American Investment Services, Inc. — 13F Holdings & Portfolio
CIK 1369913 · latest 13F-HR filed 2026-05-13
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
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AUM
$448.3M
Long-equity book
Holdings
132
Distinct positions
Period
2026-03-31
Filed 2026-05-13
Q/Q Activity
+7 / −4 / ↑34 / ↓29
vs 2025-12-31
Firm Profile & Key People
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- VANGUARD MUN BD FDS$8.6M +2701.2%
- CHEVRON CORPORATION$3.1M +34.8%
- MERCK & CO INC$2.1M +36.1%
- VERIZON COMMUNICATIONS INC$1.2M +14.8%
- DIMENSIONAL ETF TRUST$897.4K +23.6%
Top Trims
- VANGUARD INDEX FDS-$4.0M -10.3%
- INTERNATIONAL BUSINESS MACHS-$1.8M -64.5%
- DIMENSIONAL ETF TRUST-$720.4K -69.2%
- SCHWAB STRATEGIC TR-$423.8K -14.1%
- DOW HLDGS INC-$343.5K -38.3%
New Positions
- UNITEDHEALTH GROUP INC$1.0M
- INTERACTIVE BROKERS GROUP IN$670.7K
- NIKE INC$515.4K
- AMAZON COM INC$331.1K
- HONEYWELL INTL INC$271.2K
Exited Positions
- CISCO SYS INC$736.9K
- CATERPILLAR INC$597.5K
- SBA COMMUNICATIONS CORP NEW$221.7K
- PFIZER INC$201.2K
All Holdings
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | WORLD GOLD TR | GLDM | 98149E303 | $43.5M | 9.70% | 469,354 | SH |
| 2 | VANGUARD INDEX FDS | VUG | 922908736 | $34.6M | 7.73% | 79,321 | SH |
| 3 | DIMENSIONAL ETF TRUST | DFUV | 25434V724 | $23.3M | 5.19% | 480,336 | SH |
| 4 | VANGUARD WHITEHALL FDS | VYMI | 921946794 | $20.5M | 4.57% | 217,344 | SH |
| 5 | DIMENSIONAL ETF TRUST | DFIC | 25434V799 | $14.1M | 3.15% | 397,581 | SH |
| 6 | DIMENSIONAL ETF TRUST | DFAS | 25434V500 | $12.8M | 2.84% | 179,294 | SH |
| 7 | DIMENSIONAL ETF TRUST | DFUS | 25434V401 | $12.3M | 2.74% | 173,415 | SH |
| 8 | CHEVRON CORPORATION | CVX | 166764100 | $11.8M | 2.64% | 57,149 | SH |
| 9 | VANGUARD INDEX FDS | VTV | 922908744 | $11.8M | 2.63% | 60,090 | SH |
| 10 | VANGUARD WORLD FD | VPU | 92204A876 | $10.6M | 2.35% | 53,259 | SH |
| 11 | VERIZON COMMUNICATIONS INC | VZ | 92343V104 | $9.5M | 2.13% | 189,997 | SH |
| 12 | DIMENSIONAL ETF TRUST | DFGR | 25434V658 | $9.5M | 2.13% | 358,613 | SH |
| 13 | DIMENSIONAL ETF TRUST | DFEM | 25434V732 | $9.3M | 2.08% | 269,564 | SH |
| 14 | DIMENSIONAL ETF TRUST | DFAT | 25434V609 | $8.9M | 1.99% | 142,654 | SH |
| 15 | VANGUARD MUN BD FDS | VSDM | 922907696 | $8.9M | 1.98% | 116,464 | SH |
| 16 | DIMENSIONAL ETF TRUST | DFAW | 25434V617 | $8.4M | 1.87% | 113,542 | SH |
| 17 | VANGUARD TAX-MANAGED FDS | VEA | 921943858 | $8.1M | 1.80% | 126,020 | SH |
| 18 | ISHARES GOLD TR | IAU | 464285204 | $8.0M | 1.79% | 91,176 | SH |
| 19 | MERCK & CO INC | MRK | 58933Y105 | $8.0M | 1.78% | 66,477 | SH |
