# EDGAR Filing Document

**Accession Number:** 0001369913
**File Stem:** 0001369913-26-000001
**Filing Date:** 2026-2
**Character Count:** 21635
**Document Hash:** d24263cc58add2c5ca7e138fef01c542
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001369913-26-000001.hdr.sgml**: 20260213

**ACCESSION NUMBER**: 0001369913-26-000001

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260213

**DATE AS OF CHANGE**: 20260213

**EFFECTIVENESS DATE**: 20260213

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** American Investment Services, Inc.
- **CENTRAL INDEX KEY:** 0001369913

**ORGANIZATION NAME:**
- **EIN:** 042657538
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-12178
- **FILM NUMBER:** 26632778

**BUSINESS ADDRESS:**
- **STREET 1:** 250 DIVISION STREET
- **STREET 2:** POST OFFICE BOX 1000
- **CITY:** GREAT BARRINGTON
- **STATE:** MA
- **ZIP:** 01230-1000
- **BUSINESS PHONE:** 413-591-4445

**MAIL ADDRESS:**
- **STREET 1:** 250 DIVISION STREET
- **STREET 2:** POST OFFICE BOX 1000
- **CITY:** GREAT BARRINGTON
- **STATE:** MA
- **ZIP:** 01230-1000

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2025

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** American Investment Services Inc.<br>**Address:** 250 DIVISION STREET<br>POST OFFICE BOX 1000<br>GREAT BARRINGTON, MA 01230-1000

**Form 13F File Number:** 028-12178

**CRD Number (if applicable):** 000110043

**SEC File Number (if applicable):** 801-14337

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Sandra Potter-Stevenson<br>**Title:** Chief Compliance Officer<br>**Phone:** 413-591-4445

**Signature, Place, and Date of Signing:**

/s/Sandra Potter-Stevenson  Great Barrington, MA  02-13-2026<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 129

