.9M
Positions
48
Top-10 Concentration
85.4%
Filings
1
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | APPLE INC | AAPL | +139,703 | +$38.0M | $0 |
| NEW | SPDR S&P 500 ETF TR | SPY | +25,893 | +$17.7M | $0 |
| NEW | VANGUARD TAX-MANAGED FDS | 921943858 | +149,094 | +$9.3M | $0 |
| NEW | VANGUARD BD INDEX FDS | 921937835 | +112,363 | +$8.3M | $0 |
| NEW | VANGUARD MUN BD FDS | 922907746 | +140,681 | +$7.1M | $0 |
| NEW | VANGUARD INDEX FDS | 922908652 | +14,449 | +$3.0M | $0 |
| NEW | INVESCO QQQ TR | IVZ | +3,885 | +$2.4M | $0 |
| NEW | ALPHABET INC | GOOG | +5,810 | +$1.8M | $0 |
| NEW | BERKSHIRE HATHAWAY INC DEL | BRK-A | +2,938 | +$1.5M | $0 |
| NEW | VANGUARD INDEX FDS | 922908611 | +6,379 | +$1.4M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202548 pos · $105.9M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | APPLE INC | AAPL | 139,703 | $38.0M | 35.88% |
| 2 | SPDR S&P 500 ETF TR | SPY | 25,893 | $17.7M | 16.68% |
| 3 | VANGUARD TAX-MANAGED FDS | 921943858 | 149,094 | $9.3M | 8.80% |
| 4 | VANGUARD BD INDEX FDS | 921937835 | 112,363 | $8.3M | 7.86% |
| 5 | VANGUARD MUN BD FDS | 922907746 | 140,681 | $7.1M | 6.68% |
| 6 | VANGUARD INDEX FDS | 922908652 | 14,449 | $3.0M | 2.85% |
| 7 | INVESCO QQQ TR | IVZ | 3,885 | $2.4M | 2.25% |
| 8 | ALPHABET INC | GOOG | 5,810 | $1.8M | 1.72% |
| 9 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 2,938 | $1.5M | 1.40% |
| 10 | VANGUARD INDEX FDS | 922908611 | 6,379 | $1.4M | 1.28% |
| 11 | VANGUARD INTL EQUITY INDEX F | 922042858 | 23,776 | $1.3M | 1.21% |
| 12 | MICROSOFT CORP | MSFT | 2,510 | $1.2M | 1.15% |
| 13 | CAPITAL ONE FINL CORP | 14040H105 | 3,500 | $848,260 | 0.80% |
| 14 | AMAZON COM INC | AMZN | 2,537 | $585,591 | 0.55% |
| 15 | SCHWAB STRATEGIC TR | 808524201 | 21,672 | $583,194 | 0.55% |
| 16 | UMB FINL CORP | 902788108 | 4,269 | $491,106 | 0.46% |
| 17 | JOHNSON & JOHNSON | JNJ | 2,359 | $488,196 | 0.46% |
| 18 | JPMORGAN CHASE & CO. | VYLD | 1,500 | $483,330 | 0.46% |
| 19 | WALMART INC | WMT | 4,257 | $474,273 | 0.45% |
| 20 | ORACLE CORP | ORCL-PD | 2,404 | $468,564 | 0.44% |