Armstrong Henry H Associates Inc reported 55 positions worth $1.11B for the quarter ended Sep 30, 2026, up 8.4% on the prior quarter. It opened 1 new position, added to 10, trimmed 21 and exited 4. Its largest holding is Microsoft Corp at 28.6% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| ASML Asml Holding Nv | +1,161 | +13.9% | $2.10M | 1.55% |
| XOM ExxonMobil Holdings Corp | +6,657 | – | $1.08M | 0.098% |
| RBA Rb Global Inc. | +12.3K | +30.1% | $1.00M | 0.39% |
| FAST Fastenal Co | +18.8K | +6.9% | $928.88K | 1.29% |
| MCO Moodys Corp | +1,919 | +1.3% | $871.48K | 5.97% |
| APD Air Products & Chemicals, Inc. | +2,021 | +3.6% | $562.30K | 1.45% |
| DCI DONALDSON Co INC | +2,915 | +18.4% | $253.72K | 0.147% |
| UNP Union Pacific Corp | +893 | +1.3% | $243.01K | 1.7% |
| MA Mastercard Inc | +205 | +1.6% | $113.05K | 0.628% |
| ADSK Autodesk, Inc. | +200 | +4.3% | $41.80K | 0.092% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| UBER Uber Technologies, Inc | -25.5K | -100.0% | $1.84M | Exited |
| MSFT Microsoft Corp | -2,998 | -0.5% | $1.54M | 28.59% |
| BRK-A Berkshire Hathaway Inc | -2 | -0.7% | $1.49M | 18.02% |
| BRK-B Berkshire Hathaway Inc | -2,616 | -0.7% | $1.30M | 16.69% |
| MDT Medtronic plc | -7,835 | -8.3% | $676.08K | 0.671% |
| PG PROCTER & GAMBLE Co | -3,730 | -1.1% | $541.89K | 4.52% |
| KO Coca Cola Co | -4,751 | -3.7% | $408.97K | 0.953% |
| TSLA Tesla, Inc. | -534 | -100.0% | $224.60K | Exited |
| CSCO Cisco Systems, Inc. | -1,897 | -100.0% | $222.76K | Exited |
| STM STMicroelectronics N.V. | -2,950 | -100.0% | $220.93K | Exited |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| XOM ExxonMobil Holdings Corp | +6,657 | $1.08M | 0.098% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MSFT Microsoft Corp | Technology | 619.4K | $317.69M | 28.59% | -2,998 | -0.5% | Reduced | 0.01% |
| 2 | BRK-A Berkshire Hathaway Inc | Financial Services | 268 | $200.20M | 18.02% | -2 | -0.7% | Reduced | 0.05% |
| 3 | BRK-B Berkshire Hathaway Inc | Financial Services | 372.5K | $185.50M | 16.69% | -2,616 | -0.7% | Reduced | 0.03% |
| 4 | JNJ Johnson & Johnson | Healthcare | 322.6K | $85.41M | 7.69% | -237 | -0.1% | Reduced | 0.01% |
| 5 | MCO Moodys Corp | Financial Services | 146.2K | $66.38M | 5.97% | +1,919 | +1.3% | Added | 0.08% |
| 6 | PG PROCTER & GAMBLE Co | Consumer Staples | 346.1K | $50.28M | 4.52% | -3,730 | -1.1% | Reduced | 0.01% |
| 7 | GOOG Alphabet Inc. | Technology | 92.7K | $31.59M | 2.84% | +35 | +0.0% | Added | 0% |
| 8 | UNP Union Pacific Corp | Industrials | 69.6K | $18.94M | 1.7% | +893 | +1.3% | Added | 0.01% |
| 9 | AAPL Apple Inc. | Technology | 56.2K | $18.72M | 1.68% | -448 | -0.8% | Reduced | 0% |
| 10 | ASML Asml Holding Nv | Technology | 9,516 | $17.24M | 1.55% | +1,161 | +13.9% | Added | 0% |
| 11 | APD Air Products & Chemicals, Inc. | Basic Materials | 57.8K | $16.08M | 1.45% | +2,021 | +3.6% | Added | 0.03% |
| 12 | FAST Fastenal Co | Industrials | 288.9K | $14.31M | 1.29% | +18.8K | +6.9% | Added | 0.03% |
| 13 | KO Coca Cola Co | Consumer Staples | 123.0K | $10.59M | 0.953% | -4,751 | -3.7% | Reduced | 0% |
| 14 | GOOGL Alphabet Inc. | Technology | 24.3K | $8.35M | 0.751% | -50 | -0.2% | Reduced | 0% |
| 15 | MDT Medtronic plc | Healthcare | 86.4K | $7.46M | 0.671% | -7,835 | -8.3% | Reduced | 0.01% |
Tip. Select a row to see that position’s full history at Armstrong Henry H Associates.
As of its Q3 2026 13F filing, Armstrong Henry H Associates Inc’s five largest positions were Microsoft Corp (MSFT) at 28.6%, Berkshire Hathaway Inc (BRK-A) at 18.0%, Berkshire Hathaway Inc (BRK-B) at 16.7%, Johnson & Johnson (JNJ) at 7.7%, Moodys Corp (MCO) at 6.0% of the reported portfolio.
Armstrong Henry H Associates Inc reported a 13F portfolio worth $1.11B across 55 positions for Q3 2026. That is up 8.4% from the previous quarter.
Its largest purchases by value were Asml Holding Nv ($2.10M), ExxonMobil Holdings Corp ($1.08M), Rb Global Inc. ($1.00M). It opened 1 new positions.
Its largest sales by value were Uber Technologies, Inc ($1.84M), Microsoft Corp ($1.54M), Berkshire Hathaway Inc ($1.49M). It exited 4 positions entirely.
From the Form 13F-HR reports Armstrong Henry H Associates Inc files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.