**Form 13F Information Table Value Total:** $430891102

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ADVANCED MICRO DEVICES INC | COM | 007903107 |  | 218015 | 1018 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 0 | 0 | 1018 |
| AMERICAN TOWER CORP NEW | COM | 03027X100 |  | 631877 | 3599 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3479 | 0 | 120 |
| AMGEN INC | COM | 031162100 |  | 4046861 | 12364 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 11596 | 0 | 768 |
| APPLE INC | COM | 037833100 |  | 551206 | 2028 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2018 | 0 | 10 |
| AVALONBAY CMNTYS INC | COM | 053484101 |  | 268521 | 1481 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1481 | 0 | 0 |
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 |  | 754800 | 1 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 0 | 0 | 1 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 |  | 2853545 | 5677 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1670 | 0 | 4007 |
| CATERPILLAR INC | COM | 149123101 |  | 597504 | 1043 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 0 | 0 | 1043 |
| CHEVRON CORP NEW | COM | 166764100 |  | 8771806 | 57554 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 53961 | 0 | 3593 |
| CISCO SYS INC | COM | 17275R102 |  | 736947 | 9567 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 8652 | 0 | 915 |
| COCA COLA CO | COM | 191216100 |  | 500416 | 7158 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 6803 | 0 | 355 |
| COLGATE PALMOLIVE CO | COM | 194162103 |  | 379296 | 4800 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 0 | 0 | 4800 |
| CROWN CASTLE INC | COM | 22822V101 |  | 352992 | 3972 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3972 | 0 | 0 |
| DIGITAL RLTY TR INC | COM | 253868103 |  | 468772 | 3030 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3030 | 0 | 0 |
| DIMENSIONAL ETF TRUST | CORE FIXED INCOM | 25434V872 |  | 1040976 | 24459 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2823 | 0 | 21636 |
| DIMENSIONAL ETF TRUST | EMERGING MKTS CO | 25434V732 |  | 8778927 | 265385 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 194606 | 0 | 70779 |
| DIMENSIONAL ETF TRUST | EMERGING MKTS VA | 25434V740 |  | 302378 | 8962 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 6253 | 0 | 2709 |
| DIMENSIONAL ETF TRUST | EMGR CRE EQT MNG | 25434V302 |  | 1359961 | 41755 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 29940 | 0 | 11815 |
| DIMENSIONAL ETF TRUST | GLOBAL CORE PLUS | 25434V583 |  | 1852739 | 34266 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 19523 | 0 | 14743 |
| DIMENSIONAL ETF TRUST | GLOBAL REAL EST | 25434V658 |  | 8841038 | 334634 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 243451 | 0 | 91183 |
| DIMENSIONAL ETF TRUST | INTERNATNAL VAL | 25434V807 |  | 1777438 | 35620 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 35079 | 0 | 541 |
| DIMENSIONAL ETF TRUST | INTL CORE EQT MK | 25434V203 |  | 2663928 | 69901 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 57871 | 0 | 12030 |
| DIMENSIONAL ETF TRUST | INTL CORE EQUITY | 25434V799 |  | 13346954 | 387317 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 223178 | 0 | 164139 |
| DIMENSIONAL ETF TRUST | NATL MUN BD ETF | 25434V849 |  | 3800565 | 78899 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 47175 | 0 | 31724 |
| DIMENSIONAL ETF TRUST | SHORT DURATION F | 25434V864 |  | 1723180 | 35937 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 31093 | 0 | 4844 |
| DIMENSIONAL ETF TRUST | US CORE EQT MKT | 25434V104 |  | 1816262 | 38809 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 35443 | 0 | 3366 |
| DIMENSIONAL ETF TRUST | US EQUITY MARKET | 25434V401 |  | 12004772 | 161855 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 120209 | 0 | 41646 |
| DIMENSIONAL ETF TRUST | US HIGH PROFITAB | 25434V831 |  | 1429814 | 37597 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 23609 | 0 | 13988 |
| DIMENSIONAL ETF TRUST | US LARGE CAP VAL | 25434V666 |  | 3807561 | 111300 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 33006 | 0 | 78294 |
| DIMENSIONAL ETF TRUST | US LARGE CAP VEC | 25434V641 |  | 868080 | 11676 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1670 | 0 | 10006 |
| DIMENSIONAL ETF TRUST | US MKTWIDE VALUE | 25434V724 |  | 22632990 | 485791 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 396546 | 0 | 89245 |
