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American Investment Services, Inc. — 13F Holdings & Portfolio

CIK 1369913 · latest 13F-HR filed 2026-08-12

Backtest portfolio

American Investment Services, Inc. manages $473.3M in 13F-reported U.S. long-equity assets across 133 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GLDM (8.25%), VUG (8.22%), DFUV (5.52%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 4 new positions and exited 3; 80 existing positions rose in reported value and 20 fell.

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
$473.3M

Long-equity book

Holdings
133

Distinct positions

Period
2026-06-30

Filed 2026-08-12

Q/Q Activity
+4 / −3 / ↑80 / ↓20

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
GLDM8.2% · +5%VUG8.2% · +469%DFUV5.5% · -1%VYMI4.3% · -5%DFAS3.2% · +2%DFIC3.2% · +2%DFUS3.1% · +5%VTV2.8% · -0%DFGR2.4% · +8%DFEM2.3% · -0%VPU2.3% · +4%DFAT2.1% · -0%VSDM2.1% · +10%CVX2.0% · -1%MRK2.0% · +9%DFAW1.9% · -3%DFAX1.9% · +6%VEA1.9% · -2%VZ1.8% · +8%VBR1.6% · -1%VNQ1.5% · +0%IAU1.4% · -2%VB1.4% · -13%DFSV1.3% · +1%VOO1.3% · +1%DFLV1.1% · +5%DFNM1.0% · +0%SCHO0.9% · +2%AMGN0.9% · -13%SHV0.9% · -23%VTEB0.9% · +1%VWO0.8% · -6%SPDW0.8% · -2%JNJ0.8% · -36%SPYV0.7% · -1%VCIT0.7% · +1%SCHB0.6% · 0%BRK.B0.6% · 0%SPYM0.6% · -1%SCHA0.6% · -1%SHY0.6% · -2%VGSH0.6% · -8%BSV0.5% · +3%DFAI0.5% · -14%SCHX0.5% · 0%VTI0.5% · -3%DFSD0.5% · +23%IVW0.5% · -2%DFAU0.4% · -0%VV0.4% · +1%DFGP0.4% · +3%RSP0.4% · 0%NKE0.4% · +392%DFIV0.4% · 0%AGG0.4% · -15%UNH0.4% · +10%LLY0.4% · 0%IJS0.4% · -1%IWF0.4% · +295%DFAE0.4% · -3%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 43.2%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 31, 2026.

Assets Under Management
$1.07B
Discretionary
$1.07B
Employees
10
Accounts
1,126
Address
250 DIVISION STREET
GREAT BARRINGTON, MA 01230
Phone
(413) 591-4445
Website
Mailing Address
PO BOX 1000, GREAT BARRINGTON, MA, 01230
Name Title / Status Ownership Type
AMERICAN INSTITUTE FOR ECONOMIC RESEARCH ControlPARENT ORGANIZATION
since Oct 1978
75% or moreDomestic Entity
BARRY, JOHN, LANE ControlPRESIDENT & CEO
since Jan 2000
Less than 5%Individual
BOUFFARD, ROY, EDGAR ControlDIRECTOR
since Jul 2012
Less than 5%Individual
FURLANO, NELSON ControlDIRECTOR & CHAIRMAN
since Oct 2014
Less than 5%Individual
HOLDEN, NEIL, DONOVAN ControlDIRECTOR
since Oct 2011
Less than 5%Individual
Lordeman, James, Charles ControlDIRECTOR
since Dec 2023
Less than 5%Individual
MURPHY, CHARLES, DWAYNE ControlTREASURER
since Dec 2009
Less than 5%Individual
Storti, Tricia, Rae ControlCHIEF OPERATING OFFICER
since Dec 2023
Less than 5%Individual
POTTER-STEVENSON, SANDRACHIEF COMPLIANCE OFFICER
since Aug 2017
Less than 5%Individual
Ownership & leadership changes · 14 filings with changes since Mar 27, 2012

