13F HOLDINGS REPORT

American Investment Services, Inc.

Quarter ended Q3 2025 · Filed November 13, 2025 · Accession 0001369913-25-000003

Total Value

$416.2M

Positions

134

Other Managers

Confidential Omitted

View on SEC.gov

Holdings (134)

#	Issuer	Ticker / CUSIP	Shares	Value	% of Filing
1	WORLD GOLD TR	GLDW	563,355	$43.1M	10.35%
2	VANGUARD INDEX FDS	922908736	79,781	$38.3M	9.19%
3	DIMENSIONAL ETF TRUST	25434V724	484,639	$21.7M	5.20%
4	VANGUARD WHITEHALL FDS	921946794	220,658	$18.7M	4.49%
5	DIMENSIONAL ETF TRUST	25434V799	354,126	$11.6M	2.79%
6	DIMENSIONAL ETF TRUST	25434V500	167,913	$11.5M	2.76%
7	VANGUARD INDEX FDS	922908744	58,997	$11.0M	2.64%
8	DIMENSIONAL ETF TRUST	25434V401	148,791	$10.8M	2.59%
9	VANGUARD WORLD FD	92204A876	53,427	$10.1M	2.43%
10	ISHARES GOLD TR	IAU	128,209	$9.3M	2.24%
11	VERIZON COMMUNICATIONS INC	VZ	205,279	$9.0M	2.17%
12	CHEVRON CORP NEW	CVX	57,366	$8.9M	2.14%
13	VANGUARD TAX-MANAGED FDS	921943858	142,103	$8.5M	2.05%
14	DIMENSIONAL ETF TRUST	25434V609	145,405	$8.5M	2.03%
15	DIMENSIONAL ETF TRUST	25434V732	254,482	$8.2M	1.96%
16	DIMENSIONAL ETF TRUST	25434V658	279,919	$7.6M	1.84%
17	DIMENSIONAL ETF TRUST	25434V880	241,046	$7.6M	1.82%
18	DIMENSIONAL ETF TRUST	25434V617	102,725	$7.4M	1.77%
19	VANGUARD INDEX FDS	922908611	32,046	$6.7M	1.61%
20	VANGUARD INDEX FDS	922908751	25,800	$6.6M	1.58%
21	VANGUARD INDEX FDS	922908553	70,411	$6.4M	1.55%
22	VANGUARD INDEX FDS	922908363	9,263	$5.7M	1.36%
23	ISHARES TR	464288679	50,284	$5.6M	1.33%
24	DIMENSIONAL ETF TRUST	25434V815	147,289	$4.7M	1.13%
25	JOHNSON & JOHNSON	JNJ	22,697	$4.2M	1.01%
26	INTERNATIONAL BUSINESS MACHS	INTR	14,351	$4.0M	0.97%
27	MERCK & CO INC	MRK	45,826	$3.8M	0.92%
28	VANGUARD MUN BD FDS	922907746	76,722	$3.8M	0.92%
29	VANGUARD INTL EQUITY INDEX F	922042858	66,375	$3.6M	0.86%
30	DIMENSIONAL ETF TRUST	25434V666	107,840	$3.5M	0.85%
31	SPDR INDEX SHS FDS	78463X889	80,128	$3.4M	0.82%
32	SCHWAB STRATEGIC TR	808524862	140,336	$3.4M	0.82%
33	SPDR SERIES TRUST	78464A508	60,765	$3.4M	0.81%
34	DIMENSIONAL ETF TRUST	25434V849	64,110	$3.1M	0.74%
35	ISHARES TR	464287457	35,894	$3.0M	0.72%
36	VANGUARD SCOTTSDALE FDS	92206C102	50,168	$3.0M	0.71%
37	VANGUARD SCOTTSDALE FDS	92206C870	34,666	$2.9M	0.70%
38	SPDR SERIES TRUST	78464A854	36,956	$2.9M	0.70%
39	BERKSHIRE HATHAWAY INC DEL	BRK-A	5,677	$2.9M	0.69%
40	AMGEN INC	AMGN	9,719	$2.7M	0.66%