| DIMENSIONAL ETF TRUST | US REAL ESTATE E | 25434V823 |  | 542576 | 23692 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 17849 | 0 | 5843 |
| DIMENSIONAL ETF TRUST | US SMALL CAP ETF | 25434V500 |  | 12679227 | 181990 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 138102 | 0 | 43888 |
| DIMENSIONAL ETF TRUST | US SMALL CAP VAL | 25434V815 |  | 4977013 | 151323 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 103199 | 0 | 48124 |
| DIMENSIONAL ETF TRUST | US TARGETED VLU | 25434V609 |  | 8661108 | 145467 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 121705 | 0 | 23762 |
| DIMENSIONAL ETF TRUST | WORLD EQUITY ETF | 25434V617 |  | 8317364 | 112427 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 89321 | 0 | 23106 |
| DIMENSIONAL ETF TRUST | WORLD EX US CORE | 25434V880 |  | 7769116 | 237370 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 174791 | 0 | 62579 |
| DOW INC | COM | 260557103 |  | 897044 | 38368 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 36552 | 0 | 1816 |
| ELI LILLY  CO | COM | 532457108 |  | 1499179 | 1395 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1385 | 0 | 10 |
| EQUINIX INC | COM | 29444U700 |  | 711763 | 929 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 929 | 0 | 0 |
| EQUITY RESIDENTIAL | SH BEN INT | 29476L107 |  | 231042 | 3665 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3665 | 0 | 0 |
| EXTRA SPACE STORAGE INC | COM | 30225T102 |  | 292865 | 2249 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2249 | 0 | 0 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 703508 | 5846 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 4966 | 0 | 880 |
| GE AEROSPACE | COM NEW | 369604301 |  | 537513 | 1745 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1695 | 0 | 50 |
| HARTFORD INSURANCE GROUP INC | COM | 416515104 |  | 333890 | 2423 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2423 | 0 | 0 |
| HOME DEPOT INC | COM | 437076102 |  | 736374 | 2140 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2140 | 0 | 0 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 |  | 2850133 | 9622 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 8577 | 0 | 1045 |
| INVESCO EXCHANGE TRADED FD T | S EQL WGT | 46137V357 |  | 1824035 | 9522 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 9522 | 0 | 0 |
| IRON MTN INC DEL | COM | 46284V101 |  | 257394 | 3103 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3103 | 0 | 0 |
| ISHARES GOLD TR | ISHARES NEW | 464285204 |  | 8299633 | 102250 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 83520 | 0 | 18730 |
| ISHARES TR | 1 3 YR TREAS BD | 464287457 |  | 2916589 | 35216 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 27157 | 0 | 8059 |
| ISHARES TR | CORE S SCP ETF | 464287804 |  | 672768 | 5598 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 5192 | 0 | 406 |
| ISHARES TR | CORE S ETF | 464287200 |  | 705985 | 1031 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 507 | 0 | 524 |
| ISHARES TR | CORE US AGGBD ET | 464287226 |  | 2038152 | 20406 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 12225 | 0 | 8181 |
| ISHARES TR | MICRO-CAP ETF | 464288869 |  | 235289 | 1492 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 830 | 0 | 662 |
| ISHARES TR | MSCI EAFE ETF | 464287465 |  | 355696 | 3704 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2564 | 0 | 1140 |
| ISHARES TR | MSCI EMG MKT ETF | 464287234 |  | 602850 | 11019 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 8768 | 0 | 2251 |
| ISHARES TR | RUS 1000 GRW ETF | 464287614 |  | 1691101 | 3573 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3130 | 0 | 443 |
| ISHARES TR | RUS 1000 VAL ETF | 464287598 |  | 857346 | 4076 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2530 | 0 | 1546 |
| ISHARES TR | RUSSELL 2000 ETF | 464287655 |  | 609739 | 2477 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2477 | 0 | 0 |
| ISHARES TR | S 500 GRWT ETF | 464287309 |  | 2072864 | 16817 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 12728 | 0 | 4089 |
| ISHARES TR | S 500 VAL ETF | 464287408 |  | 353309 | 1666 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1306 | 0 | 360 |
| ISHARES TR | SELECT US REIT | 464287564 |  | 380934 | 6384 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 6384 | 0 | 0 |
| ISHARES TR | SP SMCP600VL ETF | 464287879 |  | 1451068 | 12760 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 8885 | 0 | 3875 |
| ISHARES TR | TIPS BD ETF | 464287176 |  | 1611717 | 14664 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 8370 | 0 | 6294 |