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Mar 31, 2026 filing
  • No longer listedST. PETER, DAVID, FRANCIS · SECRETARY · Less than 5% · control person · listed since Feb 2010
  • No longer listedVANKIPNIS, GREGORY, MATTHEW · DIRECTOR & CHAIRMAN · Less than 5% · control person · listed since Oct 2024
  • ChangedFURLANO, NELSON · title DIRECTOR → DIRECTOR & CHAIRMAN
Mar 31, 2025 filing
  • Listed againVANKIPNIS, GREGORY, MATTHEW · DIRECTOR & CHAIRMAN · Less than 5% · control person
Mar 29, 2024 filing
  • No longer listedSOHAN, GERALD, EDWIN · DIRECTOR · Less than 5% · control person · listed since Oct 2011
  • AddedLordeman, James, Charles · DIRECTOR · Less than 5% · control person
  • AddedStorti, Tricia, Rae · CHIEF OPERATING OFFICER · Less than 5% · control person
Mar 30, 2022 filing
  • No longer listedHOFFMAN, SETH, LAWRENCE · EXECUTIVE VICE PRESIDENT · Less than 5% · control person · listed since Jan 2008
  • No longer listedKENT, HOWARD, PAUL · DIRECTOR · Less than 5% · control person · listed since Oct 2020
Mar 31, 2021 filing
  • AddedKENT, HOWARD, PAUL · DIRECTOR · Less than 5% · control person
Jun 30, 2020 filing
  • No longer listedRIZZO, MICHAEL, JOHN · DIRECTOR · Less than 5% · control person · listed since Oct 2019
Apr 1, 2020 filing
  • No longer listedFINNERTY, JOHN, JAMES · DIRECTOR · Less than 5% · control person · listed since Oct 2016
  • AddedRIZZO, MICHAEL, JOHN · DIRECTOR · Less than 5% · control person
Apr 3, 2018 filing
  • ChangedHOFFMAN, SETH, LAWRENCE · title VICE PRESIDENT → EXECUTIVE VICE PRESIDENT
Sep 21, 2017 filing
  • AddedPOTTER-STEVENSON, SANDRA · CHIEF COMPLIANCE OFFICER · Less than 5%
  • ChangedBARRY, JOHN, LANE · title PRESIDENT, CEO & CCO → PRESIDENT & CEO
Nov 4, 2016 filing
  • No longer listedVANKIPNIS, GREGORY, MATTHEW · DIRECTOR · Less than 5% · control person · listed since Jan 2006
  • AddedFINNERTY, JOHN, JAMES · DIRECTOR · Less than 5% · control person
Older changes (5 more filings)
Oct 9, 2015 filing
  • No longer listedWEAVER, CHRISTINE, MARIE · CHIEF COMPLIANCE OFFICER · Less than 5% · control person · listed since Jan 2014
  • ChangedBARRY, JOHN, LANE · title PRESIDENT & CEO → PRESIDENT, CEO & CCO
Nov 24, 2014 filing
  • No longer listedHARWOOD, FREDERICK, CROSBY · DIRECTOR · Less than 5% · control person · listed since Jan 2008
  • AddedFURLANO, NELSON · DIRECTOR · Less than 5% · control person
Mar 27, 2014 filing
  • AddedWEAVER, CHRISTINE, MARIE · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • ChangedHOFFMAN, SETH, LAWRENCE · title CHIEF COMPLIANCE OFFICER → VICE PRESIDENT
Jul 13, 2012 filing
  • AddedBOUFFARD, ROY, EDGAR · DIRECTOR · Less than 5% · control person
Mar 27, 2012 filing (earliest on record)
  • ListedAMERICAN INSTITUTE FOR ECONOMIC RESEARCH · PARENT ORGANIZATION · 75% or more · control person
  • ListedBARRY, JOHN, LANE · PRESIDENT & CEO · Less than 5% · control person
  • ListedHARWOOD, FREDERICK, CROSBY · DIRECTOR · Less than 5% · control person
  • ListedHOFFMAN, SETH, LAWRENCE · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • ListedHOLDEN, NEIL, DONOVAN · DIRECTOR · Less than 5% · control person
  • ListedMURPHY, CHARLES, DWAYNE · TREASURER · Less than 5% · control person
  • ListedSOHAN, GERALD, EDWIN · DIRECTOR · Less than 5% · control person
  • ListedST. PETER, DAVID, FRANCIS · SECRETARY · Less than 5% · control person
  • ListedVANKIPNIS, GREGORY, MATTHEW · DIRECTOR · Less than 5% · control person

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 80 →

Top Trims

Show all 20 →

New Positions

Show all 4 →

Exited Positions

Show all 3 →

American Investment Services, Inc. Holdings (2026-06-30)

