Institutional Manager · CIK 0002039659
Seneschal Advisors, LLC
TACOMA, WA · File #028-25041
Latest AUM
$135.8M
Positions
659
Top-10 Concentration
77.9%
Filings
5
Portfolio Value Over Time
2024-12
2025-03
2025-06
2025-09
2025-12
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 |
|---|---|---|---|---|---|
| ADD | TEXAS PACIFIC LAND CORPORATI | TPL | +4,896 | +$1.4M | -$1.7M |
| ADD | DIMENSIONAL ETF TRUST | 25434V104 | +11,124 | +$520,604 | +$18,902 |
| REDUCE | VANGUARD INDEX FDS | 922908769 | -1,525 | -$511,285 | +$520,361 |
| ADD | VANGUARD MALVERN FDS | 922020805 | +8,519 | +$421,350 | -$30,790 |
| REDUCE | DIMENSIONAL ETF TRUST | 25434V500 | -5,022 | -$349,883 | +$102,348 |
| REDUCE | DIMENSIONAL ETF TRUST | 25434V609 | -4,271 | -$254,295 | +$151,078 |
| REDUCE | VANGUARD BD INDEX FDS | 921937819 | -3,152 | -$245,478 | -$82,235 |
| ADD | DIMENSIONAL ETF TRUST | 25434V823 | +10,527 | +$241,081 | -$180,507 |
| REDUCE | DIMENSIONAL ETF TRUST | 25434V708 | -5,435 | -$215,171 | +$78,442 |
| ADD | DIMENSIONAL ETF TRUST | 25434V203 | +5,548 | +$211,434 | +$50,974 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025659 pos · $135.8M
- 13F HOLDINGS REPORTQ/E Sep 2025659 pos · $137.8M
- 13F HOLDINGS REPORTQ/E Jun 202539 pos · $126.8M
- 13F HOLDINGS REPORTQ/E Mar 202533 pos · $116.5M
- 13F HOLDINGS REPORTQ/E Dec 202436 pos · $119.6M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | VANGUARD BD INDEX FDS | 921937819 | 388,447 | $30.3M | 23.20% |
| 2 | VANGUARD INDEX FDS | 922908769 | 71,773 | $24.1M | 18.45% |
| 3 | DIMENSIONAL ETF TRUST | 25434V401 | 118,421 | $8.8M | 6.74% |
| 4 | DIMENSIONAL ETF TRUST | 25434V724 | 158,019 | $7.4M | 5.65% |
| 5 | DIMENSIONAL ETF TRUST | 25434V609 | 109,322 | $6.5M | 4.99% |
| 6 | VANGUARD CHARLOTTE FDS | 92203J407 | 120,349 | $5.8M | 4.46% |
| 7 | DIMENSIONAL ETF TRUST | 25434V500 | 79,563 | $5.5M | 4.25% |
| 8 | AMAZON COM INC | AMZN | 20,051 | $4.6M | 3.55% |
| 9 | DIMENSIONAL ETF TRUST | 25434V823 | 200,775 | $4.6M | 3.53% |
| 10 | MICROSOFT CORP | MSFT | 8,291 | $4.0M | 3.08% |
| 11 | DIMENSIONAL ETF TRUST | 25434V708 | 71,473 | $2.8M | 2.17% |
| 12 | COSTCO WHSL CORP NEW | 22160K105 | 2,913 | $2.5M | 1.93% |
| 13 | TEXAS PACIFIC LAND CORPORATI | TPL | 7,479 | $2.1M | 1.65% |
| 14 | VANGUARD MALVERN FDS | 922020805 | 34,835 | $1.7M | 1.32% |
| 15 | ALPHABET INC | GOOG | 4,756 | $1.5M | 1.14% |
| 16 | APPLE INC | AAPL | 5,425 | $1.5M | 1.13% |
| 17 | DIMENSIONAL ETF TRUST | 25434V104 | 29,299 | $1.4M | 1.05% |
| 18 | DIMENSIONAL ETF TRUST | 25434V203 | 34,510 | $1.3M | 1.01% |
| 19 | VANGUARD INDEX FDS | 922908736 | 2,601 | $1.3M | 0.97% |
| 20 | ISHARES TR | 46432F339 | 6,146 | $1.2M | 0.94% |