| ISHARES TR | TRUST ISHARE 0-1 | 464288679 |  | 5519507 | 50109 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 31069 | 0 | 19040 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 4828558 | 23332 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 21718 | 0 | 1614 |
| JOHNSON CTLS INTL PLC | SHS | G51502105 |  | 374818 | 3130 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3130 | 0 | 0 |
| JPMORGAN CHASE  CO. | COM | 46625H100 |  | 741751 | 2302 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2302 | 0 | 0 |
| MEDTRONIC PLC | SHS | G5960L103 |  | 275501 | 2868 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2868 | 0 | 0 |
| MERCK  CO INC | COM | 58933Y105 |  | 5873824 | 55803 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 52338 | 0 | 3465 |
| MICROSOFT CORP | COM | 594918104 |  | 411077 | 850 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 840 | 0 | 10 |
| NEXTERA ENERGY INC | COM | 65339F101 |  | 609005 | 7586 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 7586 | 0 | 0 |
| PEPSICO INC | COM | 713448108 |  | 567048 | 3951 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3900 | 0 | 51 |
| PFIZER INC | COM | 717081103 |  | 201242 | 8082 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 5392 | 0 | 2690 |
| PROCTER AND GAMBLE CO | COM | 742718109 |  | 504738 | 3522 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3419 | 0 | 103 |
| PROLOGIS INC. | COM | 74340W103 |  | 902557 | 7070 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 7070 | 0 | 0 |
| PUBLIC STORAGE OPER CO | COM | 74460D109 |  | 421947 | 1626 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1626 | 0 | 0 |
| REALTY INCOME CORP | COM | 756109104 |  | 424241 | 7526 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 7526 | 0 | 0 |
| SBA COMMUNICATIONS CORP NEW | CL A | 78410G104 |  | 221671 | 1146 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1146 | 0 | 0 |
| SCHWAB STRATEGIC TR | EMRG MKTEQ ETF | 808524706 |  | 965661 | 29486 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 29406 | 0 | 80 |
| SCHWAB STRATEGIC TR | INTL EQTY ETF | 808524805 |  | 1248907 | 51951 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 51909 | 0 | 42 |
| SCHWAB STRATEGIC TR | SHT TM US TRES | 808524862 |  | 3973748 | 163059 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 163059 | 0 | 0 |
| SCHWAB STRATEGIC TR | US BRD MKT ETF | 808524102 |  | 3006252 | 114611 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 114287 | 0 | 324 |
| SCHWAB STRATEGIC TR | US LCAP VA ETF | 808524409 |  | 463782 | 15663 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 15663 | 0 | 0 |
| SCHWAB STRATEGIC TR | US LRG CAP ETF | 808524201 |  | 2302904 | 85578 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 85398 | 0 | 180 |
| SCHWAB STRATEGIC TR | US SML CAP ETF | 808524607 |  | 2233634 | 78428 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 67717 | 0 | 10711 |
| SELECT SECTOR SPDR TR | STATE STREET TEC | 81369Y803 |  | 266057 | 1848 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1848 | 0 | 0 |
| SIMON PPTY GROUP INC NEW | COM | 828806109 |  | 491653 | 2656 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2656 | 0 | 0 |
| SPDR INDEX SHS FDS | PORTFOLIO DEVLPD | 78463X889 |  | 3382780 | 76172 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 72469 | 0 | 3703 |
| SPDR INDEX SHS FDS | PORTFOLIO EMG MK | 78463X509 |  | 921346 | 19683 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 14710 | 0 | 4973 |
| SPDR S 500 ETF TR | TR UNIT | 78462F103 |  | 591025 | 867 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 354 | 0 | 513 |
| SPDR SERIES TRUST | STATE STREET SPD | 78464A508 |  | 3366165 | 59253 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 55739 | 0 | 3514 |
| SPDR SERIES TRUST | STATE STREET SPD | 78468R853 |  | 661617 | 14119 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 11205 | 0 | 2914 |
| SPDR SERIES TRUST | STATE STREET SPD | 78464A300 |  | 1235464 | 13581 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 13581 | 0 | 0 |
| SPDR SERIES TRUST | STATE STREET SPD | 78464A854 |  | 2653277 | 33075 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 27879 | 0 | 5196 |
| TE CONNECTIVITY PLC | ORD SHS | G87052109 |  | 255722 | 1124 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1124 | 0 | 0 |
| THE CIGNA GROUP | COM | 125523100 |  | 559543 | 2033 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2033 | 0 | 0 |