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 $39.0M 8.25% 491,625 SH
2 VANGUARD INDEX FDS VUG 922908736 $38.9M 8.22% 451,625 SH
3 DIMENSIONAL ETF TRUST DFUV 25434V724 $26.1M 5.52% 474,682 SH
4 VANGUARD WHITEHALL FDS VYMI 921946794 $20.3M 4.29% 206,897 SH
5 DIMENSIONAL ETF TRUST DFAS 25434V500 $15.1M 3.20% 183,701 SH
6 DIMENSIONAL ETF TRUST DFIC 25434V799 $15.0M 3.18% 403,790 SH
7 DIMENSIONAL ETF TRUST DFUS 25434V401 $14.9M 3.15% 181,888 SH
8 VANGUARD INDEX FDS VTV 922908744 $13.1M 2.76% 60,000 SH
9 DIMENSIONAL ETF TRUST DFGR 25434V658 $11.2M 2.37% 386,559 SH
10 DIMENSIONAL ETF TRUST DFEM 25434V732 $11.0M 2.31% 269,464 SH
11 VANGUARD WORLD FD VPU 92204A876 $10.8M 2.28% 55,147 SH
12 DIMENSIONAL ETF TRUST DFAT 25434V609 $10.0M 2.10% 142,440 SH
13 VANGUARD MUN BD FDS VSDM 922907696 $9.9M 2.08% 128,709 SH
14 CHEVRON CORPORATION CVX 166764100 $9.4M 1.99% 56,711 SH
15 MERCK & CO INC MRK 58933Y105 $9.3M 1.96% 72,201 SH
16 DIMENSIONAL ETF TRUST DFAW 25434V617 $9.1M 1.92% 110,004 SH
17 DIMENSIONAL ETF TRUST DFAX 25434V880 $9.1M 1.92% 247,021 SH
18 VANGUARD TAX-MANAGED FDS VEA 921943858 $8.8M 1.86% 123,861 SH
19 VERIZON COMMUNICATIONS INC VZ 92343V104 $8.7M 1.84% 205,596 SH
20 VANGUARD INDEX FDS VBR 922908611 $7.4M 1.56% 30,374 SH
21 VANGUARD INDEX FDS VNQ 922908553 $6.9M 1.46% 71,580 SH
22 ISHARES GOLD TR IAU 464285204 $6.8M 1.43% 89,415 SH
23 VANGUARD INDEX FDS VB 922908751 $6.7M 1.42% 22,163 SH
24 DIMENSIONAL ETF TRUST DFSV 25434V815 $6.0M 1.28% 155,852 SH
25 VANGUARD INDEX FDS VOO 922908363 $6.0M 1.26% 8,694 SH
26 DIMENSIONAL ETF TRUST DFLV 25434V666 $5.4M 1.14% 136,747 SH
27 DIMENSIONAL ETF TRUST DFNM 25434V849 $4.8M 1.01% 98,541 SH
28 SCHWAB STRATEGIC TR SCHO 808524862 $4.5M 0.94% 184,987 SH
29 AMGEN INC AMGN 031162100 $4.4M 0.94% 12,224 SH
30 ISHARES TR SHV 464288679 $4.3M 0.92% 39,336 SH
31 VANGUARD MUN BD FDS VTEB 922907746 $4.2M 0.88% 82,194 SH
32 VANGUARD INTL EQUITY INDEX F VWO 922042858 $3.9M 0.83% 65,771 SH
33 SPDR INDEX SHS FDS SPDW 78463X889 $3.6M 0.77% 72,183 SH
34 JOHNSON & JOHNSON JNJ 478160104 $3.6M 0.76% 14,085 SH
35 SPDR SERIES TRUST SPYV 78464A508 $3.5M 0.75% 58,237 SH
36 VANGUARD SCOTTSDALE FDS VCIT 92206C870 $3.2M 0.68% 38,787 SH
37 SCHWAB STRATEGIC TR SCHB 808524102 $3.0M 0.63% 102,887 SH
38 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $2.8M 0.60% 5,677 SH
39 SPDR SERIES TRUST SPYM 78464A854 $2.8M 0.59% 32,000 SH
40 SCHWAB STRATEGIC TR SCHA 808524607 $2.7M 0.58% 75,428 SH
41 ISHARES TR SHY 464287457 $2.7M 0.57% 33,084 SH
42 VANGUARD SCOTTSDALE FDS VGSH 92206C102 $2.7M 0.57% 46,009 SH
43 VANGUARD BD INDEX FDS BSV 921937827 $2.6M 0.55% 33,262 SH
44 DIMENSIONAL ETF TRUST DFAI 25434V203 $2.5M 0.54% 61,801 SH
45 SCHWAB STRATEGIC TR SCHX 808524201 $2.5M 0.53% 85,125 SH
46 VANGUARD INDEX FDS VTI 922908769 $2.4M 0.52% 6,612 SH
47 DIMENSIONAL ETF TRUST DFSD 25434V864 $2.3M 0.48% 47,901 SH
48 ISHARES TR IVW 464287309 $2.2M 0.47% 16,072 SH
49 DIMENSIONAL ETF TRUST DFAU 25434V104 $2.1M 0.44% 40,412 SH
50 VANGUARD INDEX FDS VV 922908637 $2.0M 0.43% 5,955 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-12 $473.3M 133 0001369913-26-000003
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
Filer Information
Address
250 DIVISION STREET
POST OFFICE BOX 1000
GREAT BARRINGTON, MA 01230-1000
Phone
(413) 591-4445
Filing Manager
American Investment Services, Inc.
GREAT BARRINGTON, MA
Signatory
Sandra Potter-Stevenson
Chief Compliance Officer