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American Investment Services, Inc.

CIK:0001369913
Investment Adviser
$392M AUM
133 holdings
Concord, MA, United States
Founded:1978
8 employees
Latest filing:Jun 30, 2025

American Investment Services, Inc. (AIS), headquartered in Concord, Massachusetts, is an SEC-registered investment adviser founded in 1978. The firm provides wealth management and financial planning services primarily to individuals, charitable organizations, businesses, and municipalities. They emphasize structured, low-cost portfolio management and integrate financial planning in their service. AIS primarily utilizes mutual funds, ETFs, and individual securities, and is known for offering a monthly newsletter and customized managed accounts. The firm employs a small team, focusing on personalized service and prudent portfolio theory.

Investment Strategy

AIS delivers individualized, structured, and low-cost asset management solutions, functioning as a fiduciary for clients. Their investment approach centers on diversified portfolios predominantly composed of mutual funds, ETFs, and individual securities from leading low-cost providers such as Dimensional Fund Advisors and Vanguard. Portfolios are managed on a discretionary basis and customized to accommodate specific client goals, risk tolerance, and restrictions, with continual monitoring and quarterly reviews. Financial planning is integrated for all clients, and independent advisers may be incorporated for customized accounts aligned with established strategies.

Top Buys
V
VYMIVANGUARD WHITEHALL FDS
+$1.2M
M
MRKMERCK & CO INC
+$1.0M
D
DFEMDIMENSIONAL ETF TRUST
+$925.7K
V
VBVANGUARD INDEX FDS
+$900.3K
J
JNJJOHNSON & JOHNSON
+$511.5K
Top Sells
D
DFUSDIMENSIONAL ETF TRUST
-$27.9M
Q
QQQINVESCO QQQ TR
-$15.6M
M
MGCVANGUARD WORLD FD
-$15.5M
S
SPYSPDR S&P 500 ETF TR
-$15.2M
D
DFUVDIMENSIONAL ETF TRUST
-$14.0M

Top Holdings

G
GLDMWORLD GOLD TR
+9.6%$37.7M
V
VUGVANGUARD INDEX FDS
+9.1%$35.7M
D
DFUVDIMENSIONAL ETF TRUST
+5.4%$21.0M
V
VYMIVANGUARD WHITEHALL FDS
+4.9%$19.4M
D
DFASDIMENSIONAL ETF TRUST
+2.8%$11.0M

Equity Positions (133)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
G
GLDM
WORLD GOLD TR9.63%$37.7M576,066$38.39$65.52-$3.8M
V
VUG
VANGUARD INDEX FDS9.10%$35.7M81,335$102.47$438.40-$2.7M
D
DFUV
DIMENSIONAL ETF TRUST5.37%$21.0M497,425$31.59$42.28-$14.0M
V
VYMI
VANGUARD WHITEHALL FDS4.95%$19.4M241,858$60.83$80.11+$1.2M
D
DFAS
DIMENSIONAL ETF TRUST2.80%$11.0M171,913$57.49$63.71+$126.0K

Industry Allocation

COMMODITY CONTRACTS BROKERS & DEALERS
+11.8%
PETROLEUM REFINING
+2.4%
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
+2.3%
PHARMACEUTICAL PREPARATIONS
+1.7%
REAL ESTATE INVESTMENT TRUSTS
+1.6%