| VANGUARD BD INDEX FDS | SHORT TRM BOND | 921937827 |  | 2277215 | 28895 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 20485 | 0 | 8410 |
| VANGUARD BD INDEX FDS | TOTAL BND MRKT | 921937835 |  | 1136308 | 15341 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 12738 | 0 | 2603 |
| VANGUARD CHARLOTTE FDS | TOTAL INT BD ETF | 92203J407 |  | 371049 | 7679 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 5816 | 0 | 1863 |
| VANGUARD INDEX FDS | GROWTH ETF | 922908736 |  | 38640937 | 79205 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 64069 | 0 | 15136 |
| VANGUARD INDEX FDS | LARGE CAP ETF | 922908637 |  | 1833289 | 5824 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2662 | 0 | 3162 |
| VANGUARD INDEX FDS | REAL ESTATE ETF | 922908553 |  | 6253960 | 70674 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 57545 | 0 | 13129 |
| VANGUARD INDEX FDS | S 500 ETF SHS | 922908363 |  | 5169166 | 8243 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 7584 | 0 | 659 |
| VANGUARD INDEX FDS | SM CP VAL ETF | 922908611 |  | 6489673 | 30642 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 22760 | 0 | 7882 |
| VANGUARD INDEX FDS | SMALL CP ETF | 922908751 |  | 6437684 | 24957 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 16811 | 0 | 8146 |
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 |  | 2296971 | 6851 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 5407 | 0 | 1444 |
| VANGUARD INDEX FDS | VALUE ETF | 922908744 |  | 11390625 | 59640 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 50858 | 0 | 8782 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 |  | 3781027 | 70332 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 51146 | 0 | 19186 |
| VANGUARD MALVERN FDS | SHORT DURATION B | 922020730 |  | 1088770 | 14236 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 4398 | 0 | 9838 |
| VANGUARD MALVERN FDS | STRM INFPROIDX | 922020805 |  | 582478 | 11777 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 5671 | 0 | 6106 |
| VANGUARD MUN BD FDS | SHORT TAX EXEMPT | 922907696 |  | 317192 | 4149 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1857 | 0 | 2292 |
| VANGUARD MUN BD FDS | TAX EXEMPT BD | 922907746 |  | 4161045 | 82741 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 64740 | 0 | 18001 |
| VANGUARD SCOTTSDALE FDS | INT-TERM CORP | 92206C870 |  | 3219207 | 38438 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 25680 | 0 | 12758 |
| VANGUARD SCOTTSDALE FDS | SHORT TERM TREAS | 92206C102 |  | 2887872 | 49172 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 23422 | 0 | 25750 |
| VANGUARD SCOTTSDALE FDS | TOTAL CORP BND | 92206C573 |  | 233268 | 3004 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 981 | 0 | 2023 |
| VANGUARD SCOTTSDALE FDS | TOTAL WLD BD ETF | 92206C565 |  | 309125 | 4497 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2525 | 0 | 1972 |
| VANGUARD SCOTTSDALE FDS | VNG RUS1000IDX | 92206C730 |  | 1367502 | 4425 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 3061 | 0 | 1364 |
| VANGUARD SPECIALIZED FUNDS | DIV APP ETF | 921908844 |  | 304396 | 1385 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 1355 | 0 | 30 |
| VANGUARD STAR FDS | VG TL INTL STK F | 921909768 |  | 248274 | 3291 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 2170 | 0 | 1121 |
| VANGUARD TAX-MANAGED FDS | VAN FTSE DEV MKT | 921943858 |  | 8126807 | 130091 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 107658 | 0 | 22433 |
| VANGUARD WHITEHALL FDS | INTL HIGH ETF | 921946794 |  | 20218950 | 224655 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 224655 | 0 | 0 |
| VANGUARD WORLD FD | ESG US CORP BD | 921910691 |  | 418559 | 6578 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 6578 | 0 | 0 |
| VANGUARD WORLD FD | INF TECH ETF | 92204A702 |  | 626392 | 831 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 539 | 0 | 292 |
| VANGUARD WORLD FD | UTILITIES ETF | 92204A876 |  | 9975304 | 53909 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 52864 | 0 | 1045 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 |  | 8308554 | 203991 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 189717 | 0 | 14274 |
| VICI PPTYS INC | COM | 925652109 |  | 311908 | 11092 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 11092 | 0 | 0 |
| WORLD GOLD TR | SPDR GLD MINIS | 98149E303 |  | 43794268 | 512994 | SH |  | SOLE | AMERICAN INVESTMENT SERVICES INC. | 436751 | 0 | 76243 |

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