| 20 | DIMENSIONAL ETF TRUST | DFAX | 25434V880 | $7.9M | 1.76% | 232,367 | SH |
| 21 | VANGUARD INDEX FDS | VBR | 922908611 | $6.7M | 1.49% | 30,794 | SH |
| 22 | VANGUARD INDEX FDS | VB | 922908751 | $6.6M | 1.48% | 25,368 | SH |
| 23 | VANGUARD INDEX FDS | VNQ | 922908553 | $6.3M | 1.41% | 71,349 | SH |
| 24 | ISHARES TR | SHV | 464288679 | $5.6M | 1.26% | 51,075 | SH |
| 25 | DIMENSIONAL ETF TRUST | DFSV | 25434V815 | $5.4M | 1.21% | 154,956 | SH |
| 26 | JOHNSON & JOHNSON | JNJ | 478160104 | $5.4M | 1.21% | 22,137 | SH |
| 27 | VANGUARD INDEX FDS | VOO | 922908363 | $5.1M | 1.15% | 8,609 | SH |
| 28 | AMGEN INC | AMGN | 031162100 | $4.9M | 1.10% | 13,992 | SH |
| 29 | DIMENSIONAL ETF TRUST | DFNM | 25434V849 | $4.7M | 1.05% | 98,018 | SH |
| 30 | DIMENSIONAL ETF TRUST | DFLV | 25434V666 | $4.6M | 1.04% | 130,052 | SH |
| 31 | SCHWAB STRATEGIC TR | SCHO | 808524862 | $4.4M | 0.98% | 180,905 | SH |
| 32 | VANGUARD MUN BD FDS | VTEB | 922907746 | $4.1M | 0.91% | 81,673 | SH |
| 33 | VANGUARD INTL EQUITY INDEX F | VWO | 922042858 | $3.8M | 0.85% | 70,126 | SH |
| 34 | SPDR INDEX SHS FDS | SPDW | 78463X889 | $3.4M | 0.75% | 73,823 | SH |
| 35 | SPDR SERIES TRUST | SPYV | 78464A508 | $3.3M | 0.74% | 58,647 | SH |
| 36 | VANGUARD SCOTTSDALE FDS | VCIT | 92206C870 | $3.2M | 0.71% | 38,520 | SH |
| 37 | VANGUARD SCOTTSDALE FDS | VGSH | 92206C102 | $2.9M | 0.66% | 50,210 | SH |
| 38 | ISHARES TR | SHY | 464287457 | $2.8M | 0.62% | 33,825 | SH |
| 39 | DIMENSIONAL ETF TRUST | DFAI | 25434V203 | $2.8M | 0.62% | 71,471 | SH |
| 40 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $2.7M | 0.61% | 5,677 | SH |
| 41 | SCHWAB STRATEGIC TR | SCHB | 808524102 | $2.6M | 0.58% | 102,885 | SH |
| 42 | VANGUARD BD INDEX FDS | BSV | 921937827 | $2.5M | 0.56% | 32,288 | SH |
| 43 | SPDR SERIES TRUST | SPYM | 78464A854 | $2.5M | 0.55% | 32,300 | SH |
| 44 | ISHARES TR | AGG | 464287226 | $2.3M | 0.50% | 22,794 | SH |
| 45 | SCHWAB STRATEGIC TR | SCHA | 808524607 | $2.2M | 0.50% | 76,343 | SH |
| 46 | VANGUARD INDEX FDS | VTI | 922908769 | $2.2M | 0.49% | 6,833 | SH |
| 47 | SCHWAB STRATEGIC TR | SCHX | 808524201 | $2.2M | 0.49% | 85,125 | SH |
| 48 | DIMENSIONAL ETF TRUST | DFGP | 25434V583 | $1.9M | 0.43% | 36,094 | SH |
| 49 | DIMENSIONAL ETF TRUST | DFIV | 25434V807 | $1.9M | 0.42% | 35,620 | SH |
| 50 | DIMENSIONAL ETF TRUST | DFSD | 25434V864 | $1.9M | 0.42% | 38,867 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-13 | $448.3M | 132 | 0001369913-26-000002 |
| 2025-12-31 | 2026-02-13 | $430.9M | 129 | 0001369913-26-000001 |
| 2025-09-30 | 2025-11-13 | $416.2M | 134 | 0001369913-25-000003 |