Mount Vernon Associates Inc reported 55 positions worth $150.06M for the quarter ended Sep 30, 2026, down 1.7% on the prior quarter. It opened 1 new position, added to 4, trimmed 39 and exited 4. Its largest holding is Apple Inc. at 11.7% 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 |
|---|---|---|---|---|
| SPCX Space Exploration Technologies Corp | +8,550 | – | $1.29M | 0.86% |
| AFRM Affirm Holdings, Inc. | +9,250 | +21.7% | $640.41K | 2.39% |
| NVDA Nvidia Corp | +1,460 | +15.5% | $333.44K | 1.65% |
| CMPS COMPASS Pathways plc | +7,500 | +19.7% | $93.30K | 0.377% |
| TSLA Tesla, Inc. | +100 | +1.8% | $35.47K | 1.36% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| AAPL Apple Inc. | -3,494 | -6.2% | $1.16M | 11.67% |
| MSFT Microsoft Corp | -1,019 | -4.7% | $522.64K | 7.09% |
| GOOG Alphabet Inc. | -1,344 | -3.6% | $457.94K | 8.21% |
| ENPH Enphase Energy, Inc. | -8,280 | -100.0% | $408.00K | Exited |
| JPM Jpmorgan Chase & Co | -1,180 | -5.1% | $390.41K | 4.83% |
| AMZN Amazon Com Inc | -1,476 | -3.6% | $367.74K | 6.49% |
| COST Costco Wholesale Corp | -350 | -3.8% | $318.64K | 5.36% |
| META Meta Platforms, Inc. | -393 | -3.2% | $285.00K | 5.81% |
| WMB Williams Companies, Inc. | -3,583 | -100.0% | $266.00K | Exited |
| IP International Paper Co | -6,850 | -100.0% | $261.00K | Exited |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| SPCX Space Exploration Technologies Corp | +8,550 | $1.29M | 0.86% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AAPL Apple Inc. | Technology | 52.6K | $17.51M | 11.67% | -3,494 | -6.2% | Reduced | 0% |
| 2 | GOOG Alphabet Inc. | Technology | 36.1K | $12.31M | 8.21% | -1,344 | -3.6% | Reduced | 0% |
| 3 | MSFT Microsoft Corp | Technology | 20.7K | $10.64M | 7.09% | -1,019 | -4.7% | Reduced | 0% |
| 4 | AMZN Amazon Com Inc | Consumer Discretionary | 39.1K | $9.74M | 6.49% | -1,476 | -3.6% | Reduced | 0% |
| 5 | META Meta Platforms, Inc. | Technology | 12.0K | $8.72M | 5.81% | -393 | -3.2% | Reduced | 0% |
| 6 | COST Costco Wholesale Corp | Consumer Staples | 8,827 | $8.04M | 5.36% | -350 | -3.8% | Reduced | 0% |
| 7 | JPM Jpmorgan Chase & Co | Financial Services | 21.9K | $7.25M | 4.83% | -1,180 | -5.1% | Reduced | 0% |
| 8 | INTC Intel Corp | Technology | 45.1K | $5.42M | 3.61% | -1,010 | -2.2% | Reduced | 0% |
| 9 | AXP American Express Co | Financial Services | 17.4K | $5.30M | 3.53% | -605 | -3.4% | Reduced | 0% |
| 10 | BAC Bank Of America Corp | Financial Services | 73.1K | $3.98M | 2.65% | -3,300 | -4.3% | Reduced | 0% |
| 11 | CSCO Cisco Systems, Inc. | Technology | 35.6K | $3.83M | 2.55% | -2,100 | -5.6% | Reduced | 0% |
| 12 | AFRM Affirm Holdings, Inc. | Financial Services | 51.8K | $3.59M | 2.39% | +9,250 | +21.7% | Added | 0.02% |
| 13 | GE General Electric Co | Industrials | 10.8K | $3.38M | 2.25% | -572 | -5.0% | Reduced | 0% |
| 14 | SPOT Spotify Technology S.A. | Technology | 6,470 | $3.15M | 2.1% | -20 | -0.3% | Reduced | 0% |
| 15 | DAL Delta Air Lines, Inc. | Industrials | 35.6K | $2.97M | 1.98% | -1,100 | -3.0% | Reduced | 0.01% |
Tip. Select a row to see that position’s full history at Mount Vernon Associates.
As of its Q3 2026 13F filing, Mount Vernon Associates Inc’s five largest positions were Apple Inc. (AAPL) at 11.7%, Alphabet Inc. (GOOG) at 8.2%, Microsoft Corp (MSFT) at 7.1%, Amazon Com Inc (AMZN) at 6.5%, Meta Platforms, Inc. (META) at 5.8% of the reported portfolio.
Mount Vernon Associates Inc reported a 13F portfolio worth $150.06M across 55 positions for Q3 2026. That is down 1.7% from the previous quarter.
Its largest purchases by value were Space Exploration Technologies Corp ($1.29M), Affirm Holdings, Inc. ($640.41K), Nvidia Corp ($333.44K). It opened 1 new positions.
Its largest sales by value were Apple Inc. ($1.16M), Microsoft Corp ($522.64K), Alphabet Inc. ($457.94K). It exited 4 positions entirely.
From the Form 13F-HR reports Mount Vernon 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.