41	DIMENSIONAL ETF TRUST	25434V203	66,480	$2.4M	0.58%
42	VANGUARD INDEX FDS	922908769	7,055	$2.3M	0.56%
43	ISHARES TR	464287309	18,895	$2.3M	0.55%
44	SCHWAB STRATEGIC TR	808524201	86,260	$2.3M	0.55%
45	VANGUARD BD INDEX FDS	921937827	28,218	$2.2M	0.53%
46	SCHWAB STRATEGIC TR	808524607	79,232	$2.2M	0.53%
47	VANGUARD INDEX FDS	922908637	6,422	$2.0M	0.48%
48	EXXON MOBIL CORP	XOM	16,356	$1.8M	0.44%
49	INVESCO EXCHANGE TRADED FD T	IVZ	9,522	$1.8M	0.43%
50	DIMENSIONAL ETF TRUST	25434V831	44,456	$1.7M	0.40%
51	ISHARES TR	464287614	3,578	$1.7M	0.40%
52	DIMENSIONAL ETF TRUST	25434V807	35,997	$1.7M	0.40%
53	ISHARES TR	464287226	16,315	$1.6M	0.39%
54	DIMENSIONAL ETF TRUST	25434V583	29,270	$1.6M	0.39%
55	ISHARES TR	464287176	14,203	$1.6M	0.38%
56	DIMENSIONAL ETF TRUST	25434V104	33,487	$1.5M	0.37%
57	DIMENSIONAL ETF TRUST	25434V864	31,080	$1.5M	0.36%
58	ISHARES TR	464287879	12,950	$1.4M	0.34%
59	DOW INC	DOW	61,251	$1.4M	0.34%
60	VANGUARD SCOTTSDALE FDS	92206C730	4,425	$1.3M	0.32%
61	DIMENSIONAL ETF TRUST	25434V302	41,692	$1.3M	0.32%
62	SCHWAB STRATEGIC TR	808524805	53,224	$1.2M	0.30%
63	SPDR SERIES TRUST	78464A300	13,603	$1.2M	0.29%
64	3M CO	MMM	7,156	$1.1M	0.27%
65	ELI LILLY & CO	LLY	1,395	$1.1M	0.26%
66	VANGUARD BD INDEX FDS	921937835	13,696	$1.0M	0.24%
67	SCHWAB STRATEGIC TR	808524706	29,483	$983,842	0.24%
68	SPDR INDEX SHS FDS	78463X509	19,827	$928,085	0.22%
69	JPMORGAN CHASE & CO.	VYLD	2,837	$894,875	0.22%
70	SPDR SERIES TRUST	78468R853	18,854	$873,318	0.21%
71	HOME DEPOT INC	HD	2,140	$867,107	0.21%
72	DIMENSIONAL ETF TRUST	25434V641	11,884	$864,226	0.21%
73	ISHARES TR	464287598	4,076	$829,833	0.20%
74	PROLOGIS INC.	PLDGP	7,070	$809,657	0.19%
75	BERKSHIRE HATHAWAY INC DEL	BRK-A	1	$754,200	0.18%
76	EQUINIX INC	EQIX	929	$727,630	0.17%
77	AMERICAN TOWER CORP NEW	03027X100	3,599	$692,160	0.17%
78	PROCTER AND GAMBLE CO	742718109	4,497	$690,965	0.17%
79	ISHARES TR	464287200	1,031	$689,865	0.17%
80	CISCO SYS INC	CSCO	10,076	$689,400	0.17%
81	ISHARES TR	464287804	5,786	$687,551	0.17%
82	GE AEROSPACE	369604301	2,097	$630,820	0.15%
83	ISHARES TR	464287234	11,713	$625,475	0.15%
84	VANGUARD WORLD FD	92204A702	815	$608,504	0.15%
85	ISHARES TR	464287655	2,477	$599,335	0.14%
86	SPDR S&P 500 ETF TR	SPY	899	$598,936	0.14%
87	THE CIGNA GROUP	125523100	2,033	$586,013	0.14%
88	DIMENSIONAL ETF TRUST	25434V823	24,329	$580,247	0.14%
