American Investment Services, Inc.
CIK
1369913
Location
GREAT BARRINGTON, MA
Portfolio Value
Small
$114,477,277
Diversification
Moderately concentrated
Filing Date
Global Rank
#5,401
/ 8,604
▲ 313
· as of Mar 2026
Top Industry
Drug Manufacturers - General
31.5%
3Y Alpha vs SPY
+0.7%
Period ended 3 months ago
Filed May 13, 2026 · 56d
25 quarters · since Mar 2020
Clone Performance
Jul 2023–Jul 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+79.5%
SPY
+76.5%
Annualised alpha
+0.7%
Max drawdown
−13.2%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
47 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
38.0%
−2.4 pts
Top 5
70.7%
+1.4 pts
Top 10
84.1%
+0.0 pts
HHI
1,775
Moderately concentrated−127
Portfolio Trend
25 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Unclassified | 45.5% | $52,077,727 |
| Healthcare | 18.7% | $21,446,323 |
| Energy | 11.0% | $12,594,214 |
| Communication Services | 8.3% | $9,537,849 |
| Real Estate | 5.3% | $6,036,015 |
| Financial Services | 3.8% | $4,395,936 |
| Technology | 2.0% | $2,313,366 |
| Consumer Defensive | 1.8% | $2,074,596 |
| Consumer Cyclical | 1.4% | $1,550,390 |
| Industrials | 1.0% | $1,192,746 |
| Utilities | 0.6% | $704,587 |
| Basic Materials | 0.5% | $553,528 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
7 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| MRK | Merck & Co., Inc. | +10,674 | 66,477 | $7,996,518 | |
| AMGN | Amgen Inc | +1,628 | 13,992 | $4,923,085 | |
| IRM | Iron Mountain Inc | +201 | 3,304 | $337,470 | |
| AMD | Advanced Micro Devices Inc | +118 | 1,136 | $231,096 | |
| GE | General Electric Co | +58 | 1,803 | $511,637 | |
| MSFT | Microsoft Corp | +26 | 876 | $324,268 | |
| LLY | ELI LILLY & Co | +14 | 1,409 | $1,295,955 | |
| No positions match the current search. | |||||
Trimmed
Positions the filer reduced
13 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| GLDM | World Gold Trust | −43,640 | 469,354 | $43,504,422 | |
| DOW | Dow Inc. | −25,078 | 13,290 | $553,528 | |
| VZ | Verizon Communications Inc | −13,994 | 189,997 | $9,537,849 | |
| IAU | Ishares Gold Trust | −11,074 | 91,176 | $8,038,076 | |
| IBM | International Business Machines Corp | −5,443 | 4,179 | $1,012,947 | |
| XOM | Exxon Mobil Corp | −1,307 | 4,539 | $770,086 | |
| JNJ | Johnson & Johnson | −1,195 | 22,137 | $5,411,168 | |
| CVX | Chevron Corp | −405 | 57,149 | $11,824,128 | |
| CCI | Crown Castle Inc. | −358 | 3,614 | $293,854 | |
| AMT | American Tower Corp /Ma/ | −351 | 3,248 | $560,539 | |
| SPY | Spdr S&P 500 ETF Trust | −44 | 823 | $535,229 | |
| AAPL | Apple Inc. | −18 | 2,010 | $510,117 | |
| KO | Coca Cola Co | −15 | 7,143 | $543,225 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarter
5 positions
47 positions ·
$114,477,277 total
· as of Mar 31, 2026
All sectors
Basic Materials
Communication Services
Consumer Cyclical
Consumer Defensive
Energy
Financial Services
Healthcare
Industrials
Real Estate
Technology
Utilities
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| GLDM |
World Gold Trust
|
Reduced | 469,354 | $43,504,422 | 38.00% | |
| CVX |
Chevron Corp
Energy
|
Reduced | 57,149 | $11,824,128 | 10.33% | |
| VZ |
Verizon Communications Inc
Communication Services
|
Reduced | 189,997 | $9,537,849 | 8.33% | |
| IAU |
Ishares Gold Trust
|
Reduced | 91,176 | $8,038,076 | 7.02% | |
| MRK |
Merck & Co., Inc.
Healthcare
|
Added | 66,477 | $7,996,518 | 6.99% | |
| JNJ |
Johnson & Johnson
Healthcare
|
Reduced | 22,137 | $5,411,168 | 4.73% | |
| AMGN |
Amgen Inc
Healthcare
|
Added | 13,992 | $4,923,085 | 4.30% | |
| BRK-B |
Berkshire Hathaway Inc
Financial Services
|
Held | 5,677 | $2,720,418 | 2.38% | |
| LLY |
ELI LILLY & Co
Healthcare
|
Added | 1,409 | $1,295,955 | 1.13% | |
| UNH |
Unitedhealth Group Inc
Healthcare
|
NEW | 3,802 | $1,028,783 | 0.90% | |
| IBM |
International Business Machines Corp
Technology
|
Reduced | 4,179 | $1,012,947 | 0.88% | |
| PLD |
Prologis, Inc.
