John G Ullman & Associates Inc reported 107 positions worth $530.10M for the quarter ended Sep 30, 2026, down 4.5% on the prior quarter. It opened 6 new positions, added to 24, trimmed 56 and exited 3. Its largest holding is Taiwan Semiconductor Manufacturing Co Ltd at 8.9% 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 |
|---|---|---|---|---|
| QCOM Qualcomm Inc | +20.6K | – | $3.80M | 0.717% |
| HAL Halliburton Co | +65.9K | +53.6% | $2.10M | 1.13% |
| AZTA Azenta, Inc. | +51.4K | +50.2% | $1.79M | 1.01% |
| ADSK Autodesk, Inc. | +8,350 | – | $1.75M | 0.329% |
| APTV Aptiv PLC | +37.1K | +258.2% | $1.59M | 0.417% |
| EXLS ExlService Holdings, Inc. | +44.0K | +84.9% | $1.51M | 0.621% |
| LNN Lindsay Corp | +13.0K | +13.6% | $1.46M | 2.3% |
| DIS Walt Disney Co | +12.8K | +13.7% | $1.34M | 2.09% |
| BKNG Booking Holdings Inc. | +7,440 | +116.3% | $1.21M | 0.425% |
| LOW Lowes Companies Inc | +5,936 | +32.7% | $1.09M | 0.837% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| TSM Taiwan Semiconductor Manufacturing Co Ltd | -5,008 | -4.6% | $2.28M | 8.85% |
| TMP Tompkins Financial Corp | -11.8K | -17.4% | $1.14M | 1.02% |
| MU Micron Technology Inc | -835 | -29.5% | $889.37K | 0.402% |
| EMR Emerson Electric Co | -5,028 | -2.0% | $779.84K | 7.12% |
| OGE Oge Energy Corp. | -12.4K | -2.7% | $562.21K | 3.83% |
| XOM ExxonMobil Holdings Corp | -2,840 | -2.7% | $462.21K | 3.12% |
| CIEN Ciena Corp | -1,275 | -10.9% | $448.57K | 0.694% |
| GLW Corning Inc | -2,570 | -1.1% | $395.16K | 6.71% |
| SNOW Snowflake Inc. | -1,100 | -6.0% | $373.52K | 1.11% |
| KDP Keurig Dr Pepper Inc. | -11.3K | -7.0% | $342.84K | 0.866% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 102.9K | $46.92M | 8.85% | -5,008 | -4.6% | Reduced | 0% |
| 2 | EMR Emerson Electric Co | Industrials | 243.3K | $37.73M | 7.12% | -5,028 | -2.0% | Reduced | 0.04% |
| 3 | GLW Corning Inc | Basic Materials | 231.3K | $35.56M | 6.71% | -2,570 | -1.1% | Reduced | 0.03% |
| 4 | OGE Oge Energy Corp. | Utilities | 446.6K | $20.28M | 3.83% | -12.4K | -2.7% | Reduced | 0.22% |
| 5 | XOM ExxonMobil Holdings Corp | Energy | 101.6K | $16.54M | 3.12% | -2,840 | -2.7% | Reduced | 0% |
| 6 | AMZN Amazon Com Inc | Consumer Discretionary | 62.1K | $15.48M | 2.92% | -1,086 | -1.7% | Reduced | 0% |
| 7 | MSFT Microsoft Corp | Technology | 29.0K | $14.89M | 2.81% | -44 | -0.2% | Reduced | 0% |
| 8 | BE Bloom Energy Corp | Industrials | 48.4K | $13.42M | 2.53% | -915 | -1.9% | Reduced | 0.02% |
| 9 | SLB Slb Limited | Energy | 262.8K | $12.80M | 2.41% | -3,309 | -1.2% | Reduced | 0.02% |
| 10 | LNN Lindsay Corp | Industrials | 108.8K | $12.18M | 2.3% | +13.0K | +13.6% | Added | 1.05% |
| 11 | DIS Walt Disney Co | Communication Services | 105.8K | $11.10M | 2.09% | +12.8K | +13.7% | Added | 0.01% |
| 12 | CACI Caci International Inc | Industrials | 17.4K | $10.59M | 2% | -540 | -3.0% | Reduced | 0.08% |
| 13 | TWLO Twilio Inc | Technology | 32.9K | $9.62M | 1.81% | -875 | -2.6% | Reduced | 0.02% |
| 14 | IBM International Business Machines Corp | Technology | 43.5K | $9.56M | 1.8% | -786 | -1.8% | Reduced | 0% |
| 15 | POR Portland General Electric Co | Utilities | 198.2K | $8.84M | 1.67% | -4,703 | -2.3% | Reduced | 0.17% |
Tip. Select a row to see that position’s full history at John G Ullman & Associates.
As of its Q3 2026 13F filing, John G Ullman & Associates Inc’s five largest positions were Taiwan Semiconductor Manufacturing Co Ltd (TSM) at 8.9%, Emerson Electric Co (EMR) at 7.1%, Corning Inc (GLW) at 6.7%, Oge Energy Corp. (OGE) at 3.8%, ExxonMobil Holdings Corp (XOM) at 3.1% of the reported portfolio.
John G Ullman & Associates Inc reported a 13F portfolio worth $530.10M across 107 positions for Q3 2026. That is down 4.5% from the previous quarter.
Its largest purchases by value were Qualcomm Inc ($3.80M), Halliburton Co ($2.10M), Azenta, Inc. ($1.79M). It opened 6 new positions.
Its largest sales by value were Taiwan Semiconductor Manufacturing Co Ltd ($2.28M), Tompkins Financial Corp ($1.14M), Micron Technology Inc ($889.37K). It exited 3 positions entirely.
From the Form 13F-HR reports John G Ullman & 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.