89	NEXTERA ENERGY INC	NEE-PW	7,586	$572,668	0.14%
90	PEPSICO INC	PEP	3,951	$554,879	0.13%
91	VANGUARD MALVERN FDS	922020805	10,865	$550,082	0.13%
92	DIGITAL RLTY TR INC	253868103	3,030	$523,827	0.13%
93	APPLE INC	AAPL	2,028	$516,268	0.12%
94	SCHWAB STRATEGIC TR	808524409	17,298	$503,545	0.12%
95	SIMON PPTY GROUP INC NEW	828806109	2,656	$498,452	0.12%
96	PUBLIC STORAGE OPER CO	PSA-PS	1,626	$469,671	0.11%
97	REALTY INCOME CORP	O	7,526	$457,506	0.11%
98	MICROSOFT CORP	MSFT	850	$440,258	0.11%
99	VANGUARD CHARLOTTE FDS	92203J407	8,809	$435,715	0.10%
100	VANGUARD WORLD FD	921910691	6,459	$414,668	0.10%
101	ISHARES TR	464287564	6,384	$393,383	0.09%
102	ISHARES TR	464287408	1,877	$387,620	0.09%
103	COLGATE PALMOLIVE CO	CL	4,800	$383,712	0.09%
104	CROWN CASTLE INC	CCI	3,972	$383,259	0.09%
105	ISHARES TR	464287465	4,089	$381,790	0.09%
106	VICI PPTYS INC	925652109	11,092	$361,711	0.09%
107	DIMENSIONAL ETF TRUST	25434V740	10,979	$350,121	0.08%
108	JOHNSON CTLS INTL PLC	G51502105	3,130	$344,144	0.08%
109	HARTFORD INSURANCE GROUP INC	HIG-PG	2,423	$323,204	0.08%
110	EXTRA SPACE STORAGE INC	EXR	2,249	$316,975	0.08%
111	IRON MTN INC DEL	46284V101	3,103	$316,320	0.08%
112	VANGUARD SCOTTSDALE FDS	92206C565	4,454	$310,283	0.07%
113	TE CONNECTIVITY PLC	TEL	1,391	$305,367	0.07%
114	VANGUARD SPECIALIZED FUNDS	921908844	1,414	$305,128	0.07%
115	AVALONBAY CMNTYS INC	AWX	1,481	$286,085	0.07%
116	SPDR GOLD TR	GLD	798	$283,666	0.07%
117	MEDTRONIC PLC	MDT	2,868	$273,149	0.07%
118	ISHARES TR	464288323	4,925	$262,749	0.06%
119	AUTOMATIC DATA PROCESSING IN	ADP	895	$262,683	0.06%
120	SELECT SECTOR SPDR TR	81369Y803	924	$260,439	0.06%
121	VANGUARD STAR FDS	921909768	3,513	$258,065	0.06%
122	VANGUARD INTL EQUITY INDEX F	922042742	1,848	$254,680	0.06%
123	VANGUARD SCOTTSDALE FDS	92206C847	4,417	$251,151	0.06%
124	WALMART INC	WMT	2,310	$238,069	0.06%
125	EQUITY RESIDENTIAL	EQR	3,665	$237,236	0.06%
126	ISHARES INC	46434G764	3,456	$233,315	0.06%
127	VANGUARD SCOTTSDALE FDS	92206C573	2,948	$231,042	0.06%
128	ISHARES TR	464288869	1,492	$222,443	0.05%
129	SBA COMMUNICATIONS CORP NEW	SBAC	1,146	$221,580	0.05%
130	GLOBAL X FDS	37954Y657	11,328	$220,104	0.05%
131	PFIZER INC	PFE	8,542	$217,651	0.05%
132	VANGUARD WHITEHALL FDS	921946406	1,542	$217,345	0.05%
133	CATERPILLAR INC	CAT	428	$204,221	0.05%
134	VANGUARD INTL EQUITY INDEX F	922042676	4,197	$200,365	0.05%