Real Estate
|
Held | 7,070 | $934,512 | 0.82% | |
| EQIX |
Equinix Inc
Real Estate
|
Held | 929 | $910,642 | 0.80% | |
| XOM |
Exxon Mobil Corp
Energy
|
Reduced | 4,539 | $770,086 | 0.67% | |
| NEE |
Nextera Energy Inc
Utilities
|
Held | 7,586 | $704,587 | 0.62% | |
| HD |
Home Depot, Inc.
Consumer Cyclical
|
Held | 2,140 | $703,824 | 0.61% | |
| JPM |
Jpmorgan Chase & Co
Financial Services
|
Held | 2,302 | $677,156 | 0.59% | |
| IBKR |
Interactive Brokers Group, Inc.
Financial Services
|
NEW | 10,000 | $670,700 | 0.59% | |
| PEP |
Pepsico Inc
Consumer Defensive
|
Held | 3,951 | $613,550 | 0.54% | |
| AMT |
American Tower Corp /Ma/
Real Estate
|
Reduced | 3,248 | $560,539 | 0.49% | |
| DOW |
Dow Inc.
Basic Materials
|
Reduced | 13,290 | $553,528 | 0.48% | |
| DLR |
Digital Realty Trust, Inc.
Real Estate
|
Held | 3,030 | $546,036 | 0.48% | |
| KO |
Coca Cola Co
Consumer Defensive
|
Reduced | 7,143 | $543,225 | 0.47% | |
| CI |
Cigna Group
Healthcare
|
Held | 2,033 | $542,302 | 0.47% | |
| SPY |
Spdr S&P 500 ETF Trust
|
Reduced | 823 | $535,229 | 0.47% | |
| NKE |
NIKE, Inc.
Consumer Cyclical
|
NEW | 9,758 | $515,417 | 0.45% | |
| GE |
General Electric Co
Industrials
|
Added | 1,803 | $511,637 | 0.45% | |
| AAPL |
Apple Inc.
Technology
|
Reduced | 2,010 | $510,117 | 0.45% | |
| PG |
PROCTER & GAMBLE Co
Consumer Defensive
|
Held | 3,522 | $508,717 | 0.44% | |
| SPG |
Simon Property Group Inc.
Real Estate
|
Held | 2,656 | $495,423 | 0.43% | |
| O |
Realty Income Corp
Real Estate
|
Held | 7,526 | $460,440 | 0.40% | |
| PSA |
Public Storage
Real Estate
|
Held | 1,626 | $440,450 | 0.38% | |
| JCI |
Johnson Controls International plc
Industrials
|
Held | 3,130 | $409,873 | 0.36% | |
| CL |
Colgate Palmolive Co
Consumer Defensive
|
Held | 4,800 | $409,104 | 0.36% | |
| IRM |
Iron Mountain Inc
Real Estate
|
Added | 3,304 | $337,470 | 0.29% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
NEW | 1,590 | $331,149 | 0.29% | |
| HIG |
Hartford Insurance Group, Inc.
Financial Services
|
Held | 2,423 | $327,662 | 0.29% | |
| MSFT |
Microsoft Corp
Technology
|
Added | 876 | $324,268 | 0.28% | |
| VICI |
Vici Properties Inc.
Real Estate
|
Held | 11,092 | $303,033 | 0.26% | |
| EXR |
Extra Space Storage Inc.
Real Estate
|
Held | 2,249 | $294,911 | 0.26% | |
| CCI |
Crown Castle Inc.
Real Estate
|
Reduced | 3,614 | $293,854 | 0.26% | |
| HON |
Honeywell International Inc
Industrials
|
NEW | 1,200 | $271,236 | 0.24% | |
| MDT |
Medtronic plc
Healthcare
|
Held | 2,868 | $248,512 | 0.22% | |
| AVB |
Avalonbay Communities Inc
Real Estate
|
Held | 1,481 | $241,921 | 0.21% | |
| TEL |
TE Connectivity plc
Technology
|
Held | 1,124 | $234,938 | 0.21% | |
| AMD |
Advanced Micro Devices Inc
Technology
|
Added | 1,136 | $231,096 | 0.20% | |
| EQR |
Equity Residential
Real Estate
|
Held | 3,665 | $216,784 | 0.19% |